Messages in this thread | | | Date | Mon, 9 Oct 2017 17:22:22 +0100 | From | Al Viro <> | Subject | Re: [PATCH] direct-io: Prevent NULL pointer access in submit_page_section |
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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@redhat.com> > Reviewed-by: Jan Kara <jack@suse.cz>
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...
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