4.19-stable review patch. If anyone has any objections, please let me know.
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From: Bas Nieuwenhuizen bas@basnieuwenhuizen.nl
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 bas@basnieuwenhuizen.nl Signed-off-by: Alex Deucher alexander.deucher@amd.com (cherry picked from commit c6b86421f1f9ddf9d706f2453159813ee39d0cf9) Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- 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 @@ -288,16 +288,24 @@ 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: