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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-06-20 14:40:51 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-06-20 14:40:51 (GMT) |
| commit | bc71c2df45e5a861818b5ee173702883df07471a (patch) | |
| tree | cd008493efad9dc936d0d2574f26dc6c9c7cb785 /security/keys/dh.c | |
| parent | 76d15c8fba655c9b2d60cf01834858f2c44483dc (diff) | |
| parent | 33688abb2802ff3a230bd2441f765477b94cc89e (diff) | |
| download | linux-bc71c2df45e5a861818b5ee173702883df07471a.tar.xz | |
Merge 4.7-rc4 into usb-next
We need the 4.7-rc4 fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'security/keys/dh.c')
| -rw-r--r-- | security/keys/dh.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/security/keys/dh.c b/security/keys/dh.c index 880505a..531ed2e 100644 --- a/security/keys/dh.c +++ b/security/keys/dh.c @@ -78,7 +78,8 @@ error: } long keyctl_dh_compute(struct keyctl_dh_params __user *params, - char __user *buffer, size_t buflen) + char __user *buffer, size_t buflen, + void __user *reserved) { long ret; MPI base, private, prime, result; @@ -97,6 +98,11 @@ long keyctl_dh_compute(struct keyctl_dh_params __user *params, goto out; } + if (reserved) { + ret = -EINVAL; + goto out; + } + keylen = mpi_from_key(pcopy.prime, buflen, &prime); if (keylen < 0 || !prime) { /* buflen == 0 may be used to query the required buffer size, |