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linux/net/ipv6
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Willem de Bruijn c02756173e net: test tailroom before appending to linear skb 
[ Upstream commit 113f99c335 ]

Device features may change during transmission. In particular with
corking, a device may toggle scatter-gather in between allocating
and writing to an skb.

Do not unconditionally assume that !NETIF_F_SG at write time implies
that the same held at alloc time and thus the skb has sufficient
tailroom.

This issue predates git history.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Reported-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-05-25 16:17:24 +02:00
..
ila License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
netfilter netfilter: nf_socket: Fix out of bounds access in nf_sk_lookup_slow_v{4,6} 2018-05-22 18:53:58 +02:00
addrconf_core.c Ipvlan should return an error when an address is already in use. 2017-06-09 12:26:07 -04:00
addrconf.c net: ipv6: send unsolicited NA after DAD 2018-02-13 10:19:48 +01:00
addrlabel.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
af_inet6.c ipv6: Fix SO_REUSEPORT UDP socket with implicit sk_ipv6only 2018-02-13 10:19:48 +01:00
ah6.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2017-06-23 14:17:31 -04:00
anycast.c net, ipv6: convert ifacaddr6.aca_refcnt from atomic_t to refcount_t 2017-07-04 01:29:04 -07:00
calipso.c net, calipso: convert calipso_doi.refcount from atomic_t to refcount_t 2017-07-04 22:35:16 +01:00
datagram.c ipv6: old_dport should be a __be16 in __ip6_datagram_connect() 2018-03-31 18:10:39 +02:00
esp6_offload.c esp: Fix GRO when the headers not fully in the linear part of the skb. 2018-02-25 11:07:46 +01:00
esp6.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-09-01 17:42:05 -07:00
exthdrs_core.c ipv6: constify the skb pointer of ipv6_find_tlv(). 2016-06-27 15:06:15 -04:00
exthdrs_offload.c
exthdrs.c ipv6: sr: fix TLVs not being copied using setsockopt 2018-01-17 09:45:23 +01:00
fib6_notifier.c net: Add module reference to FIB notifiers 2017-09-01 20:33:42 -07:00
fib6_rules.c net: ipv6: avoid overhead when no custom FIB rules are installed 2017-08-08 21:40:08 -07:00
fou6.c fou: make local function static 2017-05-21 13:42:36 -04:00
icmp.c ipv6: Use rt6i_idev index for echo replies to a local address 2017-08-29 15:32:25 -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 net: ipv6: add second dif to inet6 socket lookups 2017-08-07 11:39:22 -07:00
ip6_checksum.c udplite: fix partial checksum initialization 2018-03-08 22:41:10 -08:00
ip6_fib.c ipv6: fix typo in fib6_net_exit() 2017-09-08 16:09:04 -07:00
ip6_flowlabel.c ipv6: flowlabel: do not leave opt->tot_len with garbage 2017-10-22 03:22:24 +01:00
ip6_gre.c ip6_gre: better validate user provided tunnel names 2018-04-12 12:32:25 +02:00
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 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-04-20 10:35:33 -04:00
ip6_offload.c gso: fix payload length when gso_size is zero 2017-10-08 10:12:15 -07:00
ip6_offload.h udp: Add GRO functions to UDP socket 2016-04-07 16:53:29 -04:00
ip6_output.c net: test tailroom before appending to linear skb 2018-05-25 16:17:24 +02:00
ip6_tunnel.c net: don't call update_pmtu unconditionally 2018-05-09 09:51:48 +02:00
ip6_udp_tunnel.c ip6_udp_tunnel: remove unused IPCB related codes 2016-11-02 15:18:36 -04:00
ip6_vti.c net: don't call update_pmtu unconditionally 2018-05-09 09:51:48 +02:00
ip6mr.c ip6mr: fix stale iterator 2018-02-13 10:19:47 +01:00
ipcomp6.c net: inet: Support UID-based routing in IP protocols. 2016-11-04 14:45:23 -04:00
ipv6_sockglue.c netfilter: drop outermost socket lock in getsockopt() 2018-02-28 10:19:38 +01:00
Kconfig ipv6: sr: add helper functions for seg6local 2017-08-25 17:10:24 -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 ipv6: mcast: better catch silly mtu values 2018-01-02 20:31:06 +01:00
mip6.c ktime: Get rid of ktime_equal() 2016-12-25 17:21:23 +01:00
ndisc.c ipv6: fix access to non-linear packet in ndisc_fill_redirect_hdr_option() 2018-03-31 18:10:41 +02:00
netfilter.c netfilter: use skb_to_full_sk in ip6_route_me_harder 2018-03-15 10:54:24 +01:00
output_core.c net: accept UFO datagrams from tuntap and packet 2017-12-17 15:07:58 +01:00
ping.c net: ping: do not abuse udp_poll() 2017-06-04 22:56:55 -04:00
proc.c proc: snmp6: Use correct type in memset 2017-06-12 09:53:14 -04:00
protocol.c net: Add sysctl to toggle early demux for tcp and udp 2017-03-24 13:17:07 -07:00
raw.c net: ipv6: add second dif to raw socket lookups 2017-08-07 11:39:22 -07:00
reassembly.c Revert "net: fix percpu memory leaks" 2017-09-03 11:01:05 -07:00
route.c ipv6: fix uninit-value in ip6_multipath_l3_keys() 2018-05-19 10:20:26 +02:00
seg6_hmac.c ipv6: sr: Use ARRAY_SIZE macro 2017-09-01 18:35:23 -07:00
seg6_iptunnel.c ipv6: sr: fix NULL pointer dereference in seg6_do_srh_encap()- v4 pkts 2018-04-29 11:33:10 +02:00
seg6_local.c ipv6: sr: remove duplicate routing header type check 2017-09-11 14:34:10 -07:00
seg6.c ipv6: sr: define core operations for seg6local lightweight tunnel 2017-08-07 14:16:22 -07:00
sit.c net: don't call update_pmtu unconditionally 2018-05-09 09:51:48 +02:00
syncookies.c ipv4: ipv6: initialize treq->txhash in cookie_v[46]_check() 2017-07-18 11:22:51 -07:00
sysctl_net_ipv6.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tcp_ipv6.c tcp md5sig: Use skb's saddr when replying to an incoming segment 2018-01-02 20:31:07 +01:00
tcpv6_offload.c gso: validate gso_type in GSO handlers 2018-01-31 14:03:47 +01:00
tunnel6.c ipv6: fix tunnel error handling 2015-11-03 10:52:13 -05:00
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 gso: validate gso_type in GSO handlers 2018-01-31 14:03:47 +01:00
udp.c udp: fix SO_BINDTODEVICE 2018-05-19 10:20:27 +02:00
udplite.c udplite: call proper backlog handlers 2016-11-24 15:32:14 -05:00
xfrm6_input.c xfrm: Reinject transport-mode packets through tasklet 2018-03-03 10:24:25 +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: Handle errors reported by xfrm6_find_1stfragopt() 2017-06-02 13:57:27 -04:00
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: Add encapsulation header offsets while SKB is not encrypted 2017-04-14 10:07:39 +02:00
xfrm6_output.c xfrm: Add an IPsec hardware offloading API 2017-04-14 10:06:10 +02:00
xfrm6_policy.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xfrm6_protocol.c xfrm: input: constify xfrm_input_afinfo 2017-02-09 10:22:17 +01:00
xfrm6_state.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xfrm6_tunnel.c net, ipv6: convert xfrm6_tunnel_spi.refcnt from atomic_t to refcount_t 2017-07-04 01:29:04 -07:00