Defined in 2 files as a function:
Referenced in 1 files:
Smatch caller information:
drivers/gpu/drm/drm_gem.c drm_gem_get_unmapped_area() -> (struct file_operations)->get_unmapped_area()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | file | 4096-ptr_max |
| PARAM_VALUE | 0 | file->f_op | 4096-ptr_max |
| PARAM_VALUE | 0 | file->f_op->get_unmapped_area | 1-u64max |
| PARAM_VALUE | 3 | pgoff | 0 |
| DATA_SOURCE | 1 | addr | $1 |
| DATA_SOURCE | 2 | len | $2 |
| DATA_SOURCE | 4 | flags | $4 |
| CONTAINER | 0 | *(-152-80+0) | $(-1) |
| NOSPEC | 2 | len | |
| NOSPEC | 2 | len | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 1 | addr | 0-u64max |
| USER_DATA | 2 | len | 0-s32max[c] |
| USER_DATA | 4 | flags | 0-u64max |
ipc/shm.c shm_get_unmapped_area() -> (struct file_operations)->get_unmapped_area()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | file | 4096-ptr_max |
| PARAM_VALUE | 0 | file->f_op | 4096-ptr_max |
| DATA_SOURCE | 1 | addr | $1 |
| DATA_SOURCE | 2 | len | $2 |
| DATA_SOURCE | 3 | pgoff | $3 |
| DATA_SOURCE | 4 | flags | $4 |
| CONTAINER | 0 | *(-152-80+0) | $(-1) |
| NOSPEC | 2 | len | |
| NOSPEC | 2 | len | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 1 | addr | 0-u64max |
| USER_DATA | 2 | len | 0-s32max[c] |
| USER_DATA | 3 | pgoff | 0-s32max[c] |
| USER_DATA | 4 | flags | 0-u64max |
| NO_OVERFLOW_SIMPLE | 3 | pgoff |
mm/mmap.c __get_unmapped_area() -> __get_unmapped_area ptr get_area()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | file | 0,4096-ptr_max |
| PARAM_VALUE | 0 | file->f_op | 4096-ptr_max |
| PARAM_VALUE | 0 | file->f_op->get_unmapped_area | 1-u64max |
| BUF_SIZE | 0 | file | (-1)-s32max |
| BUF_SIZE | 0 | file | (-1)-s32max |
| BUF_SIZE | 0 | file->f_op | (-1),272 |
| BUF_SIZE | 0 | file->private_data | (-1),32 |
| CAPPED_DATA | 2 | len | 1 |
| CAPPED_DATA | 2 | len | 1 |
| DATA_SOURCE | 0 | file | $0 |
| DATA_SOURCE | 1 | addr | $1 |
| DATA_SOURCE | 2 | len | $2 |
| DATA_SOURCE | 3 | pgoff | $3 [m] |
| DATA_SOURCE | 4 | flags | $4 |
| NOSPEC | 1 | addr | |
| NOSPEC | 2 | len | |
| NOSPEC | 3 | pgoff | |
| NOSPEC | 3 | pgoff | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | file->f_flags | 0-18433,32770 |
| USER_DATA | 0 | file->f_mode | 33554432,34078720-571342855[c] |
| USER_DATA | 1 | addr | 0-u64max |
| USER_DATA | 2 | len | 0-s32max[c] |
| USER_DATA | 3 | pgoff | 0-s32max[c] |
| USER_DATA | 4 | flags | 0-u64max |
| NO_OVERFLOW_SIMPLE | 0 | file->f_inode->i_blkbits | |
| NO_OVERFLOW_SIMPLE | 0 | file->f_inode->i_size | |
| NO_OVERFLOW_SIMPLE | 0 | file->f_path.d_inode->i_size | |
| NO_OVERFLOW_SIMPLE | 3 | pgoff | |
| UNITS | 1 | addr | unit_byte |
| UNITS | 2 | len | unit_byte |
| UNITS | 3 | pgoff | unit_page |
| HALF_LOCKED2 | &mm->mmap_lock |