Re: BUG: sleeping function called from invalid context in __kmalloc

[syzbot]

syzbot has bisected this bug to:

commit 4fbc0c711b2464ee1551850b85002faae0b775d5
Author: Xiubo Li <xiubli@xxxxxxxxxx>
Date:   Fri Dec 20 14:34:04 2019 +0000

    ceph: remove the extra slashes in the server path

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=166a57bee00000
start commit:   90568ecf Merge tag 'kvm-5.6-2' of git://git.kernel.org/pub..
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=156a57bee00000
console output: https://syzkaller.appspot.com/x/log.txt?x=116a57bee00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=69fa012479f9a62
dashboard link: https://syzkaller.appspot.com/bug?extid=98704a51af8e3d9425a9
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=172182b5e00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1590aab5e00000

Reported-by: syzbot+98704a51af8e3d9425a9@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 4fbc0c711b24 ("ceph: remove the extra slashes in the server path")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection