syzbot has bisected this bug to:
commit 181e448d8709e517c9c7b523fcd209f24eb38ca7
Author: Jens Axboe <axboe@xxxxxxxxx>
Date: Mon Nov 25 15:52:30 2019 +0000
io_uring: async workers should inherit the user creds
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10424ceae00000
start commit: b94ae8ad Merge tag 'seccomp-v5.5-rc1' of git://git.kernel...
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=12424ceae00000
console output: https://syzkaller.appspot.com/x/log.txt?x=14424ceae00000
kernel config: https://syzkaller.appspot.com/x/.config?x=ff560c3de405258c
dashboard link: https://syzkaller.appspot.com/bug?extid=5320383e16029ba057ff
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12dd682ae00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16290abce00000
Reported-by: syzbot+5320383e16029ba057ff@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 181e448d8709 ("io_uring: async workers should inherit the user
creds")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
