From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 08001208A7; Sun, 1 Sep 2024 16:58:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725209880; cv=none; b=DVQUes8Nh4d9CPx/DlU8fMgc/yxIz3f3PpNBxvUV5BeB3mf4hdoElvq9eRoV6MC0Pp/kNSsq//WWfCGhxRA8Kxcr5ofDAm+UUyJrf07K1RZtKzhwlPj4xg7J3EAIO3+Lm2zh4hML0B/JggJj8L3GBvrXCyewyrq/BiRA6ZBAImE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725209880; c=relaxed/simple; bh=qVdatOM3tSyW2jUqzbxOivVb5KPa5UFvHSULSKkQA2o=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NZ7NcuU0QGEwds/05lQYb0EyV0nwnPRt4obv0ud9MEmKOOpzFO25ghqh/cXC4tuHSgVD76q8tLLlM2WvrzSbI+1At3bBDvqw8VPgP9RY0+1wkaZkRbIHUi7dq5ZC8jlRkWlj0Ll4Zxy9bGK28RhD+OQzsCg1JWST3V5UNdU8fi0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=juj01Aoy; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="juj01Aoy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6F7D8C4CEC3; Sun, 1 Sep 2024 16:57:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1725209879; bh=qVdatOM3tSyW2jUqzbxOivVb5KPa5UFvHSULSKkQA2o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=juj01AoyiRRQIgggTOJU8yVgdlqtC0/xlxDFGCxxs1U56/8816spgiwBJNSrjdpHe 2Hfo0i4pvv9iNmAo0eMRwzKBTb/jC39mvuOQdFVvf6XAdh6TaRMkgPFGGetd2ZJcTm YMl4hJZuNlRcfeEpqubuVWboU1GMfNzG8+NcAZd8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Bas Nieuwenhuizen , Alex Deucher Subject: [PATCH 5.15 021/215] drm/amdgpu: Actually check flags for all context ops. Date: Sun, 1 Sep 2024 18:15:33 +0200 Message-ID: <20240901160824.062746003@linuxfoundation.org> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240901160823.230213148@linuxfoundation.org> References: <20240901160823.230213148@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Bas Nieuwenhuizen commit 0573a1e2ea7e35bff08944a40f1adf2bb35cea61 upstream. Missing validation ... Checked libdrm and it clears all the structs, so we should be safe to just check everything. Signed-off-by: Bas Nieuwenhuizen Signed-off-by: Alex Deucher (cherry picked from commit c6b86421f1f9ddf9d706f2453159813ee39d0cf9) Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | 8 ++++++++ 1 file changed, 8 insertions(+) --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c @@ -413,16 +413,24 @@ int amdgpu_ctx_ioctl(struct drm_device * switch (args->in.op) { case AMDGPU_CTX_OP_ALLOC_CTX: + if (args->in.flags) + return -EINVAL; r = amdgpu_ctx_alloc(adev, fpriv, filp, priority, &id); args->out.alloc.ctx_id = id; break; case AMDGPU_CTX_OP_FREE_CTX: + if (args->in.flags) + return -EINVAL; r = amdgpu_ctx_free(fpriv, id); break; case AMDGPU_CTX_OP_QUERY_STATE: + if (args->in.flags) + return -EINVAL; r = amdgpu_ctx_query(adev, fpriv, id, &args->out); break; case AMDGPU_CTX_OP_QUERY_STATE2: + if (args->in.flags) + return -EINVAL; r = amdgpu_ctx_query2(adev, fpriv, id, &args->out); break; default: