Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

net/compat.c cmsghdr_from_user_compat_to_kern() -> cmsg_compat_nxthdr()

Type Parameter Key Value
PARAM_VALUE 0 msg 4096-ptr_max
PARAM_VALUE 0 msg->msg_controllen 12-s32max
PARAM_VALUE 1 cmsg 1-u64max
PARAM_VALUE 2 cmsg_len s32min-(-1),12-s32max
BUF_SIZE 0 msg->msg_ubuf (-1),16
CAPPED_DATA 0 msg->msg_controllen 1
CAPPED_DATA 2 cmsg_len 1
DATA_SOURCE 0 msg $0
FUZZY_MAX 0 msg->msg_controllen 12
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 msg->msg_controllen 12-s32max[c]
USER_DATA 0 msg->msg_flags 0-u32max
USER_DATA 0 *msg->msg_name s64min-s64max
USER_DATA 2 cmsg_len 13-s32max[c]
UNITS 1 cmsg unit_byte
UNITS 2 cmsg_len unit_byte
USER_PTR 0 msg->msg_name

net/compat.c cmsghdr_from_user_compat_to_kern() -> cmsg_compat_nxthdr()

Type Parameter Key Value
PARAM_VALUE 0 msg 4096-ptr_max
PARAM_VALUE 0 msg->msg_controllen 12-s32max
PARAM_VALUE 1 cmsg 1-u64max
PARAM_VALUE 2 cmsg_len s32min-(-1),12-s32max
BUF_SIZE 0 msg->msg_ubuf (-1),16
CAPPED_DATA 0 msg->msg_controllen 1
CAPPED_DATA 2 cmsg_len 1
DATA_SOURCE 0 msg $0
FUZZY_MAX 0 msg->msg_controllen 12
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 msg->msg_controllen 12-s32max[c]
USER_DATA 0 msg->msg_flags 0-u32max
USER_DATA 0 *msg->msg_name s64min-s64max
USER_DATA 2 cmsg_len 13-s32max[c]
UNITS 1 cmsg unit_byte
UNITS 2 cmsg_len unit_byte
USER_PTR 0 msg->msg_name