Defined in 2 files as a function:
- include/linux/mmap_lock.h, line 535 (as a function)
- tools/testing/vma/include/dup.h, line 1636 (as a function)
Referenced in 1 files:
Smatch caller information:
mm/util.c vma_set_pgoff() -> vma_assert_can_modify()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 0 | vma->vm_file->f_cred->process_keyring->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 0 | vma->vm_file->f_cred->process_keyring->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 0 | vma->vm_file->f_cred->request_key_auth->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 0 | vma->vm_file->f_cred->request_key_auth->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 0 | vma->vm_file->f_cred->session_keyring->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 0 | vma->vm_file->f_cred->session_keyring->user->qnkeys | s32min-s32max |
| PARAM_VALUE | 0 | vma->vm_file->f_cred->thread_keyring->user->qnbytes | s32min-s32max |
| PARAM_VALUE | 0 | vma->vm_file->f_cred->thread_keyring->user->qnkeys | s32min-s32max |
| BUF_SIZE | 0 | vma | (-1),1-s32max |
| BUF_SIZE | 0 | vma | (-1),1-s32max |
| BUF_SIZE | 0 | vma->vm_file | (-1),1-s32max |
| BUF_SIZE | 0 | vma->vm_private_data | (-1),1-s32max |
| DATA_SOURCE | 0 | vma | $0 |
| NOSPEC | 0 | vma->vm_pgoff | |
| NOSPEC | 0 | vma->vm_start | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 0 | vma->vm_end | 4096-u64max[c] |
| USER_DATA | 0 | vma->vm_pgoff | 0-4503599627370495[c] |
| USER_DATA | 0 | vma->vm_start | 0-18446744073709547520 |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_pgoff | |
| HALF_LOCKED2 | &idev->info_lock | ||
| HALF_LOCKED2 | &ipcp->lock | ||
| HALF_LOCKED2 | &of->mutex |
mm/vma.c vma_add_pgoff() -> vma_assert_can_modify()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 0 | vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | vma->vm_mm | 4096-ptr_max |
| PARAM_VALUE | 0 | vma->vm_userfaultfd_ctx.ctx->map_changing_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | vma->vm_userfaultfd_ctx.ctx->map_changing_lock.first_waiter->type | 0-1 |
| CAPPED_DATA | 0 | vma->vm_start | 1 |
| DATA_SOURCE | 0 | vma | $0 |
| NOSPEC | 0 | vma->vm_start | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 0 | vma->vm_start | 0-u64max[c] |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_end | |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_start | |
| HALF_LOCKED2 | &mm->mmap_lock |
mm/vma.c vma_set_anon_pgoff() -> vma_assert_can_modify()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 0 | vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | vma->vm_refcnt.refs.counter | 0-1 |
| PARAM_VALUE | 0 | vma->vm_userfaultfd_ctx.ctx->map_changing_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | vma->vm_userfaultfd_ctx.ctx->map_changing_lock.first_waiter->type | 0-1 |
| CAPPED_DATA | 0 | vma | 1 |
| DATA_SOURCE | 0 | vma | $0 |
| NOSPEC | 0 | vma->vm_end | |
| NOSPEC | 0 | vma->vm_pgoff | |
| NOSPEC | 0 | vma->vm_start | |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 0 | vma->vm_end | 0-u64max |
| USER_DATA | 0 | vma->vm_pgoff | 0-4503599627370495[c] |
| USER_DATA | 0 | vma->vm_start | 0-u64max |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_file->f_mapping->host->i_bytes | |
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | 0 | &vma->anon_vma->root->rwsem |
mm/vma.c vma_set_pgoff() -> vma_assert_can_modify()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 0 | vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | vma->vm_userfaultfd_ctx.ctx->map_changing_lock.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | vma->vm_userfaultfd_ctx.ctx->map_changing_lock.first_waiter->type | 0-1 |
| CAPPED_DATA | 0 | vma | 1 |
| DATA_SOURCE | 0 | vma | $0 |
| NOSPEC | 0 | vma->vm_end | |
| NOSPEC | 0 | vma->vm_start | |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 0 | vma->vm_end | 0-u64max |
| 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 | |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_start | |
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | 0 | &vma->anon_vma->root->rwsem |
mm/vma.c vma_sub_pgoff() -> vma_assert_can_modify()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 0 | vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | vma->vm_file->f_mapping->i_mmap_rwsem.first_waiter->type | 0-1 |
| CAPPED_DATA | 0 | vma | 1 |
| CAPPED_DATA | 0 | vma->vm_start | 1 |
| DATA_SOURCE | 0 | vma | $0 |
| NOSPEC | 0 | vma->vm_start | |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 0 | vma->vm_start | 0-u64max[c] |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_file->f_mapping->host->i_bytes | |
| HALF_LOCKED2 | &mm->mmap_lock | ||
| HALF_LOCKED2 | 0 | &vma->anon_vma->root->rwsem |