On 1/30/19 6:56 AM, Tetsuo Handa wrote: > From fd653e8dd0d5368cd0cd9ccd89cf3001e4584f8a Mon Sep 17 00:00:00 2001 > From: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx> > Date: Wed, 30 Jan 2019 22:21:45 +0900 > Subject: [PATCH] block: pass no-op callback to INIT_WORK(). > > syzbot is hitting flush_work() warning caused by commit 4d43d395fed12463 > ("workqueue: Try to catch flush_work() without INIT_WORK().") [1]. > Although that commit did not expect INIT_WORK(NULL) case, calling > flush_work() without setting a valid callback should be avoided anyway. > Fix this problem by setting a no-op callback instead of NULL. > > [1] https://syzkaller.appspot.com/bug?id=e390366bc48bc82a7c668326e0663be3b91cbd29 Applied, thanks. -- Jens Axboe