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commit f24e230d257af1ad7476c6e81a8dc3127a74204e upstream.
Ben Hawkes says:
In the mark_source_chains function (net/ipv4/netfilter/ip_tables.c) it
is possible for a user-supplied ipt_entry structure to have a large
next_offset field. This field is not bounds checked prior to writing a
counter value at the supplied offset.
Base chains enforce absolute verdict.
User defined chains are supposed to end with an unconditional return,
xtables userspace adds them automatically.
But if such return is missing we will move to non-existent next rule.
Reported-by: Ben Hawkes <hawkes@google.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 54d83fc74aa9ec72794373cb47432c5f7fb1a309 upstream.
Ben Hawkes says:
In the mark_source_chains function (net/ipv4/netfilter/ip_tables.c) it
is possible for a user-supplied ipt_entry structure to have a large
next_offset field. This field is not bounds checked prior to writing a
counter value at the supplied offset.
Problem is that mark_source_chains should not have been called --
the rule doesn't have a next entry, so its supposed to return
an absolute verdict of either ACCEPT or DROP.
However, the function conditional() doesn't work as the name implies.
It only checks that the rule is using wildcard address matching.
However, an unconditional rule must also not be using any matches
(no -m args).
The underflow validator only checked the addresses, therefore
passing the 'unconditional absolute verdict' test, while
mark_source_chains also tested for presence of matches, and thus
proceeeded to the next (not-existent) rule.
Unify this so that all the callers have same idea of 'unconditional rule'.
Reported-by: Ben Hawkes <hawkes@google.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 6e94e0cfb0887e4013b3b930fa6ab1fe6bb6ba91 upstream.
Otherwise this function may read data beyond the ruleset blob.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit bdf533de6968e9686df777dc178486f600c6e617 upstream.
We should check that e->target_offset is sane before
mark_source_chains gets called since it will fetch the target entry
for loop detection.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 3d5fdff46c4b2b9534fa2f9fc78e90a48e0ff724 upstream.
iwpriv app uses iw_point structure to send data to Kernel. The iw_point
structure holds a pointer. For compatibility Kernel converts the pointer
as required for WEXT IOCTLs (SIOCIWFIRST to SIOCIWLAST). Some drivers
may use iw_handler_def.private_args to populate iwpriv commands instead
of iw_handler_def.private. For those case, the IOCTLs from
SIOCIWFIRSTPRIV to SIOCIWLASTPRIV will follow the path ndo_do_ioctl().
Accordingly when the filled up iw_point structure comes from 32 bit
iwpriv to 64 bit Kernel, Kernel will not convert the pointer and sends
it to driver. So, the driver may get the invalid data.
The pointer conversion for the IOCTLs (SIOCIWFIRSTPRIV to
SIOCIWLASTPRIV), which follow the path ndo_do_ioctl(), is mandatory.
This patch adds pointer conversion from 32 bit to 64 bit and vice versa,
if the ioctl comes from 32 bit iwpriv to 64 bit Kernel.
Signed-off-by: Prasun Maiti <prasunmaiti87@gmail.com>
Signed-off-by: Ujjal Roy <royujjal@gmail.com>
Tested-by: Dibyajyoti Ghosh <dibyajyotig@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 7e059158d57b79159eaf1f504825d19866ef2c42 ]
Prior to 4.3, openvswitch tunnel vports (vxlan, gre and geneve) could
transmit vxlan packets of any size, constrained only by the ability to
send out the resulting packets. 4.3 introduced netdevs corresponding
to tunnel vports. These netdevs have an MTU, which limits the size of
a packet that can be successfully encapsulated. The default MTU
values are low (1500 or less), which is awkwardly small in the context
of physical networks supporting jumbo frames, and leads to a
conspicuous change in behaviour for userspace.
Instead, set the MTU on openvswitch-created netdevs to be the relevant
maximum (i.e. the maximum IP packet size minus any relevant overhead),
effectively restoring the behaviour prior to 4.3.
Signed-off-by: David Wragg <david@weave.works>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 00bc0ef5880dc7b82f9c320dead4afaad48e47be ]
At present we perform an xfrm_lookup() for each UDPv6 message we
send. The lookup involves querying the flow cache (flow_cache_lookup)
and, in case of a cache miss, creating an XFRM bundle.
If we miss the flow cache, we can end up creating a new bundle and
deriving the path MTU (xfrm_init_pmtu) from on an already transformed
dst_entry, which we pass from the socket cache (sk->sk_dst_cache) down
to xfrm_lookup(). This can happen only if we're caching the dst_entry
in the socket, that is when we're using a connected UDP socket.
To put it another way, the path MTU shrinks each time we miss the flow
cache, which later on leads to incorrectly fragmented payload. It can
be observed with ESPv6 in transport mode:
1) Set up a transformation and lower the MTU to trigger fragmentation
# ip xfrm policy add dir out src ::1 dst ::1 \
tmpl src ::1 dst ::1 proto esp spi 1
# ip xfrm state add src ::1 dst ::1 \
proto esp spi 1 enc 'aes' 0x0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b
# ip link set dev lo mtu 1500
2) Monitor the packet flow and set up an UDP sink
# tcpdump -ni lo -ttt &
# socat udp6-listen:12345,fork /dev/null &
3) Send a datagram that needs fragmentation with a connected socket
# perl -e 'print "@" x 1470 | socat - udp6:[::1]:12345
2016/06/07 18:52:52 socat[724] E read(3, 0x555bb3d5ba00, 8192): Protocol error
00:00:00.000000 IP6 ::1 > ::1: frag (0|1448) ESP(spi=0x00000001,seq=0x2), length 1448
00:00:00.000014 IP6 ::1 > ::1: frag (1448|32)
00:00:00.000050 IP6 ::1 > ::1: ESP(spi=0x00000001,seq=0x3), length 1272
(^ ICMPv6 Parameter Problem)
00:00:00.000022 IP6 ::1 > ::1: ESP(spi=0x00000001,seq=0x5), length 136
4) Compare it to a non-connected socket
# perl -e 'print "@" x 1500' | socat - udp6-sendto:[::1]:12345
00:00:40.535488 IP6 ::1 > ::1: frag (0|1448) ESP(spi=0x00000001,seq=0x6), length 1448
00:00:00.000010 IP6 ::1 > ::1: frag (1448|64)
What happens in step (3) is:
1) when connecting the socket in __ip6_datagram_connect(), we
perform an XFRM lookup, miss the flow cache, create an XFRM
bundle, and cache the destination,
2) afterwards, when sending the datagram, we perform an XFRM lookup,
again, miss the flow cache (due to mismatch of flowi6_iif and
flowi6_oif, which is an issue of its own), and recreate an XFRM
bundle based on the cached (and already transformed) destination.
To prevent the recreation of an XFRM bundle, avoid an XFRM lookup
altogether whenever we already have a destination entry cached in the
socket. This prevents the path MTU shrinkage and brings us on par with
UDPv4.
The fix also benefits connected PINGv6 sockets, another user of
ip6_sk_dst_lookup_flow(), who also suffer messages being transformed
twice.
Joint work with Hannes Frederic Sowa.
Reported-by: Jan Tluka <jtluka@redhat.com>
Signed-off-by: Jakub Sitnicki <jkbs@redhat.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit a5c5e2da8551eb69e5d5d09d51d526140b5db9fb ]
Unused fields of udp_cfg must be all zeros. Otherwise
setup_udp_tunnel_sock() fills ->gro_receive and ->gro_complete
callbacks with garbage, eventually resulting in panic when used by
udp_gro_receive().
[ 72.694123] BUG: unable to handle kernel paging request at ffff880033f87d78
[ 72.695518] IP: [<ffff880033f87d78>] 0xffff880033f87d78
[ 72.696530] PGD 26e2067 PUD 26e3067 PMD 342ed063 PTE 8000000033f87163
[ 72.696530] Oops: 0011 [#1] SMP KASAN
[ 72.696530] Modules linked in: l2tp_ppp l2tp_netlink l2tp_core ip6_udp_tunnel udp_tunnel pptp gre pppox ppp_generic slhc crc32c_intel ghash_clmulni_intel jitterentropy_rng sha256_generic hmac drbg ansi_cprng aesni_intel evdev aes_x86_64 ablk_helper cryptd lrw gf128mul glue_helper serio_raw acpi_cpufreq button proc\
essor ext4 crc16 jbd2 mbcache virtio_blk virtio_net virtio_pci virtio_ring virtio
[ 72.696530] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 4.7.0-rc1 #1
[ 72.696530] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[ 72.696530] task: ffff880035b59700 ti: ffff880035b70000 task.ti: ffff880035b70000
[ 72.696530] RIP: 0010:[<ffff880033f87d78>] [<ffff880033f87d78>] 0xffff880033f87d78
[ 72.696530] RSP: 0018:ffff880035f87bc0 EFLAGS: 00010246
[ 72.696530] RAX: ffffed000698f996 RBX: ffff88003326b840 RCX: ffffffff814cc823
[ 72.696530] RDX: ffff88003326b840 RSI: ffff880033e48038 RDI: ffff880034c7c780
[ 72.696530] RBP: ffff880035f87c18 R08: 000000000000a506 R09: 0000000000000000
[ 72.696530] R10: ffff880035f87b38 R11: ffff880034b9344d R12: 00000000ebfea715
[ 72.696530] R13: 0000000000000000 R14: ffff880034c7c780 R15: 0000000000000000
[ 72.696530] FS: 0000000000000000(0000) GS:ffff880035f80000(0000) knlGS:0000000000000000
[ 72.696530] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 72.696530] CR2: ffff880033f87d78 CR3: 0000000033c98000 CR4: 00000000000406a0
[ 72.696530] Stack:
[ 72.696530] ffffffff814cc834 ffff880034b93468 0000001481416818 ffff88003326b874
[ 72.696530] ffff880034c7ccb0 ffff880033e48038 ffff88003326b840 ffff880034b93462
[ 72.696530] ffff88003326b88a ffff88003326b88c ffff880034b93468 ffff880035f87c70
[ 72.696530] Call Trace:
[ 72.696530] <IRQ>
[ 72.696530] [<ffffffff814cc834>] ? udp_gro_receive+0x1c6/0x1f9
[ 72.696530] [<ffffffff814ccb1c>] udp4_gro_receive+0x2b5/0x310
[ 72.696530] [<ffffffff814d989b>] inet_gro_receive+0x4a3/0x4cd
[ 72.696530] [<ffffffff81431b32>] dev_gro_receive+0x584/0x7a3
[ 72.696530] [<ffffffff810adf7a>] ? __lock_is_held+0x29/0x64
[ 72.696530] [<ffffffff814321f7>] napi_gro_receive+0x124/0x21d
[ 72.696530] [<ffffffffa000b145>] virtnet_receive+0x8df/0x8f6 [virtio_net]
[ 72.696530] [<ffffffffa000b27e>] virtnet_poll+0x1d/0x8d [virtio_net]
[ 72.696530] [<ffffffff81431350>] net_rx_action+0x15b/0x3b9
[ 72.696530] [<ffffffff815893d6>] __do_softirq+0x216/0x546
[ 72.696530] [<ffffffff81062392>] irq_exit+0x49/0xb6
[ 72.696530] [<ffffffff81588e9a>] do_IRQ+0xe2/0xfa
[ 72.696530] [<ffffffff81587a49>] common_interrupt+0x89/0x89
[ 72.696530] <EOI>
[ 72.696530] [<ffffffff810b05df>] ? trace_hardirqs_on_caller+0x229/0x270
[ 72.696530] [<ffffffff8102b3c7>] ? default_idle+0x1c/0x2d
[ 72.696530] [<ffffffff8102b3c5>] ? default_idle+0x1a/0x2d
[ 72.696530] [<ffffffff8102bb8c>] arch_cpu_idle+0xa/0xc
[ 72.696530] [<ffffffff810a6c39>] default_idle_call+0x1a/0x1c
[ 72.696530] [<ffffffff810a6d96>] cpu_startup_entry+0x15b/0x20f
[ 72.696530] [<ffffffff81039a81>] start_secondary+0x12c/0x133
[ 72.696530] Code: ff ff ff ff ff ff ff ff ff ff 7f ff ff ff ff ff ff ff 7f 00 7e f8 33 00 88 ff ff 6d 61 58 81 ff ff ff ff 5e de 0a 81 ff ff ff ff <00> 5c e2 34 00 88 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 72.696530] RIP [<ffff880033f87d78>] 0xffff880033f87d78
[ 72.696530] RSP <ffff880035f87bc0>
[ 72.696530] CR2: ffff880033f87d78
[ 72.696530] ---[ end trace ad7758b9a1dccf99 ]---
[ 72.696530] Kernel panic - not syncing: Fatal exception in interrupt
[ 72.696530] Kernel Offset: disabled
[ 72.696530] ---[ end Kernel panic - not syncing: Fatal exception in interrupt
v2: use empty initialiser instead of "{ NULL }" to avoid relying on
first field's type.
Fixes: 38fd2af24fcf ("udp: Add socket based GRO and config")
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 0b148def403153a4d1565f1640356cb78ce5109f ]
The missing br_vlan_should_use() test caused creation of an unneeded
local fdb entry on changing mac address of a bridge device when there is
a vlan which is configured on a bridge port but not on the bridge
device.
Fixes: 2594e9064a57 ("bridge: vlan: add per-vlan struct and move to rhashtables")
Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit ce3cf4ec0305919fc69a972f6c2b2efd35d36abc ]
The v6 tcp stats scan do not provide TLP and ER timer information
correctly like the v4 version . This patch fixes that.
Fixes: 6ba8a3b19e76 ("tcp: Tail loss probe (TLP)")
Fixes: eed530b6c676 ("tcp: early retransmit")
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit e5aed006be918af163eb397e45aa5ea6cefd5e01 ]
In case we find a socket with encapsulation enabled we should call
the encap_recv function even if just a udp header without payload is
available. The callbacks are responsible for correctly verifying and
dropping the packets.
Also, in case the header validation fails for geneve and vxlan we
shouldn't put the skb back into the socket queue, no one will pick
them up there. Instead we can simply discard them in the respective
encap_recv functions.
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit da4ed55165d41b1073f9a476f1c18493e9bf8c8e ]
The problem is that fib_info->nh is [0] so the struct fib_info
allocation size depends on number of nexthops. If we just copy fib_info,
we do not copy the nexthops info and driver accesses memory which is not
ours.
Given the fact that fib4 does not defer operations and therefore it does
not need copy, just pass the pointer down to drivers as it was done
before.
Fixes: 850d0cbc91 ("switchdev: remove pointers from switchdev objects")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 03aaaa9b941e136757b55c4cf775aab6068dfd94 ]
The publication field of the old netlink API should contain the
publication key and not the publication reference.
Fixes: 44a8ae94fd55 (tipc: convert legacy nl name table dump to nl compat)
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 92964c79b357efd980812c4de5c1fd2ec8bb5520 ]
When we free cb->skb after a dump, we do it after releasing the
lock. This means that a new dump could have started in the time
being and we'll end up freeing their skb instead of ours.
This patch saves the skb and module before we unlock so we free
the right memory.
Fixes: 16b304f3404f ("netlink: Eliminate kmalloc in netlink dump operation.")
Reported-by: Baozeng Ding <sploving1@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 45e093ae2830cd1264677d47ff9a95a71f5d9f9c ]
Make sure the socket for which the user is listing publication exists
before parsing the socket netlink attributes.
Prior to this patch a call without any socket caused a NULL pointer
dereference in tipc_nl_publ_dump().
Tested-and-reported-by: Baozeng Ding <sploving1@gmail.com>
Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Acked-by: Jon Maloy <jon.maloy@ericsson.cm>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c0cb8bf3a8e4bd82e640862cdd8891400405cb89 upstream.
The length of the GSS MIC token need not be a multiple of four bytes.
It is then padded by XDR to a multiple of 4 B, but unwrap_integ_data()
would previously only trim mic.len + 4 B. The remaining up to three
bytes would then trigger a check in nfs4svc_decode_compoundargs(),
leading to a "garbage args" error and mount failure:
nfs4svc_decode_compoundargs: compound not properly padded!
nfsd: failed to decode arguments!
This would prevent older clients using the pre-RFC 4121 MIC format
(37-byte MIC including a 9-byte OID) from mounting exports from v3.9+
servers using krb5i.
The trimming was introduced by commit 4c190e2f913f ("sunrpc: trim off
trailing checksum before returning decrypted or integrity authenticated
buffer").
Fixes: 4c190e2f913f "unrpc: trim off trailing checksum..."
Signed-off-by: Tomáš Trnka <ttrnka@mail.muni.cz>
Acked-by: Jeff Layton <jlayton@poochiereds.net>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://android.git.linaro.org/kernel/linaro-android into linux-linaro-lsk-v4.4-android
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(This cherry-picks b4201cc4fc6e1c57d6d306b1f787865043d60129 upstream)
This fixes:
net/mac80211/mesh_hwmp.c:603:26: warning: ‘target_metric’ may be used uninitialized in this function
target_metric is only consumed when reply = true so no bug exists here,
but not all versions of gcc realize it. Initialize to 0 to remove the
warning.
Change-Id: I13923fda9d314f48196c29e4354133dfe01f5abd
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
[jstultz: Cherry-picked to android-4.4]
Signed-off-by: John Stultz <john.stultz@linaro.org>
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In an issue very similar to 4e461c777e3 (xt_qtaguid: Fix panic
caused by synack processing), we were seeing panics on occasion
in testing.
In this case, it was the same issue, but caused by a different
call path, as the sk being returned from qtaguid_find_sk() was
not a full socket. Resulting in the sk->sk_socket deref to fail.
This patch adds an extra check to ensure the sk being retuned
is a full socket, and if not it returns NULL.
Reported-by: Milosz Wasilewski <milosz.wasilewski@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
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In upstream commit ca6fb06518836ef9b65dc0aac02ff97704d52a05
(tcp: attach SYNACK messages to request sockets instead of
listener)
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ca6fb0651883
The building of synack messages was changed, which made it so
the skb->sk points to a casted request_sock. This is problematic,
as there is no sk_socket in a request_sock. So when the qtaguid_mt
function tries to access the sk->sk_socket, it accesses uninitialized
memory.
After looking at how other netfilter implementations handle this,
I realized there was a skb_to_full_sk() helper added, which the
xt_qtaguid code isn't yet using.
This patch adds its use, and resovles panics seen when accessing
uninitialzed memory when processing synack packets.
Reported-by: YongQin Liu <yongquin.liu@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
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Update seq_printf() usage in xt_qtaguid to align
with changes from mainline commit 6798a8caaf64
"fs/seq_file: convert int seq_vprint/seq_printf/etc...
returns to void".
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
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This reverts commit 6b6d5fbf9ae567aefb58099a30bbb6d25fa8925b.
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
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This reverts commit afedd7beba14385fd797166751fde39e0f52cf72.
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
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This reverts commit 7c121720fa14889d59e933aad0a8b9ce948a39ae.
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
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This reverts commit 5c7566a29bff14166d952f2ea525d5231546f821.
This patch revert some changes in net/netfilter/xt_qtaguid.c as well.
I'll submit another patch to restore those changes.
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
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Use SOCK_DESTROY from now instead of SIOCKILLADDR
This reverts commit 38f0ec724f5306c81130ca9343c856aa37a76d54.
Change-Id: I2dcd833b66c88a48de8978dce9d72ab78f9af549
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This reverts commit 4747299b2c8e8778927b3df0501023d76fe4f2d5.
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This reverts commit 08f7c4280cd5efe9e274240c42177f459431bac2.
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This reverts commit 8bf4413b4f54e24120b90ecbfee426beeddc3ff0.
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This reverts commit 3823c8136f2170b3ac5e6a5f8b857746a786e845.
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Conflicts:
d_canonical_path in include/linux/dcache.h
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See the following build log splats. The sock_i_uid() helper doesn't
quite treat the parameter as 'const' (it acquires a member lock), but
this cast is the same approach taken by other callers in this file, so I
don't feel too bad about the fix.
CC net/ipv4/inet_connection_sock.o
CC net/ipv6/inet6_connection_sock.o
net/ipv6/inet6_connection_sock.c: In function ‘inet6_csk_route_req’:
net/ipv6/inet6_connection_sock.c:89:2: warning: passing argument 1 of ‘sock_i_uid’ discards ‘const’ qualifier from pointer target type [enabled by default]
In file included from include/linux/tcp.h:22:0,
from include/linux/ipv6.h:73,
from net/ipv6/inet6_connection_sock.c:18:
include/net/sock.h:1689:8: note: expected ‘struct sock *’ but argument is of type ‘const struct sock *’
net/ipv4/inet_connection_sock.c: In function ‘inet_csk_route_req’:
net/ipv4/inet_connection_sock.c:423:7: warning: passing argument 1 of ‘sock_i_uid’ discards ‘const’ qualifier from pointer target type [enabled by default]
In file included from include/net/inet_sock.h:27:0,
from include/net/inet_connection_sock.h:23,
from net/ipv4/inet_connection_sock.c:19:
include/net/sock.h:1689:8: note: expected ‘struct sock *’ but argument is of type ‘const struct sock *’
net/ipv4/inet_connection_sock.c: In function ‘inet_csk_route_child_sock’:
net/ipv4/inet_connection_sock.c:460:7: warning: passing argument 1 of ‘sock_i_uid’ discards ‘const’ qualifier from pointer target type [enabled by default]
In file included from include/net/inet_sock.h:27:0,
from include/net/inet_connection_sock.h:23,
from net/ipv4/inet_connection_sock.c:19:
include/net/sock.h:1689:8: note: expected ‘struct sock *’ but argument is of type ‘const struct sock *’
Change-Id: I5c156fc1a81f90323717bffd93c31d205b85620c
Signed-off-by: Brian Norris <briannorris@google.com>
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Lorenzo reported that we could not properly find v4mapped sockets
in inet_diag_find_one_icsk(). This patch fixes the issue.
[cherry-pick of fc439d9489479411fbf9bbbec2c768df89e85503]
Change-Id: I13515e83fb76d4729f00047f9eb142c929390fb2
Reported-by: Lorenzo Colitti <lorenzo@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
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When closing a listen socket, tcp_abort currently calls
tcp_done without clearing the request queue. If the socket has a
child socket that is established but not yet accepted, the child
socket is then left without a parent, causing a leak.
Fix this by setting the socket state to TCP_CLOSE and calling
inet_csk_listen_stop with the socket lock held, like tcp_close
does.
Tested using net_test. With this patch, calling SOCK_DESTROY on a
listen socket that has an established but not yet accepted child
socket results in the parent and the child being closed, such
that they no longer appear in sock_diag dumps.
[cherry-pick of net-next 2010b93e9317cc12acd20c4aed385af7f9d1681e]
Change-Id: I0555a142f11d8b36362ffd7c8ef4a5ecae8987c9
Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Lorenzo Colitti <lorenzo@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Adding support for SYN_RECV request sockets to tcp_abort()
is quite easy after our tcp listener rewrite.
Note that we also need to better handle listeners, or we might
leak not yet accepted children, because of a missing
inet_csk_listen_stop() call.
[cherry-pick of net-next 07f6f4a31e5a8dee67960fc07bb0b37c5f879d4d]
Change-Id: I8ec6b2e6ec24f330a69595abf1d5469ace79b3fd
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Lorenzo Colitti <lorenzo@google.com>
Tested-by: Lorenzo Colitti <lorenzo@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This implements SOCK_DESTROY for TCP sockets. It causes all
blocking calls on the socket to fail fast with ECONNABORTED and
causes a protocol close of the socket. It informs the other end
of the connection by sending a RST, i.e., initiating a TCP ABORT
as per RFC 793. ECONNABORTED was chosen for consistency with
FreeBSD.
[cherry-pick of net-next c1e64e298b8cad309091b95d8436a0255c84f54a]
Change-Id: I728a01ef03f2ccfb9016a3f3051ef00975980e49
Signed-off-by: Lorenzo Colitti <lorenzo@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This passes the SOCK_DESTROY operation to the underlying protocol
diag handler, or returns -EOPNOTSUPP if that handler does not
define a destroy operation.
Most of this patch is just renaming functions. This is not
strictly necessary, but it would be fairly counterintuitive to
have the code to destroy inet sockets be in a function whose name
starts with inet_diag_get.
[backport of net-next 6eb5d2e08f071c05ecbe135369c9ad418826cab2]
Change-Id: Idc13a7def20f492a5323ad2f8de105426293bd37
Signed-off-by: Lorenzo Colitti <lorenzo@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds a SOCK_DESTROY operation, a destroy function
pointer to sock_diag_handler, and a diag_destroy function
pointer. It does not include any implementation code.
[backport of net-next 64be0aed59ad519d6f2160868734f7e278290ac1]
Change-Id: Ic5327ff14b39dd268083ee4c1dc2c934b2820df5
Signed-off-by: Lorenzo Colitti <lorenzo@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, inet_diag_dump_one_icsk finds a socket and then dumps
its information to userspace. Split it into a part that finds the
socket and a part that dumps the information.
[cherry-pick of net-next b613f56ec9baf30edf5d9d607b822532a273dad7]
Change-Id: I144765afb6ff1cd66eb4757c9418112fb0b08a6f
Signed-off-by: Lorenzo Colitti <lorenzo@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Conflicts solution:
keep 'KBUILD_CFLAGS += -fno-pic'
in arch/arm64/Makefile
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* android-4.4: (475 commits)
android: base-cfg: Add CONFIG_IP_MULTICAST
android: recommended.cfg: enable taskstats
ANDROID: android: base-cfg: disable CONFIG_SYSVIPC
android: configs: base: enable configfs gadget functions
android: add CONFIG_DEBUG_RODATA to recommended config
android: configs: remove CONFIG_BATTERY_ANDROID=y
android: configs: base: enable IPV6
android: configs: Enable SELinux and its dependencies.
android: base-cfg: disable ALARM_DEV
android: base-cfg: turn off /dev/mem and /dev/kmem
android: base-cfg: enable ARMV8_DEPRECATED and subfeatures
android: base-cfg: enforce the needed XFRM_MODE_TUNNEL (for VPN)
android: base-cfg: disable LOGGER
android: base-cfg: enable DM_VERITY (used for secureboot)
android: configs: add systrace support to recommended configs
android: configs: update 3.10 options
android: configs: Add CONFIG_NETFILTER_XT_TARGET_IDLETIMER
android: configs: add IPV6 ROUTE INFO
android: configs: add TIMER_STATS back, helps with sysrq t.
android: configs: Add HIDRAW to recommended set
...
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This commit provides a mechanism for the host drivers to advertise the
support for different beacon intervals among the respective interface
combinations in a group, through NL80211_IFACE_COMB_BI_MIN_GCD (u32).
This value will be compared against GCD of all beaconing interfaces of
matching combinations.
If the driver doesn't advertise this value, the old behaviour where
all beacon intervals must be identical is retained.
If it is specified, then any beacon interval for an interface in the
interface combination as well as the GCD of all active beacon intervals
in the combination must be greater or equal to this value.
Signed-off-by: Purushottam Kushwaha <pkushwah@qti.qualcomm.com>
[change commit message, some variable names, small other things]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
Git-commit: 0c317a02ca982ca093e71bf07cb562265ba40032
CRs-fixed: 1025311
Change-Id: Ie432af1fefc79f88ec67d212f8b9880355c4266d
Signed-off-by: Purushottam Kushwaha <pkushwah@codeaurora.org>
[pkushwah@codeaurora.org: This commit also includes fix for memory leak
which was introduced by 0c317a02ca982ca093e71bf07cb562265ba40032
320c975f180b19296f0fd6c5bf2144e633aaba5e:
cfg80211: fix possible memory leak in cfg80211_iter_combinations()]
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