On 07/08/2024 04:46, Matthew Wilcox wrote: > On Tue, Aug 06, 2024 at 10:26:17PM +0800, kernel test robot wrote: >> kernel test robot noticed "kernel_BUG_at_include/linux/page-flags.h" on: >> >> commit: cdc4ad36a871b7ac43fcc6b2891058d332ce60ce ("fs: Convert aops->write_begin to take a folio") >> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master >> >> [test failed on linux-next/master 1e391b34f6aa043c7afa40a2103163a0ef06d179] >> >> in testcase: boot > > This patch should fix it. > > Christian, can you squash the fix in? > > > diff --git a/mm/shmem.c b/mm/shmem.c > index 7d28304aea0f..66ff87417090 100644 > --- a/mm/shmem.c > +++ b/mm/shmem.c > @@ -2904,7 +2904,8 @@ shmem_write_begin(struct file *file, struct address_space *mapping, > if (ret) > return ret; > > - if (folio_test_has_hwpoisoned(folio)) { > + if (folio_test_hwpoison(folio) || > + (folio_test_large(folio) && folio_test_has_hwpoisoned(folio))) { Reviewed-by: Ryan Roberts <ryan.roberts@xxxxxxx> Tested-by: Ryan Roberts <ryan.roberts@xxxxxxx> > folio_unlock(folio); > folio_put(folio); > return -EIO;