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| author | James Morris <james.l.morris@oracle.com> | 2017-10-19 03:28:38 +0200 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2017-10-19 03:28:38 +0200 |
| commit | 494b9ae7abb84e6d88d7587906aff29dd26cf9d0 (patch) | |
| tree | aeb24854a715777aaa9d433d57f5e45d05017f73 /crypto | |
| parent | Merge tag 'xfs-4.14-fixes-6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux (diff) | |
| parent | pkcs7: Prevent NULL pointer dereference, since sinfo is not always set. (diff) | |
| download | linux-494b9ae7abb84e6d88d7587906aff29dd26cf9d0.tar.xz linux-494b9ae7abb84e6d88d7587906aff29dd26cf9d0.zip | |
Merge commit 'tags/keys-fixes-20171018' into fixes-v4.14-rc5
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/asymmetric_keys/asymmetric_type.c | 4 | ||||
| -rw-r--r-- | crypto/asymmetric_keys/pkcs7_parser.c | 3 |
2 files changed, 6 insertions, 1 deletions
diff --git a/crypto/asymmetric_keys/asymmetric_type.c b/crypto/asymmetric_keys/asymmetric_type.c index e4b0ed386bc8..39aecad286fe 100644 --- a/crypto/asymmetric_keys/asymmetric_type.c +++ b/crypto/asymmetric_keys/asymmetric_type.c @@ -57,6 +57,8 @@ struct key *find_asymmetric_key(struct key *keyring, char *req, *p; int len; + BUG_ON(!id_0 && !id_1); + if (id_0) { lookup = id_0->data; len = id_0->len; @@ -105,7 +107,7 @@ struct key *find_asymmetric_key(struct key *keyring, if (id_0 && id_1) { const struct asymmetric_key_ids *kids = asymmetric_key_ids(key); - if (!kids->id[0]) { + if (!kids->id[1]) { pr_debug("First ID matches, but second is missing\n"); goto reject; } diff --git a/crypto/asymmetric_keys/pkcs7_parser.c b/crypto/asymmetric_keys/pkcs7_parser.c index af4cd8649117..d140d8bb2c96 100644 --- a/crypto/asymmetric_keys/pkcs7_parser.c +++ b/crypto/asymmetric_keys/pkcs7_parser.c @@ -88,6 +88,9 @@ static int pkcs7_check_authattrs(struct pkcs7_message *msg) bool want = false; sinfo = msg->signed_infos; + if (!sinfo) + goto inconsistent; + if (sinfo->authattrs) { want = true; msg->have_authattrs = true; |