Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
kernel/events/uprobes.c build_map_info() -> offset_to_vaddr()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| DATA_SOURCE | 1 | offset | $1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 1 | offset | unit_byte |
| LOCK2 | &mapping->i_mmap_rwsem | ||
| LOCK2 | &uprobe->register_rwsem | ||
| HALF_LOCKED2 | global &event_mutex | ||
| TYPE_LOCK | (struct address_space)->i_mmap_rwsem | ||
| TYPE_LOCK | (struct uprobe)->register_rwsem |
kernel/events/uprobes.c delayed_ref_ctr_inc() -> offset_to_vaddr()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 1 | offset | s64min-(-1),1-s64max |
| CAPPED_DATA | 0 | vma | 1 |
| CAPPED_DATA | 0 | vma->vm_mm | 1 |
| CAPPED_DATA | 0 | vma->vm_start | 1 |
| DATA_SOURCE | 0 | vma | $0 |
| PARAM_COMPARE | 0 | vma->vm_end | > $0->vm_start |
| NOSPEC | 0 | vma->vm_pgoff | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | vma->vm_pgoff | 0-4503599627370495[c] |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_pgoff | |
| LOCK2 | global &delayed_uprobe_lock | ||
| HALF_LOCKED2 | &mm->mmap_lock |
kernel/events/uprobes.c unapply_uprobe() -> offset_to_vaddr()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 1 | offset | s64min-(-2),0-s64max |
| CAPPED_DATA | 1 | offset | 1 |
| CAPPED_DATA | 1 | offset | 1 |
| DATA_SOURCE | 0 | vma | r vma_next |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_file->f_mapping->host->i_bytes | |
| UNITS | 1 | offset | unit_byte |
| LOCK2 | &mm->mmap_lock | ||
| LOCK2 | &uprobe->register_rwsem | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock | ||
| TYPE_LOCK | (struct uprobe)->register_rwsem |
kernel/events/uprobes.c update_ref_ctr() -> offset_to_vaddr()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 1 | offset | s64min-(-1),1-s64max |
| CAPPED_DATA | 0 | vma->vm_start | 1 |
| DATA_SOURCE | 0 | vma | r find_ref_ctr_vma |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &uprobe->register_rwsem |
kernel/events/uprobes.c uprobe_mmap() -> offset_to_vaddr()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| CAPPED_DATA | 0 | vma | 1 |
| DATA_SOURCE | 0 | vma | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_pgoff | |
| UNITS | 1 | offset | unit_byte |
kernel/events/uprobes.c valid_ref_ctr_vma() -> offset_to_vaddr()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 1-u64max |
| BUF_SIZE | 0 | vma | (-1)-s32max |
| BUF_SIZE | 0 | vma | (-1)-s32max |
| DATA_SOURCE | 0 | vma | $1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | vma->shared.rb_subtree_last | 0-u64max[u] |
| USER_DATA | 0 | vma->vm_pgoff | 0-4503599627370495[c] |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_end | |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_start | |
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | global &delayed_uprobe_lock |