Defined in 2 files as a prototype:
Defined in 1 files as a function:
Referenced in 3 files:
Smatch caller information:
mm/huge_memory.c vma_wants_manual_pte_write_upgrade() -> vma_wants_writenotify()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| DATA_SOURCE | 0 | vma | $0 |
| BIT_INFO | 0 | vma->vm_flags | 0x8,0xffffffffffffffff |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &pool->lock |
mm/mmap.c vma_set_page_prot() -> vma_wants_writenotify()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| BUF_SIZE | 0 | vma | (-1)-s32max |
| BUF_SIZE | 0 | vma | (-1)-s32max |
| BUF_SIZE | 0 | vma->vm_mm | (-1),1-s32max |
| CAPPED_DATA | 0 | vma | 1 |
| DATA_SOURCE | 0 | vma | $0 |
| DATA_SOURCE | 1 | vm_page_prot | r vma_pgprot_modify |
| NOSPEC | 0 | vma->vm_start | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | vma->shared.rb_subtree_last | 0-9007199254740989,u64max[u] |
| USER_DATA | 0 | vma->vm_pgoff | 0-524287[c] |
| USER_DATA | 0 | vma->vm_start | 0-u64max[c] |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_end | |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_file->f_mapping->host->i_bytes | |
| UNITS | 0 | vma | unit_byte |
| HALF_LOCKED2 | &mm->mmap_lock |
mm/userfaultfd.c vma_wants_manual_pte_write_upgrade() -> vma_wants_writenotify()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| DATA_SOURCE | 0 | vma | $0 |
| BIT_INFO | 0 | vma->vm_flags | 0x8,0xffffffffffffffff |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_end | |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_file->f_mapping->host->i_bytes | |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_pgoff | |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_start | |
| HALF_LOCKED2 | &ctx->map_changing_lock | ||
| HALF_LOCKED2 | &dst_mm->mmap_lock | ||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | _T->lock | ||
| TYPE_LOCK | (struct mm_struct)->mmap_lock |
mm/mprotect.c vma_wants_manual_pte_write_upgrade() -> vma_wants_writenotify()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 0 | vma->flags.__vma_flags | 4096-ptr_max |
| CAPPED_DATA | 0 | vma | 1 |
| DATA_SOURCE | 0 | vma | $0 |
| BIT_INFO | 0 | vma->vm_flags | 0x8,0xffffffffffffffff |
| USER_DATA | 0 | vma->vm_start | 1-u64max[c] |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_end | |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_start | |
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &tsk->signal->exec_update_lock |
mm/memory.c vma_wants_manual_pte_write_upgrade() -> vma_wants_writenotify()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 0 | vma->vm_flags | 1-u64max |
| BUF_SIZE | 0 | vma | (-1),1-s32max |
| BUF_SIZE | 0 | vma | (-1),1-s32max |
| CAPPED_DATA | 0 | vma | 1 |
| DATA_SOURCE | 0 | vma | $0 |
| BIT_INFO | 0 | vma->vm_flags | 0x8,0xffffffffffffffff |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | rcu_read | ||
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | &pool->lock | ||
| HALF_LOCKED2 | vmf->ptl |