Re: [PATCH] rds: fix crash in rds_info_getsockopt()

From: David Miller
Date: Wed May 20 2020 - 17:08:51 EST


From: John Hubbard <jhubbard@xxxxxxxxxx>
Date: Wed, 20 May 2020 12:41:47 -0700

> The conversion to pin_user_pages() had a bug: it overlooked
> the case of allocation of pages failing. Fix that by restoring
> an equivalent check.
>
> Reported-by: syzbot+118ac0af4ac7f785a45b@xxxxxxxxxxxxxxxxxxxxxxxxx
> Fixes: dbfe7d74376e ("rds: convert get_user_pages() --> pin_user_pages()")
> Signed-off-by: John Hubbard <jhubbard@xxxxxxxxxx>

Applied to net-next, thanks.