From: David Ahern <dsah...@kernel.org>
Date: Mon, 10 Dec 2018 13:54:07 -0800
> From: David Ahern <dsah...@gmail.com>
>
> Adding and removing neighbor entries to / from the gc_list need to be
> done while holding the table lock; a couple of places were missed in the
> original patch.
>
> Move the list_add_tail in neigh_alloc to ___neigh_create where the lock
> is already obtained. Since neighbor entries should rarely be moved
> to/from PERMANENT state, add lock/unlock around the gc_list changes in
> neigh_change_state rather than extending the lock hold around all
> neighbor updates.
>
> Fixes: 58956317c8de ("neighbor: Improve garbage collection")
> Reported-by: Andrei Vagin <ava...@gmail.com>
> Reported-by: syzbot+6cc2fd1d3bdd2e007...@syzkaller.appspotmail.com
> Reported-by: syzbot+35e87b87c00f386b0...@syzkaller.appspotmail.com
> Reported-by: syzbot+b354d1fb59091ea73...@syzkaller.appspotmail.com
> Reported-by: syzbot+3ddead56196585379...@syzkaller.appspotmail.com
> Reported-by: syzbot+424d47d5c456ce8b2...@syzkaller.appspotmail.com
> Reported-by: syzbot+e4d42eb35f6a27b0a...@syzkaller.appspotmail.com
> Signed-off-by: David Ahern <dsah...@gmail.com>
Applied, thanks for fixing this so quickly.
