Re: [PATCH 1/1][BUG][IMPORTANT] KEYRINGS: find_keyring_by_name() can gain the freed keyring

[David Howells]

Toshiyuki Okajima <toshi.okajima@xxxxxxxxxxxxxx> wrote:

> With linux-2.6.34-rc5, find_keyring_by_name() can gain the keyring which has
> been already freed. And then, its space (which is gained by
> find_keyring_by_name()) is broken by accessing the freed keyring as the
> available keyring.

Good catch!

I'm not sure this is the best solution, though.

The alternative is just to ignore keys that have a zero usage count.

David
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