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Defined in 3 files as a function:

Referenced in 5 files:

Smatch caller information:

arch/x86/kernel/dumpstack.c __show_trace_log_lvl() -> get_stack_pointer()

Type Parameter Key Value
PARAM_VALUE 0 task->signal->oom_mm->mmap_lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 task->signal->oom_mm->mmap_lock.first_waiter->type 0-1
PARAM_VALUE 1 regs 0,4096-ptr_max
BUF_SIZE 1 regs (-1),168
BUF_SIZE 1 regs (-1),168
CAPPED_DATA 0 task 1
CAPPED_DATA 1 regs 1
DATA_SOURCE 0 task $0
DATA_SOURCE 1 regs $1
STR_LEN 0 task (-1)-2,8,24
STR_LEN 0 task (-1)-2,8,24
STR_LEN 1 regs (-1)-0,2
STR_LEN 1 regs (-1)-0,2
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS 0 task unit_byte

arch/x86/kernel/dumpstack.c show_stack() -> get_stack_pointer()

Type Parameter Key Value
PARAM_VALUE 1 regs 0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 global &show_lock
HALF_LOCKED2 rcu_read

arch/x86/kernel/dumpstack.c unwind_start() -> get_stack_pointer()

Type Parameter Key Value
PARAM_VALUE 0 task->signal->oom_mm->mmap_lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 task->signal->oom_mm->mmap_lock.first_waiter->type 0-1
PARAM_VALUE 1 regs 0,4096-ptr_max
BUF_SIZE 1 regs (-1),168
BUF_SIZE 1 regs (-1),168
CAPPED_DATA 0 task 1
DATA_SOURCE 0 task $1
DATA_SOURCE 1 regs $2
STR_LEN 0 task (-1)-0,2
STR_LEN 0 task (-1)-0,2
STR_LEN 1 regs (-1)-0,2
STR_LEN 1 regs (-1)-0,2
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS 0 task unit_byte

arch/x86/net/bpf_jit_comp.c unwind_start() -> get_stack_pointer()

Type Parameter Key Value
PARAM_VALUE 1 regs 0
DATA_SOURCE 0 task $1
DATA_SOURCE 1 regs $2
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

arch/x86/kernel/process.c unwind_start() -> get_stack_pointer()

Type Parameter Key Value
PARAM_VALUE 0 task 4096-ptr_max
PARAM_VALUE 0 task->__state 1-511,513-u32max
PARAM_VALUE 0 task->alloc_lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 task->on_rq 0
PARAM_VALUE 0 task->pi_lock.dep_map->name 0-255
PARAM_VALUE 0 task->pi_lock.owner_cpu 0
PARAM_VALUE 0 task->pi_lock.raw_lock.val.counter 0-s32max
PARAM_VALUE 0 task->signal 4096-ptr_max
PARAM_VALUE 0 task->signal->exec_update_lock.dep_map->name 0-255
PARAM_VALUE 0 task->signal->exec_update_lock.first_waiter->list.next 2212933610777083904
PARAM_VALUE 0 task->signal->exec_update_lock.first_waiter->list.prev 2212933610777083904
PARAM_VALUE 0 task->signal->exec_update_lock.first_waiter->type 0-1
PARAM_VALUE 0 task->signal->exec_update_lock.wait_lock.dep_map->name 0-255
PARAM_VALUE 0 task->signal->exec_update_lock.wait_lock.owner (-1)
PARAM_VALUE 0 task->signal->exec_update_lock.wait_lock.owner_cpu u32max
PARAM_VALUE 0 task->stack_refcount.refs.counter (-1073741824),0-s32max
PARAM_VALUE 1 regs 0
DATA_SOURCE 0 task $1
DATA_SOURCE 1 regs $2
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2 &m->lock
LOCK2 irq
LOCK2 0 &task->pi_lock
LOCK2 0 &task->signal->exec_update_lock
TYPE_LOCK (struct seq_file)->lock
TYPE_LOCK (struct signal_struct)->exec_update_lock
TYPE_LOCK (struct task_struct)->pi_lock

arch/x86/events/core.c unwind_start() -> get_stack_pointer()

Type Parameter Key Value
PARAM_VALUE 1 regs 0,4096-ptr_max
BUF_SIZE 1 regs (-1),168
BUF_SIZE 1 regs (-1),168
DATA_SOURCE 0 task $1
DATA_SOURCE 1 regs $2
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 regs->ax 0-u64max
USER_DATA 1 regs->cx 0-u64max
USER_DATA 1 regs->r11 0-u64max

arch/x86/kernel/stacktrace.c unwind_start() -> get_stack_pointer()

Type Parameter Key Value
PARAM_VALUE 0 task->signal->exec_update_lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 task->signal->exec_update_lock.first_waiter->type 0-1
PARAM_VALUE 1 regs 0,4096-ptr_max
BUF_SIZE 1 regs (-1),168
BUF_SIZE 1 regs (-1),168
DATA_SOURCE 0 task $1
DATA_SOURCE 1 regs $2
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 0 &task->signal->exec_update_lock