[PATCH v3 1/3] KEYS: Don't write out to userspace while holding key semaphore

[Waiman Long]

On 3/16/20 7:50 AM, David Howells wrote:
> Waiman Long <longman at redhat.com> wrote:
>
>>  include/linux/key-type.h                  |  2 +-
>>  security/keys/big_key.c                   | 11 ++---
>>  security/keys/encrypted-keys/encrypted.c  |  7 ++-
>>  security/keys/keyctl.c                    | 57 +++++++++++++++++++----
>>  security/keys/keyring.c                   |  6 +--
>>  security/keys/request_key_auth.c          |  7 ++-
>>  security/keys/trusted-keys/trusted_tpm1.c | 14 +-----
>>  security/keys/user_defined.c              |  5 +-
>> ...
>> -	long (*read)(const struct key *key, char __user *buffer, size_t buflen);
>> +	long (*read)(const struct key *key, char *buffer, size_t buflen);
> Note that there are read functions outside of security/keys/ that also need
> fixing - dns_resolver_read() and rxrpc_read().
>
> David

Yes, I am going to fix that. Sorry for the delay as I am juggling a few
different tasks.

Cheers,
Longman