syzbot suspects this issue was fixed by commit:
commit 98b89b649fce39dacb9dc036d6d0fdb8caff73f7
Author: Jens Axboe <ax...@kernel.dk>
Date: Fri Oct 9 22:03:01 2020 +0000
signal: kill JOBCTL_TASK_WORK
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14b99c20d00000
start commit: 7cc2a8ea Merge tag 'block-5.8-2020-07-01' of git://git.ker..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=183dd243398ba7ec
dashboard link: https://syzkaller.appspot.com/bug?extid=4168fa4c45be33afa73c
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=112223b7100000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=154793a3100000
If the result looks correct, please mark the issue as fixed by replying with:
#syz fix: signal: kill JOBCTL_TASK_WORK
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
