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24a9981ee9
tmp_suning_uos_patched/net
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Tim Smith 24a9981ee9 af_rxrpc: Avoid setting up double-free on checksum error 
skb_kill_datagram() does not dequeue the skb when MSG_PEEK is unset.
This leaves a free'd skb on the queue, resulting a double-free later.

Without this, the following oops can occur:

BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
IP: [<ffffffff8154fcf7>] skb_dequeue+0x47/0x70
PGD 0
Oops: 0002 [#1] SMP
Modules linked in: af_rxrpc ...
CPU: 0 PID: 1191 Comm: listen Not tainted 3.12.0+ #4
Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
task: ffff8801183536b0 ti: ffff880035c92000 task.ti: ffff880035c92000
RIP: 0010:[<ffffffff8154fcf7>] skb_dequeue+0x47/0x70
RSP: 0018:ffff880035c93db8  EFLAGS: 00010097
RAX: 0000000000000246 RBX: ffff8800d2754b00 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000202 RDI: ffff8800d254c084
RBP: ffff880035c93dd0 R08: ffff880035c93cf0 R09: ffff8800d968f270
R10: 0000000000000000 R11: 0000000000000293 R12: ffff8800d254c070
R13: ffff8800d254c084 R14: ffff8800cd861240 R15: ffff880119b39720
FS:  00007f37a969d740(0000) GS:ffff88011fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000000008 CR3: 00000000d4413000 CR4: 00000000000006f0
Stack:
 ffff8800d254c000 ffff8800d254c070 ffff8800d254c2c0 ffff880035c93df8
 ffffffffa041a5b8 ffff8800cd844c80 ffffffffa04385a0 ffff8800cd844cb0
 ffff880035c93e18 ffffffff81546cef ffff8800d45fea00 0000000000000008
Call Trace:
 [<ffffffffa041a5b8>] rxrpc_release+0x128/0x2e0 [af_rxrpc]
 [<ffffffff81546cef>] sock_release+0x1f/0x80
 [<ffffffff81546d62>] sock_close+0x12/0x20
 [<ffffffff811aaba1>] __fput+0xe1/0x230
 [<ffffffff811aad3e>] ____fput+0xe/0x10
 [<ffffffff810862cc>] task_work_run+0xbc/0xe0
 [<ffffffff8106a3be>] do_exit+0x2be/0xa10
 [<ffffffff8116dc47>] ? do_munmap+0x297/0x3b0
 [<ffffffff8106ab8f>] do_group_exit+0x3f/0xa0
 [<ffffffff8106ac04>] SyS_exit_group+0x14/0x20
 [<ffffffff8166b069>] system_call_fastpath+0x16/0x1b


Signed-off-by: Tim Smith <tim@electronghost.co.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
2014-01-26 11:45:04 +00:00
..
9p Nothing really exciting: some groundwork for changing virtio endian, and 2013-11-15 13:28:47 +09:00
802
8021q vlan: Fix header ops passthru when doing TX VLAN offload. 2013-12-31 16:23:35 -05:00
appletalk net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
atm net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
ax25 net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
batman-adv batman-adv: fix batman-adv header overhead calculation 2014-01-15 23:54:20 +01:00
bluetooth Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth 2013-12-18 13:46:08 -05:00
bridge bridge: use spin_lock_bh() in br_multicast_set_hash_max 2014-01-06 16:39:47 -05:00
caif net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
can Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2013-11-15 16:47:22 -08:00
ceph net: 8021q/bluetooth/bridge/can/ceph: Remove extern from function prototypes 2013-10-19 19:12:11 -04:00
core bpf: do not use reciprocal divide 2014-01-15 17:02:08 -08:00
dcb
dccp dccp: catch failed request_module call in dccp_probe init 2013-12-19 19:25:50 -05:00
decnet
dns_resolver
dsa
ethernet
hsr net/hsr: Support iproute print_opt ('ip -details ...') 2013-11-30 12:48:14 -05:00
ieee802154 ieee802154: Fix memory leak in ieee802154_add_iface() 2014-01-14 15:40:56 -08:00
ipv4 tcp: metrics: Avoid duplicate entries with the same destination-IP 2014-01-17 18:05:34 -08:00
ipv6 ipv6: simplify detection of first operational link-local address on interface 2014-01-17 18:10:01 -08:00
ipx net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
irda net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
iucv net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
key net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
l2tp ipv6: do not erase dst address with flow label destination 2013-12-10 22:51:00 -05:00
lapb
llc net: llc: fix use after free in llc_ui_recvmsg 2014-01-02 19:31:09 -05:00
mac80211 net: core: explicitly select a txq before doing l2 forwarding 2014-01-10 13:23:08 -05:00
mac802154 6lowpan: set and use mac_len for mac header length 2013-10-30 17:18:46 -04:00
mpls ipip: add GSO/TSO support 2013-10-19 19:36:19 -04:00
netfilter netfilter: only warn once on wrong seqadj usage 2014-01-06 14:23:17 +01:00
netlabel genetlink: only pass array to genl_register_family_with_ops() 2013-11-19 16:39:05 -05:00
netlink genetlink/pmcraid: use proper genetlink multicast API 2013-11-28 18:26:30 -05:00
netrom net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
nfc NFC: Fix target mode p2p link establishment 2014-01-04 03:31:32 +01:00
openvswitch Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-11-19 15:50:47 -08:00
packet packet: fix send path when running with proto == 0 2013-12-09 20:09:20 -05:00
phonet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-11-19 15:50:47 -08:00
rds net: rds: fix per-cpu helper usage 2014-01-17 17:52:22 -08:00
rfkill net: rfkill: gpio: add ACPI support 2013-10-28 15:05:25 +01:00
rose net: rose: restore old recvmsg behavior 2013-12-29 22:33:17 -05:00
rxrpc af_rxrpc: Avoid setting up double-free on checksum error 2014-01-26 11:45:04 +00:00
sched net: core: explicitly select a txq before doing l2 forwarding 2014-01-10 13:23:08 -05:00
sctp sctp: Remove outqueue empty state 2014-01-02 17:22:48 -05:00
sunrpc NFS client bugfixes 2013-12-05 13:05:48 -08:00
tipc tipc: correctly unlink packets from deferred packet queue 2014-01-07 16:15:24 -05:00
unix net: unix: allow bind to fail on mutex lock 2013-12-17 15:04:42 -05:00
vmw_vsock net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
wimax wimax: remove dead code 2013-11-21 13:09:42 -05:00
wireless radiotap: fix bitmap-end-finding buffer overrun 2013-12-16 12:06:43 +01:00
x25 net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
xfrm net: move pskb_put() to core code 2013-11-07 19:28:58 -05:00
compat.c net: clamp ->msg_namelen instead of returning an error 2013-11-29 16:12:52 -05:00
Kconfig kernel: remove CONFIG_USE_GENERIC_SMP_HELPERS cleanly 2013-11-21 16:42:27 -08:00
Makefile net/hsr: Add support for the High-availability Seamless Redundancy protocol (HSRv0) 2013-11-03 23:20:14 -05:00
nonet.c
socket.c net: clamp ->msg_namelen instead of returning an error 2013-11-29 16:12:52 -05:00
sysctl_net.c