75 		size_t, plen,  in SYSCALL_DEFINE5()  argument
84 	if (plen > 1024 * 1024 - 1)  in SYSCALL_DEFINE5()
112 	if (plen) {  in SYSCALL_DEFINE5()
114 		payload = kvmalloc(plen, GFP_KERNEL);  in SYSCALL_DEFINE5()
119 		if (copy_from_user(payload, _payload, plen) != 0)  in SYSCALL_DEFINE5()
133 				       payload, plen, KEY_PERM_UNDEF,  in SYSCALL_DEFINE5()
146 		memzero_explicit(payload, plen);  in SYSCALL_DEFINE5()
328 		       size_t plen)  in keyctl_update_key()  argument
335 	if (plen > PAGE_SIZE)  in keyctl_update_key()
340 	if (plen) {  in keyctl_update_key()
342 		payload = kmalloc(plen, GFP_KERNEL);  in keyctl_update_key()
347 		if (copy_from_user(payload, _payload, plen) != 0)  in keyctl_update_key()
359 	ret = key_update(key_ref, payload, plen);  in keyctl_update_key()
1103 	size_t plen = from ? iov_iter_count(from) : 0;  in keyctl_instantiate_key_common()  local
1107 	kenter("%d,,%zu,%d", id, plen, ringid);  in keyctl_instantiate_key_common()
1109 	if (!plen)  in keyctl_instantiate_key_common()
1113 	if (plen > 1024 * 1024 - 1)  in keyctl_instantiate_key_common()
1132 		payload = kvmalloc(plen, GFP_KERNEL);  in keyctl_instantiate_key_common()
1137 		if (!copy_from_iter_full(payload, plen, from))  in keyctl_instantiate_key_common()
1148 	ret = key_instantiate_and_link(rka->target_key, payload, plen,  in keyctl_instantiate_key_common()
1160 		memzero_explicit(payload, plen);  in keyctl_instantiate_key_common()
1178 			    size_t plen,  in keyctl_instantiate_key()  argument
1181 	if (_payload && plen) {  in keyctl_instantiate_key()
1186 		ret = import_single_range(WRITE, (void __user *)_payload, plen,  in keyctl_instantiate_key()