Attachment 9685 Details for Bug 21659 – Script to create a specimen image in memory, free the memory then try to access it again via a dangling pointer.

Script to create a specimen image in memory, free the memory then try to access it again via a dangling pointer.

test.c (text/plain), 248 bytes, created by Len Lawrence on 2017-09-24 21:37:15 CEST

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Creator: Len Lawrence

Created: 2017-09-24 21:37:15 CEST

Size: 248 bytes

patch

obsolete

#include "gd.h"
//#include "gdtest.h"

int main() {
    gdImagePtr im1 = 0;
    void * im2 = 0;
    int size = 0;

    im1 = gdImageCreate(100, 100);

    im2 = gdImagePngPtr(im1, &size);

    gdFree(im2);

    gdImageDestroy(im1);

    return 0;
}

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Attachments on bug 21659: 9685 | 9686 | 9687