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d94c1f92bbf2c42c5febd68bbea51fffeac90834
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
Merge tag 'linux-can-fixes-for-3.14-20140129' of git://gitorious.org/linux-can/linux-can
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
dcb: use __dev_get_by_name instead of dev_get_by_name to find interface
2014-01-14 18:50:46 -08:00
dccp
ipv4: introduce hardened ip_no_pmtu_disc mode
2014-01-13 11:22:55 -08:00
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
net/*: Fix FSF address in file headers
2013-12-06 12:37:57 -05:00
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
net/hsr: using kfree_rcu() to simplify the code
2013-12-17 16:32:30 -05:00
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
net: rework recvmsg handler msg_name and msg_namelen logic
2013-11-20 21:52:30 -05:00
key
xfrm: export verify_userspi_info for pkfey and netlink interface
2013-12-16 12:54:02 +01:00
l2tp
ipv6: protect protocols not handling ipv4 from v4 connection/bind attempts
2014-01-21 16:59:19 -08:00
lapb
net/lapb: re-send packets on timeout
2013-09-23 16:52:45 -04:00
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
mac802154: fix following checkpath.pl warning Prefer pr_warn(... to pr_warning(...
2013-12-22 18:53:08 -05:00
mpls
ipip: add GSO/TSO support
2013-10-19 19:36:19 -04:00
netfilter
net: Include appropriate header file in netfilter/nft_lookup.c
2014-02-09 17:32:50 -08:00
netlabel
netlabel: Fix FSF address in file headers
2013-12-06 12:37:56 -05:00
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
Merge tag 'rxrpc-20140126' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
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
wimax: remove dead code
2013-11-21 13:09:42 -05:00
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
net: clamp ->msg_namelen instead of returning an error
2013-11-29 16:12:52 -05:00
Kconfig
net: netprio: rename config to be more consistent with cgroup configs
2014-01-03 23:41:42 +01:00
Makefile
net: move 6lowpan compression code to separate module
2014-01-15 15:36:38 -08:00
nonet.c
…
socket.c
net: handle error more gracefully in socketpair()
2013-12-10 22:24:13 -05:00
sysctl_net.c
net: Update the sysctl permissions handler to test effective uid/gid
2013-10-07 15:57:56 -04:00