Documented in 1 files:
Defined in 1 files as a prototype:
Defined in 2 files as a function:
Referenced in 8 files:
- arch/arm/mm/dma-mapping.c, line 1130
- drivers/gpu/drm/rockchip/rockchip_drm_gem.c, line 227
- drivers/gpu/drm/xen/xen_drm_front_gem.c, line 93
- drivers/iommu/dma-iommu.c
- drivers/media/common/videobuf2/videobuf2-dma-sg.c, line 342
- mm/memory.c, line 2779
- mm/nommu.c, line 364
- sound/core/memalloc.c, line 798
Smatch caller information:
sound/core/memalloc.c snd_dma_sg_fallback_mmap() -> vm_map_pages()
| 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)-s32max |
| BUF_SIZE | 0 | vma->vm_ops | (-1),144 |
| BUF_SIZE | 0 | vma->vm_private_data | (-1),1-s32max |
| BUF_SIZE | 1 | pages | 1-s32max |
| DATA_SOURCE | 0 | vma | $1 |
| NOSPEC | 0 | vma->vm_pgoff | |
| NOSPEC | 0 | vma->vm_start | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| 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 |
drivers/iommu/dma-iommu.c iommu_dma_mmap() -> vm_map_pages()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | vma | 4096-ptr_max |
| PARAM_VALUE | 0 | vma->vm_file->f_mapping->host->i_sb->s_export_op->encode_fh | 0,2,1398972869330624512,1616549510479982592,2037984473558433792 |
| PARAM_VALUE | 0 | vma->vm_file->f_mapping->host->i_sb->s_export_op->fh_to_dentry | 0,8684,447817974243774464,687732489194512384,742201802719268864 |
| PARAM_VALUE | 0 | vma->vm_file->f_mapping->host->i_sb->s_export_op->fh_to_parent | 0,5297,148606482432692224,436469935444291584,467281172929331200 |
| PARAM_VALUE | 0 | vma->vm_file->f_mapping->host->i_sb->s_export_op->get_parent | 0,8931,264940071972966400,291591359766798336,565128213429456896 |
| 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_pgoff | 0-4503599627370494 |
| PARAM_VALUE | 1 | pages | 1-u64max |
| PARAM_VALUE | 2 | num | 1-4503599627370495 |
| BUF_SIZE | 0 | vma | (-1),1-s32max |
| BUF_SIZE | 0 | vma | (-1),1-s32max |
| BUF_SIZE | 0 | vma->vm_file | (-1)-s32max |
| BUF_SIZE | 0 | vma->vm_ops | (-1),144 |
| BUF_SIZE | 0 | vma->vm_private_data | (-1),1-s32max |
| BUF_SIZE | 1 | pages | 1-s32max |
| BUF_SIZE | 1 | pages | 1-s32max |
| DATA_SOURCE | 0 | vma | $1 |
| DATA_SOURCE | 1 | pages | r dma_common_find_pages |
| NOSPEC | 0 | vma->vm_end | |
| NOSPEC | 0 | vma->vm_pgoff | |
| NOSPEC | 0 | vma->vm_start | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | vma->pfnmap_track_ctx->pfn | 0-13510803177078779[c] |
| USER_DATA | 0 | vma->pfnmap_track_ctx->size | 0,4096-u64max[c] |
| USER_DATA | 0 | vma->vm_end | 0-u64max |
| USER_DATA | 0 | vma->vm_pgoff | 0-4503599627370494[c] |
| USER_DATA | 0 | vma->vm_start | 0-18446744073709547520 |
| USER_DATA | 2 | num | 1-4503599627370495[c] |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_pgoff | |
| UNITS | 2 | num | unit_page |
| HALF_LOCKED2 | &dev->attach_lock | ||
| HALF_LOCKED2 | &fbi->mm_lock | ||
| HALF_LOCKED2 | &file->device->disassociate_srcu | ||
| HALF_LOCKED2 | &file->disassociation_lock | ||
| HALF_LOCKED2 | &idev->info_lock | ||
| HALF_LOCKED2 | &info->mm_lock | ||
| HALF_LOCKED2 | &q->mutex |
drivers/iommu/dma-iommu.c iommu_dma_mmap_noncontiguous() -> vm_map_pages()
| 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 |
| PARAM_VALUE | 0 | vma->vm_pgoff | 0-4503599627370494 |
| PARAM_VALUE | 2 | num | 1-4503599627370495 |
| BUF_SIZE | 0 | vma | (-1),1-s32max |
| BUF_SIZE | 0 | vma | (-1),1-s32max |
| BUF_SIZE | 0 | vma->vm_file | (-1)-0,4,24,64,168-s32max |
| BUF_SIZE | 0 | vma->vm_ops | (-1),144 |
| BUF_SIZE | 0 | vma->vm_private_data | (-1),1-s32max |
| CAPPED_DATA | 0 | vma->vm_pgoff | 1 |
| DATA_SOURCE | 0 | vma | $1 |
| PARAM_COMPARE | 2 | num | > $0->vm_pgoff |
| PARAM_COMPARE | 2 | num | > $0->vm_pgoff |
| NOSPEC | 0 | vma->vm_pgoff | |
| NOSPEC | 0 | vma->vm_start | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | vma->vm_end | 4096-u64max[c] |
| USER_DATA | 0 | vma->vm_pgoff | 0-s32max[c] |
| USER_DATA | 0 | vma->vm_start | 0-18446744073709547520 |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_pgoff | |
| UNITS | 2 | num | unit_page |
drivers/media/common/videobuf2/videobuf2-dma-sg.c vb2_dma_sg_mmap() -> vm_map_pages()
| 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)-s32max |
| BUF_SIZE | 0 | vma->vm_private_data | (-1),1-s32max |
| BUF_SIZE | 1 | pages | 1-8388600 |
| DATA_SOURCE | 0 | vma | $1 |
| NOSPEC | 0 | vma->vm_pgoff | |
| NOSPEC | 0 | vma->vm_start | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| 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 | &q->mmap_lock |
drivers/gpu/drm/xen/xen_drm_front_gem.c xen_drm_front_gem_object_mmap() -> vm_map_pages()
| 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 |
| PARAM_VALUE | 0 | vma->vm_mm | 4096-ptr_max |
| PARAM_VALUE | 0 | vma->vm_ops | 0,4096-ptr_max |
| PARAM_VALUE | 0 | vma->vm_pgoff | 0 |
| BUF_SIZE | 0 | vma | (-1),1-s32max |
| BUF_SIZE | 0 | vma | (-1),1-s32max |
| BUF_SIZE | 0 | vma->vm_file | (-1)-s32max |
| BUF_SIZE | 0 | vma->vm_private_data | (-1),1-s32max |
| BUF_SIZE | 1 | pages | 1-s32max |
| DATA_SOURCE | 0 | vma | $1 |
| NOSPEC | 0 | vma->vm_start | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | vma->vm_end | 4096-u64max[c] |
| USER_DATA | 0 | vma->vm_start | 0-18446744073709547520 |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_pgoff | |
| UNITS | 2 | num | unit_array_size |
| HALF_LOCKED2 | &info->mm_lock |
drivers/gpu/drm/rockchip/rockchip_drm_gem.c rockchip_drm_gem_object_mmap_iommu() -> vm_map_pages()
| 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 |
| PARAM_VALUE | 0 | vma->vm_mm | 4096-ptr_max |
| PARAM_VALUE | 0 | vma->vm_ops | 0,4096-ptr_max |
| PARAM_VALUE | 0 | vma->vm_pgoff | 0 |
| BUF_SIZE | 0 | vma | (-1),1-s32max |
| BUF_SIZE | 0 | vma | (-1),1-s32max |
| BUF_SIZE | 0 | vma->vm_file | (-1)-s32max |
| BUF_SIZE | 0 | vma->vm_private_data | (-1),1-s32max |
| DATA_SOURCE | 0 | vma | $1 |
| NOSPEC | 0 | vma->vm_start | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | vma->vm_end | 4096-u64max[c] |
| USER_DATA | 0 | vma->vm_start | 0-18446744073709547520 |
| NO_OVERFLOW_SIMPLE | 0 | vma->vm_pgoff | |
| UNITS | 2 | num | unit_page |
| HALF_LOCKED2 | &info->mm_lock |