Documented in 1 files:
Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
fs/ecryptfs/mmap.c ecryptfs_copy_up_encrypted_with_header() -> ecryptfs_read_lower_page_segment()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio_for_ecryptfs | 4096-ptr_max |
| PARAM_VALUE | 0 | folio_for_ecryptfs->mapping | 4096-ptr_max |
| PARAM_VALUE | 1 | page_index | 0,18446744004991123471-u64max |
| PARAM_VALUE | 2 | offset_in_page | 0-4095 |
| PARAM_VALUE | 3 | size | 0,4096 |
| DATA_SOURCE | 0 | folio_for_ecryptfs | $0 |
| NOSPEC | 0 | folio_for_ecryptfs->mapping->writeback_index | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | folio_for_ecryptfs->mapping->writeback_index | 0-524287[c] |
| UNITS | 1 | page_index | unit_page |
fs/ecryptfs/mmap.c ecryptfs_read_folio() -> ecryptfs_read_lower_page_segment()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio_for_ecryptfs | 4096-ptr_max |
| PARAM_VALUE | 0 | folio_for_ecryptfs->mapping | 4096-ptr_max |
| PARAM_VALUE | 2 | offset_in_page | 0 |
| CAPPED_DATA | 0 | folio_for_ecryptfs | 1 |
| CAPPED_DATA | 0 | folio_for_ecryptfs->mapping | 1 |
| DATA_SOURCE | 0 | folio_for_ecryptfs | $1 |
| NOSPEC | 0 | folio_for_ecryptfs->mapping->writeback_index | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | folio_for_ecryptfs->mapping->writeback_index | 0-524287[c] |
| UNITS | 1 | page_index | unit_page |
| HALF_LOCKED2 | &mapping->invalidate_lock |
fs/ecryptfs/mmap.c ecryptfs_read_folio() -> ecryptfs_read_lower_page_segment()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio_for_ecryptfs | 4096-ptr_max |
| PARAM_VALUE | 0 | folio_for_ecryptfs->mapping | 4096-ptr_max |
| PARAM_VALUE | 2 | offset_in_page | 0 |
| CAPPED_DATA | 0 | folio_for_ecryptfs | 1 |
| CAPPED_DATA | 0 | folio_for_ecryptfs->mapping | 1 |
| DATA_SOURCE | 0 | folio_for_ecryptfs | $1 |
| NOSPEC | 0 | folio_for_ecryptfs->mapping->writeback_index | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | folio_for_ecryptfs->mapping->writeback_index | 0-524287[c] |
| UNITS | 1 | page_index | unit_page |
| HALF_LOCKED2 | &mapping->invalidate_lock |
fs/ecryptfs/mmap.c ecryptfs_write_begin() -> ecryptfs_read_lower_page_segment()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio_for_ecryptfs | 4096-ptr_max |
| PARAM_VALUE | 1 | page_index | 0-2251799813685247,18444492273895866368-u64max |
| PARAM_VALUE | 2 | offset_in_page | 0 |
| PARAM_VALUE | 3 | size | 4096 |
| CAPPED_DATA | 1 | page_index | 1 |
| CAPPED_DATA | 1 | page_index | 1 |
| DATA_SOURCE | 0 | folio_for_ecryptfs | r __filemap_get_folio |
| BIT_INFO | 1 | page_index | 0x0,0x7ffffffffffff |
| BIT_INFO | 1 | page_index | 0x0,0x7ffffffffffff |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | folio_for_ecryptfs->mapping->writeback_index | 0-524287[c] |
| USER_DATA | 1 | page_index | 0-2251799813685247,18444492273895866368-u64max[c] |
| UNITS | 1 | page_index | unit_page |
| UNITS | 3 | size | unit_byte |
| HALF_LOCKED2 | &inode->i_rwsem |
fs/ecryptfs/mmap.c ecryptfs_write_begin() -> ecryptfs_read_lower_page_segment()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio_for_ecryptfs | 4096-ptr_max |
| PARAM_VALUE | 1 | page_index | 0-2251799813685247,18444492273895866368-u64max |
| PARAM_VALUE | 2 | offset_in_page | 0 |
| PARAM_VALUE | 3 | size | 4096 |
| CAPPED_DATA | 1 | page_index | 1 |
| CAPPED_DATA | 1 | page_index | 1 |
| DATA_SOURCE | 0 | folio_for_ecryptfs | r __filemap_get_folio |
| BIT_INFO | 1 | page_index | 0x0,0x7ffffffffffff |
| BIT_INFO | 1 | page_index | 0x0,0x7ffffffffffff |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | folio_for_ecryptfs->mapping->writeback_index | 0-524287[c] |
| USER_DATA | 1 | page_index | 0-2251799813685247,18444492273895866368-u64max[c] |
| UNITS | 1 | page_index | unit_page |
| UNITS | 3 | size | unit_byte |
| HALF_LOCKED2 | &inode->i_rwsem |