Defined in 3 files as a function:
- mm/nommu.c, line 1330 (as a function)
- mm/vma.c, line 637 (as a function)
- tools/testing/selftests/proc/proc-maps-race.c, line 491 (as a function)
Referenced in 3 files:
Smatch caller information:
mm/vma.c vma_modify() -> split_vma()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vmi | 4096-ptr_max |
| PARAM_VALUE | 1 | vma | 4096-ptr_max |
| PARAM_VALUE | 1 | vma->vm_start | 0-18446744073709551614 |
| PARAM_VALUE | 2 | addr | 1-u64max |
| PARAM_VALUE | 3 | new_below | 1 |
| CAPPED_DATA | 1 | vma->vm_start | 1 |
| PARAM_COMPARE | 2 | addr | > $1->vm_start |
| PARAM_COMPARE | 2 | addr | > $1->vm_start |
| NOSPEC | 0 | vmi->mas.index | |
| NOSPEC | 0 | vmi->mas.last | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | vmi->mas.index | 0-u64max |
| USER_DATA | 0 | vmi->mas.last | 0-u64max |
| USER_DATA | 2 | addr | 1-u64max |
| NO_OVERFLOW_SIMPLE | 0 | vmi->mas.sheaf->capacity | |
| UNITS | 2 | addr | unit_byte |
| HALF_LOCKED2 | &mm->mmap_lock |
mm/vma.c vma_modify() -> split_vma()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vmi | 4096-ptr_max |
| PARAM_VALUE | 1 | vma | 4096-ptr_max |
| PARAM_VALUE | 1 | vma->vm_end | 1-u64max |
| PARAM_VALUE | 1 | vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 1 | vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->type | 0-1 |
| PARAM_VALUE | 2 | addr | 0-18446744073709551614 |
| PARAM_VALUE | 3 | new_below | 0 |
| CAPPED_DATA | 2 | addr | 1 |
| CAPPED_DATA | 2 | addr | 1 |
| PARAM_COMPARE | 2 | addr | < $1->vm_end |
| PARAM_COMPARE | 2 | addr | < $1->vm_end |
| NOSPEC | 0 | vmi->mas.index | |
| NOSPEC | 0 | vmi->mas.last | |
| NOSPEC | 1 | vma->vm_pgoff | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | vmi->mas.index | 0-u64max |
| USER_DATA | 0 | vmi->mas.last | 0-u64max |
| USER_DATA | 1 | vma->vm_pgoff | 0-4503599627370495[c] |
| USER_DATA | 1 | vma->vm_start | 1-u64max[c] |
| USER_DATA | 2 | addr | 0-s32max[c] |
| NO_OVERFLOW_SIMPLE | 0 | vmi->mas.sheaf->capacity | |
| UNITS | 2 | addr | unit_byte |
| HALF_LOCKED2 | &mm->mmap_lock |