77 		size_t, plen,  in SYSCALL_DEFINE5()  argument
86 	if (plen > 1024 * 1024 - 1)  in SYSCALL_DEFINE5()
114 	if (plen) {  in SYSCALL_DEFINE5()
116 		payload = kvmalloc(plen, GFP_KERNEL);  in SYSCALL_DEFINE5()
121 		if (copy_from_user(payload, _payload, plen) != 0)  in SYSCALL_DEFINE5()
135 				       payload, plen, KEY_PERM_UNDEF,  in SYSCALL_DEFINE5()
147 	kvfree_sensitive(payload, plen);  in SYSCALL_DEFINE5()
327 		       size_t plen)  in keyctl_update_key()  argument
334 	if (plen > PAGE_SIZE)  in keyctl_update_key()
339 	if (plen) {  in keyctl_update_key()
341 		payload = kvmalloc(plen, GFP_KERNEL);  in keyctl_update_key()
346 		if (copy_from_user(payload, _payload, plen) != 0)  in keyctl_update_key()
358 	ret = key_update(key_ref, payload, plen);  in keyctl_update_key()
362 	kvfree_sensitive(payload, plen);  in keyctl_update_key()
1179 	size_t plen = from ? iov_iter_count(from) : 0;  in keyctl_instantiate_key_common()  local
1183 	kenter("%d,,%zu,%d", id, plen, ringid);  in keyctl_instantiate_key_common()
1185 	if (!plen)  in keyctl_instantiate_key_common()
1189 	if (plen > 1024 * 1024 - 1)  in keyctl_instantiate_key_common()
1208 		payload = kvmalloc(plen, GFP_KERNEL);  in keyctl_instantiate_key_common()
1213 		if (!copy_from_iter_full(payload, plen, from))  in keyctl_instantiate_key_common()
1224 	ret = key_instantiate_and_link(rka->target_key, payload, plen,  in keyctl_instantiate_key_common()
1235 	kvfree_sensitive(payload, plen);  in keyctl_instantiate_key_common()
1251 			    size_t plen,  in keyctl_instantiate_key()  argument
1254 	if (_payload && plen) {  in keyctl_instantiate_key()
1259 		ret = import_single_range(ITER_SOURCE, (void __user *)_payload, plen,  in keyctl_instantiate_key()