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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-12-18 11:08:05 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-12-18 11:08:05 +0300
commitd9e3d899bc7a852d44b3305ed49799fbf090e756 (patch)
treef3a75cb5f60be908a4384bd9e7add08486d7d338 /crypto/asymmetric_keys/x509_cert_parser.c
parentcc2e60dfa6ba4ff2c054bca932b9afc8702a2f9a (diff)
parent1291a0d5049dbc06baaaf66a9ff3f53db493b19b (diff)
downloadlinux-d9e3d899bc7a852d44b3305ed49799fbf090e756.tar.xz
Merge 4.15-rc4 into usb-next
We want the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'crypto/asymmetric_keys/x509_cert_parser.c')
-rw-r--r--crypto/asymmetric_keys/x509_cert_parser.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c
index dd03fead1ca3..ce2df8c9c583 100644
--- a/crypto/asymmetric_keys/x509_cert_parser.c
+++ b/crypto/asymmetric_keys/x509_cert_parser.c
@@ -409,6 +409,8 @@ int x509_extract_key_data(void *context, size_t hdrlen,
ctx->cert->pub->pkey_algo = "rsa";
/* Discard the BIT STRING metadata */
+ if (vlen < 1 || *(const u8 *)value != 0)
+ return -EBADMSG;
ctx->key = value + 1;
ctx->key_size = vlen - 1;
return 0;