Re: [PATCH net] net/llc: avoid BUG_ON() in skb_orphan()

2017-02-12 Thread David Miller
From: Eric Dumazet Date: Sun, 12 Feb 2017 14:03:52 -0800 > From: Eric Dumazet > > It seems nobody used LLC since linux-3.12. > > Fortunately fuzzers like syzkaller still know how to run this code, > otherwise it would be no fun. > > Setting skb->sk without skb->destructor leads to all kinds o

[PATCH net] net/llc: avoid BUG_ON() in skb_orphan()

2017-02-12 Thread Eric Dumazet
From: Eric Dumazet It seems nobody used LLC since linux-3.12. Fortunately fuzzers like syzkaller still know how to run this code, otherwise it would be no fun. Setting skb->sk without skb->destructor leads to all kinds of bugs, we now prefer to be very strict about it. Ideally here we would us