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In function {ipv4,ipv6}_synproxy_hook we expect a normal tcp packet, but
the real server maybe reply an icmp error packet related to the exist
tcp conntrack, so we will access wrong tcp data.
Fix it by checking for the protocol field and only process tcp traffic.
Signed-off-by: Lin Zhang <xiaolou4617@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
syzkaller reports an out of bound read in strlcpy(), triggered
by xt_copy_counters_from_user()
Fix this by using memcpy(), then forcing a zero byte at the last position
of the destination, as Florian did for the non COMPAT code.
Fixes: d7591f0c41 ("netfilter: x_tables: introduce and use xt_copy_counters_from_user")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Chain counters are only enabled on demand since 9f08ea8481, skip them
when dumping them via netlink.
Fixes: 9f08ea8481 ("netfilter: nf_tables: keep chain counters away from hot path")
Reported-by: Johny Mattsson <johny.mattsson+kernel@gmail.com>
Tested-by: Johny Mattsson <johny.mattsson+kernel@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Free memory region, if nf_tables_set_alloc_name is not successful.
Fixes: 387454901b ("netfilter: nf_tables: Allow set names of up to 255 chars")
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
It is possible for ebt_in_hook to be triggered before ebt_table is assigned
resulting in a NULL-pointer dereference. Make sure hooks are
registered as the last step.
Fixes: aee12a0a37 ("ebtables: remove nf_hook_register usage")
Signed-off-by: Artem Savkov <asavkov@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Fix a race between ip_set_dump_start() and ip_set_swap().
The race is as follows:
* Without holding the ref lock, ip_set_swap() checks ref_netlink of the
set and it is 0.
* ip_set_dump_start() takes a reference on the set.
* ip_set_swap() does the swap (even though it now has a non-zero
reference count).
* ip_set_dump_start() gets the set from ip_set_list again which is now a
different set since it has been swapped.
* ip_set_dump_start() calls __ip_set_put_netlink() and hits a BUG_ON due
to the reference count being 0.
Fix this race by extending the critical region in which the ref lock is
held to include checking the ref counts.
The race can be reproduced with the following script:
while :; do
ipset destroy hash_ip1
ipset destroy hash_ip2
ipset create hash_ip1 hash:ip family inet hashsize 1024 \
maxelem 500000
ipset create hash_ip2 hash:ip family inet hashsize 300000 \
maxelem 500000
ipset create hash_ip3 hash:ip family inet hashsize 1024 \
maxelem 500000
ipset save &
ipset swap hash_ip3 hash_ip2
ipset destroy hash_ip3
wait
done
Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Acked-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Removing the ipset module leaves a small window where one cpu performs
module removal while another runs a command like 'ipset flush'.
ipset uses net_generic(), unregistering the pernet ops frees this
storage area.
Fix it by first removing the user-visible api handlers and the pernet
ops last.
Fixes: 1785e8f473 ("netfiler: ipset: Add net namespace for ipset")
Reported-by: Li Shuang <shuali@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Wrong comparison prevented the hash types to add a range with more than
2^31 addresses but reported as a success.
Fixes Netfilter's bugzilla id #1005, reported by Oleg Serditov and
Oliver Ford.
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
IPVS tunnel mode works as simple tunnel (see RFC 3168) copying ECN field
to outer header. That's result in packet drops on egress tunnels in case
the egress tunnel operates as ECN-capable with Full-functionality option
(like ip_tunnel and ip6_tunnel kernel modules), according to RFC 3168
section 9.1.1 recommendation.
This patch implements ECN full-functionality option into ipvs xmit code.
Cc: netdev@vger.kernel.org
Cc: lvs-devel@vger.kernel.org
Signed-off-by: Vadim Fedorenko <vfedorenko@yandex-team.ru>
Reviewed-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
When CONFIG_KASAN is enabled, the "--param asan-stack=1" causes rather large
stack frames in some functions. This goes unnoticed normally because
CONFIG_FRAME_WARN is disabled with CONFIG_KASAN by default as of commit
3f181b4d86 ("lib/Kconfig.debug: disable -Wframe-larger-than warnings with
KASAN=y").
The kernelci.org build bot however has the warning enabled and that led
me to investigate it a little further, as every build produces these warnings:
net/wireless/nl80211.c:4389:1: warning: the frame size of 2240 bytes is larger than 2048 bytes [-Wframe-larger-than=]
net/wireless/nl80211.c:1895:1: warning: the frame size of 3776 bytes is larger than 2048 bytes [-Wframe-larger-than=]
net/wireless/nl80211.c:1410:1: warning: the frame size of 2208 bytes is larger than 2048 bytes [-Wframe-larger-than=]
net/bridge/br_netlink.c:1282:1: warning: the frame size of 2544 bytes is larger than 2048 bytes [-Wframe-larger-than=]
Most of this problem is now solved in gcc-8, which can consolidate
the stack slots for the inline function arguments. On older compilers
we can add a workaround by declaring a local variable in each function
to pass the inline function argument.
Cc: stable@vger.kernel.org
Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81715
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Inlining these functions creates lots of stack variables that each take
64 bytes when KASAN is enabled, leading to this warning about potential
stack overflow:
drivers/net/ethernet/rocker/rocker_ofdpa.c: In function 'ofdpa_cmd_flow_tbl_add':
drivers/net/ethernet/rocker/rocker_ofdpa.c:621:1: error: the frame size of 2752 bytes is larger than 1536 bytes [-Werror=frame-larger-than=]
gcc-8 can now consolidate the stack slots itself, but on older versions
we get the same behavior by using a temporary variable that holds a
copy of the inline function argument.
Cc: stable@vger.kernel.org
Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81715
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
When mapping the RX DMA buffers, the driver was accidentally specifying
zero for the buffer length. Under normal circumstances, SWIOTLB does not
need to allocate a bounce buffer, so the address is just mapped without
checking the size field. This is why the error was not detected earlier.
Fixes: b9b17debc6 ("net: emac: emac gigabit ethernet controller driver")
Cc: stable@vger.kernel.org
Signed-off-by: Timur Tabi <timur@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Guillaume Nault says:
====================
l2tp: fix some races in session deletion
L2TP provides several interfaces for deleting sessions. Using two of
them concurrently can lead to use-after-free bugs.
Patch #2 uses a flag to prevent double removal of L2TP sessions.
Patch #1 fixes a bug found in the way. Fixing this bug is also
necessary for patch #2 to handle all cases.
This issue is similar to the tunnel deletion bug being worked on by
Sabrina: https://patchwork.ozlabs.org/patch/814173/
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
There are several ways to remove L2TP sessions:
* deleting a session explicitly using the netlink interface (with
L2TP_CMD_SESSION_DELETE),
* deleting the session's parent tunnel (either by closing the
tunnel's file descriptor or using the netlink interface),
* closing the PPPOL2TP file descriptor of a PPP pseudo-wire.
In some cases, when these methods are used concurrently on the same
session, the session can be removed twice, leading to use-after-free
bugs.
This patch adds a 'dead' flag, used by l2tp_session_delete() and
l2tp_tunnel_closeall() to prevent them from stepping on each other's
toes.
The session deletion path used when closing a PPPOL2TP file descriptor
doesn't need to be adapted. It already has to ensure that a session
remains valid for the lifetime of its PPPOL2TP file descriptor.
So it takes an extra reference on the session in the ->session_close()
callback (pppol2tp_session_close()), which is eventually dropped
in the ->sk_destruct() callback of the PPPOL2TP socket
(pppol2tp_session_destruct()).
Still, __l2tp_session_unhash() and l2tp_session_queue_purge() can be
called twice and even concurrently for a given session, but thanks to
proper locking and re-initialisation of list fields, this is not an
issue.
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
If l2tp_tunnel_delete() or l2tp_tunnel_closeall() deletes a session
right after pppol2tp_release() orphaned its socket, then the 'sock'
variable of the pppol2tp_session_close() callback is NULL. Yet the
session is still used by pppol2tp_release().
Therefore we need to take an extra reference in any case, to prevent
l2tp_tunnel_delete() or l2tp_tunnel_closeall() from freeing the session.
Since the pppol2tp_session_close() callback is only set if the session
is associated to a PPPOL2TP socket and that both l2tp_tunnel_delete()
and l2tp_tunnel_closeall() hold the PPPOL2TP socket before calling
pppol2tp_session_close(), we're sure that pppol2tp_session_close() and
pppol2tp_session_destruct() are paired and called in the right order.
So the reference taken by the former will be released by the later.
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
All the error handling paths 'goto error', except this one.
We should also go to error in this case, or some resources will be
leaking.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull parisc fixes from Helge Deller:
- Unbreak parisc bootloader by avoiding a gcc-7 optimization to convert
multiple byte-accesses into one word-access.
- Add missing HWPOISON page fault handler code. I completely missed
that when I added HWPOISON support during this merge window and it
only showed up now with the madvise07 LTP test case.
- Fix backtrace unwinding to stop when stack start has been reached.
- Issue warning if initrd has been loaded into memory regions with
broken RAM modules.
- Fix HPMC handler (parisc hardware fault handler) to comply with
architecture specification.
- Avoid compiler warnings about too large frame sizes.
- Minor init-section fixes.
* 'parisc-4.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Unbreak bootloader due to gcc-7 optimizations
parisc: Reintroduce option to gzip-compress the kernel
parisc: Add HWPOISON page fault handler code
parisc: Move init_per_cpu() into init section
parisc: Check if initrd was loaded into broken RAM
parisc: Add PDCE_CHECK instruction to HPMC handler
parisc: Add wrapper for pdc_instr() firmware function
parisc: Move start_parisc() into init section
parisc: Stop unwinding at start of stack
parisc: Fix too large frame size warnings
- Smattering of miscellanous fixes
- A five patch series for i40iw that had a patch (5/5) that was larger
than I would like, but I took it because it's needed for large scale
users
- An 8 patch series for bnxt_re that landed right as I was leaving on
PTO and so had to wait until now...they are all appropriate fixes for
-rc IMO
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma fixes from Doug Ledford:
- Smattering of miscellanous fixes
- A five patch series for i40iw that had a patch (5/5) that was larger
than I would like, but I took it because it's needed for large scale
users
- An 8 patch series for bnxt_re that landed right as I was leaving on
PTO and so had to wait until now...they are all appropriate fixes for
-rc IMO
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (22 commits)
bnxt_re: Don't issue cmd to delete GID for QP1 GID entry before the QP is destroyed
bnxt_re: Fix memory leak in FRMR path
bnxt_re: Remove RTNL lock dependency in bnxt_re_query_port
bnxt_re: Fix race between the netdev register and unregister events
bnxt_re: Free up devices in module_exit path
bnxt_re: Fix compare and swap atomic operands
bnxt_re: Stop issuing further cmds to FW once a cmd times out
bnxt_re: Fix update of qplib_qp.mtu when modified
i40iw: Add support for port reuse on active side connections
i40iw: Add missing VLAN priority
i40iw: Call i40iw_cm_disconn on modify QP to disconnect
i40iw: Prevent multiple netdev event notifier registrations
i40iw: Fail open if there are no available MSI-X vectors
RDMA/vmw_pvrdma: Fix reporting correct opcodes for completion
IB/bnxt_re: Fix frame stack compilation warning
IB/mlx5: fix debugfs cleanup
IB/ocrdma: fix incorrect fall-through on switch statement
IB/ipoib: Suppress the retry related completion errors
iw_cxgb4: remove the stid on listen create failure
iw_cxgb4: drop listen destroy replies if no ep found
...
Pull networking fixes from David Miller:
1) Fix NAPI poll list corruption in enic driver, from Christian
Lamparter.
2) Fix route use after free, from Eric Dumazet.
3) Fix regression in reuseaddr handling, from Josef Bacik.
4) Assert the size of control messages in compat handling since we copy
it in from userspace twice. From Meng Xu.
5) SMC layer bug fixes (missing RCU locking, bad refcounting, etc.)
from Ursula Braun.
6) Fix races in AF_PACKET fanout handling, from Willem de Bruijn.
7) Don't use ARRAY_SIZE on spinlock array which might have zero
entries, from Geert Uytterhoeven.
8) Fix miscomputation of checksum in ipv6 udp code, from Subash Abhinov
Kasiviswanathan.
9) Push the ipv6 header properly in ipv6 GRE tunnel driver, from Xin
Long.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (75 commits)
inet: fix improper empty comparison
net: use inet6_rcv_saddr to compare sockets
net: set tb->fast_sk_family
net: orphan frags on stand-alone ptype in dev_queue_xmit_nit
MAINTAINERS: update git tree locations for ieee802154 subsystem
net: prevent dst uses after free
net: phy: Fix truncation of large IRQ numbers in phy_attached_print()
net/smc: no close wait in case of process shut down
net/smc: introduce a delay
net/smc: terminate link group if out-of-sync is received
net/smc: longer delay for client link group removal
net/smc: adapt send request completion notification
net/smc: adjust net_device refcount
net/smc: take RCU read lock for routing cache lookup
net/smc: add receive timeout check
net/smc: add missing dev_put
net: stmmac: Cocci spatch "of_table"
lan78xx: Use default values loaded from EEPROM/OTP after reset
lan78xx: Allow EEPROM write for less than MAX_EEPROM_SIZE
lan78xx: Fix for eeprom read/write when device auto suspend
...
- in preparation for secid mapping add support for absolute root view
based labels
- add base infastructure for socket mediation
- add mount mediation
- add signal mediation
+ minor cleanups and changes
- be defensive, ensure unconfined profiles have dfas initialized
- add more debug asserts to apparmorfs
- enable policy unpacking to audit different reasons for failure
- cleanup conditional check for label in label_print
- Redundant condition: prev_ns. in [label.c:1498]
+ Bug Fixes
- fix regression in apparmorfs DAC access permissions
- fix build failure on sparc caused by undeclared signals
- fix sparse report of incorrect type assignment when freeing label proxies
- fix race condition in null profile creation
- Fix an error code in aafs_create()
- Fix logical error in verify_header()
- Fix shadowed local variable in unpack_trans_table()
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Merge tag 'apparmor-pr-2017-09-22' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor
Pull apparmor updates from John Johansen:
"This is the apparmor pull request, similar to SELinux and seccomp.
It's the same series that I was sent to James' security tree + one
regression fix that was found after the series was sent to James and
would have been sent for v4.14-rc2.
Features:
- in preparation for secid mapping add support for absolute root view
based labels
- add base infastructure for socket mediation
- add mount mediation
- add signal mediation
minor cleanups and changes:
- be defensive, ensure unconfined profiles have dfas initialized
- add more debug asserts to apparmorfs
- enable policy unpacking to audit different reasons for failure
- cleanup conditional check for label in label_print
- Redundant condition: prev_ns. in [label.c:1498]
Bug Fixes:
- fix regression in apparmorfs DAC access permissions
- fix build failure on sparc caused by undeclared signals
- fix sparse report of incorrect type assignment when freeing label proxies
- fix race condition in null profile creation
- Fix an error code in aafs_create()
- Fix logical error in verify_header()
- Fix shadowed local variable in unpack_trans_table()"
* tag 'apparmor-pr-2017-09-22' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor:
apparmor: fix apparmorfs DAC access permissions
apparmor: fix build failure on sparc caused by undeclared signals
apparmor: fix incorrect type assignment when freeing proxies
apparmor: ensure unconfined profiles have dfas initialized
apparmor: fix race condition in null profile creation
apparmor: move new_null_profile to after profile lookup fns()
apparmor: add base infastructure for socket mediation
apparmor: add more debug asserts to apparmorfs
apparmor: make policy_unpack able to audit different info messages
apparmor: add support for absolute root view based labels
apparmor: cleanup conditional check for label in label_print
apparmor: add mount mediation
apparmor: add the ability to mediate signals
apparmor: Redundant condition: prev_ns. in [label.c:1498]
apparmor: Fix an error code in aafs_create()
apparmor: Fix logical error in verify_header()
apparmor: Fix shadowed local variable in unpack_trans_table()
- Fix the initialization of resources in the ACPI WDAT watchdog
driver that uses unititialized memory which causes compiler
warnings to be triggered (Arnd Bergmann).
- Fix a recent regression in the ACPI device properties handling
that causes some device properties data to be skipped during
enumeration (Sakari Ailus).
- Fix a recent change in behavior that caused the ACPI_HANDLE()
macro to stop working for non-GPL code which is a problem for
the NVidia binary graphics driver, for example (John Hubbard).
- Add a MAINTAINERS entry for the ACPI PMIC drivers to specify
the official reviewers for that code (Rafael Wysocki).
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Merge tag 'acpi-4.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These fix the initialization of resources in the ACPI WDAT watchdog
driver, a recent regression in the ACPI device properties handling, a
recent change in behavior causing the ACPI_HANDLE() macro to only work
for GPL code and create a MAINTAINERS entry for ACPI PMIC drivers in
order to specify the official reviewers for that code.
Specifics:
- Fix the initialization of resources in the ACPI WDAT watchdog
driver that uses unititialized memory which causes compiler
warnings to be triggered (Arnd Bergmann).
- Fix a recent regression in the ACPI device properties handling that
causes some device properties data to be skipped during enumeration
(Sakari Ailus).
- Fix a recent change in behavior that caused the ACPI_HANDLE() macro
to stop working for non-GPL code which is a problem for the NVidia
binary graphics driver, for example (John Hubbard).
- Add a MAINTAINERS entry for the ACPI PMIC drivers to specify the
official reviewers for that code (Rafael Wysocki)"
* tag 'acpi-4.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: properties: Return _DSD hierarchical extension (data) sub-nodes correctly
ACPI / bus: Make ACPI_HANDLE() work for non-GPL code again
ACPI / watchdog: properly initialize resources
ACPI / PMIC: Add code reviewers to MAINTAINERS
Josef Bacik says:
====================
net: fix reuseaddr regression
I introduced a regression when reworking the fastreuse port stuff that allows
bind conflicts to occur once a reuseaddr successfully opens on an existing tb.
The root cause is I reversed an if statement which caused us to set the tb as if
there were no owners on the socket if there were, which obviously is not
correct.
Dave could you please queue these changes up for -stable, I've run them through
the net tests and added another test to check for this problem specifically.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When doing my reuseport rework I screwed up and changed a
if (hlist_empty(&tb->owners))
to
if (!hlist_empty(&tb->owners))
This is obviously bad as all of the reuseport/reuse logic was reversed,
which caused weird problems like allowing an ipv4 bind conflict if we
opened an ipv4 only socket on a port followed by an ipv6 only socket on
the same port.
Fixes: b9470c2760 ("inet: kill smallest_size and smallest_port")
Reported-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In ipv6_rcv_saddr_equal() we need to use inet6_rcv_saddr(sk) for the
ipv6 compare with the fast socket information to make sure we're doing
the proper comparisons.
Fixes: 637bc8bbe6 ("inet: reset tb->fastreuseport when adding a reuseport sk")
Reported-and-tested-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We need to set the tb->fast_sk_family properly so we can use the proper
comparison function for all subsequent reuseport bind requests.
Fixes: 637bc8bbe6 ("inet: reset tb->fastreuseport when adding a reuseport sk")
Reported-and-tested-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Zerocopy skbs frags are copied when the skb is looped to a local sock.
Commit 1080e512d4 ("net: orphan frags on receive") introduced calls
to skb_orphan_frags to deliver_skb and __netif_receive_skb for this.
With msg_zerocopy, these skbs can also exist in the tx path and thus
loop from dev_queue_xmit_nit. This already calls deliver_skb in its
loop. But it does not orphan before a separate pt_prev->func().
Add the missing skb_orphan_frags_rx.
Changes
v1->v2: handle skb_orphan_frags_rx failure
Fixes: 1f8b977ab3 ("sock: enable MSG_ZEROCOPY")
Signed-off-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Fix a regression in cpufreq on systems using DT as the source of
CPU configuration information where two different code paths
attempt to create the cpufreq-dt device object (there can be only
one) and fix up the "compatible" matching for some TI platforms
on top of that (Viresh Kumar, Dave Gerlach).
- Fix an initialization time memory leak in cpuidle on ARM which
occurs if the cpuidle driver initialization fails (Stefan Wahren).
- Fix a PM core function that checks whether or not there are any
system suspend/resume callbacks for a device, but forgets to
check legacy callbacks which then may be skipped incorrectly
and the system may crash and/or the device may become unusable
after a suspend-resume cycle (Rafael Wysocki).
- Fix request type validation for latency tolerance PM QoS requests
which may lead to unexpected behavior (Jan Schönherr).
- Fix a broken link to PM documentation from a header file and a
typo in a PM document (Geert Uytterhoeven, Rafael Wysocki).
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Merge tag 'pm-4.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix a cpufreq regression introduced by recent changes related to
the generic DT driver, an initialization time memory leak in cpuidle
on ARM, a PM core bug that may cause system suspend/resume to fail on
some systems, a request type validation issue in the PM QoS framework
and two documentation-related issues.
Specifics:
- Fix a regression in cpufreq on systems using DT as the source of
CPU configuration information where two different code paths
attempt to create the cpufreq-dt device object (there can be only
one) and fix up the "compatible" matching for some TI platforms on
top of that (Viresh Kumar, Dave Gerlach).
- Fix an initialization time memory leak in cpuidle on ARM which
occurs if the cpuidle driver initialization fails (Stefan Wahren).
- Fix a PM core function that checks whether or not there are any
system suspend/resume callbacks for a device, but forgets to check
legacy callbacks which then may be skipped incorrectly and the
system may crash and/or the device may become unusable after a
suspend-resume cycle (Rafael Wysocki).
- Fix request type validation for latency tolerance PM QoS requests
which may lead to unexpected behavior (Jan Schönherr).
- Fix a broken link to PM documentation from a header file and a typo
in a PM document (Geert Uytterhoeven, Rafael Wysocki)"
* tag 'pm-4.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: ti-cpufreq: Support additional am43xx platforms
ARM: cpuidle: Avoid memleak if init fail
cpufreq: dt-platdev: Add some missing platforms to the blacklist
PM: core: Fix device_pm_check_callbacks()
PM: docs: Drop an excess character from devices.rst
PM / QoS: Use the correct variable to check the QoS request type
driver core: Fix link to device power management documentation
Pull input fixes from Dmitry Torokhov:
- fixes for two long standing issues (lock up and a crash) in force
feedback handling in uinput driver
- tweak to firmware update timing in Elan I2C touchpad driver.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: elan_i2c - extend Flash-Write delay
Input: uinput - avoid crash when sending FF request to device going away
Input: uinput - avoid FF flush when destroying device
- sysctl and seccomp operation to discover available actions. (tyhicks)
- new per-filter configurable logging infrastructure and sysctl. (tyhicks)
- SECCOMP_RET_LOG to log allowed syscalls. (tyhicks)
- SECCOMP_RET_KILL_PROCESS as the new strictest possible action.
- self-tests for new behaviors.
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Merge tag 'seccomp-v4.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull seccomp updates from Kees Cook:
"Major additions:
- sysctl and seccomp operation to discover available actions
(tyhicks)
- new per-filter configurable logging infrastructure and sysctl
(tyhicks)
- SECCOMP_RET_LOG to log allowed syscalls (tyhicks)
- SECCOMP_RET_KILL_PROCESS as the new strictest possible action
- self-tests for new behaviors"
[ This is the seccomp part of the security pull request during the merge
window that was nixed due to unrelated problems - Linus ]
* tag 'seccomp-v4.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
samples: Unrename SECCOMP_RET_KILL
selftests/seccomp: Test thread vs process killing
seccomp: Implement SECCOMP_RET_KILL_PROCESS action
seccomp: Introduce SECCOMP_RET_KILL_PROCESS
seccomp: Rename SECCOMP_RET_KILL to SECCOMP_RET_KILL_THREAD
seccomp: Action to log before allowing
seccomp: Filter flag to log all actions except SECCOMP_RET_ALLOW
seccomp: Selftest for detection of filter flag support
seccomp: Sysctl to configure actions that are allowed to be logged
seccomp: Operation for checking if an action is available
seccomp: Sysctl to display available actions
seccomp: Provide matching filter for introspection
selftests/seccomp: Refactor RET_ERRNO tests
selftests/seccomp: Add simple seccomp overhead benchmark
selftests/seccomp: Add tests for basic ptrace actions
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Merge tag '4.14-smb3-fixes-from-recent-test-events-for-stable' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"Various SMB3 fixes for stable and security improvements from the
recently completed SMB3/Samba test events
* tag '4.14-smb3-fixes-from-recent-test-events-for-stable' of git://git.samba.org/sfrench/cifs-2.6:
SMB3: Don't ignore O_SYNC/O_DSYNC and O_DIRECT flags
SMB3: handle new statx fields
SMB: Validate negotiate (to protect against downgrade) even if signing off
cifs: release auth_key.response for reconnect.
cifs: release cifs root_cred after exit_cifs
CIFS: make arrays static const, reduces object code size
[SMB3] Update session and share information displayed for debugging SMB2/SMB3
cifs: show 'soft' in the mount options for hard mounts
SMB3: Warn user if trying to sign connection that authenticated as guest
SMB3: Fix endian warning
Fix SMB3.1.1 guest authentication to Samba
release and a rare NULL dereference in create_session_open_msg().
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Merge tag 'ceph-for-4.14-rc2' of git://github.com/ceph/ceph-client
Pull ceph fixes from Ilya Dryomov:
"Two small but important fixes: RADOS semantic change in upcoming v12.2.1
release and a rare NULL dereference in create_session_open_msg()"
* tag 'ceph-for-4.14-rc2' of git://github.com/ceph/ceph-client:
ceph: avoid panic in create_session_open_msg() if utsname() returns NULL
libceph: don't allow bidirectional swap of pg-upmap-items
Patches for ieee802154 will go through my new trees towards netdev from
now on. The 6LoWPAN subsystem will stay as is (shared between ieee802154
and bluetooth) and go through the bluetooth tree as usual.
Signed-off-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Steve French <smfrench@gmail.com>
CC: Stable <stable@vger.kernel.org>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Including:
- Two Kconfig fixes to fix dependencies that cause compile
failures when they are not fulfilled.
- Section mismatch fix for Intel VT-d
- A fix for PCI topology detection in ARM device-tree code
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Merge tag 'iommu-fixes-v4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
- two Kconfig fixes to fix dependencies that cause compile failures
when they are not fulfilled.
- a section mismatch fix for Intel VT-d
- a fix for PCI topology detection in ARM device-tree code
* tag 'iommu-fixes-v4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/of: Remove PCI host bridge node check
iommu/qcom: Depend on HAS_DMA to fix compile error
iommu/vt-d: Fix harmless section mismatch warning
iommu: Add missing dependencies
Pull arch/tile fixes from Chris Metcalf:
"These are a code cleanup and config cleanup, respectively"
* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
tile: array underflow in setup_maxnodemem()
tile: defconfig: Cleanup from old Kconfig options
- #ifdef CONFIG_EFI around __efi_fpsimd_begin/end
- Assembly code alignment reduced to 4 bytes from 16
- Ensure the kernel is compiled for LP64 (there are some arm64 compilers
around defaulting to ILP32)
- Fix arm_pmu_acpi memory leak on the error path
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- #ifdef CONFIG_EFI around __efi_fpsimd_begin/end
- Assembly code alignment reduced to 4 bytes from 16
- Ensure the kernel is compiled for LP64 (there are some arm64
compilers around defaulting to ILP32)
- Fix arm_pmu_acpi memory leak on the error path
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
drivers/perf: arm_pmu_acpi: Release memory obtained by kasprintf
arm64: ensure the kernel is compiled for LP64
arm64: relax assembly code alignment from 16 byte to 4 byte
arm64: efi: Don't include EFI fpsimd save/restore code in non-EFI kernels
We weren't returning the creation time or the two easily supported
attributes (ENCRYPTED or COMPRESSED) for the getattr call to
allow statx to return these fields.
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>\
Acked-by: Jeff Layton <jlayton@poochiereds.net>
CC: Stable <stable@vger.kernel.org>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Some architectures define the no-op macros/functions copy_segments,
release_segments and forget_segments. These are used nowhere in the
tree, so removed them.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Vineet Gupta <vgupta@synopsys.com> [for arch/arc]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* pm-core:
PM: core: Fix device_pm_check_callbacks()
* pm-qos:
PM / QoS: Use the correct variable to check the QoS request type
* pm-docs:
PM: docs: Drop an excess character from devices.rst
driver core: Fix link to device power management documentation
gcc-7 optimizes the byte-wise accesses of get_unaligned_le32() into
word-wise accesses if the 32-bit integer output_len is declared as
external. This panics then the bootloader since we don't have the
unaligned access fault trap handler installed during boot time.
Avoid this optimization by declaring output_len as byte-aligned and thus
unbreak the bootloader code.
Additionally, compile the boot code optimized for size.
Signed-off-by: Helge Deller <deller@gmx.de>
By adding the feature to build the kernel as self-extracting
executeable, the possibility to simply compress the kernel with gzip was
lost.
This patch now reintroduces this possibilty again and leaves it up to
the user to decide how the kernel should be built.
The palo bootloader is able to natively load both formats.
Signed-off-by: Helge Deller <deller@gmx.de>
The DAC access permissions for several apparmorfs files are wrong.
.access - needs to be writable by all tasks to perform queries
the others in the set only provide a read fn so should be read only.
With policy namespace virtualization all apparmor needs to control
the permission and visibility checks directly which means DAC
access has to be allowed for all user, group, and other.
BugLink: http://bugs.launchpad.net/bugs/1713103
Fixes: c97204baf8 ("apparmor: rename apparmor file fns and data to indicate use")
Signed-off-by: John Johansen <john.johansen@canonical.com>
In file included from security/apparmor/ipc.c:23:0:
security/apparmor/include/sig_names.h:26:3: error: 'SIGSTKFLT' undeclared here (not in a function)
[SIGSTKFLT] = 16, /* -, 16, - */
^
security/apparmor/include/sig_names.h:26:3: error: array index in initializer not of integer type
security/apparmor/include/sig_names.h:26:3: note: (near initialization for 'sig_map')
security/apparmor/include/sig_names.h:51:3: error: 'SIGUNUSED' undeclared here (not in a function)
[SIGUNUSED] = 34, /* -, 31, - */
^
security/apparmor/include/sig_names.h:51:3: error: array index in initializer not of integer type
security/apparmor/include/sig_names.h:51:3: note: (near initialization for 'sig_map')
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: c6bf1adaecaa ("apparmor: add the ability to mediate signals")
Signed-off-by: John Johansen <john.johansen@canonical.com>
sparse reports
poisoning the proxy->label before freeing the struct is resulting in
a sparse build warning.
../security/apparmor/label.c:52:30: warning: incorrect type in assignment (different address spaces)
../security/apparmor/label.c:52:30: expected struct aa_label [noderef] <asn:4>*label
../security/apparmor/label.c:52:30: got struct aa_label *<noident>
fix with RCU_INIT_POINTER as this is one of those cases where
rcu_assign_pointer() is not needed.
Signed-off-by: John Johansen <john.johansen@canonical.com>
