Are the repo permissions correct?

[docfate111]

I'm getting this error, I don't know if I'm doing something wrong.

git clone https://android.googlesource.com/kernel/goldfish && \
git clone [email protected]:Fuzion24/AndroidKernelExploitation.git kernel_exploit_challenges && \
cd goldfish && git checkout -t origin/android-goldfish-3.4 && \
git am --signoff < ../kernel_exploit_challenges/kernel_build/debug_symbols_and_challenges.patch && \
cd .. && ln -s $(pwd)/kernel_exploit_challenges/ goldfish/drivers/vulnerabilities

Cloning into 'goldfish'...
remote: Sending approximately 1.53 GiB ...
remote: Counting objects: 112, done
remote: Finding sources: 100% (112/112)
remote: Total 7459811 (delta 6277225), reused 7459766 (delta 6277225)
Receiving objects: 100% (7459811/7459811), 1.53 GiB | 21.17 MiB/s, done.
Resolving deltas: 100% (6277225/6277225), done.
Cloning into 'kernel_exploit_challenges'...
The authenticity of host 'github.com (192.30.255.112)' can't be established.
RSA key fingerprint is SHA256:nThbg6kXUpJWGl7E1IGOCspRomTxdCARLviKw6E5SY8.
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added 'github.com,192.30.255.112' (RSA) to the list of known hosts.
[email protected]: Permission denied (publickey).
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.