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bbd6528d28c1b8e80832b3b018ec402b6f5c3215
linux/net/ipv6
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Eric Dumazet bbd6528d28 ipv6: fix possible use-after-free in ip6_xmit() 
In the unlikely case ip6_xmit() has to call skb_realloc_headroom(),
we need to call skb_set_owner_w() before consuming original skb,
otherwise we risk a use-after-free.

Bring IPv6 in line with what we do in IPv4 to fix this.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-17 07:56:02 -07:00
..
ila
ila: remove blank lines at EOF
2018-07-24 14:10:42 -07:00
netfilter
ip: frags: fix crash in ip_do_fragment()
2018-09-09 14:50:56 -07:00
addrconf_core.c
net/ipv6: Add helper to return path MTU based on fib result
2018-05-22 10:51:09 +02:00
addrconf.c
addrconf: reduce unnecessary atomic allocations
2018-08-22 21:42:07 -07:00
addrlabel.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
af_inet6.c
ipv6: fix cleanup ordering for pingv6 registration
2018-08-29 19:28:55 -07:00
ah6.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2017-11-15 11:56:19 -08:00
anycast.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2018-06-06 18:39:49 -07:00
calipso.c
ipv6: make ipv6_renew_options() interrupt/kernel safe
2018-07-05 20:15:26 +09:00
datagram.c
net: add helpers checking if socket can be bound to nonlocal address
2018-08-01 09:50:04 -07:00
esp6_offload.c
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
2018-07-27 09:33:37 -07:00
esp6.c
esp6: fix memleak on error path in esp6_input
2018-06-27 17:32:11 +02:00
exthdrs_core.c
net: ipv6: Fix typo in ipv6_find_hdr() documentation
2018-05-07 23:50:27 -04:00
exthdrs_offload.c
…
exthdrs.c
ipv6: make ipv6_renew_options() interrupt/kernel safe
2018-07-05 20:15:26 +09:00
fib6_notifier.c
net: Add module reference to FIB notifiers
2017-09-01 20:33:42 -07:00
fib6_rules.c
net/ipv6: Add fib6_lookup
2018-05-11 00:10:56 +02:00
fou6.c
fou: make local function static
2017-05-21 13:42:36 -04:00
icmp.c
ipv6: Add icmp_echo_ignore_all support for ICMPv6
2018-08-13 08:42:25 -07:00
inet6_connection_sock.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2017-01-28 10:33:06 -05:00
inet6_hashtables.c
bpf: Enable BPF_PROG_TYPE_SK_REUSEPORT bpf prog in reuseport selection
2018-08-11 01:58:46 +02:00
ip6_checksum.c
udplite: fix partial checksum initialization
2018-02-16 15:57:42 -05:00
ip6_fib.c
net/ipv6: Only update MTU metric if it set
2018-09-02 14:03:54 -07:00
ip6_flowlabel.c
ipv6: fold sockcm_cookie into ipcm6_cookie
2018-07-07 10:58:49 +09:00
ip6_gre.c
erspan: set erspan_ver to 1 by default when adding an erspan dev
2018-08-27 15:13:17 -07:00
ip6_icmp.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ip6_input.c
net: ipv6: listify ipv6_rcv() and ip6_rcv_finish()
2018-07-06 11:19:07 +09:00
ip6_offload.c
gso_segment: Reset skb->mac_len after modifying network header
2018-09-13 12:09:32 -07:00
ip6_offload.h
udp: Add GRO functions to UDP socket
2016-04-07 16:53:29 -04:00
ip6_output.c
ipv6: fix possible use-after-free in ip6_xmit()
2018-09-17 07:56:02 -07:00
ip6_tunnel.c
ip6_tunnel: respect ttl inherit for ip6tnl
2018-09-03 19:04:12 -07:00
ip6_udp_tunnel.c
ip6_udp_tunnel: remove unused IPCB related codes
2016-11-02 15:18:36 -04:00
ip6_vti.c
vti6: remove !skb->ignore_df check from vti6_xmit()
2018-08-29 17:51:44 -07:00
ip6mr.c
rhashtable: split rhashtable.h
2018-06-22 13:43:27 +09:00
ipcomp6.c
net: inet: Support UID-based routing in IP protocols.
2016-11-04 14:45:23 -04:00
ipv6_sockglue.c
Merge ra.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux
2018-07-20 21:17:12 -07:00
Kconfig
net: remove blank lines at end of file
2018-07-24 14:10:43 -07:00
Makefile
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mcast_snoop.c
…
mcast.c
Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net
2018-07-24 19:21:58 -07:00
mip6.c
ktime: Get rid of ktime_equal()
2016-12-25 17:21:23 +01:00
ndisc.c
ipv6: make DAD fail with enhanced DAD when nonce length differs
2018-07-16 13:45:16 -07:00
netfilter.c
netfilter: utils: move nf_ip6_checksum* from ipv6 to utils
2018-07-16 17:51:48 +02:00
output_core.c
net: accept UFO datagrams from tuntap and packet
2017-11-24 01:37:35 +09:00
ping.c
ipv6: fold sockcm_cookie into ipcm6_cookie
2018-07-07 10:58:49 +09:00
proc.c
proc: introduce proc_create_net_single
2018-05-16 07:24:30 +02:00
protocol.c
net: Add sysctl to toggle early demux for tcp and udp
2017-03-24 13:17:07 -07:00
raw.c
ipv6: fold sockcm_cookie into ipcm6_cookie
2018-07-07 10:58:49 +09:00
reassembly.c
ipv6: defrag: drop non-last frags smaller than min mtu
2018-08-05 17:21:14 -07:00
route.c
ipv6: use rt6_info members when dst is set in rt6_fill_node
2018-09-13 08:20:37 -07:00
seg6_hmac.c
Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net
2018-07-03 10:29:26 +09:00
seg6_iptunnel.c
ipv6: sr: fix useless rol32 call on hash
2018-07-18 15:10:47 -07:00
seg6_local.c
bpf: add End.DT6 action to bpf_lwt_seg6_action helper
2018-07-31 09:22:48 +02:00
seg6.c
rhashtable: split rhashtable.h
2018-06-22 13:43:27 +09:00
sit.c
ip6_tunnel: remove magic mtu value 0xFFF8
2018-06-01 13:56:30 -04:00
syncookies.c
net/ipv4: disable SMC TCP option with SYN Cookies
2018-03-25 20:53:54 -04:00
sysctl_net_ipv6.c
ipv6: sr: Compute flowlabel for outer IPv6 header of seg6 encap mode
2018-04-25 13:02:15 -04:00
tcp_ipv6.c
net/ipv6: Fix linklocal to global address with VRF
2018-07-21 19:31:46 -07:00
tcpv6_offload.c
net: Convert GRO SKB handling to list_head.
2018-06-26 11:33:04 +09:00
tunnel6.c
…
udp_impl.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
udp_offload.c
net: Convert GRO SKB handling to list_head.
2018-06-26 11:33:04 +09:00
udp.c
udp6: add missing checks on edumux packet processing
2018-09-16 15:27:44 -07:00
udplite.c
proc: introduce proc_create_net{,_data}
2018-05-16 07:24:30 +02:00
xfrm6_input.c
xfrm: Reinject transport-mode packets through tasklet
2017-12-19 08:23:21 +01:00
xfrm6_mode_beet.c
networking: make skb_pull & friends return void pointers
2017-06-16 11:48:39 -04:00
xfrm6_mode_ro.c
ipv6: xfrm: use 64-bit timestamps
2018-07-11 15:26:35 +02:00
xfrm6_mode_transport.c
ipv6: xfrm: Handle errors reported by xfrm6_find_1stfragopt()
2017-06-02 13:57:27 -04:00
xfrm6_mode_tunnel.c
xfrm: Verify MAC header exists before overwriting eth_hdr(skb)->h_proto
2018-03-07 10:54:29 +01:00
xfrm6_output.c
net: xfrm: use skb_gso_validate_network_len() to check gso sizes
2018-03-04 17:49:17 -05:00
xfrm6_policy.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2018-06-03 09:31:58 -04:00
xfrm6_protocol.c
xfrm: input: constify xfrm_input_afinfo
2017-02-09 10:22:17 +01:00
xfrm6_state.c
xfrm: remove VLA usage in __xfrm6_sort()
2018-04-26 07:51:48 +02:00
xfrm6_tunnel.c
xfrm: Fix warning in xfrm6_tunnel_net_exit.
2018-04-16 07:50:09 +02:00