On Mon, Oct 09, 2017 at 11:13:18AM +0200, Andreas Gruenbacher wrote: > In the code added to function submit_page_section by commit b1058b981, > sdio->bio can currently be NULL when calling dio_bio_submit. This then > leads to a NULL pointer access in dio_bio_submit, so check for a NULL > bio in submit_page_section before trying to submit it instead. > > Fixes xfstest generic/250 on gfs2. > > Signed-off-by: Andreas Gruenbacher <agruenba@xxxxxxxxxx> > Reviewed-by: Jan Kara <jack@xxxxxxx> How far back in -stable should it go? I'm fine with the patch, but I'd rather have accurate Cc: stable in commit message...