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Defined in 2 files as a function:

Referenced in 2 files:

Smatch caller information:

arch/x86/kernel/unwind_orc.c deref_stack_iret_regs() -> stack_access_ok()

Type Parameter Key Value
PARAM_VALUE 0 state 203157205208690688,1166496065046179840,4478616676633214976,5620292609999732736,6627325413077086208,9036986890927263744
PARAM_VALUE 0 state->graph_idx 0-2147483646
PARAM_VALUE 0 state->regs 0,4096-ptr_max
PARAM_VALUE 0 state->sp 0
PARAM_VALUE 0 state->stack_info.end 0,4096-u64max
PARAM_VALUE 0 state->stack_info.type 1-2,4
PARAM_VALUE 0 state->stack_mask 0,2-u64max
PARAM_VALUE 2 len 40
BUF_SIZE 0 state->regs (-1),168
DATA_SOURCE 0 state $0
DATA_SOURCE 1 _addr $1
STR_LEN 0 state (-1)-2,8,24
STR_LEN 0 state (-1)-2,8,24
STR_LEN 0 state->task (-1)-0,2
MEM_ZERO 0 state
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 state->prev_regs->ax 0-u64max
USER_DATA 0 state->prev_regs->cx 0-u64max
USER_DATA 0 state->prev_regs->r11 0-u64max
USER_DATA 0 state->regs->ax 0-u64max
USER_DATA 0 state->regs->cx 0-u64max
USER_DATA 0 state->regs->r11 0-u64max
UNITS 1 _addr unit_byte
UNITS 2 len unit_byte
LOCK2 rcu_read
HALF_LOCKED2 &m->lock
HALF_LOCKED2 &p->pi_lock
HALF_LOCKED2 &p->signal->exec_update_lock
HALF_LOCKED2 irq

arch/x86/kernel/unwind_orc.c deref_stack_reg() -> stack_access_ok()

Type Parameter Key Value
PARAM_VALUE 0 state 203157205208690688,1166496065046179840,4478616676633214976,5620292609999732736,6627325413077086208,9036986890927263744
PARAM_VALUE 0 state->graph_idx 0-2147483646
PARAM_VALUE 0 state->regs 0,4096-ptr_max
PARAM_VALUE 0 state->stack_info.end 0,4096-u64max
PARAM_VALUE 0 state->stack_info.type 1-2,4
PARAM_VALUE 0 state->stack_mask 0,2-u64max
PARAM_VALUE 2 len 8
BUF_SIZE 0 state->prev_regs (-1)-0,168
BUF_SIZE 0 state->regs (-1),168
CAPPED_DATA 0 state->stack_info.end 1
DATA_SOURCE 0 state $0
DATA_SOURCE 1 _addr $1
STR_LEN 0 state (-1)-2,8,24
STR_LEN 0 state (-1)-2,8,24
STR_LEN 0 state->task (-1)-0,2
MEM_ZERO 0 state
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 state->prev_regs->ax 0-u64max
USER_DATA 0 state->prev_regs->cx 0-u64max
USER_DATA 0 state->prev_regs->r11 0-u64max
USER_DATA 0 state->regs->ax 0-u64max
USER_DATA 0 state->regs->cx 0-u64max
USER_DATA 0 state->regs->r11 0-u64max
UNITS 1 _addr unit_byte
UNITS 2 len unit_byte
LOCK2 rcu_read
HALF_LOCKED2 &m->lock
HALF_LOCKED2 &p->pi_lock
HALF_LOCKED2 &p->signal->exec_update_lock
HALF_LOCKED2 irq

arch/x86/kernel/unwind_orc.c deref_stack_regs() -> stack_access_ok()

Type Parameter Key Value
PARAM_VALUE 0 state 203157205208690688,1166496065046179840,4478616676633214976,5620292609999732736,6627325413077086208,9036986890927263744
PARAM_VALUE 0 state->graph_idx 0-2147483646
PARAM_VALUE 0 state->regs 0,4096-ptr_max
PARAM_VALUE 0 state->sp 0
PARAM_VALUE 0 state->stack_info.end 0,4096-u64max
PARAM_VALUE 0 state->stack_info.type 1-2,4
PARAM_VALUE 0 state->stack_mask 0,2-u64max
PARAM_VALUE 2 len 168
BUF_SIZE 0 state->regs (-1),168
DATA_SOURCE 0 state $0
DATA_SOURCE 1 _addr $1
STR_LEN 0 state (-1)-2,8,24
STR_LEN 0 state (-1)-2,8,24
STR_LEN 0 state->task (-1)-0,2
MEM_ZERO 0 state
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 state->prev_regs->ax 0-u64max
USER_DATA 0 state->prev_regs->cx 0-u64max
USER_DATA 0 state->prev_regs->r11 0-u64max
USER_DATA 0 state->regs->ax 0-u64max
USER_DATA 0 state->regs->cx 0-u64max
USER_DATA 0 state->regs->r11 0-u64max
UNITS 1 _addr unit_byte
UNITS 2 len unit_byte
LOCK2 rcu_read
HALF_LOCKED2 &m->lock
HALF_LOCKED2 &p->pi_lock
HALF_LOCKED2 &p->signal->exec_update_lock
HALF_LOCKED2 irq