问从asan那里发现内存泄漏？

EN

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==6138==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 1683970 byte(s) in 101 object(s) allocated from:
    #0 0x7f4e1b674808 in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cc:144
    #1 0x7f4e0c7c8e74  (/lib/x86_64-linux-gnu/libnvidia-glcore.so.470.103.01+0xddbe74)

Direct leak of 276667 byte(s) in 62 object(s) allocated from:
    #0 0x7f4e1b674a06 in __interceptor_calloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cc:153
    #1 0x7f4e0c7c92db  (/lib/x86_64-linux-gnu/libnvidia-glcore.so.470.103.01+0xddc2db)

Direct leak of 896 byte(s) in 1 object(s) allocated from:
    #0 0x7f4e1b674c3e in __interceptor_realloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cc:163
    #1 0x7f4e0c7c8582  (/lib/x86_64-linux-gnu/libnvidia-glcore.so.470.103.01+0xddb582)

Indirect leak of 590161 byte(s) in 1281 object(s) allocated from:
    #0 0x7f4e1b674808 in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cc:144
    #1 0x7f4e0c7c8e74  (/lib/x86_64-linux-gnu/libnvidia-glcore.so.470.103.01+0xddbe74)

Indirect leak of 436144 byte(s) in 647 object(s) allocated from:
    #0 0x7f4e1b674a06 in __interceptor_calloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cc:153
    #1 0x7f4e0c7c92db  (/lib/x86_64-linux-gnu/libnvidia-glcore.so.470.103.01+0xddc2db)

Indirect leak of 1040 byte(s) in 7 object(s) allocated from:
    #0 0x7f4e1b674c3e in __interceptor_realloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cc:163
    #1 0x7f4e0c7c8582  (/lib/x86_64-linux-gnu/libnvidia-glcore.so.470.103.01+0xddb582)

SUMMARY: AddressSanitizer: 2988878 byte(s) leaked in 2099 allocation(s).
make: *** [/home/***/ics2021/nemu/scripts/native.mk:29: run] Error 1

  #include <common.h>
  #include <device/map.h>
  
  #define SCREEN_W (MUXDEF(CONFIG_VGA_SIZE_800x600, 800, 400))
  #define SCREEN_H (MUXDEF(CONFIG_VGA_SIZE_800x600, 600, 300))
   
    uint8_t* new_space(int size) {
    uint8_t *p = p_space;
    // page aligned;
    size = (size + (PAGE_SIZE - 1)) & ~PAGE_MASK;
    p_space += size;
    assert(p_space - io_space < IO_SPACE_MAX);
    return p;                                                                 
  }

  static uint32_t screen_width() {
    return MUXDEF(CONFIG_TARGET_AM, io_read(AM_GPU_CONFIG).width, SCREEN_W);                                                                            
  }
 
 static uint32_t screen_height() {
    return MUXDEF(CONFIG_TARGET_AM, io_read(AM_GPU_CONFIG).height, SCREEN_H);
  }
  
  static uint32_t screen_size() {
    return screen_width() * screen_height() * sizeof(uint32_t);
  }
  
  static void *vmem = NULL;
  static uint32_t *vgactl_port_base = NULL;
  
  #ifdef CONFIG_VGA_SHOW_SCREEN
  #ifndef CONFIG_TARGET_AM
  #include <SDL2/SDL.h>
  
  static SDL_Renderer *renderer = NULL;
  static SDL_Texture *texture = NULL;
  
  static void init_screen() {
    SDL_Window *window = NULL;
    char title[128];
    sprintf(title, "%s-NEMU", str(__GUEST_ISA__));
    SDL_Init(SDL_INIT_VIDEO);
    SDL_CreateWindowAndRenderer(
        SCREEN_W * (MUXDEF(CONFIG_VGA_SIZE_400x300, 2, 1)),
        SCREEN_H * (MUXDEF(CONFIG_VGA_SIZE_400x300, 2, 1)),
        0, &window, &renderer);
    SDL_SetWindowTitle(window, title);
    texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_ARGB8888,
        SDL_TEXTUREACCESS_STATIC, SCREEN_W, SCREEN_H);
  }
  
  static inline void update_screen() {
    SDL_UpdateTexture(texture, NULL, vmem, SCREEN_W * sizeof(uint32_t));
    SDL_RenderClear(renderer);
    SDL_RenderCopy(renderer, texture, NULL, NULL);
    SDL_RenderPresent(renderer);
  }
  #else
  static void init_screen() {}
  
  static inline void update_screen() {
    io_write(AM_GPU_FBDRAW, 0, 0, vmem, screen_width(), screen_height(), true);
  }
  #endif
  #endif
  
  void vga_update_screen() {
    // TODO: call `update_screen()` when the sync register is non-zero,
    // then zero out the sync register
  }
  
  void init_vga() {
    vgactl_port_base = (uint32_t *)new_space(8);
    vgactl_port_base[0] = (screen_width() << 16) | screen_height();
  #ifdef CONFIG_HAS_PORT_IO
    add_pio_map ("vgactl", CONFIG_VGA_CTL_PORT, vgactl_port_base, 8, NULL);
  #else
    add_mmio_map("vgactl", CONFIG_VGA_CTL_MMIO, vgactl_port_base, 8, NULL);
  #endif
  
    vmem = new_space(screen_size());
    add_mmio_map("vmem", CONFIG_FB_ADDR, vmem, screen_size(), NULL);
    IFDEF(CONFIG_VGA_SHOW_SCREEN, init_screen());
    IFDEF(CONFIG_VGA_SHOW_SCREEN, memset(vmem, 0, screen_size()));
  }