AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/net/core
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Paolo Abeni ca2c1418ef udp: drop head states only when all skb references are gone 
After commit 0ddf3fb2c4 ("udp: preserve skb->dst if required
for IP options processing") we clear the skb head state as soon
as the skb carrying them is first processed.

Since the same skb can be processed several times when MSG_PEEK
is used, we can end up lacking the required head states, and
eventually oopsing.

Fix this clearing the skb head state only when processing the
last skb reference.

Reported-by: Eric Dumazet <edumazet@google.com>
Fixes: 0ddf3fb2c4 ("udp: preserve skb->dst if required for IP options processing")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-07 20:02:39 -07:00
..
datagram.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-09-01 17:42:05 -07:00
dev_addr_lists.c net: fix spelling for synchronized 2014-11-18 15:26:32 -05:00
dev_ioctl.c net: check dev->addr_len for dev_set_mac_address() 2017-07-29 11:25:05 -07:00
dev.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-09-01 17:42:05 -07:00
devlink.c devlink: Add IPv6 header for dpipe 2017-08-31 14:42:19 -07:00
drop_monitor.c drop_monitor: use setup_timer 2017-03-12 23:47:16 -07:00
dst_cache.c net: dst_cache_per_cpu_dst_set() can be static 2016-03-18 17:45:08 -04:00
dst.c net: check type when freeing metadata dst 2017-08-21 10:57:38 -07:00
ethtool.c net: ethtool: add support for forward error correction modes 2017-07-29 23:23:44 -07:00
fib_notifier.c net: Add module reference to FIB notifiers 2017-09-01 20:33:42 -07:00
fib_rules.c rtnetlink: make rtnl_register accept a flags parameter 2017-08-09 16:57:38 -07:00
filter.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-09-01 17:42:05 -07:00
flow_dissector.c flow_dissector: Add limit for number of headers to dissect 2017-09-05 11:40:08 -07:00
gen_estimator.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
gen_stats.c net_sched: gen_estimator: complete rewrite of rate estimators 2016-12-05 15:21:59 -05:00
gro_cells.c net: Generic XDP 2017-04-25 13:33:49 -04:00
hwbm.c net: hwbm: Fix unbalanced spinlock in error case 2016-05-25 12:35:09 -07:00
link_watch.c dev: introduce dev_get_iflink() 2015-04-02 14:04:59 -04:00
lwt_bpf.c net: add extack arg to lwtunnel build state 2017-05-30 11:55:32 -04:00
lwtunnel.c ipv6: sr: define core operations for seg6local lightweight tunnel 2017-08-07 14:16:22 -07:00
Makefile net: core: Make the FIB notification chain generic 2017-08-03 15:35:59 -07:00
neighbour.c rtnetlink: make rtnl_register accept a flags parameter 2017-08-09 16:57:38 -07:00
net_namespace.c net: call newid/getid without rtnl mutex held 2017-08-09 16:57:38 -07:00
net-procfs.c net-procfs: Use vsnprintf extension %phN 2017-06-04 19:52:58 -04:00
net-sysfs.c net: style cleanups 2017-08-18 22:38:47 -07:00
net-sysfs.h net: netdev_kobject_init: annotate with __init 2014-01-05 20:27:54 -05:00
net-traces.c bridge: add tracepoint in br_fdb_update 2017-08-31 11:42:41 -07:00
netclassid_cgroup.c cgroup, net_cls: iterate the fds of only the tasks which are being migrated 2017-03-22 10:32:46 -07:00
netevent.c netevent: remove automatic variable in register_netevent_notifier() 2015-05-31 00:03:21 -07:00
netpoll.c netpoll: Fix device name check in netpoll_setup() 2017-07-26 17:01:43 -07:00
netprio_cgroup.c net: break include loop netdevice.h, dsa.h, devlink.h 2017-03-28 22:46:04 -07:00
pktgen.c net: convert sk_buff.users from atomic_t to refcount_t 2017-07-01 07:39:07 -07:00
ptp_classifier.c ptp: Change ptp_class to a proper bitmask 2015-11-03 11:08:22 -05:00
request_sock.c ipv4: Namespaceify tcp_max_syn_backlog knob 2016-12-29 11:38:31 -05:00
rtnetlink.c rtnelink: Move link dump consistency check out of the loop 2017-08-13 19:43:57 -07:00
scm.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/user.h> 2017-03-02 08:42:29 +01:00
secure_seq.c tcp: Namespaceify sysctl_tcp_timestamps 2017-06-08 10:53:29 -04:00
skbuff.c udp: drop head states only when all skb references are gone 2017-09-07 20:02:39 -07:00
sock_diag.c netlink: extended ACK reporting 2017-04-13 13:58:20 -04:00
sock_reuseport.c soreuseport: use "unsigned int" in __reuseport_alloc() 2017-04-03 19:06:38 -07:00
sock.c neigh: increase queue_len_bytes to match wmem_default 2017-08-29 16:10:50 -07:00
stream.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/signal.h> 2017-03-02 08:42:29 +01:00
sysctl_net_core.c net: move somaxconn init from sysctl code 2017-05-25 13:12:17 -04:00
timestamping.c net: skb_defer_rx_timestamp should check for phydev before setting up classify 2015-07-09 14:17:15 -07:00
tso.c net: tso: add support for IPv6 2015-10-26 22:24:22 -07:00
utils.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2017-05-02 16:40:27 -07:00