Potential string overflow in stbi_parse_png_file function

[arch-btw]

There's a warning in the stbi__parse_png_file function while compiling clip.cpp in examples/llava/clip.cpp.

Here is the output:

In file included from examples/llava/clip.cpp:20:
common/stb_image.h: In function ‘int stbi__parse_png_file(stbi__png*, int, int)’:
common/stb_image.h:5450:31: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
 5450 |                         tc[k] = (stbi_uc)(stbi__get16be(s) & 255) *
      |                         ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 5451 |                                 stbi__depth_scale_table[z->depth]; // non 8-bit images will be larger
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
common/stb_image.h:5326:28: note: at offset 3 into destination object ‘tc’ of size 3
 5326 |     stbi_uc has_trans = 0, tc[3] = {0};
      |                            ^~

I think it's related to this issue in the original project for stb_image.h: nothings/stb#1642.

So there might not be anything we can do about it, but I figured I'd report the issue.

[github-actions]

This issue was closed because it has been inactive for 14 days since being marked as stale.