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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 14 files:

Smatch caller information:

lib/iov_iter.c __import_iovec_ubuf() -> import_ubuf()

Type Parameter Key Value
PARAM_VALUE 0 rw 0-1
DATA_SOURCE 0 rw $0
DATA_SOURCE 3 i $3
HARD_MAX 0 rw 1
RX_PATH
TASK_NOT_RUNNING
UNITS 1 buf unit_byte
UNITS 2 len unit_byte
HALF_LOCKED2 &ctx->uring_lock

kernel/trace/trace_events_user.c user_events_write() -> import_ubuf()

Type Parameter Key Value
PARAM_VALUE 0 rw 1
PARAM_VALUE 2 len 0-1000000000,2147479552
PARAM_VALUE 3 i 2473597652912721920
CAPPED_DATA 1 buf 1
DATA_SOURCE 1 buf $1
DATA_SOURCE 2 len $2
FUZZY_MAX 2 len 2147479552
USER_DATA 2 len 0-1000000000

fs/aio.c aio_setup_rw() -> import_ubuf()

Type Parameter Key Value
PARAM_VALUE 0 rw 0-1
PARAM_VALUE 2 len 0-9223372036854775807
PARAM_VALUE 3 i 180102883164901376,7965983928270811136
CAPPED_DATA 2 len 1
CAPPED_DATA 2 len 1
DATA_SOURCE 0 rw $0
DATA_SOURCE 3 i $5
NOSPEC 2 len
NOSPEC 2 len
HARD_MAX 0 rw 1
USER_DATA 2 len 0-9223372036854775807[c]

net/ipv4/tcp.c receive_fallback_to_copy() -> import_ubuf()

Type Parameter Key Value
PARAM_VALUE 0 rw 0
PARAM_VALUE 2 len 1-s32max,18446744071562067968-u64max
PARAM_VALUE 3 i 8464634562268069904
CAPPED_DATA 1 buf 1
CAPPED_DATA 1 buf 1
CAPPED_DATA 2 len 1
DATA_SOURCE 2 len $2
RX_PATH
UNITS 2 len unit_byte
HALF_LOCKED2 sk
HALF_LOCKED2 sk

net/ipv4/tcp.c tcp_copy_straggler_data() -> import_ubuf()

Type Parameter Key Value
PARAM_VALUE 0 rw 0
PARAM_VALUE 2 len 1-u32max
PARAM_VALUE 3 i 3252789435301113872
CAPPED_DATA 1 buf 1
CAPPED_DATA 1 buf 1
CAPPED_DATA 2 len 1
DATA_SOURCE 2 len $2
NOSPEC 2 len
NOSPEC 2 len
RX_PATH
USER_DATA 2 len 1-4294967294[c]
UNITS 2 len unit_byte
HALF_LOCKED2 sk

sound/core/memory.c copy_from_user_toio() -> import_ubuf()

Type Parameter Key Value
PARAM_VALUE 0 rw 1
PARAM_VALUE 3 i 2764496678439817216
DATA_SOURCE 1 buf $1
DATA_SOURCE 2 len $2

sound/core/memory.c copy_to_user_fromio() -> import_ubuf()

Type Parameter Key Value
PARAM_VALUE 0 rw 0
PARAM_VALUE 2 len 0-2147479552
PARAM_VALUE 3 i 7911864731348533248
CAPPED_DATA 2 len 1
CAPPED_DATA 2 len 1
DATA_SOURCE 1 buf $0
DATA_SOURCE 2 len $2
USER_DATA 2 len 0-2147479552[c]
NO_OVERFLOW_SIMPLE 2 len

security/keys/keyctl.c keyctl_instantiate_key() -> import_ubuf()

Type Parameter Key Value
PARAM_VALUE 0 rw 1
PARAM_VALUE 1 buf 1-u64max
PARAM_VALUE 2 len 1-u64max
PARAM_VALUE 3 i 4492510634971021312
DATA_SOURCE 1 buf $1
DATA_SOURCE 2 len $2
USER_DATA 2 len 1-u64max

block/blk-map.c blk_rq_map_user() -> import_ubuf()

Type Parameter Key Value
PARAM_VALUE 0 rw 0-1
PARAM_VALUE 2 len 0-u32max
PARAM_VALUE 3 i 994473194779484160
CAPPED_DATA 2 len 1
CAPPED_DATA 2 len 1
DATA_SOURCE 1 buf $3
DATA_SOURCE 2 len $4
FUZZY_MAX 0 rw 1
HARD_MAX 0 rw 1
RX_PATH
TASK_NOT_RUNNING
USER_DATA 2 len 1-u32max[c]
UNITS 1 buf unit_byte
UNITS 2 len unit_byte
HALF_LOCKED2 &cd->lock

drivers/block/ublk_drv.c ublk_map_io() -> import_ubuf()

Type Parameter Key Value
PARAM_VALUE 0 rw 0
PARAM_VALUE 2 len 1-u32max
PARAM_VALUE 3 i 3795918676823621632
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &ctx->uring_lock

drivers/block/ublk_drv.c ublk_unmap_io() -> import_ubuf()

Type Parameter Key Value
PARAM_VALUE 0 rw 1
PARAM_VALUE 2 len 0-s32max
PARAM_VALUE 3 i 846238640954445824
RX_PATH
TASK_NOT_RUNNING
USER_DATA 2 len 0-s32max[u]
UNITS 2 len unit_byte
HALF_LOCKED2 &ctx->uring_lock

io_uring/net.c io_recv_buf_select() -> import_ubuf()

Type Parameter Key Value
PARAM_VALUE 0 rw 0
PARAM_VALUE 2 len 0-s32max,18446744071562067968-u64max
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 2 len
UNITS 1 buf unit_byte
UNITS 2 len unit_byte

io_uring/net.c io_recvmsg_prep_setup() -> import_ubuf()

Type Parameter Key Value
PARAM_VALUE 0 rw 0
PARAM_VALUE 2 len 0-s32max,18446744071562067968-u64max
UNITS 1 buf unit_byte
UNITS 2 len unit_byte
LOCK2 &ctx->uring_lock
HALF_LOCKED2 &sqd->lock
TYPE_LOCK (struct io_ring_ctx)->uring_lock

io_uring/net.c io_send_select_buffer() -> import_ubuf()

Type Parameter Key Value
PARAM_VALUE 0 rw 1
PARAM_VALUE 2 len 0-s32max,18446744071562067968-u64max
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 2 len
UNITS 1 buf unit_byte
UNITS 2 len unit_byte

io_uring/net.c io_send_setup() -> import_ubuf()

Type Parameter Key Value
PARAM_VALUE 0 rw 1
PARAM_VALUE 2 len 0-s32max,18446744071562067968-u64max
UNITS 1 buf unit_byte
UNITS 2 len unit_byte
LOCK2 &ctx->uring_lock
HALF_LOCKED2 &sqd->lock
TYPE_LOCK (struct io_ring_ctx)->uring_lock

drivers/char/random.c __do_sys_getrandom() -> import_ubuf()

Type Parameter Key Value
PARAM_VALUE 0 rw 0
PARAM_VALUE 3 i 8311592135892418560
DATA_SOURCE 1 buf $0
DATA_SOURCE 2 len $1
USER_DATA 2 len 0-u64max

drivers/char/random.c __do_sys_getrandom() -> import_ubuf()

Type Parameter Key Value
PARAM_VALUE 0 rw 0
PARAM_VALUE 3 i 8311592135892418560
DATA_SOURCE 1 buf $0
DATA_SOURCE 2 len $1
USER_DATA 2 len 0-u64max

drivers/char/random.c random_ioctl() -> import_ubuf()

Type Parameter Key Value
PARAM_VALUE 0 rw 1
PARAM_VALUE 2 len 0-s32max,18446744071562067968-u64max
PARAM_VALUE 3 i 7706162596037222400
CAPABLE 0 21
USER_DATA 2 len 0-s32max,18446744071562067968-u64max

sound/core/pcm_lib.c do_transfer() -> import_ubuf()

Type Parameter Key Value
PARAM_VALUE 0 rw 0-1
PARAM_VALUE 1 buf 4096-ptr_max
PARAM_VALUE 3 i 6418745938073509888
DATA_SOURCE 1 buf $3
DATA_SOURCE 2 len $4
FUZZY_MAX 0 rw 1
BIT_INFO 2 len 0x0,0x7fffffffffffffff
BIT_INFO 2 len 0x0,0x7fffffffffffffff
HARD_MAX 0 rw 1
RX_PATH
TASK_NOT_RUNNING
USER_DATA 2 len 0-1152921503801540608[c]
UNITS 1 buf unit_byte
UNITS 2 len unit_byte
USER_PTR 1 buf
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 &runtime->oss.params_lock

net/socket.c __sys_recvfrom() -> import_ubuf()

Type Parameter Key Value
PARAM_VALUE 0 rw 0
PARAM_VALUE 3 i 8896203603836428304
DATA_SOURCE 1 buf $1
DATA_SOURCE 2 len $2
USER_DATA 1 buf 0-u64max
USER_DATA 2 len 0-u64max

net/socket.c __sys_sendto() -> import_ubuf()

Type Parameter Key Value
PARAM_VALUE 0 rw 1
PARAM_VALUE 3 i 6290197874174672912
DATA_SOURCE 1 buf $1
DATA_SOURCE 2 len $2
USER_DATA 1 buf 0-u64max
USER_DATA 2 len 0-u64max

fs/fuse/dev_uring.c setup_fuse_copy_state() -> import_ubuf()

Type Parameter Key Value
PARAM_VALUE 0 rw 0-1
PARAM_VALUE 3 i 4992228368525844480,7346057130725212160
DATA_SOURCE 0 rw $4
DATA_SOURCE 3 i $5
HARD_MAX 0 rw 1
RX_PATH
TASK_NOT_RUNNING
UNITS 1 buf unit_byte
UNITS 2 len unit_byte
HALF_LOCKED2 &ctx->uring_lock

io_uring/rw.c __io_import_rw_buffer() -> import_ubuf()

Type Parameter Key Value
PARAM_VALUE 0 rw 0-1
PARAM_VALUE 2 len 0-u32max
DATA_SOURCE 0 rw $0
HARD_MAX 0 rw 1
RX_PATH
TASK_NOT_RUNNING
UNITS 1 buf unit_byte
UNITS 2 len unit_byte
HALF_LOCKED2 &ctx->uring_lock

io_uring/rw.c io_prep_rw_pi() -> import_ubuf()

Type Parameter Key Value
PARAM_VALUE 0 rw 0-1
DATA_SOURCE 0 rw $2
HARD_MAX 0 rw 1
USER_DATA 2 len 0-u32max
LOCK2 &ctx->uring_lock
HALF_LOCKED2 &sqd->lock
TYPE_LOCK (struct io_ring_ctx)->uring_lock