On 19.02.25 16:22, Oleg Nesterov wrote:
On 02/18, Tong Tiangen wrote:OK, Before your rewrite last merged, How about i change the solution to just reject them immediately after get_user_page_vma_remote()?I agree, uprobe_write_opcode() should simply fail if is_zero_page(old_page).
Yes. That's currently only syzkaller that triggers it, not some sane use case.
-- Cheers, David / dhildenb