| Commit message (Collapse) | Author | Age | Files | Lines |
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git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Conflicts:
net/ipv4/ip_vti.c
Steffen Klassert says:
====================
pull request (net): ipsec 2014-05-15
This pull request has a merge conflict in net/ipv4/ip_vti.c
between commit 8d89dcdf80d8 ("vti: don't allow to add the same
tunnel twice") and commit a32452366b72 ("vti4:Don't count header
length twice"). It can be solved like it is done in linux-next.
1) Fix a ipv6 xfrm output crash when a packet is rerouted
by netfilter to not use IPsec.
2) vti4 counts some header lengths twice leading to an incorrect
device mtu. Fix this by counting these headers only once.
3) We don't catch the case if an unsupported protocol is submitted
to the xfrm protocol handlers, this can lead to NULL pointer
dereferences. Fix this by adding the appropriate checks.
4) vti6 may unregister pernet ops twice on init errors.
Fix this by removing one of the calls to do it only once.
From Mathias Krause.
5) Set the vti tunnel mark before doing a lookup in the error
handlers. Otherwise we don't find the correct xfrm state.
====================
The conflict in ip_vti.c was simple, 'net' had a commit
removing a line from vti_tunnel_init() and this tree
being merged had a commit adding a line to the same
location.
Signed-off-by: David S. Miller <davem@davemloft.net>
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We need to use the mark we get from the tunnels o_key to
lookup the right vti state in the error handlers. This patch
ensures that.
Fixes: df3893c1 ("vti: Update the ipv4 side to use it's own receive hook.")
Fixes: fa9ad96d ("vti6: Update the ipv6 side to use its own receive hook.")
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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If we fail to register one of the xfrm protocol handlers we will
unregister the pernet ops twice on the error exit path. This will
probably lead to a kernel panic as the double deregistration
leads to a double kfree().
Fix this by removing one of the calls to do it only once.
Fixes: fa9ad96d49 ("vti6: Update the ipv6 side to use its own...")
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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We don't catch the case if an unsupported protocol is submitted
to the xfrm6 protocol handlers, this can lead to NULL pointer
dereferences. Fix this by adding the appropriate checks.
Fixes: 7e14ea15 ("xfrm6: Add IPsec protocol multiplexer")
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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We don't catch the case if an unsupported protocol is submitted
to the xfrm4 protocol handlers, this can lead to NULL pointer
dereferences. Fix this by adding the appropriate checks.
Fixes: 3328715e ("xfrm4: Add IPsec protocol multiplexer")
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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We currently count the size of LL_MAX_HEADER and struct iphdr
twice for vti4 devices, this leads to a wrong device mtu.
The size of LL_MAX_HEADER and struct iphdr is already counted in
ip_tunnel_bind_dev(), so don't do it again in vti_tunnel_init().
Fixes: b9959fd3 ("vti: switch to new ip tunnel code")
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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The ipv6 xfrm output path is not aware that packets can be
rerouted by NAT to not use IPsec. We crash in this case
because we expect to have a xfrm state at the dst_entry.
This crash happens if the ipv6 layer does IPsec and NAT
or if we have an interfamily IPsec tunnel with ipv4 NAT.
We fix this by checking for a NAT rerouted packet in each
address family and dst_output() to the new destination
in this case.
Reported-by: Martin Pelikan <martin.pelikan@gmail.com>
Tested-by: Martin Pelikan <martin.pelikan@gmail.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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After the call to phy_init_hw failed in phy_attach_direct, phy_detach is called
to detach the phy device from its network device. If the attached driver is a
generic phy driver, this also detaches the driver. Subsequently phy_resume
is called, which assumes without checking that a driver is attached to the
device. This will result in a crash such as
Unable to handle kernel paging request for data at address 0xffffffffffffff90
Faulting instruction address: 0xc0000000003a0e18
Oops: Kernel access of bad area, sig: 11 [#1]
...
NIP [c0000000003a0e18] .phy_attach_direct+0x68/0x17c
LR [c0000000003a0e6c] .phy_attach_direct+0xbc/0x17c
Call Trace:
[c0000003fc0475d0] [c0000000003a0e6c] .phy_attach_direct+0xbc/0x17c (unreliable)
[c0000003fc047670] [c0000000003a0ff8] .phy_connect_direct+0x28/0x98
[c0000003fc047700] [c0000000003f0074] .of_phy_connect+0x4c/0xa4
Only call phy_resume if phy_init_hw was successful.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Vince Bridgers says:
====================
Altera TSE: Fix Sparse errors and misc issues
This is version 2 of a patch series to correct sparse errors, cppcheck
warnings, and workaound a multicast filtering issue in the Altera TSE
Ethernet driver. Multicast filtering is not working as expected, so if
present in the hardware will not be used and promiscuous mode enabled
instead. This workaround will be replaced with a working solution when
completely debugged, integrated and tested.
Version 2 is different from the first submission by breaking out the
workaround as a seperate patch and addressing a few structure instance
declarations by making them const per review comments.
If you find this patch acceptable, please consider this for inclusion into
the Altera TSE driver source code.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch disables multicast hash filtering if present in the hardware
and uses promiscuous mode instead until the problem with multicast
filtering has been debugged, integrated and tested.
Signed-off-by: Vince Bridgers <vbridgers2013@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes the many sparse errors and warnings contained in the
initial submission of the Altera Triple Speed Ethernet driver, and a
few minor cppcheck warnings. Changes are tested on ARM and NIOS2
example designs, and compile tested against multiple architectures.
Typical issues addressed were as follows:
altera_tse_ethtool.c:136:19: warning: incorrect type in argument
1 (different address spaces)
altera_tse_ethtool.c:136:19: expected void const volatile
[noderef] <asn:2>*addr
altera_tse_ethtool.c:136:19: got unsigned int *<noident>
...
altera_sgdma.c:129:31: warning: cast removes address space of
expression
Signed-off-by: Vince Bridgers <vbridgers2013@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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From: Cong Wang <cwang@twopensource.com>
commit 50624c934db18ab90 (net: Delay default_device_exit_batch until no
devices are unregistering) introduced rtnl_lock_unregistering() for
default_device_exit_batch(). Same race could happen we when rmmod a driver
which calls rtnl_link_unregister() as we call dev->destructor without rtnl
lock.
For long term, I think we should clean up the mess of netdev_run_todo()
and net namespce exit code.
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Cong Wang <cwang@twopensource.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is the s390 variant of Alexei's JIT bug fix.
(patch description below stolen from Alexei's patch)
bpf_alloc_binary() adds 128 bytes of room to JITed program image
and rounds it up to the nearest page size. If image size is close
to page size (like 4000), it is rounded to two pages:
round_up(4000 + 4 + 128) == 8192
then 'hole' is computed as 8192 - (4000 + 4) = 4188
If prandom_u32() % hole selects a number >= PAGE_SIZE - sizeof(*header)
then kernel will crash during bpf_jit_free():
kernel BUG at arch/x86/mm/pageattr.c:887!
Call Trace:
[<ffffffff81037285>] change_page_attr_set_clr+0x135/0x460
[<ffffffff81694cc0>] ? _raw_spin_unlock_irq+0x30/0x50
[<ffffffff810378ff>] set_memory_rw+0x2f/0x40
[<ffffffffa01a0d8d>] bpf_jit_free_deferred+0x2d/0x60
[<ffffffff8106bf98>] process_one_work+0x1d8/0x6a0
[<ffffffff8106bf38>] ? process_one_work+0x178/0x6a0
[<ffffffff8106c90c>] worker_thread+0x11c/0x370
since bpf_jit_free() does:
unsigned long addr = (unsigned long)fp->bpf_func & PAGE_MASK;
struct bpf_binary_header *header = (void *)addr;
to compute start address of 'bpf_binary_header'
and header->pages will pass junk to:
set_memory_rw(addr, header->pages);
Fix it by making sure that &header->image[prandom_u32() % hole] and &header
are in the same page.
Fixes: aa2d2c73c21f2 ("s390/bpf,jit: address randomize and write protect jit code")
Reported-by: Alexei Starovoitov <ast@plumgrid.com>
Cc: <stable@vger.kernel.org> # v3.11+
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When sending data through IUCV a MESSAGE COMPLETE interrupt
signals that sent data memory can be freed or reused again.
With commit f9c41a62bba3f3f7ef3541b2a025e3371bcbba97
"af_iucv: fix recvmsg by replacing skb_pull() function" the
MESSAGE COMPLETE callback iucv_callback_txdone() identifies
the wrong skb as being confirmed, which leads to data corruption.
This patch fixes the skb mapping logic in iucv_callback_txdone().
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On some BE3 FW versions, after a HW reset, interrupts will remain disabled
for each function. So, explicitly enable the interrupts in the eeh_resume
handler, else after an eeh recovery interrupts wouldn't work.
Signed-off-by: Kalesh AP <kalesh.purayil@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In my recent fix (76a691d0a: fix dma unmap warning), Ben Hutchings noted that my
loop count was incorrect. Where j started at startidx, it should have started
at zero, and gone on for count entries, not to endidx. Additionally, a DMA
resource exhaustion should drop the frame and (for now), return
NETDEV_TX_OK, not NETEV_TX_BUSY. This patch fixes both of those issues:
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: Ben Hutchings <ben@decadent.org.uk>
CC: "David S. Miller" <davem@davemloft.net>
CC: Guo-Fu Tseng <cooldavid@cooldavid.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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tot_len does specify the size of struct ipv6_txoptions. We need opt_flen +
opt_nflen to calculate the overall length of additional ipv6 extensions.
I found this while auditing the ipv6 output path for a memory corruption
reported by Alexey Preobrazhensky while he fuzzed an instrumented
AddressSanitizer kernel with trinity. This may or may not be the cause
of the original bug.
Fixes: 4df98e76cde7c6 ("ipv6: pmtudisc setting not respected with UFO/CORK")
Reported-by: Alexey Preobrazhensky <preobr@google.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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net_get_random_once depends on the static keys infrastructure to patch up
the branch to the slow path during boot. This was realized by abusing the
static keys api and defining a new initializer to not enable the call
site while still indicating that the branch point should get patched
up. This was needed to have the fast path considered likely by gcc.
The static key initialization during boot up normally walks through all
the registered keys and either patches in ideal nops or enables the jump
site but omitted that step on x86 if ideal nops where already placed at
static_key branch points. Thus net_get_random_once branches not always
became active.
This patch switches net_get_random_once to the ordinary static_key
api and thus places the kernel fast path in the - by gcc considered -
unlikely path. Microbenchmarks on Intel and AMD x86-64 showed that
the unlikely path actually beats the likely path in terms of cycle cost
and that different nop patterns did not make much difference, thus this
switch should not be noticeable.
Fixes: a48e42920ff38b ("net: introduce new macro net_get_random_once")
Reported-by: Tuomas Räsänen <tuomasjjrasanen@tjjr.fi>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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bpf_alloc_binary() adds 128 bytes of room to JITed program image
and rounds it up to the nearest page size. If image size is close
to page size (like 4000), it is rounded to two pages:
round_up(4000 + 4 + 128) == 8192
then 'hole' is computed as 8192 - (4000 + 4) = 4188
If prandom_u32() % hole selects a number >= PAGE_SIZE - sizeof(*header)
then kernel will crash during bpf_jit_free():
kernel BUG at arch/x86/mm/pageattr.c:887!
Call Trace:
[<ffffffff81037285>] change_page_attr_set_clr+0x135/0x460
[<ffffffff81694cc0>] ? _raw_spin_unlock_irq+0x30/0x50
[<ffffffff810378ff>] set_memory_rw+0x2f/0x40
[<ffffffffa01a0d8d>] bpf_jit_free_deferred+0x2d/0x60
[<ffffffff8106bf98>] process_one_work+0x1d8/0x6a0
[<ffffffff8106bf38>] ? process_one_work+0x178/0x6a0
[<ffffffff8106c90c>] worker_thread+0x11c/0x370
since bpf_jit_free() does:
unsigned long addr = (unsigned long)fp->bpf_func & PAGE_MASK;
struct bpf_binary_header *header = (void *)addr;
to compute start address of 'bpf_binary_header'
and header->pages will pass junk to:
set_memory_rw(addr, header->pages);
Fix it by making sure that &header->image[prandom_u32() % hole] and &header
are in the same page
Fixes: 314beb9bcabfd ("x86: bpf_jit_comp: secure bpf jit against spraying attacks")
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Included changes:
- properly release neigh_ifinfo in batadv_iv_ogm_process_per_outif()
- properly release orig_ifinfo->router when freeing orig_ifinfo
- properly release neigh_node objects during periodic check
- properly release neigh_info objects when the related hard_iface
is free'd
These changes are all very important because they fix some
reference counting imbalances that lead to the
impossibility of releasing the netdev object used by
batman-adv on shutdown.
The consequence is that such object cannot be destroyed by
the networking stack (the refcounter does not reach zero)
thus bringing the system in hanging state during a normal
reboot operation or a network reconfiguration.
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When an interface is removed separately, all neighbors need to be
checked if they have a neigh_ifinfo structure for that particular
interface. If that is the case, remove that ifinfo so any references to
a hard interface can be freed.
This is a regression introduced by
89652331c00f43574515059ecbf262d26d885717
("batman-adv: split tq information in neigh_node struct")
Reported-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Simon Wunderlich <simon@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
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The current code will not execute batadv_purge_orig_neighbors() when an
orig_ifinfo has already been purged. However we need to run it in any
case. Fix that.
This is a regression introduced by
7351a4822d42827ba0110677c0cbad88a3d52585
("batman-adv: split out router from orig_node")
Signed-off-by: Simon Wunderlich <simon@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
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When an interface is removed from batman-adv, the orig_ifinfo of a
orig_node may be removed without releasing the router first.
This will prevent the reference for the neighbor pointed at by the
orig_ifinfo->router to be released, and this leak may result in
reference leaks for the interface used by this neighbor. Fix that.
This is a regression introduced by
7351a4822d42827ba0110677c0cbad88a3d52585
("batman-adv: split out router from orig_node").
Reported-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Simon Wunderlich <simon@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
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The neigh_ifinfo object must be freed if it has been used in
batadv_iv_ogm_process_per_outif().
This is a regression introduced by
89652331c00f43574515059ecbf262d26d885717
("batman-adv: split tq information in neigh_node struct")
Reported-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Simon Wunderlich <simon@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
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Since commit 7e98056964("ipv6: router reachability probing"), a router falls
into NUD_FAILED will be probed.
Now if function rt6_select() selects a router which neighbour state is NUD_FAILED,
and at the same time function rt6_probe() changes the neighbour state to NUD_PROBE,
then function dst_neigh_output() can directly send packets, but actually the
neighbour still is unreachable. If we set nud_state to NUD_INCOMPLETE instead
NUD_PROBE, packets will not be sent out until the neihbour is reachable.
In addition, because the route should be probes with a single NS, so we must
set neigh->probes to neigh_max_probes(), then the neigh timer timeout and function
neigh_timer_handler() will not send other NS Messages.
Signed-off-by: Duan Jiong <duanj.fnst@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The function ip6_tnl_validate assumes that the rtnl
attribute IFLA_IPTUN_PROTO always be filled . If this
attribute is not filled by the userspace application
kernel get crashed with NULL pointer dereference. This
patch fixes the potential kernel crash when
IFLA_IPTUN_PROTO is missing .
Signed-off-by: Susant Sahani <susant@redhat.com>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If the sfc driver is in legacy interrupt mode (either explicitly by
using interrupt_mode module param or by falling back to it) it will
hit a warning at kernel/irq/manage.c because it will try to free an irq
which wasn't allocated by it in the first place because the MSI(X) irqs are
zero and it'll try to free them unconditionally. So fix it by checking if
we're in legacy mode and freeing the appropriate irqs.
CC: Zenghui Shi <zshi@redhat.com>
CC: Ben Hutchings <ben@decadent.org.uk>
CC: <linux-net-drivers@solarflare.com>
CC: Shradha Shah <sshah@solarflare.com>
CC: David S. Miller <davem@davemloft.net>
Fixes: 1899c111a535 ("sfc: Fix IRQ cleanup in case of a probe failure")
Reported-by: Zenghui Shi <zshi@redhat.com>
Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Acked-by: Shradha Shah <sshah@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Clearing the IFF_ALLMULTI flag on a down interface could cause an allmulti
overflow on the underlying interface.
Attempting the set IFF_ALLMULTI on the underlying interface would cause an
error and the log message:
"allmulti touches root, set allmulti failed."
Signed-off-by: Peter Christensen <pch@ordbogen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix kconfig warnings:
PTP_1588_CLOCK selects NET_PTP_CLASSIFY, which depends on NET,
so PTP_1588_CLOCK should also depend on NET.
PTP_1588_CLOCK_PCH selects PTP_1588_CLOCK so the former should
depend on NET.
warning: (IXP4XX_ETH && PTP_1588_CLOCK) selects NET_PTP_CLASSIFY which has unmet direct dependencies (NET)
warning: (SFC && TILE_NET && BFIN_MAC_USE_HWSTAMP && TIGON3 && FEC && E1000E && IGB && IXGBE && I40E && MLX4_EN && SXGBE_ETH && STMMAC_ETH && TI_CPTS && PTP_1588_CLOCK_GIANFAR && PTP_1588_CLOCK_IXP46X && DP83640_PHY && PTP_1588_CLOCK_PCH) selects PTP_1588_CLOCK which has unmet direct dependencies (NET)
[This warning is caused by the new 'depends on NET' in PTP_1588_CLOCK.]
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
John W. Linville says:
====================
pull request: wireless 2014-05-08
This one is all from Johannes:
"Here are a few small fixes for the current cycle: radiotap TX flags were
wrong (fix by Bob), Chun-Yeow fixes an SMPS issue with mesh interfaces,
Eliad fixes a locking bug and a cfg80211 state problem and finally
Henning sent me a fix for IBSS rate information."
Please let me know if there are problems!
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
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ieee80211_reconfig already holds rtnl, so calling
cfg80211_sched_scan_stopped results in deadlock.
Use the rtnl-version of this function instead.
Fixes: d43c6b6 ("mac80211: reschedule sched scan after HW restart")
Cc: stable@vger.kernel.org (3.14+)
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add locked-version for cfg80211_sched_scan_stopped.
This is used for some users that might want to
call it when rtnl is already locked.
Fixes: d43c6b6 ("mac80211: reschedule sched scan after HW restart")
Cc: stable@vger.kernel.org (3.14+)
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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cfg80211 is notified about connection failures by
__cfg80211_connect_result() call. However, this
function currently does not free cfg80211 sme.
This results in hanging connection attempts in some cases
e.g. when mac80211 authentication attempt is denied,
we have this function call:
ieee80211_rx_mgmt_auth() -> cfg80211_rx_mlme_mgmt() ->
cfg80211_process_auth() -> cfg80211_sme_rx_auth() ->
__cfg80211_connect_result()
but cfg80211_sme_free() is never get called.
Fixes: ceca7b712 ("cfg80211: separate internal SME implementation")
Cc: stable@vger.kernel.org (3.10+)
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Filter out incoming multicast packages before applying their bitrate
to the rx bitrate station info field to prevent them from setting the
rx bitrate to the basic multicast rate.
Signed-off-by: Henning Rogge <hrogge@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When using RTS/CTS, the CTS-to-Self bit in radiotap TX flags is
getting set instead of the RTS bit. Set the correct one.
Reported-by: Larry Maxwell <larrymaxwell@agilemesh.com>
Signed-off-by: Bob Copeland <bob@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The patch "mac80211: implement SMPS for AP" has caused kernel
oops at mesh STA if the peer mesh STA operates in sleep mode
and then becomes active mode. It can be easily reproduced by
setting the following commands at peer mesh STA:
iw mesh0 station set aa:bb:cc:dd:ee:ff mesh_power_mode deep
iw mesh0 station set aa:bb:cc:dd:ee:ff mesh_power_mode active
Kernel oops will happen at mesh STA aa:bb:cc:dd:ee:ff.
Fix this by avoiding SMPS for mesh mode.
Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In the cas_lock_tx function we acquire multiple locks in a loop and
need to use nested lock annotation to prevent lockdep warnings.
Reported-by: Meelis Roos <mroos@linux.ee>
Signed-off-by: Emil Goode <emilgoode@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 91ebb928b "bnx2x: Add support for Multi-Function UNDI" contains a bug
which prevent the emptying of the device's Rx buffers before reset.
As a result, on new boards it is likely HW will reach some fatal assertion
once its interfaces load after UNDI was previously loaded.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Johan Hovold says:
====================
net: cpsw and mdio-gpio fixes for v3.15-final
These patches against v3.15-rc4 fix a few issues in the cpsw and
mdio-gpio drivers.
Resend with proper stable CC (git send-email still fails to parse the
Sorry about the noise.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add missing of_node_put to avoid kref leak.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix null-pointer dereference at probe when the mdio platform device is
missing (e.g. when it has been disabled in DT).
Cc: stable <stable@vger.kernel.org> # v3.8
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit f8d56d8f892be43a2404356073e16401eb5a42e6 ("net:
eth: cpsw: Correctly attach to GPIO bitbang MDIO driver").
Fix potential null-pointer dereference at probe if the mdio-gpio device
has not been successfully probed yet.
The offending commit is plain wrong for a number of reasons. First of
all it accesses internal driver data of an unrelated device. Neither
does it check that the data is non-null (which it is in case the device
has not been probed yet).
Furthermore, the decision on whether to treat any driver data according
to the mdio-gpio driver's internals is made based on the node name. But
the name is not compared against "mdio" which is the normal name for the
node, but rather against "gpio" which the node does not have to be named
(and shouldn't be according to the binding documentation). [ If this
hack is to be kept out-of-tree it should at least be matching against
the compatible property. ]
Cc: Stefan Roese <sr@denx.de>
Cc: stable <stable@vger.kernel.org> # v3.14
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use a sane default bus id (rather than -ENODEV) and print a warning when
the bus alias id is missing.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix aliases syntax in device-tree binding example to avoid
copy-paste errors (the alias would be dropped silently).
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This driver maps 802.1q VLANs to MBIM sessions. The mapping is based on
a bogus assumption that all tagged frames will use the acceleration API
because we enable NETIF_F_HW_VLAN_CTAG_TX. This fails for e.g. frames
tagged in userspace using packet sockets. Such frames will erroneously
be considered as untagged and silently dropped based on not being IP.
Fix by falling back to looking into the ethernet header for a tag if no
accelerated tag was found.
Fixes: a82c7ce5bc5b ("net: cdc_ncm: map MBIM IPS SessionID to VLAN ID")
Cc: Greg Suarez <gsuarez@smithmicro.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following batch contains netfilter fixes for your net tree, they are:
1) Fix use after free in nfnetlink when sending a batch for some
unsupported subsystem, from Denys Fedoryshchenko.
2) Skip autoload of the nat module if no binding is specified via
ctnetlink, from Florian Westphal.
3) Set local_df after netfilter defragmentation to avoid a bogus ICMP
fragmentation needed in the forwarding path, also from Florian.
4) Fix potential user after free in ip6_route_me_harder() when returning
the error code to the upper layers, from Sergey Popovich.
5) Skip possible bogus ICMP time exceeded emitted from the router (not
valid according to RFC) if conntrack zones are used, from Vasily Averin.
6) Fix fragment handling when nf_defrag_ipv4 is loaded but nf_conntrack
is not present, also from Vasily.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Dst is released one line before we access it again with dst->error.
Fixes: 58e35d147128 netfilter: ipv6: propagate routing errors from
ip6_route_me_harder()
Signed-off-by: Sergey Popovich <popovich_sergei@mail.ru>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Currently bridge can silently drop ipv4 fragments.
If node have loaded nf_defrag_ipv4 module but have no nf_conntrack_ipv4,
br_nf_pre_routing defragments incoming ipv4 fragments
but nfct check in br_nf_dev_queue_xmit does not allow re-fragment combined
packet back, and therefore it is dropped in br_dev_queue_push_xmit without
incrementing of any failcounters
It seems the only way to hit the ip_fragment code in the bridge xmit
path is to have a fragment list whose reassembled fragments go over
the mtu. This only happens if nf_defrag is enabled. Thanks to
Florian Westphal for providing feedback to clarify this.
Defragmentation ipv4 is required not only in conntracks but at least in
TPROXY target and socket match, therefore #ifdef is changed from
NF_CONNTRACK_IPV4 to NF_DEFRAG_IPV4
Signed-off-by: Vasily Averin <vvs@openvz.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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