From 158bfbc72c5d7675039df540b120ccdd37bca5f0 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Wed, 26 Feb 2025 16:31:57 -0500 Subject: [PATCH 3123/5403] drm/amdgpu: validate user queue parameters Make sure these are set properly to ensure compatibility if we ever update the IOCTL interface. Reviewed-by: Prike Liang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c index a78a3728f6b8..a02614cbda36 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c @@ -380,12 +380,26 @@ int amdgpu_userq_ioctl(struct drm_device *dev, void *data, switch (args->in.op) { case AMDGPU_USERQ_OP_CREATE: + if (args->in._pad) + return -EINVAL; r = amdgpu_userqueue_create(filp, args); if (r) DRM_ERROR("Failed to create usermode queue\n"); break; case AMDGPU_USERQ_OP_FREE: + if (args->in.ip_type || + args->in.doorbell_handle || + args->in.doorbell_offset || + args->in._pad || + args->in.queue_va || + args->in.queue_size || + args->in.rptr_va || + args->in.wptr_va || + args->in.wptr_va || + args->in.mqd || + args->in.mqd_size) + return -EINVAL; r = amdgpu_userqueue_destroy(filp, args->in.queue_id); if (r) DRM_ERROR("Failed to destroy usermode queue\n"); -- 2.54.0