2023-09-04 22:37:51

by Christoph Hellwig

Subject: Re: [syzbot] [xfs?] [ext4?] kernel BUG in __block_write_begin_int

On Mon, Sep 04, 2023 at 06:33:41PM +1000, Dave Chinner wrote:
> It appears that 0010:__block_write_begin_int() has iterated beyond
> the iomap that was passed in, triggering the BUG_ON() check in
> iomap_to_bh().

Yes, I'll look into it.