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cf673ed0e057a2dd68d930c6d7e30d53c70c5789
linux/net/core
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Florian Westphal cf673ed0e0 net: fix fraglist segmentation reference count leak 
Xin Long says:
 On udp rx path udp_rcv_segment() may do segment where the frag skbs
 will get the header copied from the head skb in skb_segment_list()
 by calling __copy_skb_header(), which could overwrite the frag skbs'
 extensions by __skb_ext_copy() and cause a leak.

 This issue was found after loading esp_offload where a sec path ext
 is set in the skb.

Fix this by discarding head state of the fraglist skb before replacing
its contents.

Fixes: 3a1296a38d ("net: Support GRO/GSO fraglist chaining.")
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Reported-by: Xiumei Mu <xmu@redhat.com>
Tested-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30 10:41:58 -07:00
..
bpf_sk_storage.c
bpf: Improve bucket_log calculation logic
2020-02-07 23:01:41 +01:00
datagram.c
net: add queue argument to __skb_wait_for_more_packets and __skb_{,try_}recv_datagram
2019-12-09 09:59:07 +01:00
datagram.h
net/core: Allow the compiler to verify declaration and definition consistency
2019-03-27 13:49:44 -07:00
dev_addr_lists.c
net: remove unnecessary variables and callback
2019-10-24 14:53:49 -07:00
dev_ioctl.c
net: Introduce peer to peer one step PTP time stamping.
2019-12-25 19:51:34 -08:00
dev.c
net: Fix CONFIG_NET_CLS_ACT=n and CONFIG_NFT_FWD_NETDEV={y, m} build
2020-03-25 12:24:33 -07:00
devlink.c
devlink: validate length of region addr/len
2020-03-03 13:28:48 -08:00
drop_monitor.c
drop_monitor: Do not cancel uninitialized work item
2020-02-07 18:48:36 +01:00
dst_cache.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
dst.c
net: print proper warning on dst underflow
2019-09-26 09:05:56 +02:00
failover.c
failover: allow name change on IFF_UP slave interfaces
2019-04-10 22:12:26 -07:00
fib_notifier.c
net: fib_notifier: propagate extack down to the notifier block callback
2019-10-04 11:10:56 -07:00
fib_rules.c
net: fib_rules: Correctly set table field when table number exceeds 8 bits
2020-02-16 18:38:24 -08:00
filter.c
treewide: remove redundant IS_ERR() before error code check
2020-02-04 03:05:27 +00:00
flow_dissector.c
flow_dissector: Fix to use new variables for port ranges in bpf hook
2020-01-27 11:25:07 +01:00
flow_offload.c
net: core: rename indirect block ingress cb function
2019-12-06 20:45:09 -08:00
gen_estimator.c
net_sched: gen_estimator: extend packet counter to 64bit
2019-11-06 21:51:36 -08:00
gen_stats.c
net_sched: add TCA_STATS_PKT64 attribute
2019-11-05 18:20:55 -08:00
gro_cells.c
gro_cells: make sure device is up in gro_cells_receive()
2019-03-10 11:07:14 -07:00
hwbm.c
net: hwbm: Make the hwbm_pool lock a mutex
2019-06-09 19:40:10 -07:00
link_watch.c
net: link_watch: prevent starvation when processing linkwatch wq
2019-07-01 19:02:47 -07:00
lwt_bpf.c
net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup
2019-12-04 12:27:13 -08:00
lwtunnel.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
Makefile
ethtool: move to its own directory
2019-12-12 17:07:05 -08:00
neighbour.c
neigh_stat_seq_next() should increase position index
2020-01-24 11:42:18 +01:00
net_namespace.c
netns: Constify exported functions
2020-01-17 13:25:24 +01:00
net-procfs.c
net: procfs: use index hashlist instead of name hashlist
2019-10-01 14:47:19 -07:00
net-sysfs.c
net-sysfs: Call dev_hold always in rx_queue_add_kobject
2019-12-17 22:57:11 -08:00
net-sysfs.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
net-traces.c
page_pool: add tracepoints for page_pool with details need by XDP
2019-06-19 11:23:13 -04:00
netclassid_cgroup.c
cgroup, netclassid: periodically release file_lock on classid updating
2020-03-09 18:13:39 -07:00
netevent.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
netpoll.c
net: fix skb use after free in netpoll
2019-08-27 20:52:02 -07:00
netprio_cgroup.c
netprio: use css ID instead of cgroup ID
2019-11-12 08:18:03 -08:00
page_pool.c
page_pool: refill page when alloc.count of pool is zero
2020-02-13 14:11:51 -08:00
pktgen.c
net: Fix CONFIG_NET_CLS_ACT=n and CONFIG_NFT_FWD_NETDEV={y, m} build
2020-03-25 12:24:33 -07:00
ptp_classifier.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 295
2019-06-05 17:36:38 +02:00
request_sock.c
tcp: add rcu protection around tp->fastopen_rsk
2019-10-13 10:13:08 -07:00
rtnetlink.c
net: rtnetlink: fix bugs in rtnl_alt_ifname()
2020-02-16 18:51:59 -08:00
scm.c
y2038: socket: remove timespec reference in timestamping
2019-11-15 14:38:29 +01:00
secure_seq.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
skbuff.c
net: fix fraglist segmentation reference count leak
2020-03-30 10:41:58 -07:00
skmsg.c
net, sk_msg: Don't check if sock is locked when tearing down psock
2020-01-22 20:30:20 +01:00
sock_diag.c
sock: make cookie generation global instead of per netns
2019-08-09 13:14:46 -07:00
sock_map.c
bpf, sockmap: Remove bucket->lock from sock_{hash|map}_free
2020-03-11 14:08:52 +01:00
sock_reuseport.c
soreuseport: Cleanup duplicate initialization of more_reuse->max_socks.
2020-01-27 11:01:16 +01:00
sock.c
net: memcg: late association of sock to memcg
2020-03-10 15:33:05 -07:00
stream.c
tcp: make sure EPOLLOUT wont be missed
2019-08-19 13:07:43 -07:00
sysctl_net_core.c
net, sysctl: Fix compiler warning when only cBPF is present
2019-12-19 17:17:51 +01:00
timestamping.c
net: Introduce a new MII time stamping interface.
2019-12-25 19:51:33 -08:00
tso.c
net: Use skb accessors in network core
2019-07-22 20:47:56 -07:00
utils.c
net: Fix skb->csum update in inet_proto_csum_replace16().
2020-01-24 20:54:30 +01:00
xdp.c
treewide: Use sizeof_field() macro
2019-12-09 10:36:44 -08:00