redonkable/remarkable-linux
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remarkable-linux/net
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FX Le Bail d94c1f92bb ipv6: icmp6_send: fix Oops when pinging a not set up IPv6 peer on a sit tunnel 
The patch 446fab5933 ("ipv6: enable anycast addresses
as source addresses in ICMPv6 error messages") causes an Oops when pinging a not
set up IPv6 peer on a sit tunnel.

The problem is that ipv6_anycast_destination() uses unconditionally skb_dst(skb),
which is NULL in this case.

The solution is to use instead the ipv6_chk_acast_addr_src() function.

Here are the steps to reproduce it:
modprobe sit
ip link add sit1 type sit remote 10.16.0.121 local 10.16.0.249
ip l s sit1 up
ip -6 a a dev sit1 2001🔢:123 remote 2001🔢:121
ping6 2001🔢:121

Reported-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Tested-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Francois-Xavier Le Bail <fx.lebail@yahoo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-09 18:12:40 -08:00
..
9p net: Mark function as static in 9p/client.c 2014-02-09 17:32:49 -08:00
802 neigh: use NEIGH_VAR_INIT in ndo_neigh_setup functions. 2014-01-16 11:31:58 -08:00
8021q 8021q: Use ether_addr_copy 2014-01-21 18:13:04 -08:00
appletalk net: Fix some fallout from the etner_addr_copy() changes. 2014-01-21 18:57:26 -08:00
atm net: Fix some fallout from the etner_addr_copy() changes. 2014-01-21 18:57:26 -08:00
ax25 net: add build-time checks for msg->msg_name size 2014-01-18 23:04:16 -08:00
batman-adv Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-01-18 00:55:41 -08:00
bluetooth net: add build-time checks for msg->msg_name size 2014-01-18 23:04:16 -08:00
bridge bridge: fix netconsole setup over bridge 2014-02-06 21:28:06 -08:00
caif net: Include appropriate header file in caif/cfsrvl.c 2014-02-09 17:32:49 -08:00
can linux-can-fixes-for-3.14-20140129 2014-01-30 16:48:17 -08:00
ceph Merge branch 'for-3.14/core' of git://git.kernel.dk/linux-block 2014-01-30 11:19:05 -08:00
core net: Mark functions as static in core/dev.c 2014-02-09 17:32:49 -08:00
dcb
dccp
decnet net: Move prototype declaration to header file include/net/dn.h from net/decnet/af_decnet.c 2014-02-09 17:32:49 -08:00
dns_resolver
dsa dsa: Use ether_addr_copy 2014-01-21 18:13:05 -08:00
ethernet net: eth_type_trans() should use skb_header_pointer() 2014-01-16 15:30:31 -08:00
hsr
ieee802154 net: 6lowpan: fixup for code movement 2014-01-27 16:43:03 -08:00
ipv4 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf 2014-02-09 14:20:00 -08:00
ipv6 ipv6: icmp6_send: fix Oops when pinging a not set up IPv6 peer on a sit tunnel 2014-02-09 18:12:40 -08:00
ipx net: Move prototype declaration to header file include/net/net_namespace.h from net/ipx/af_ipx.c 2014-02-09 17:32:50 -08:00
irda net: add build-time checks for msg->msg_name size 2014-01-18 23:04:16 -08:00
iucv
key
l2tp ipv6: protect protocols not handling ipv4 from v4 connection/bind attempts 2014-01-21 16:59:19 -08:00
lapb
llc llc: remove noisy WARN from llc_mac_hdr_init 2014-01-28 18:01:32 -08:00
mac80211 mac80211: fix virtual monitor interface iteration 2014-02-06 09:55:22 +01:00
mac802154
mpls
netfilter net: Include appropriate header file in netfilter/nft_lookup.c 2014-02-09 17:32:50 -08:00
netlabel
netlink net: add build-time checks for msg->msg_name size 2014-01-18 23:04:16 -08:00
netrom net: add build-time checks for msg->msg_name size 2014-01-18 23:04:16 -08:00
nfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-01-25 11:17:34 -08:00
openvswitch openvswitch: Suppress error messages on megaflow updates 2014-02-04 22:32:38 -08:00
packet af_packet: Add Queue mapping mode to af_packet fanout operation 2014-01-22 17:35:50 -08:00
phonet net: add build-time checks for msg->msg_name size 2014-01-18 23:04:16 -08:00
rds net: add build-time checks for msg->msg_name size 2014-01-18 23:04:16 -08:00
rfkill Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-01-25 11:17:34 -08:00
rose net: add build-time checks for msg->msg_name size 2014-01-18 23:04:16 -08:00
rxrpc RxRPC fixes 2014-01-28 18:04:18 -08:00
sched net: add and use skb_gso_transport_seglen() 2014-01-26 22:38:23 -08:00
sctp net: sctp: fix initialization of local source address on accepted ipv6 sockets 2014-02-06 21:18:06 -08:00
sunrpc net: Mark functions as static in net/sunrpc/svc_xprt.c 2014-02-09 17:32:50 -08:00
tipc net: add build-time checks for msg->msg_name size 2014-01-18 23:04:16 -08:00
unix net: add build-time checks for msg->msg_name size 2014-01-18 23:04:16 -08:00
vmw_vsock net: add build-time checks for msg->msg_name size 2014-01-18 23:04:16 -08:00
wimax
wireless cfg80211: send scan results from work queue 2014-02-06 09:55:19 +01:00
x25 net: add build-time checks for msg->msg_name size 2014-01-18 23:04:16 -08:00
xfrm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-01-25 11:17:34 -08:00
compat.c
Kconfig
Makefile net: move 6lowpan compression code to separate module 2014-01-15 15:36:38 -08:00
nonet.c
socket.c
sysctl_net.c