From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=205.220.168.131 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793640008; b=qanTvYNkjwJhucxEr0tRw/KsPk2qjVf7J4aQ+ykKY0HYvLA08RjtLggGwKuFw54RtWk6 2co9moDF4KO8JIK5drTvWD2Ell8T0zKfsbij0/6rh9X13gzZaD1tM0uYtqBOBgXbtWRDz aLAyVhAYo/MDhr5YTyRzKtwFinCsXjDBiGY9W6pi9OibR7P53iI6npr9D16wE5mTWyV2W biAIdbgKiZHo9HRfzDe5f2kmMjTL5/jSZpafNsCV/xrsPSCwozS3jQfwYLOF0mYLRKALp K7swfd+4++iSB52tivttXjs2V+y7YwdXofM4s5PHYiu6sJTcE1XkQwowrXqdq0l7ndw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793640008; h=DMARC-Filter:Received:DKIM-Signature:Received:Received: DKIM-Signature:X-Google-DKIM-Signature:X-Forwarded-Encrypted: X-Gm-Message-State:X-Gm-Gg:X-Received:X-Received:Received:From:To:Cc: Subject:Date:Message-ID:X-Mailer:MIME-Version: Content-Transfer-Encoding:X-Proofpoint-ORIG-GUID:X-Authority-Analysis: X-Proofpoint-Spam-Details-Enc:X-Proofpoint-GUID: X-Proofpoint-Spam-Info:X-Proofpoint-Virus-Version: X-Proofpoint-Spam-Details; bh=wbhUry8uTNTmLHMoCjcua8VR18xywygNgfABJXvuDxM=; b=5V7Tw9lNoeR3i0FeCK38DM9UfQFUebtYNQQJVuUqulgVg2A6sWsarMh/GwLwlzDq5WYc lNEuOZ5QyiK01WjnsZ6pjYAJRweaHWWPr/xgoe1C1GeC3YAhf4fchHpoCit0S9p9IMa/0 FRj4Ze8jNDauClQ4t0YDREcaQnVFBjd4jaimuLo7v86QvRaPxr5rQgSr+L/ekyZgoDc6v GgmbjH3eiQlfKApYGdrtux5/mbA6W85RYWQMSp2wA5bM3VndZJHGxgdb+Gd//s3wVQzKw 3wLrhDbaI6rr9r9Y4bCOxd1qLrv3weVgLDRL8X8qpMsxeXIqLvqAc1p9jrTgi6fhl9A== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256 header.s=qcppdkim1 header.b=YM1fIXsQ; dkim=pass header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.a=rsa-sha256 header.s=google header.b=KVbBeqJF; arc=none smtp.remote-ip=205.220.168.131 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D81F8606CEC8 for ; Mon, 2 Nov 2026 17:20:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org D81F8606CEC8 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256 header.s=qcppdkim1 header.b=YM1fIXsQ; dkim=pass (2048-bit key, unprotected) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.a=rsa-sha256 header.s=google header.b=KVbBeqJF Received: from pps.filterd (m0279867.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 6A2GYtT61222688 for ; Mon, 2 Nov 2026 17:20:07 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:date:from:message-id:mime-version :subject:to; s=qcppdkim1; bh=wbhUry8uTNTmLHMoCjcua8VR18xywygNgfA BJXvuDxM=; b=YM1fIXsQXx82XBg2AG+dABRQhyW/baFIWRBVH7e33pslxCDlcuW LYx02RknLm2L2PPMYjc4RCsGyvFLAAUGnmrJEunmOVFcCpAiLQKHVnOsJJYZBVQx Nj1uIdNC/HS20LrTmGXstZXGVIFPbmkOC8o6NzUnphE4vB6gyyIIt/rIc1avhtyB F8V8VlvKA5JAuMrKInpR6eiRKmCUv/1FpBF+QMmkjMrRv8A7PCmtbjadzmSNQn3T T6heZBzihkBwklXC26QU8fvbgn/pT/BVPZZpmAYOh4nitbCKIJJmzgzQJIe+NC3A DKtxe7loiY8QBVs+7MAuRB7qsA9GGQ6wSBg== Received: from mail-pf1-f199.google.com (mail-pf1-f199.google.com [209.85.210.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4hpmf1tvy1-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Mon, 02 Nov 2026 17:20:07 +0000 (GMT) Received: by mail-pf1-f199.google.com with SMTP id d2e1a72fcca58-8a065d0e9deso3047161b3a.0 for ; Mon, 02 Nov 2026 09:20:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1793640006; x=1794244806; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to:content-type; bh=wbhUry8uTNTmLHMoCjcua8VR18xywygNgfABJXvuDxM=; b=KVbBeqJFi9WYqCQ1ogQ4erGP24DDubeCp3941Tjfzq+HnTOOF0VbRt5R/nxjrSMSX7 KSJPOvMrGweRu4oz7FdLOu073Td53mXmwXidQYgI+Yyu3KlxzIfKwLMlNEaFU2bTP1qq BIqyOC5VhSls/sSTH9PkY9WGr8MXFBsQCumFk3bhADNLGc2nOW9agt6Wx1tG6ZJr50IE KSet3/AQTzAl51XAAMOBZpo3azn2x5hn4O7ULWBwG3VwM41iWEmi6089URPVJiehfNBI zd1AlyYfsEBf9Rfyf9CK9Mf03F9MZlcwGpswlRB0jUnpijZsRKc3enMObj96UDzzvgTG YFYg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1793640006; x=1794244806; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=wbhUry8uTNTmLHMoCjcua8VR18xywygNgfABJXvuDxM=; b=LgcwJqrTtwwvJJRK9brP1ojDG220518YVj0OgmG3o8CW0IHlsTKbcydnHtq1RFFAhb X7nfDbVuasBIGc9JAM1WrbuEQRsj1pPw86P3TOM9pso++l5iDQ2nCJ0A3OpmWySm2sw8 dHS5h3gMgOf1lHp1Nl68ApO2w61HWiYgr59z882OCIvfht20CSnrzSyqFp9Xb1db+Nzu EQxQcVg3F2qJOOG6UhXVF7ba85O4cph2UjBV74alvqlDF5mzo06F5JW4dF2t/3Bh4Hn2 Dm9bb/feonaUKYlYsLiGbKCzBOOWvzejfvvLT8Zq1OoCub5myCnOKHqmO1rVyGiiY1KP jyeg== X-Forwarded-Encrypted: i=1; AKwUvBzp+qzoRBEygIYqcQhJ5VDxqi8z1dxnw5SER4JID1m87x67d8O23pwSveBegTRZ3/ZkZ/WeqEJ99KvyOZM=@vger.kernel.org X-Gm-Message-State: APuU4Z+bsvPtrUmPZ6JXkab5rygejgNWKTo5+8V9hsB4BwuO0W31swQO M3EbAF9pyNL18AIydAvc8pAQjXY6CtTz1jMcsoQupKKwQyddMFygxECwRxXuDlj6vg7KTxwcDQp IMWpWitQEgVDZldAjIVe3UvGTilk4kQ6eSdlP+nKxyDK4fRLp/KFXOvMyAUBXy0fW1GA= X-Gm-Gg: AYBFou0ToJFiziupyn838u22TdMdsEZKGTuhAUYZVXYWZI22CXd+TRNhya8mQWDEQ88 9sGCRk21eqacVGjRGXggfgLDvHgFFCEMuD3+g9gCeKKdGOFQiXcU0gXLy6kZ1uypzxGqxenqPAr GX9tAlVPYKbyRIyttc1q+tGjILcb43JoACcPtOS95b6t4eP+IIfKPluqwSNz4ct5bzHtU+IRk8k 6vw3eyyFDQTWnW70jihBWzjC6dgseXobtNsgVmIjzjRnDjc//sv8JfKaqu/VP2s+zqi+MBomdAI z1TDWGNNio/BZnEaclw30YyK6vLi/jjoxKAn2rbhFhbjRhyRkZrGWnW+wNIMiLxXUqdtxKrd/Hy 5gTqRpQt/Mrd+KWHY6v8Yj8G0pSIxrGIufRFYkZOe8VwjkaOSTzm1lqfvK4xA23bbURZoaYwWhq Dls5vL0kQWckbDpdkQd6YpLw== X-Received: by 2002:a05:6a00:b50:b0:89f:3447:2dd9 with SMTP id d2e1a72fcca58-8a8324b1a38mr8158933b3a.29.1793640006302; Mon, 02 Nov 2026 09:20:06 -0800 (PST) X-Received: by 2002:a05:6a00:b50:b0:89f:3447:2dd9 with SMTP id d2e1a72fcca58-8a8324b1a38mr8158913b3a.29.1793640005686; Mon, 02 Nov 2026 09:20:05 -0800 (PST) Received: from localhost (c-67-168-198-145.hsd1.or.comcast.net. [67.168.198.145]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8aada9aab57sm2209733b3a.46.2026.11.02.09.20.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Nov 2026 09:20:05 -0800 (PST) From: Rob Clark To: dri-devel@lists.freedesktop.org Cc: linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, Rob Clark , Abhinav Kumar , David Airlie , Dmitry Baryshkov , Jessica Zhang , linux-kernel@vger.kernel.org (open list), Marijn Suijten , Sean Paul , Simona Vetter Subject: [PATCH v3 0/4] drm/msm/gem: A couple VM_BIND fixes Date: Mon, 2 Nov 2026 09:19:56 -0800 Message-ID: <20261102172001.508440-1-robin.clark@oss.qualcomm.com> X-Mailer: git-send-email 2.56.0 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 X-Proofpoint-ORIG-GUID: _K5QXONTz67Drp9blhoQGSPHnhDAUJqf X-Authority-Analysis: v=2.4 cv=bNaDs/+Z c=1 sm=1 tr=0 ts=6ae8c647 cx=c_pps a=WW5sKcV1LcKqjgzy2JUPuA==:117 a=6Rn/7xRx7Ub4NEhlm8k1cw==:17 a=zJRp6_cAMcgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=vDWxNTotJWpNCD247a0A:9 a=OpyuDcXvxspvyRM73sMx:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTAyMDA2OSBTYWx0ZWRfX94yd0QjR0ZWw PAJGAAL7klzNarOhkcbV+szj4RgnTIqsgjVdVvQEry0lOZNpe3hJ4Nv3avyaDRezZ9RG+X57v1C F3+J8JSOl9B6lYR59pVAOGiAp1wOdVNA4QlP3liD1Ag23sf3OwmmoiMR4+0f6ZNCTjmXcYqEsbd hBaQVBzNUWVXFlSGIW4d2JRdMJE0l6xLRg8OVZLJjToEUy3iNlobqXq9Uu6pOrXZUxeSEV8sB9+ sEezLnHMQFkOc++//YykPrpc7+WwhGSFY5aDVY35X/cl9DImjLe+oIMeUogMV+XKkqCNZd9US18 GH0dWsNbJPZyLncTCkziZufuLTLni+h9h0H6EP6kJUrP+NqCAGnAsgp3EFAgL/w/HA7C7VPFTK0 W1Yb9AYSC8v3iJQw0vSeqz7dCU1KIKbXUH84/G5E+tJmlkiAL+KZCPmZObgz0G40K+Wyka/iltE 6kwPDHqvyzmGW4IrKtA== X-Proofpoint-GUID: _K5QXONTz67Drp9blhoQGSPHnhDAUJqf X-Proofpoint-Spam-Info: AW1haW4tMjYxMTAyMDA2OSBTYWx0ZWRfX1bSnLO2wSA+s 8aB/mI3CoXjHFrzncbqHlEOe10HUKpWChCVRN7NPqg8Z4aPWed3BnTMbHGm+yd63q+bjR9dJLrz ouZu0oewy/UoenaiNTFn6CEVOb+rihM= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-11-02_04,2026-11-02_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 bulkscore=0 spamscore=0 lowpriorityscore=0 phishscore=0 priorityscore=1501 adultscore=0 suspectscore=0 clxscore=1015 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610300000 definitions=main-2611020069 Fix possible overflow in range check, and disallow passing BOs table to GEM_SUBMIT for VM_BIND contexts. v3: - Also disallow range==0 - Add patch to clear stale nr_ops in lookup_ops error path - Link to v2: https://lore.kernel.org/all/20261102161002.497152-1-robin.clark@oss.qualcomm.com/ v2: - Also check that range/obj_offset are not greater than SIZE_MAX. It doesn't matter currently, but would if an armv7 system ever added support for per-process pgtables and VM_BIND. - Add patch to fix handle-dereference in idr_find() error path - Link to v1: https://lore.kernel.org/all/20261101174911.25184-1-robin.clark@oss.qualcomm.com/ Rob Clark (4): drm/msm/gem: Fix VM_BIND range check drm/msm/gem: Disallow nr_bos for VM_BIND contexts drm/msm/gem: Decrement loop idx if handle lookup fails drm/msm/gem: Clear nr_ops in lookup_ops() failure path drivers/gpu/drm/msm/msm_gem_submit.c | 5 ++++- drivers/gpu/drm/msm/msm_gem_vma.c | 11 +++++++---- 2 files changed, 11 insertions(+), 5 deletions(-) -- 2.56.0