On Tue, Dec 19, 2017 at 04:19:15PM +0100, Michal Hocko wrote: > Dohh, I have missed resend by Tetsuo http://lkml.kernel.org/r/1513596701-4518-1-git-send-email-penguin-kernel@xxxxxxxxxxxxxxxxxxx > (thanks for dropping me from the CC). Al seeemed to take the patch. We > still need patch 2. Al, are you going to take it from this thread or you > are going to go your way? Umm... git log for-linus in vfs.git since yesterday: commit 9ee332d99e4d5a97548943b81c54668450ce641b Author: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Date: Mon Dec 18 15:05:07 2017 -0500 sget(): handle failures of register_shrinker() Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx> commit bb422a738f6566f7439cd347d54e321e4fe92a9f Author: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx> Date: Mon Dec 18 20:31:41 2017 +0900 mm,vmscan: Make unregister_shrinker() no-op if register_shrinker() failed. Syzbot caught an oops at unregister_shrinker() because combination of commit 1d3d4437eae1bb29 ("vmscan: per-node deferred work") and fault injection made register_shrinker() fail and the caller of register_shrinker() did not check for failure. ....
