hex_dump_to_buffer identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Documented in 1 files:

lib/hexdump.c, line 98

Defined in 1 files as a prototype:

include/linux/printk.h, line 765 (as a prototype)

Defined in 1 files as a function:

lib/hexdump.c, line 128 (as a function)

Referenced in 21 files:

Smatch caller information:

lib/test_hexdump.c test_hexdump() -> hex_dump_to_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	buf	4965518079886872576
PARAM_VALUE	1	len	0-u32max
PARAM_VALUE	3	groupsize	1-2,4,8
PARAM_VALUE	4	linebuf	5731132258740899840
PARAM_VALUE	5	linebuflen	131
BUF_SIZE	0	buf	32
BUF_SIZE	4	linebuf	131
CAPPED_DATA	1	len	1
CAPPED_DATA	1	len	1
DATA_SOURCE	1	len	$0
DATA_SOURCE	2	rowsize	$1
DATA_SOURCE	3	groupsize	$2
DATA_SOURCE	6	ascii	$3
HARD_MAX	3	groupsize	8
NOCHECK_CALL
UNITS	5	linebuflen	unit_byte

lib/test_hexdump.c test_hexdump_overflow() -> hex_dump_to_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	buf	4965518079886872576
PARAM_VALUE	4	linebuf	7267466859378896896
PARAM_VALUE	5	linebuflen	0-131
BUF_SIZE	0	buf	32
BUF_SIZE	4	linebuf	131
CAPPED_DATA	2	rowsize	1
DATA_SOURCE	1	len	$1
DATA_SOURCE	2	rowsize	$2
DATA_SOURCE	3	groupsize	$3
DATA_SOURCE	5	linebuflen	$0
DATA_SOURCE	6	ascii	$4
FUZZY_MAX	5	linebuflen	131
HARD_MAX	5	linebuflen	131

drivers/gpu/drm/i915/selftests/i915_selftest.c igt_hexdump() -> hex_dump_to_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	1	len	1-4096
PARAM_VALUE	2	rowsize	32
PARAM_VALUE	3	groupsize	4
PARAM_VALUE	4	linebuf	4085931430732308480
PARAM_VALUE	5	linebuflen	128
PARAM_VALUE	6	ascii	0
BUF_SIZE	4	linebuf	128
UNITS	2	rowsize	unit_byte
UNITS	3	groupsize	unit_byte
UNITS	5	linebuflen	unit_byte

drivers/net/wireless/intel/iwlegacy/3945-mac.c il3945_show_measurement() -> hex_dump_to_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	*buf	0-255
PARAM_VALUE	1	len	1-u32max
PARAM_VALUE	2	rowsize	16
PARAM_VALUE	3	groupsize	1
PARAM_VALUE	4	linebuf	4096-ptr_max
PARAM_VALUE	5	linebuflen	0-4096,18446744069414588417-u64max
PARAM_VALUE	6	ascii	1
FUZZY_MAX	1	len	100
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	1	len	unit_byte
UNITS	4	linebuf	unit_byte
UNITS	5	linebuflen	unit_byte
LOCK2		&of->mutex
HALF_LOCKED2		&of->prealloc_mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct kernfs_open_file)->mutex

drivers/staging/fbtft/fbtft-core.c fbtft_dbg_hex() -> hex_dump_to_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	2	rowsize	32
PARAM_VALUE	3	groupsize	1-2
PARAM_VALUE	5	linebuflen	0-2147484160,18446744071562068481-u64max
PARAM_VALUE	6	ascii	0
BUF_SIZE	0	buf	(-1),8,32,128,4096
BUF_SIZE	0	buf	(-1),8,32,128,4096
CAPPED_DATA	5	linebuflen	1
DATA_SOURCE	0	buf	$2
DATA_SOURCE	1	len	$3
DATA_SOURCE	3	groupsize	$1
HARD_MAX	3	groupsize	2
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	3	groupsize	unit_byte

drivers/crypto/marvell/octeontx/otx_cptpf_mbox.c dump_mbox_msg() -> hex_dump_to_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	buf	3202922098723446784
PARAM_VALUE	1	len	16
PARAM_VALUE	2	rowsize	16
PARAM_VALUE	3	groupsize	8
PARAM_VALUE	4	linebuf	254307721089536000
PARAM_VALUE	5	linebuflen	64
PARAM_VALUE	6	ascii	0
BUF_SIZE	4	linebuf	64
DATA_SOURCE	0	buf	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	1	len	unit_byte
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags

fs/seq_file.c seq_hex_dump() -> hex_dump_to_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	*buf	0-255
PARAM_VALUE	1	len	0-32,18446744071562067968-u64max
PARAM_VALUE	2	rowsize	16,32
PARAM_VALUE	3	groupsize	1,4
PARAM_VALUE	4	linebuf	0,4096-ptr_max
PARAM_VALUE	4	*linebuf	0-255
CAPPED_DATA	1	len	1
CAPPED_DATA	2	rowsize	1
CAPPED_DATA	5	linebuflen	1
CAPPED_DATA	5	linebuflen	1
DATA_SOURCE	2	rowsize	$3 [m]
DATA_SOURCE	3	groupsize	$4
DATA_SOURCE	5	linebuflen	r seq_get_buf
DATA_SOURCE	6	ascii	$7
FUZZY_MAX	2	rowsize	16
BIT_INFO	2	rowsize	0x0,0x30
HARD_MAX	2	rowsize	32
HARD_MAX	3	groupsize	4
RX_PATH
TASK_NOT_RUNNING
UNITS	0	buf	unit_byte
UNITS	1	len	unit_byte
UNITS	2	rowsize	unit_byte
UNITS	3	groupsize	unit_byte
USER_PTR	0	buf
HALF_LOCKED2		&hisi_acc_vdev->open_mutex
HALF_LOCKED2		&hisi_acc_vdev->state_mutex
HALF_LOCKED2		&m->lock
HALF_LOCKED2		&object->lock
HALF_LOCKED2		&p->mutex
HALF_LOCKED2		&pm->lock
HALF_LOCKED2		global &kfd_processes_srcu
HALF_LOCKED2		global &topology_lock
HALF_LOCKED2		global &tpmi_dev_lock

lib/hexdump.c print_hex_dump() -> hex_dump_to_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	*buf	0-255
PARAM_VALUE	1	len	0-32,18446744071562067968-u64max
PARAM_VALUE	2	rowsize	16,32
PARAM_VALUE	4	linebuf	4368973300069285888
PARAM_VALUE	5	linebuflen	131
BUF_SIZE	4	linebuf	131
CAPPED_DATA	1	len	1
CAPPED_DATA	2	rowsize	1
DATA_SOURCE	2	rowsize	$3 [m]
DATA_SOURCE	3	groupsize	$4
DATA_SOURCE	6	ascii	$7
FUZZY_MAX	2	rowsize	16
BIT_INFO	2	rowsize	0x0,0x30
NOCHECK_CALL
UNITS	1	len	unit_byte
UNITS	2	rowsize	unit_byte
UNITS	5	linebuflen	unit_byte

drivers/platform/chrome/wilco_ec/debugfs.c raw_read() -> hex_dump_to_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	1	len	32
PARAM_VALUE	2	rowsize	16
PARAM_VALUE	3	groupsize	1
PARAM_VALUE	5	linebuflen	128
PARAM_VALUE	6	ascii	1
BUF_SIZE	0	buf	32
BUF_SIZE	4	linebuf	128
UNITS	5	linebuflen	unit_byte

drivers/crypto/marvell/octeontx/otx_cptvf_mbox.c dump_mbox_msg() -> hex_dump_to_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	buf	6073218294165118976
PARAM_VALUE	1	len	16
PARAM_VALUE	2	rowsize	16
PARAM_VALUE	3	groupsize	8
PARAM_VALUE	4	linebuf	4519916683158380544
PARAM_VALUE	5	linebuflen	64
PARAM_VALUE	6	ascii	0
BUF_SIZE	4	linebuf	64
DATA_SOURCE	0	buf	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	1	len	unit_byte
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags

drivers/gpu/drm/i915/gt/intel_engine_cs.c hexdump() -> hex_dump_to_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	1	len	1-4000000
PARAM_VALUE	2	rowsize	32
PARAM_VALUE	3	groupsize	4
PARAM_VALUE	4	linebuf	3596622575553024000
PARAM_VALUE	5	linebuflen	128
PARAM_VALUE	6	ascii	0
BUF_SIZE	4	linebuf	128
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	0	buf	unit_byte
UNITS	1	len	unit_byte
UNITS	2	rowsize	unit_byte
UNITS	3	groupsize	unit_byte
UNITS	5	linebuflen	unit_byte
HALF_LOCKED2		&m->lock
HALF_LOCKED2		obj->base.resv

drivers/platform/chrome/chromeos_acpi.c chromeos_acpi_handle_package() -> hex_dump_to_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	*buf	0-255
PARAM_VALUE	1	len	1-s32max
PARAM_VALUE	2	rowsize	16
PARAM_VALUE	3	groupsize	1
PARAM_VALUE	4	linebuf	4096-ptr_max
PARAM_VALUE	5	linebuflen	1-s32max,18446744071562067968-u64max
PARAM_VALUE	6	ascii	0
RX_PATH
TASK_NOT_RUNNING
UNITS	2	rowsize	unit_byte
UNITS	4	linebuf	unit_byte
UNITS	5	linebuflen	unit_byte
LOCK2		&of->mutex
HALF_LOCKED2		&of->prealloc_mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct kernfs_open_file)->mutex

drivers/net/wireless/ath/ath11k/debug.c ath11k_dbg_dump() -> hex_dump_to_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	1	len	1-u64max
PARAM_VALUE	2	rowsize	16
PARAM_VALUE	3	groupsize	1
PARAM_VALUE	6	ascii	1
BUF_SIZE	0	buf	(-1),1-s32max
BUF_SIZE	0	buf	(-1),1-s32max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	1	len	1-u64max[c]
UNITS	0	buf	unit_byte
UNITS	1	len	unit_byte
UNITS	4	linebuf	unit_byte
UNITS	5	linebuflen	unit_byte
USER_PTR	0	buf
HALF_LOCKED2		&ar->conf_mutex
HALF_LOCKED2		&cfr->lut_lock
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		&srng->lock
HALF_LOCKED2		bh
HALF_LOCKED2		rcu_read

drivers/net/ethernet/synopsys/dwc-xlgmac-common.c xlgmac_print_pkt() -> hex_dump_to_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	buf	4096-ptr_max
PARAM_VALUE	0	*buf	0-255
PARAM_VALUE	1	len	1-32
PARAM_VALUE	2	rowsize	32
PARAM_VALUE	3	groupsize	1
PARAM_VALUE	4	linebuf	3188390711325523968
PARAM_VALUE	5	linebuflen	128
PARAM_VALUE	6	ascii	0
BUF_SIZE	4	linebuf	128
CAPPED_DATA	1	len	1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	1	len	1-31[c]
UNITS	1	len	unit_byte
UNITS	5	linebuflen	unit_byte
USER_PTR	0	buf

drivers/net/wireless/ath/ath10k/debug.c ath10k_dbg_dump() -> hex_dump_to_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	1	len	1-u64max
PARAM_VALUE	2	rowsize	16
PARAM_VALUE	3	groupsize	1
PARAM_VALUE	6	ascii	1
BUF_SIZE	0	buf	(-1),1-s32max
BUF_SIZE	0	buf	(-1),1-s32max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	1	len	1-u64max[c]
USER_DATA	1	len	1-u64max[c]
UNITS	0	buf	unit_byte
UNITS	1	len	unit_byte
UNITS	4	linebuf	unit_byte
UNITS	5	linebuflen	unit_byte
USER_PTR	0	buf
HALF_LOCKED2		&ar->conf_mutex
HALF_LOCKED2		&ce->ce_lock
HALF_LOCKED2		&htt->rx_ring.lock
HALF_LOCKED2		bh

lib/seq_buf.c seq_buf_hex_dump() -> hex_dump_to_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	*buf	0-255
PARAM_VALUE	1	len	0-16,18446744073709551601-u64max
PARAM_VALUE	2	rowsize	16
PARAM_VALUE	3	groupsize	4
PARAM_VALUE	4	linebuf	2100786303929466880
PARAM_VALUE	5	linebuflen	131
PARAM_VALUE	6	ascii	0
BUF_SIZE	4	linebuf	131
CAPPED_DATA	1	len	1
DATA_SOURCE	2	rowsize	$3 [m]
DATA_SOURCE	3	groupsize	$4
DATA_SOURCE	6	ascii	$7
PARAM_COMPARE	1	len	<= $2
PARAM_COMPARE	2	rowsize	>= $1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	0	buf	unit_byte
UNITS	1	len	unit_byte
UNITS	2	rowsize	unit_byte
UNITS	5	linebuflen	unit_byte
HALF_LOCKED2		flags
HALF_LOCKED2		global &tracepoint_iter_lock

drivers/net/ethernet/amd/xgbe/xgbe-drv.c xgbe_print_pkt() -> hex_dump_to_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	buf	4096-ptr_max
PARAM_VALUE	0	*buf	0-255
PARAM_VALUE	1	len	1-32
PARAM_VALUE	2	rowsize	32
PARAM_VALUE	3	groupsize	1
PARAM_VALUE	4	linebuf	9032995462198419456
PARAM_VALUE	5	linebuflen	128
PARAM_VALUE	6	ascii	0
BUF_SIZE	4	linebuf	128
CAPPED_DATA	1	len	1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	1	len	unit_byte
UNITS	5	linebuflen	unit_byte
USER_PTR	0	buf

drivers/mailbox/mailbox-test.c mbox_test_message_read() -> hex_dump_to_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	1	len	16
PARAM_VALUE	2	rowsize	16
PARAM_VALUE	3	groupsize	1
PARAM_VALUE	5	linebuflen	66
PARAM_VALUE	6	ascii	1
BUF_SIZE	0	buf	(-1),128
PREEMPT_ADD			<- disables preempt
NOCHECK_CALL
LOCK2		&tdev->lock
LOCK2		flags
TYPE_LOCK		(struct mbox_test_device)->lock

sound/soc/sof/xtensa/core.c xtensa_stack() -> hex_dump_to_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	1	len	16
PARAM_VALUE	2	rowsize	16
PARAM_VALUE	3	groupsize	4
PARAM_VALUE	4	linebuf	4808048213433040896
PARAM_VALUE	5	linebuflen	36
PARAM_VALUE	6	ascii	0
BUF_SIZE	4	linebuf	36
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	5	linebuflen	unit_byte
HALF_LOCKED2		_T->lock

sound/soc/sof/xtensa/core.c xtensa_stack() -> hex_dump_to_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	1	len	16
PARAM_VALUE	2	rowsize	16
PARAM_VALUE	3	groupsize	4
PARAM_VALUE	4	linebuf	4808048213433040896
PARAM_VALUE	5	linebuflen	36
PARAM_VALUE	6	ascii	0
BUF_SIZE	4	linebuf	36
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	5	linebuflen	unit_byte
HALF_LOCKED2		_T->lock

drivers/net/wireless/ath/ath12k/debug.c ath12k_dbg_dump() -> hex_dump_to_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	1	len	1-u64max
PARAM_VALUE	2	rowsize	16
PARAM_VALUE	3	groupsize	1
PARAM_VALUE	6	ascii	1
BUF_SIZE	0	buf	(-1),1-s32max
BUF_SIZE	0	buf	(-1),1-s32max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	0	buf	unit_byte
UNITS	1	len	unit_byte
UNITS	4	linebuf	unit_byte
UNITS	5	linebuflen	unit_byte
USER_PTR	0	buf
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		&srng->lock
HALF_LOCKED2		bh
HALF_LOCKED2		global &rtnl_mutex
HALF_LOCKED2		rcu_read

drivers/scsi/scsi_logging.c scsi_log_dump_sense() -> hex_dump_to_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	buf	4096-ptr_max
PARAM_VALUE	0	*buf	0-255
PARAM_VALUE	1	len	1-16
PARAM_VALUE	2	rowsize	16
PARAM_VALUE	3	groupsize	1
PARAM_VALUE	5	linebuflen	0-128
PARAM_VALUE	6	ascii	0
CAPPED_DATA	1	len	1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/scsi/scsi_logging.c scsi_print_command() -> hex_dump_to_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	buf	4096-ptr_max
PARAM_VALUE	0	*buf	0-255
PARAM_VALUE	1	len	1-16
PARAM_VALUE	2	rowsize	16
PARAM_VALUE	3	groupsize	1
PARAM_VALUE	6	ascii	0
CAPPED_DATA	1	len	1
CAPPED_DATA	1	len	1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	1	len	unit_byte
HALF_LOCKED2		&instance->reset_mutex
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		flags
HALF_LOCKED2		io_lock

drivers/scsi/scsi_logging.c scsi_print_command() -> hex_dump_to_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	buf	4096-ptr_max
PARAM_VALUE	0	*buf	0-255
PARAM_VALUE	1	len	0-16
PARAM_VALUE	2	rowsize	16
PARAM_VALUE	3	groupsize	1
PARAM_VALUE	5	linebuflen	1-128
PARAM_VALUE	6	ascii	0
BUF_SIZE	0	buf	32
FUZZY_MAX	1	len	16
HARD_MAX	1	len	16
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	1	len	unit_byte
HALF_LOCKED2		&instance->reset_mutex
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		flags
HALF_LOCKED2		io_lock