diff options
Diffstat (limited to 'mm/process_vm_access.c')
| -rw-r--r-- | mm/process_vm_access.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/mm/process_vm_access.c b/mm/process_vm_access.c index 5d453e58d..07514d41e 100644 --- a/mm/process_vm_access.c +++ b/mm/process_vm_access.c @@ -98,9 +98,14 @@ static int process_vm_rw_single_vec(unsigned long addr, int pages = min(nr_pages, max_pages_per_loop); size_t bytes; - /* Get the pages we're interested in */ - pages = get_user_pages_unlocked(task, mm, pa, pages, - vm_write, 0, process_pages); + /* + * Get the pages we're interested in. We must + * add FOLL_REMOTE because task/mm might not + * current/current->mm + */ + pages = __get_user_pages_unlocked(task, mm, pa, pages, + vm_write, 0, process_pages, + FOLL_REMOTE); if (pages <= 0) return -EFAULT; |