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92 lines
1.9 KiB
92 lines
1.9 KiB
/*
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* Copyright 2021 Google LLC
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* SPDX-License-Identifier: MIT
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*/
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include "util/macros.h"
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#include "virglrenderer.h"
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#include "virglrenderer_hw.h"
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int
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LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
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struct fuzz_renderer {
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bool initialized;
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};
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static void
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fuzz_atexit_callback(void)
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{
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virgl_renderer_cleanup(NULL);
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}
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static void
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fuzz_debug_callback(UNUSED const char *fmt, UNUSED va_list ap)
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{
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/* no logging */
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}
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static struct fuzz_renderer *
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fuzz_renderer_get(void)
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{
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static struct fuzz_renderer renderer;
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if (renderer.initialized)
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return &renderer;
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int ret =
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virgl_renderer_init(NULL, VIRGL_RENDERER_VENUS | VIRGL_RENDERER_NO_VIRGL, NULL);
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if (ret)
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abort();
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virgl_set_debug_callback(fuzz_debug_callback);
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atexit(fuzz_atexit_callback);
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renderer.initialized = true;
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return &renderer;
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}
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static uint32_t
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fuzz_context_create(UNUSED struct fuzz_renderer *renderer)
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{
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const uint32_t ctx_id = 1;
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const char name[] = "virgl_venus_fuzzer";
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int ret = virgl_renderer_context_create_with_flags(ctx_id, VIRGL_RENDERER_CAPSET_VENUS,
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sizeof(name), name);
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if (ret)
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abort();
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return ctx_id;
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}
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static void
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fuzz_context_destroy(UNUSED struct fuzz_renderer *renderer, uint32_t ctx_id)
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{
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virgl_renderer_context_destroy(ctx_id);
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}
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static void
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fuzz_context_submit(UNUSED struct fuzz_renderer *renderer,
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uint32_t ctx_id,
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const uint8_t *data,
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size_t size)
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{
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virgl_renderer_submit_cmd((void *)data, ctx_id, size / 4);
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}
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int
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LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
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{
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struct fuzz_renderer *renderer = fuzz_renderer_get();
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const uint32_t ctx_id = fuzz_context_create(renderer);
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fuzz_context_submit(renderer, ctx_id, data, size);
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fuzz_context_destroy(renderer, ctx_id);
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return 0;
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}
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