Re: WARNING in bdev_read

[Eric Biggers]

On Thu, Oct 17, 2019 at 10:02:07AM -0700, syzbot wrote:
> Hello,
> 
> syzbot found the following crash on:
> 
> HEAD commit:    bc88f85c kthread: make __kthread_queue_delayed_work static
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=14e25608e00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=e0ac4d9b35046343
> dashboard link: https://syzkaller.appspot.com/bug?extid=787bcbef9b5fec61944b
> compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=159fd353600000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17e82173600000
> 
> The bug was bisected to:
> 
> commit c48c9f7ff32b8b3965a08e40eb6763682d905b5d
> Author: Valdis KlÄtnieks <valdis.kletnieks@xxxxxx>
> Date:   Wed Aug 28 16:08:17 2019 +0000
> 
>     staging: exfat: add exfat filesystem code to staging

This bisection looks correct.

On a related topic: it seems the exfat filesystem is missing a mailing list.

- Eric