Several race fixes in epoll. The following changes since commit 77f4689de17c0887775bb77896f4cc11a39bf848: fix regression in "epoll: Keep a reference on files added to the check list" (2020-09-02 11:30:48 -0400) are available in the git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git work.epoll for you to fetch changes up to 3701cb59d892b88d569427586f01491552f377b1: ep_create_wakeup_source(): dentry name can change under you... (2020-09-24 19:41:58 -0400) ---------------------------------------------------------------- Al Viro (4): epoll: do not insert into poll queues until all sanity checks are done epoll: replace ->visited/visited_list with generation count epoll: EPOLL_CTL_ADD: close the race in decision to take fast path ep_create_wakeup_source(): dentry name can change under you... fs/eventpoll.c | 72 +++++++++++++++++++++++++--------------------------------- 1 file changed, 31 insertions(+), 41 deletions(-)