Re: [PATCH v2] hfs: return -EFSCORRUPTED instead of BUG() in hfs_write_inode()

[Viacheslav Dubeyko]

On Mon, 2026-06-08 at 04:24 +0000, David Maximiliano Hermitte wrote:
> Thank you for the review.
> 
> That makes sense. I agree that replacing the BUG() with a silent
> return is probably not enough if this state indicates serious
> filesystem corruption.
> 
> At this point I would prefer not to slow down the fix by guessing the
> best HFS/VFS error-handling policy. My main goal was to report and
> narrow down the reachable BUG() site and provide a minimal tested
> patch showing that the crash can be avoided.
> 
> If someone with more HFS/VFS experience wants to take over the final
> form of the fix, I would be happy with that. I can also help retest a
> proposed v3 against the public syzbot reproducer.
> 
> Thanks again for taking a look.

If you have corrupted HFS volume, then the issue should be resolved in
mount logic. I suspect that we discussed this issue multiple times. But
I still don't see that anybody can finish this work.

Thanks,
Slava.