Eric Dumazet 2b3eb43342 net/llc: avoid BUG_ON() in skb_orphan() ...

[ Upstream commit 8b74d439e1 ]

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 use skb_set_owner() but this helper does not exist yet,
only CAN seems to have a private helper for that.

Fixes: 376c7311bd ("net: add a temporary sanity check in skb_orphan()")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2017-02-26 11:07:49 +01:00

..

af_llc.c

net: fix infoleak in llc

2016-05-18 17:06:40 -07:00

Kconfig

…

llc_c_ac.c

include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h

2010-03-30 22:02:32 +09:00

llc_c_ev.c

net: replace remaining __FUNCTION__ occurrences

2008-03-05 20:47:47 -08:00

llc_c_st.c

llc: Make llc_conn_ev_qfyr_t function pointer arrays const

2014-12-10 15:21:24 -05:00

llc_conn.c

net/llc: avoid BUG_ON() in skb_orphan()

2017-02-26 11:07:49 +01:00

llc_core.c

llc: make lock static

2014-01-03 20:56:48 -05:00

llc_if.c

net: llc: include linux/errno.h instead of asm/errno.h

2014-10-24 15:51:42 -04:00

llc_input.c

llc: Fix races between llc2 handler use and (un)registration

2012-08-14 16:52:02 -07:00

llc_output.c

llc: remove noisy WARN from llc_mac_hdr_init

2014-01-28 18:01:32 -08:00

llc_pdu.c

[LLC]: skb allocation size for responses

2008-03-31 21:02:47 -07:00

llc_proc.c

net: proc_fs: trivial: print UIDs as unsigned int

2013-08-15 14:37:46 -07:00

llc_s_ac.c

[LLC]: skb allocation size for responses

2008-03-31 21:02:47 -07:00

llc_s_ev.c

…

llc_s_st.c

llc: Make llc_sap_action_t function pointer arrays const

2014-12-10 15:21:24 -05:00

llc_sap.c

net/llc: avoid BUG_ON() in skb_orphan()

2017-02-26 11:07:49 +01:00

llc_station.c

llc2: Collapse remainder of state machine into simple if-else if-statement

2012-09-17 13:04:19 -04:00

Makefile

…

sysctl_net_llc.c

net: llc: use correct size for sysctl timeout entries

2015-01-25 00:23:21 -08:00