Re: [syzbot] [kernfs?] possible deadlock in kernfs_fop_llseek

Amir Goldstein
2024-04-06T08:57:23Z

On Sat, Apr 6, 2024 at 10:11 AM Al Viro <viro@zeniv.linux.org.uk> wrote:
>
> On Sat, Apr 06, 2024 at 12:05:04AM -0700, syzbot wrote:
>
> > commit: 3398bf34 kernfs: annotate different lockdep class for ..
> > git tree: https://github.com/amir73il/linux/ vfs-fixes
> > kernel config: https://syzkaller.appspot.com/x/.config?x=c5cda112a8438056
> > dashboard link: https://syzkaller.appspot.com/bug?extid=9a5b0ced8b1bfb238b56
> > compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
> >
> > Note: no patches were applied.
>

Looks like it fixes the problem:
https://lore.kernel.org/lkml/000000000000a386f2061562ba6a@google.com/

Al,

Are you ok with going with your solution?
Do you want to pick it up through your tree?
Or shall I post it and ask Christian or Greg to pick it up?

Thanks,
Amir.