Defined in 2 files as a prototype:
- arch/x86/include/asm/ptrace.h, line 386 (as a prototype)
- include/linux/uaccess.h, line 579 (as a prototype)
Defined in 1 files as a function:
Referenced in 57 files:
- arch/arm/kernel/ftrace.c, line 109
- arch/arm/kernel/kgdb.c, line 259
- arch/arm64/kernel/patching.c, line 59
- arch/csky/kernel/ftrace.c, line 75
- arch/loongarch/kernel/inst.c, line 200
- arch/mips/kernel/kprobes.c, line 92
- arch/parisc/kernel/ftrace.c, line 171
- arch/parisc/kernel/kgdb.c, line 158
- arch/parisc/kernel/unwind.c, line 315
- arch/powerpc/kernel/module_64.c
- arch/powerpc/perf/core-book3s.c, line 467
- arch/riscv/kernel/ftrace.c, line 64
- arch/s390/kernel/dis.c, line 497
- arch/s390/kernel/ftrace.c
- arch/s390/kernel/kprobes.c, line 91
- arch/s390/net/bpf_jit_comp.c
- arch/sh/kernel/ftrace.c
- arch/sh/kernel/io_trapped.c, line 283
- arch/sh/kernel/traps_32.c
- arch/x86/coco/sev/vc-handle.c, line 131
- arch/x86/coco/tdx/tdx.c, line 591
- arch/x86/include/asm/ptrace.h, line 406
- arch/x86/kernel/cfi.c
- arch/x86/kernel/cpu/mce/severity.c, line 245
- arch/x86/kernel/dumpstack.c, line 77
- arch/x86/kernel/ftrace.c
- arch/x86/kernel/kgdb.c, line 736
- arch/x86/kernel/kprobes/core.c
- arch/x86/kernel/kprobes/opt.c, line 62
- arch/x86/kernel/traps.c, line 761
- arch/x86/mm/fault.c, line 499
- arch/x86/xen/enlighten_pv.c, line 485
- drivers/char/mem.c, line 141
- drivers/dio/dio.c
- drivers/input/serio/hp_sdc.c, line 1025
- drivers/misc/kgdbts.c
- drivers/video/fbdev/hpfb.c, line 407
- fs/d_path.c, line 50
- fs/proc/kcore.c, line 595
- include/linux/bpf.h, line 3578
- include/linux/bpfptr.h, line 54
- include/linux/uaccess.h, line 649
- kernel/bpf/btf.c, line 1424
- kernel/bpf/helpers.c, line 954
- kernel/debug/debug_core.c, line 160
- kernel/debug/gdbstub.c, line 249
- kernel/debug/kdb/kdb_main.c, line 2196
- kernel/debug/kdb/kdb_support.c
- kernel/kthread.c, line 255
- kernel/sched/ext/ext.c
- kernel/trace/bpf_trace.c
- kernel/trace/ftrace.c, line 2180
- kernel/trace/trace_probe_kernel.h
- kernel/workqueue.c
- mm/kfence/kfence_test.c, line 398
- mm/kmsan/kmsan_test.c, line 728
- mm/maccess.c, line 53
Smatch caller information:
mm/kfence/kfence_test.c test_use_after_free_read_nofault() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 8662833698403655680 |
| PARAM_VALUE | 2 | size | 1 |
| BUF_SIZE | 1 | src | (-1)-s32max |
| DATA_SOURCE | 1 | src | r test_alloc |
arch/x86/kernel/dumpstack.c copy_code() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 7836598759326162944 |
| PARAM_VALUE | 2 | size | 64 |
| BUF_SIZE | 0 | dst | 64 |
| DATA_SOURCE | 0 | dst | $1 |
| DATA_SOURCE | 1 | src | $2 |
| DATA_SOURCE | 2 | size | $3 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 2 | size | unit_byte |
kernel/trace/trace_fprobe.c fetch_store_strlen() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 6089354998117367808 |
| PARAM_VALUE | 0 | *dst | 0-255 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 1 | *src | 0-255 |
| PARAM_VALUE | 2 | size | 1 |
| UNITS | 1 | src | unit_byte |
| HALF_LOCKED2 | rcu_read |
kernel/trace/trace_fprobe.c probe_mem_read() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| BUF_SIZE | 0 | dst | (-1),8 |
| BUF_SIZE | 0 | dst | (-1),8 |
| DATA_SOURCE | 0 | dst | $0 |
| DATA_SOURCE | 1 | src | $1 |
| DATA_SOURCE | 2 | size | $2 |
| UNITS | 0 | dst | unit_byte |
| UNITS | 1 | src | unit_byte |
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | rcu_read |
kernel/trace/trace_fprobe.c regs_get_kernel_stack_nth() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 8569109266832830464 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 2 | size | 8 |
| BUF_SIZE | 0 | dst | 8 |
| DATA_SOURCE | 1 | src | r regs_get_kernel_stack_nth_addr |
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | rcu_read |
kernel/kthread.c kthread_probe_data() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 1428342183044788224 |
| PARAM_VALUE | 0 | *dst | 0 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 2 | size | 8 |
| BUF_SIZE | 0 | dst | 8 |
| BUF_SIZE | 1 | src | 8 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | flags |
kernel/bpf/bpf_iter.c copy_from_bpfptr_offset() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 5086374328987889664 |
| PARAM_VALUE | 2 | size | 0-16 |
| BUF_SIZE | 0 | dst | 16 |
| BUF_SIZE | 0 | dst | 16 |
| CAPPED_DATA | 2 | size | 1 |
| CAPPED_DATA | 2 | size | 1 |
| DATA_SOURCE | 0 | dst | $0 |
| DATA_SOURCE | 2 | size | $3 |
| NO_OVERFLOW_SIMPLE | 2 | size | |
| UNITS | 2 | size | unit_byte |
arch/x86/kernel/cpu/mce/severity.c is_copy_from_user() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 7735347884987183104 |
| PARAM_VALUE | 2 | size | 15 |
| BUF_SIZE | 0 | dst | 15 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | flags |
kernel/debug/kdb/kdb_main.c kdb_ps1() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 7052539393048231936 |
| PARAM_VALUE | 1 | src | 1-u64max |
| PARAM_VALUE | 2 | size | 8 |
| BUF_SIZE | 0 | dst | 8 |
| DATA_SOURCE | 1 | src | $0 |
| STR_LEN | 0 | dst | (-1),1 |
| STR_LEN | 1 | src | (-1),1 |
| UNITS | 1 | src | unit_byte |
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | rcu_read |
fs/inode.c dump_inode() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 6238130013958598656 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 2 | size | 8 |
| BUF_SIZE | 0 | dst | 8 |
| BUF_SIZE | 1 | src | 8 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | &inode->i_lock | ||
| HALF_LOCKED2 | &sb->s_inode_list_lock | ||
| HALF_LOCKED2 | rcu_read |
fs/inode.c dump_inode() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 601921767664168960 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 2 | size | 2 |
| BUF_SIZE | 0 | dst | 2 |
| BUF_SIZE | 1 | src | 2 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 2 | size | unit_byte |
| USER_PTR | 1 | src | |
| HALF_LOCKED2 | &inode->i_lock | ||
| HALF_LOCKED2 | &sb->s_inode_list_lock | ||
| HALF_LOCKED2 | rcu_read |
fs/inode.c dump_inode() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 605415969494417408 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 1 | *src | 0-u16max |
| PARAM_VALUE | 2 | size | 2 |
| BUF_SIZE | 0 | dst | 2 |
| BUF_SIZE | 1 | src | 2 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | &inode->i_lock | ||
| HALF_LOCKED2 | &sb->s_inode_list_lock | ||
| HALF_LOCKED2 | rcu_read |
fs/inode.c dump_inode() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 5879880103115677696 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 2 | size | 4 |
| BUF_SIZE | 0 | dst | 4 |
| BUF_SIZE | 1 | src | 4 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | &inode->i_lock | ||
| HALF_LOCKED2 | &sb->s_inode_list_lock | ||
| HALF_LOCKED2 | rcu_read |
fs/inode.c dump_inode() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 8827039748345958400 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 2 | size | 8 |
| BUF_SIZE | 0 | dst | 8 |
| BUF_SIZE | 1 | src | 8 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | &inode->i_lock | ||
| HALF_LOCKED2 | &sb->s_inode_list_lock | ||
| HALF_LOCKED2 | rcu_read |
fs/inode.c dump_inode() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 650272769507307520 |
| PARAM_VALUE | 1 | src | 1-u64max |
| PARAM_VALUE | 2 | size | 8 |
| BUF_SIZE | 0 | dst | 8 |
| BUF_SIZE | 1 | src | 8 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | &inode->i_lock | ||
| HALF_LOCKED2 | &sb->s_inode_list_lock | ||
| HALF_LOCKED2 | rcu_read |
fs/inode.c dump_mapping() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 4285752973113622528 |
| PARAM_VALUE | 1 | src | 1-u64max |
| PARAM_VALUE | 2 | size | 8 |
| BUF_SIZE | 0 | dst | 8 |
| BUF_SIZE | 1 | src | 8 |
| UNITS | 2 | size | unit_byte |
fs/inode.c dump_mapping() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 681676315716177920 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 2 | size | 8 |
| BUF_SIZE | 0 | dst | 8 |
| BUF_SIZE | 1 | src | 8 |
| UNITS | 2 | size | unit_byte |
fs/inode.c dump_mapping() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 7026939128100687872 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 2 | size | 8 |
| BUF_SIZE | 0 | dst | 8 |
| BUF_SIZE | 1 | src | 8 |
| UNITS | 2 | size | unit_byte |
fs/inode.c dump_mapping() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 3451044410287173632 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 2 | size | 8 |
| BUF_SIZE | 0 | dst | 8 |
| BUF_SIZE | 1 | src | 8 |
| UNITS | 2 | size | unit_byte |
fs/inode.c dump_mapping() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 5549860588966146048 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 2 | size | 328 |
| BUF_SIZE | 0 | dst | 328 |
| UNITS | 2 | size | unit_byte |
arch/x86/mm/fault.c bad_address() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 3115540967037710336 |
| PARAM_VALUE | 2 | size | 8 |
| BUF_SIZE | 0 | dst | 8 |
| DATA_SOURCE | 1 | src | $0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 2 | size | unit_byte |
| LOCK2 | flags |
arch/x86/mm/fault.c check_prefetch_opcode() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 2 | size | 1 |
| DATA_SOURCE | 1 | src | $1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 2 | size | unit_byte |
arch/x86/mm/fault.c is_prefetch() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 7359919684260954112 |
| PARAM_VALUE | 1 | src | 0-18446744073709547519 |
| PARAM_VALUE | 2 | size | 1 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 2 | size | unit_byte |
arch/x86/mm/fault.c show_ldttss() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 799163658012454912 |
| PARAM_VALUE | 2 | size | 16 |
| BUF_SIZE | 0 | dst | 16 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 1 | src | unit_byte |
| UNITS | 2 | size | unit_byte |
| LOCK2 | flags |
kernel/bpf/syscall.c copy_from_bpfptr_offset() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| BUF_SIZE | 0 | dst | (-1),24,32,168 |
| BUF_SIZE | 0 | dst | (-1),24,32,168 |
| DATA_SOURCE | 0 | dst | $0 |
| DATA_SOURCE | 2 | size | $3 |
| PARAM_COMPARE | 0 | dst | == $2 |
| USER_DATA | 2 | size | 0-167[c] |
| UNITS | 2 | size | unit_byte |
| BYTE_COUNT | 0 | ==dst2 | 8050 |
kernel/debug/debug_core.c kgdb_arch_set_breakpoint() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | src | 0-3556549974045937663,6432617772963328000-u64max |
| PARAM_VALUE | 2 | size | 1 |
| BUF_SIZE | 0 | dst | 1 |
| UNITS | 1 | src | unit_byte |
| HALF_LOCKED2 | rcu_read |
arch/x86/kernel/kprobes/core.c __copy_instruction() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | src | 1-u64max |
| PARAM_VALUE | 2 | size | 15 |
| BUF_SIZE | 0 | dst | (-1),15 |
| BUF_SIZE | 1 | src | (-1),15 |
| BUF_SIZE | 1 | src | (-1),15 |
| DATA_SOURCE | 0 | dst | $0 |
| DATA_SOURCE | 1 | src | r recover_probed_instruction |
| LOCK2 | _T->lock | ||
| HALF_LOCKED2 | global &fei_lock | ||
| HALF_LOCKED2 | global &jump_label_mutex |
arch/x86/kernel/kprobes/core.c __recover_probed_insn() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 4844206805785776128,5196641187005349888,8916573648655982592 |
| PARAM_VALUE | 2 | size | 15 |
| BUF_SIZE | 0 | dst | 15 |
| CAPPED_DATA | 1 | src | 1 |
| CAPPED_DATA | 1 | src | 1 |
| DATA_SOURCE | 0 | dst | $0 |
| DATA_SOURCE | 1 | src | $1 |
| UNITS | 1 | src | unit_byte |
| LOCK2 | _T->lock | ||
| HALF_LOCKED2 | global &fei_lock | ||
| HALF_LOCKED2 | global &jump_label_mutex |
arch/x86/kernel/kgdb.c kgdb_arch_set_breakpoint() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | src | 0-3556549974045937663,6432617772963328000-u64max |
| PARAM_VALUE | 2 | size | 1 |
| BUF_SIZE | 0 | dst | 1 |
| UNITS | 1 | src | unit_byte |
| HALF_LOCKED2 | rcu_read |
fs/d_path.c prepend_copy() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 2 | size | 0-s32max,18446744071562067968-u64max |
| BUF_SIZE | 1 | src | s32min-(-1),1-s32max |
| BUF_SIZE | 1 | src | s32min-(-1),1-s32max |
| CAPPED_DATA | 2 | size | 1 |
| DATA_SOURCE | 0 | dst | $0 |
| DATA_SOURCE | 1 | src | $1 |
| DATA_SOURCE | 2 | size | $2 |
| NOSPEC | 0 | dst | |
| NOSPEC | 2 | size | |
| NOSPEC | 2 | size | |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 2 | size | 0-4096[c] |
| UNITS | 0 | dst | unit_byte |
| UNITS | 1 | src | unit_byte |
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | rcu_read |
arch/x86/kernel/traps.c get_kernel_gp_address() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 3855593192085209088 |
| PARAM_VALUE | 2 | size | 15 |
| BUF_SIZE | 0 | dst | 15 |
| PREEMPT_ADD |
kernel/debug/gdbstub.c kgdb_mem2hex() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 2 | size | 0-s32max,18446744071562067968-u64max |
| BUF_SIZE | 1 | src | (-1),16,31,160 |
| DATA_SOURCE | 1 | src | $0 |
| DATA_SOURCE | 2 | size | $2 |
| STR_LEN | 0 | dst | (-1)-30 |
| PARAM_COMPARE | 0 | dst | > $2 |
| PARAM_COMPARE | 2 | size | < $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | rcu_read |
arch/x86/coco/sev/vc-handle.c vc_fetch_insn_kernel() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 3848120782719176704 |
| PARAM_VALUE | 2 | size | 15 |
| BUF_SIZE | 0 | dst | 15 |
| DATA_SOURCE | 0 | dst | $1 |
| PREEMPT_ADD |
kernel/trace/trace_events_synth.c fetch_store_strlen() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 986552144537935872 |
| PARAM_VALUE | 0 | *dst | 0-255 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 1 | *src | 0-255 |
| PARAM_VALUE | 2 | size | 1 |
| PREEMPT_ADD |
arch/x86/kernel/probe_roms.c find_oprom() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 1617045942557892608 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 2 | size | 2 |
| BUF_SIZE | 0 | dst | 2 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | &pdev->dev.mutex | ||
| HALF_LOCKED2 | &pool->lock |
arch/x86/kernel/probe_roms.c find_oprom() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 7892234977063215104 |
| PARAM_VALUE | 2 | size | 2 |
| BUF_SIZE | 0 | dst | 2 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | &pdev->dev.mutex | ||
| HALF_LOCKED2 | &pool->lock |
arch/x86/kernel/probe_roms.c find_oprom() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 6238322458649247744 |
| PARAM_VALUE | 2 | size | 2 |
| BUF_SIZE | 0 | dst | 2 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | &pdev->dev.mutex | ||
| HALF_LOCKED2 | &pool->lock |
arch/x86/kernel/probe_roms.c find_oprom() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 913070855812603904 |
| PARAM_VALUE | 2 | size | 2 |
| BUF_SIZE | 0 | dst | 2 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | &pdev->dev.mutex | ||
| HALF_LOCKED2 | &pool->lock |
arch/x86/kernel/probe_roms.c find_oprom() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 1456103805899345920 |
| PARAM_VALUE | 2 | size | 2 |
| BUF_SIZE | 0 | dst | 2 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | &pdev->dev.mutex | ||
| HALF_LOCKED2 | &pool->lock |
arch/x86/kernel/probe_roms.c probe_list() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 696469507060944896 |
| PARAM_VALUE | 0 | *dst | 0-u16max |
| PARAM_VALUE | 2 | size | 2 |
| BUF_SIZE | 0 | dst | 2 |
| DATA_SOURCE | 1 | src | $2 [m] |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | &pdev->dev.mutex | ||
| HALF_LOCKED2 | &pool->lock |
arch/x86/kernel/probe_roms.c probe_roms() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 3936000223180279808 |
| PARAM_VALUE | 1 | src | 18379471554276491266,18446612682070818818 |
| PARAM_VALUE | 2 | size | 1 |
| UNITS | 2 | size | unit_byte |
| LOCK2 | irq |
arch/x86/kernel/probe_roms.c probe_roms() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 3936000223180279808 |
| PARAM_VALUE | 2 | size | 1 |
| UNITS | 2 | size | unit_byte |
| LOCK2 | irq |
arch/x86/kernel/probe_roms.c romchecksum() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 5127498746077147136 |
| PARAM_VALUE | 2 | size | 1 |
| UNITS | 2 | size | unit_byte |
| LOCK2 | irq |
arch/x86/kernel/probe_roms.c romchecksum() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 5127498746077147136 |
| PARAM_VALUE | 2 | size | 1 |
| UNITS | 2 | size | unit_byte |
| LOCK2 | irq |
arch/x86/kernel/probe_roms.c romsignature() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 3317119978328625152 |
| PARAM_VALUE | 2 | size | 2 |
| BUF_SIZE | 0 | dst | 2 |
| DATA_SOURCE | 1 | src | $0 |
| UNITS | 2 | size | unit_byte |
| LOCK2 | irq |
lib/test_lockup.c test_kernel_ptr() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 5726127345198338048 |
| PARAM_VALUE | 1 | src | 1-u64max |
| PARAM_VALUE | 2 | size | 1 |
| DATA_SOURCE | 1 | src | $0 |
| UNITS | 2 | size | unit_byte |
lib/test_lockup.c test_kernel_ptr() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 5726127345198338048 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 2 | size | 1 |
| UNITS | 1 | src | unit_byte |
| UNITS | 2 | size | unit_byte |
lib/test_lockup.c test_magic() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 1056839372540473344 |
| PARAM_VALUE | 0 | *dst | 0 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 2 | size | 4 |
| BUF_SIZE | 0 | dst | 4 |
| UNITS | 2 | size | unit_byte |
arch/x86/xen/enlighten_pv.c set_aliased_prot() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 3825805083550228480 |
| PARAM_VALUE | 2 | size | 1 |
| DATA_SOURCE | 1 | src | $0 |
| PREEMPT_ADD | <- disables preempt | ||
| NOCHECK_CALL |
kernel/trace/trace_probe.c regs_get_kernel_stack_nth() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 1521538823462662144 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 2 | size | 8 |
| BUF_SIZE | 0 | dst | 8 |
| DATA_SOURCE | 1 | src | r regs_get_kernel_stack_nth_addr |
| UNITS | 2 | size | unit_byte |
arch/x86/kernel/ftrace.c addr_from_call() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 3328912121703198720 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 2 | size | 5 |
| BUF_SIZE | 0 | dst | 5 |
| DATA_SOURCE | 1 | src | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 1 | src | unit_byte |
| LOCK2 | &m->lock | ||
| TYPE_LOCK | (struct seq_file)->lock |
arch/x86/kernel/ftrace.c create_trampoline() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 1-u64max |
| PARAM_VALUE | 1 | src | 1006226613209919488,6704573172849111040 |
| PARAM_VALUE | 2 | size | 1881537098489593856,2128908986754379776,7579883658128785408,7827255546393571328 |
| DATA_SOURCE | 0 | dst | r alloc_tramp |
| BIT_INFO | 1 | src | 0xd0245c60248f000,0x5dfffdc743ebf000 |
| BIT_INFO | 1 | src | 0xd0245c60248f000,0x5dfffdc743ebf000 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | _T->lock | ||
| HALF_LOCKED2 | global &ftrace_lock |
arch/x86/kernel/ftrace.c create_trampoline() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 4096-ptr_max |
| PARAM_VALUE | 0 | *dst | 117 |
| PARAM_VALUE | 1 | src | 102 |
| PARAM_VALUE | 1 | *src | 0-255 |
| PARAM_VALUE | 2 | size | 2 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | _T->lock | ||
| HALF_LOCKED2 | global &ftrace_lock |
arch/x86/kernel/ftrace.c ftrace_verify_code() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 2208961659634692096 |
| PARAM_VALUE | 2 | size | 5 |
| BUF_SIZE | 0 | dst | 5 |
| DATA_SOURCE | 1 | src | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 1 | src | unit_byte |
arch/x86/coco/tdx/tdx.c handle_mmio() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 4831557632270970880 |
| PARAM_VALUE | 2 | size | 15 |
| BUF_SIZE | 0 | dst | 15 |
kernel/debug/kdb/kdb_support.c kdb_getarea_size() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 310548685075320832,941268650110021632,3069772278672703488,5340520870643761152,6873939359489830912,7603438255413309440 |
| PARAM_VALUE | 2 | size | 1-2,4,8 |
| BUF_SIZE | 0 | dst | (-1),2,4,8 |
| BUF_SIZE | 0 | dst | (-1),2,4,8 |
| DATA_SOURCE | 0 | dst | $0 |
| DATA_SOURCE | 1 | src | $1 |
| DATA_SOURCE | 2 | size | $2 |
| STR_LEN | 0 | dst | (-1),1 |
| STR_LEN | 0 | dst | (-1),1 |
| STR_LEN | 1 | src | (-1),1 |
| STR_LEN | 1 | src | (-1),1 |
| HARD_MAX | 2 | size | 8 |
| UNITS | 1 | src | unit_byte |
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | rcu_read |
kernel/debug/kdb/kdb_support.c kdb_task_state_char() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 293986741029130240 |
| PARAM_VALUE | 1 | src | 1-u64max |
| PARAM_VALUE | 2 | size | 8 |
| BUF_SIZE | 0 | dst | 8 |
| DATA_SOURCE | 1 | src | $0 |
| STR_LEN | 0 | dst | (-1),1,3 |
| STR_LEN | 1 | src | (-1),1,3 |
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | rcu_read |
kernel/trace/trace.c regs_get_kernel_stack_nth() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 2861076649053634560 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 2 | size | 8 |
| BUF_SIZE | 0 | dst | 8 |
| DATA_SOURCE | 1 | src | r regs_get_kernel_stack_nth_addr |
| PREEMPT_ADD | |||
| RX_PATH | |||
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | flags |
kernel/bpf/btf.c btf_show_obj_safe() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 2 | size | 0-32,18446744071562067968-u64max |
| BUF_SIZE | 0 | dst | 32 |
| BUF_SIZE | 1 | src | (-1)-s32max |
| BUF_SIZE | 1 | src | (-1)-s32max |
| DATA_SOURCE | 1 | src | $2 |
| RX_PATH | |||
| TASK_NOT_RUNNING |
kernel/bpf/btf.c copy_from_bpfptr_offset() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 16,4096-ptr_max |
| PARAM_VALUE | 2 | size | 0-16777216 |
| BUF_SIZE | 0 | dst | 0-16777216 |
| BUF_SIZE | 0 | dst | 0-16777216 |
| DATA_SOURCE | 0 | dst | $0 |
| DATA_SOURCE | 2 | size | $3 |
| FUZZY_MAX | 2 | size | 16777216 |
| PARAM_COMPARE | 0 | dst | == $2 |
| UNITS | 2 | size | unit_byte |
| BYTE_COUNT | 0 | ==dst2 | 8050 |
arch/x86/kernel/kprobes/opt.c __recover_optprobed_insn() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 4844206805785776128,5196641187005349888,8916573648655982592 |
| PARAM_VALUE | 2 | size | 15 |
| BUF_SIZE | 0 | dst | 15 |
| DATA_SOURCE | 0 | dst | $0 |
| DATA_SOURCE | 1 | src | $1 |
| UNITS | 1 | src | unit_byte |
| LOCK2 | _T->lock | ||
| HALF_LOCKED2 | global &fei_lock | ||
| HALF_LOCKED2 | global &jump_label_mutex |
kernel/trace/ftrace.c print_ip_ins() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 418189270568239104 |
| PARAM_VALUE | 2 | size | 5 |
| BUF_SIZE | 0 | dst | 5 |
| DATA_SOURCE | 1 | src | $1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 1 | src | unit_byte |
| HALF_LOCKED2 | global &ftrace_lock |
kernel/bpf/check_btf.c copy_from_bpfptr_offset() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 4096-ptr_max |
| PARAM_VALUE | 2 | size | 8,16 |
| BUF_SIZE | 0 | dst | (-1),16 |
| BUF_SIZE | 0 | dst | (-1),16 |
| DATA_SOURCE | 0 | dst | $0 |
| DATA_SOURCE | 2 | size | $3 |
| HARD_MAX | 2 | size | 16 |
| UNITS | 2 | size | unit_byte |
kernel/bpf/verifier.c copy_from_bpfptr_offset() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 16,4096-ptr_max |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 2 | size | 1-8192 |
| BUF_SIZE | 0 | dst | 1-8192 |
| BUF_SIZE | 0 | dst | 1-8192 |
| DATA_SOURCE | 0 | dst | $0 |
| DATA_SOURCE | 2 | size | $3 |
| FUZZY_MAX | 2 | size | 8192 |
| PARAM_COMPARE | 0 | dst | >= $2 |
| UNITS | 2 | size | unit_byte |
| BYTE_COUNT | 0 | ==dst2 | 8050 |
kernel/trace/trace_functions_graph.c regs_get_kernel_stack_nth() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 7954735604255354880 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 2 | size | 8 |
| BUF_SIZE | 0 | dst | 8 |
| DATA_SOURCE | 1 | src | r regs_get_kernel_stack_nth_addr |
| RX_PATH | |||
| UNITS | 2 | size | unit_byte |
kernel/trace/bpf_trace.c ____bpf_d_path() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 292262068155486208 |
| PARAM_VALUE | 2 | size | 16 |
| BUF_SIZE | 0 | dst | 16 |
| DATA_SOURCE | 1 | src | $0 |
| UNITS | 2 | size | unit_byte |
kernel/trace/bpf_trace.c bpf_probe_read_kernel_common() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| DATA_SOURCE | 0 | dst | $0 |
| DATA_SOURCE | 1 | src | $2 |
| DATA_SOURCE | 2 | size | $1 |
kernel/trace/bpf_trace.c copy_kernel_data_nofault() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 1-u64max |
| BUF_SIZE | 0 | dst | (-1),256 |
| BUF_SIZE | 0 | dst | (-1),256 |
| DATA_SOURCE | 0 | dst | $0 |
| DATA_SOURCE | 1 | src | $1 |
| DATA_SOURCE | 2 | size | $2 |
| UNITS | 2 | size | unit_byte |
| USER_PTR | 0 | dst |
drivers/misc/kgdbts.c run_plant_and_detach_test() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 3821647669502902272 |
| PARAM_VALUE | 1 | src | 7062703687440138240 |
| PARAM_VALUE | 2 | size | 1 |
| BUF_SIZE | 0 | dst | 1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL |
drivers/misc/kgdbts.c run_plant_and_detach_test() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 1620982487317348352 |
| PARAM_VALUE | 1 | src | 7062703687440138240 |
| PARAM_VALUE | 2 | size | 1 |
| BUF_SIZE | 0 | dst | 1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL |
fs/proc/kcore.c read_kcore_iter() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 2 | size | 0-4096 |
| BUF_SIZE | 0 | dst | s32min-(-2),1-s32max |
| CAPPED_DATA | 2 | size | 1 |
| CAPPED_DATA | 2 | size | 1 |
| FUZZY_MAX | 2 | size | 4096 |
| NOSPEC | 2 | size | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 2 | size | 0-4096[c] |
| UNITS | 1 | src | unit_byte |
| UNITS | 2 | size | unit_byte |
| LOCK2 | global &page_offline_rwsem | ||
| HALF_LOCKED2 | &pool->lock |
kernel/workqueue.c print_worker_info() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 2404808440617394176 |
| PARAM_VALUE | 0 | *dst | 0 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 2 | size | 8 |
| BUF_SIZE | 0 | dst | 8 |
| BUF_SIZE | 1 | src | 8 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | flags |
kernel/workqueue.c print_worker_info() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 2158094169785810944 |
| PARAM_VALUE | 0 | *dst | 0 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 2 | size | 8 |
| BUF_SIZE | 0 | dst | 8 |
| BUF_SIZE | 1 | src | 8 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | flags |
kernel/workqueue.c print_worker_info() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 7659098042574266368 |
| PARAM_VALUE | 0 | *dst | 0 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 2 | size | 8 |
| BUF_SIZE | 0 | dst | 8 |
| BUF_SIZE | 1 | src | 8 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | flags |
kernel/workqueue.c print_worker_info() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 5539336159611367424 |
| PARAM_VALUE | 2 | size | 31 |
| BUF_SIZE | 0 | dst | 32 |
| BUF_SIZE | 1 | src | 32 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | flags |
kernel/workqueue.c print_worker_info() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 7317472181384417280 |
| PARAM_VALUE | 2 | size | 31 |
| BUF_SIZE | 0 | dst | 32 |
| BUF_SIZE | 1 | src | 32 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 2 | size | unit_byte |
| HALF_LOCKED2 | flags |
drivers/char/mem.c read_mem() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 4096-ptr_max |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 2 | size | 1-4096 |
| BUF_SIZE | 0 | dst | 4096 |
| CAPPED_DATA | 2 | size | 1 |
| DATA_SOURCE | 0 | dst | r _kmalloc_noprof |
| DATA_SOURCE | 1 | src | r xlate_dev_mem_ptr |
| DATA_SOURCE | 2 | size | r size_inside_page |
| NOSPEC | 2 | size | |
| NOSPEC | 2 | size | |
| USER_DATA | 1 | src | 4096-ptr_max[c][u] |
| USER_DATA | 2 | size | 1-4096[c] |
kernel/bpf/helpers.c bpf_bprintf_prepare() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 947075450990309376 |
| PARAM_VALUE | 2 | size | 4,16 |
| BUF_SIZE | 0 | dst | 16 |
| CAPPED_DATA | 2 | size | 1 |
| CAPPED_DATA | 2 | size | 1 |
| FUZZY_MAX | 2 | size | 16 |
| BIT_INFO | 2 | size | 0x0,0x14 |
| BIT_INFO | 2 | size | 0x0,0x14 |
| HARD_MAX | 2 | size | 16 |
| UNITS | 2 | size | unit_byte |
kernel/bpf/helpers.c bpf_probe_read_kernel_common() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 1-u64max |
| PARAM_VALUE | 1 | src | 1-u64max |
| PARAM_VALUE | 2 | size | 1-4088 |
| BUF_SIZE | 0 | dst | (-1),8 |
| BUF_SIZE | 0 | dst | (-1),8 |
| DATA_SOURCE | 0 | dst | $0 |
| DATA_SOURCE | 1 | src | $2 |
| DATA_SOURCE | 2 | size | $1 |
| UNITS | 2 | size | unit_byte |
kernel/trace/trace_eprobe.c fetch_store_strlen() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 2930013215443558400 |
| PARAM_VALUE | 0 | *dst | 0-255 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 1 | *src | 0-255 |
| PARAM_VALUE | 2 | size | 1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 1 | src | unit_byte |
kernel/trace/trace_eprobe.c probe_mem_read() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| BUF_SIZE | 0 | dst | (-1),8 |
| BUF_SIZE | 0 | dst | (-1),8 |
| DATA_SOURCE | 0 | dst | $0 |
| DATA_SOURCE | 1 | src | $1 |
| DATA_SOURCE | 2 | size | $2 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | dst | unit_byte |
| UNITS | 1 | src | unit_byte |
| UNITS | 2 | size | unit_byte |
kernel/trace/trace_kprobe.c fetch_store_strlen() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 7735871832606732288 |
| PARAM_VALUE | 0 | *dst | 0-255 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 1 | *src | 0-255 |
| PARAM_VALUE | 2 | size | 1 |
| UNITS | 1 | src | unit_byte |
kernel/trace/trace_kprobe.c probe_mem_read() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| BUF_SIZE | 0 | dst | (-1),8 |
| BUF_SIZE | 0 | dst | (-1),8 |
| DATA_SOURCE | 0 | dst | $0 |
| DATA_SOURCE | 1 | src | $1 |
| DATA_SOURCE | 2 | size | $2 |
| UNITS | 0 | dst | unit_byte |
| UNITS | 1 | src | unit_byte |
| UNITS | 2 | size | unit_byte |
kernel/trace/trace_kprobe.c regs_get_kernel_stack_nth() -> copy_from_kernel_nofault()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | dst | 9135109149522190336 |
| PARAM_VALUE | 1 | src | 4096-ptr_max |
| PARAM_VALUE | 2 | size | 8 |
| BUF_SIZE | 0 | dst | 8 |
| DATA_SOURCE | 1 | src | r regs_get_kernel_stack_nth_addr |
| UNITS | 2 | size | unit_byte |