linux-kernel - Re: BUG: sleeping function called from invalid context in _

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Message-ID: <000000000000be1109059e037b83@google.com>
Date:   Fri, 07 Feb 2020 13:58:01 -0800
From:   syzbot <syzbot+98704a51af8e3d9425a9@...kaller.appspotmail.com>
To:     idryomov@...il.com, jlayton@...nel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk,
        xiubli@...hat.com
Subject: Re: BUG: sleeping function called from invalid context in __kmalloc

syzbot has bisected this bug to:

commit 4fbc0c711b2464ee1551850b85002faae0b775d5
Author: Xiubo Li <xiubli@...hat.com>
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@...kaller.appspotmail.com
Fixes: 4fbc0c711b24 ("ceph: remove the extra slashes in the server path")

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