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SubjectRe: [syzbot] [kernfs?] possible deadlock in kernfs_fop_llseek
On Sun, Apr 07, 2024 at 01:50:56AM +0100, Al Viro wrote:
> On Sat, Apr 06, 2024 at 11:57:11AM +0300, Amir Goldstein wrote:
> > 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?
>
> Umm... I can grab it into #fixes. Would be nice to get the result of

Fine by me if you have other stuff pending for -rc4 anyway. Otherwise I
can grab it.

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