diff options
Diffstat (limited to 'security/keys/keyctl.c')
| -rw-r--r-- | security/keys/keyctl.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c index 8ec84326a983..1698bf90ee84 100644 --- a/security/keys/keyctl.c +++ b/security/keys/keyctl.c @@ -152,6 +152,7 @@ asmlinkage long sys_request_key(const char __user *_type, struct key_type *ktype; struct key *key; key_ref_t dest_ref; + size_t callout_len; char type[32], *description, *callout_info; long ret; @@ -169,12 +170,14 @@ asmlinkage long sys_request_key(const char __user *_type, /* pull the callout info into kernel space */ callout_info = NULL; + callout_len = 0; if (_callout_info) { callout_info = strndup_user(_callout_info, PAGE_SIZE); if (IS_ERR(callout_info)) { ret = PTR_ERR(callout_info); goto error2; } + callout_len = strlen(callout_info); } /* get the destination keyring if specified */ @@ -195,8 +198,8 @@ asmlinkage long sys_request_key(const char __user *_type, } /* do the search */ - key = request_key_and_link(ktype, description, callout_info, NULL, - key_ref_to_ptr(dest_ref), + key = request_key_and_link(ktype, description, callout_info, + callout_len, NULL, key_ref_to_ptr(dest_ref), KEY_ALLOC_IN_QUOTA); if (IS_ERR(key)) { ret = PTR_ERR(key); |