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| author | Alex Shi <alex.shi@linaro.org> | 2017-10-28 12:06:21 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2017-10-28 12:06:21 +0800 |
| commit | 51f5845319f21bb32422e6fd5f9cd5c9d56c60c5 (patch) | |
| tree | 009d8dc790dc62d29135b2f12064e5cd581fefe4 /lib | |
| parent | fb596ec8d32dfe1fe69395773ecddae1c8cc2b9c (diff) | |
| parent | 9b36699635c54b2e56ec3fc07a750dc465542a6d (diff) | |
Merge tag 'v4.4.95' into linux-linaro-lsk-v4.4
This is the 4.4.95 stable release
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/digsig.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/digsig.c b/lib/digsig.c index 07be6c1ef4e2..00c5c8179393 100644 --- a/lib/digsig.c +++ b/lib/digsig.c @@ -87,6 +87,12 @@ static int digsig_verify_rsa(struct key *key, down_read(&key->sem); ukp = user_key_payload(key); + if (!ukp) { + /* key was revoked before we acquired its semaphore */ + err = -EKEYREVOKED; + goto err1; + } + if (ukp->datalen < sizeof(*pkh)) goto err1; |