tests: Add test to trigger transfer IOV overflow

Related #138

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Acked-by: Emil Velikov <emil.velikov@collabora.com>
macos/master
Gert Wollny 5 years ago
parent da53f11312
commit 9c280a2865
  1. 42
      tests/test_fuzzer_formats.c

@ -574,6 +574,46 @@ static void test_format_is_has_alpha_nullptr_deref_trigger_legal_resource()
virgl_renderer_submit_cmd((void *) cmd, ctx_id, VIRGL_OBJ_SAMPLER_VIEW_SIZE + 1);
}
static void test_heap_overflow_vrend_renderer_transfer_write_iov()
{
struct virgl_renderer_resource_create_args args;
args.handle = 4;
args.target = 0;
args.format = 4;
args.bind = 131072;
args.width = 0;
args.height = 1;
args.depth = 1;
args.array_size = 0;
args.last_level = 0;
args.nr_samples = 0;
args.flags = 0;
virgl_renderer_resource_create(&args, NULL, 0);
virgl_renderer_ctx_attach_resource(ctx_id, args.handle);
char data[16];
memset(data, 'A', 16);
uint32_t cmd[11 + 4 +1];
int i = 0;
cmd[i++] = (11+4) << 16 | 0 << 8 | VIRGL_CCMD_RESOURCE_INLINE_WRITE;
cmd[i++] = 4; // handle
cmd[i++] = 0; // level
cmd[i++] = 0; // usage
cmd[i++] = 0; // stride
cmd[i++] = 0; // layer_stride
cmd[i++] = 0; // x
cmd[i++] = 0; // y
cmd[i++] = 0; // z
cmd[i++] = 0x80000000; // w
cmd[i++] = 0; // h
cmd[i++] = 0; // d
memcpy(&cmd[i], data, 16);
virgl_renderer_submit_cmd((void *) cmd, ctx_id, 11 + 4 + 1);
}
int main()
{
initialize_environment();
@ -589,6 +629,8 @@ int main()
test_format_is_has_alpha_nullptr_deref_trigger_original();
test_format_is_has_alpha_nullptr_deref_trigger_legal_resource();
test_heap_overflow_vrend_renderer_transfer_write_iov();
virgl_renderer_context_destroy(ctx_id);
virgl_renderer_cleanup(&cookie);
virgl_egl_destroy(test_egl);

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