Open Menu /

Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

mm/mprotect.c can_change_private_pte_writable() -> maybe_change_pte_writable()

Type Parameter Key Value
PARAM_VALUE 0 vma 4096-ptr_max
PARAM_VALUE 0 vma->flags.__vma_flags 4096-ptr_max
BUF_SIZE 0 vma (-1),4,24,64,168-s32max
BUF_SIZE 0 vma (-1),4,24,64,168-s32max
CAPPED_DATA 0 vma 1
DATA_SOURCE 0 vma $0
DATA_SOURCE 1 pte $2
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 0 vma->vm_file->f_mapping->host->i_bytes
NO_OVERFLOW_SIMPLE 0 vma->vm_pgoff
HALF_LOCKED2 &mm->mmap_lock
HALF_LOCKED2 rcu_read
HALF_LOCKED2 vmf->ptl

mm/mprotect.c can_change_shared_pte_writable() -> maybe_change_pte_writable()

Type Parameter Key Value
PARAM_VALUE 0 vma 4096-ptr_max
PARAM_VALUE 0 vma->flags.__vma_flags 4096-ptr_max
BUF_SIZE 0 vma (-1),4,24,64,168-s32max
BUF_SIZE 0 vma (-1),4,24,64,168-s32max
CAPPED_DATA 0 vma 1
DATA_SOURCE 0 vma $0
DATA_SOURCE 1 pte $1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 vma->vm_end 1-u64max[c]
USER_DATA 0 vma->vm_start 1-u64max[c]
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 &mm->mmap_lock
HALF_LOCKED2 ptl

mm/mprotect.c set_write_prot_commit_flush_ptes() -> maybe_change_pte_writable()

Type Parameter Key Value
PARAM_VALUE 0 vma 4096-ptr_max
PARAM_VALUE 0 vma->flags.__vma_flags 4096-ptr_max
DATA_SOURCE 0 vma $0
DATA_SOURCE 1 pte $6
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 vma->vm_end 1-u64max[c]
USER_DATA 0 vma->vm_start 1-u64max[c]
NO_OVERFLOW_SIMPLE 0 vma->vm_start
LOCK2 ptl
HALF_LOCKED2 &mm->mmap_lock