Disallow access to /proc/kcore when the kernel is locked down to prevent
access to cryptographic data. This is limited to lockdown
confidentiality mode and is still permitted in integrity mode.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Matthew Garrett <mjg59@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: James Morris <jmorris@namei.org>
The testmmiotrace module shouldn't be permitted when the kernel is locked
down as it can be used to arbitrarily read and write MMIO space. This is
a runtime check rather than buildtime in order to allow configurations
where the same kernel may be run in both locked down or permissive modes
depending on local policy.
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: David Howells <dhowells@redhat.com
Signed-off-by: Matthew Garrett <mjg59@google.com>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
cc: Thomas Gleixner <tglx@linutronix.de>
cc: Steven Rostedt <rostedt@goodmis.org>
cc: Ingo Molnar <mingo@kernel.org>
cc: "H. Peter Anvin" <hpa@zytor.com>
cc: x86@kernel.org
Signed-off-by: James Morris <jmorris@namei.org>
Lock down TIOCSSERIAL as that can be used to change the ioport and irq
settings on a serial port. This only appears to be an issue for the serial
drivers that use the core serial code. All other drivers seem to either
ignore attempts to change port/irq or give an error.
Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Matthew Garrett <mjg59@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
cc: Jiri Slaby <jslaby@suse.com>
Cc: linux-serial@vger.kernel.org
Signed-off-by: James Morris <jmorris@namei.org>
This option allows userspace to pass the RSDP address to the kernel, which
makes it possible for a user to modify the workings of hardware. Reject
the option when the kernel is locked down. This requires some reworking
of the existing RSDP command line logic, since the early boot code also
makes use of a command-line passed RSDP when locating the SRAT table
before the lockdown code has been initialised. This is achieved by
separating the command line RSDP path in the early boot code from the
generic RSDP path, and then copying the command line RSDP into boot
params in the kernel proper if lockdown is not enabled. If lockdown is
enabled and an RSDP is provided on the command line, this will only be
used when parsing SRAT (which shouldn't permit kernel code execution)
and will be ignored in the rest of the kernel.
(Modified by Matthew Garrett in order to handle the early boot RSDP
environment)
Signed-off-by: Josh Boyer <jwboyer@redhat.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Matthew Garrett <mjg59@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
cc: Dave Young <dyoung@redhat.com>
cc: linux-acpi@vger.kernel.org
Signed-off-by: James Morris <jmorris@namei.org>
custom_method effectively allows arbitrary access to system memory, making
it possible for an attacker to circumvent restrictions on module loading.
Disable it if the kernel is locked down.
Signed-off-by: Matthew Garrett <mjg59@google.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
cc: linux-acpi@vger.kernel.org
Signed-off-by: James Morris <jmorris@namei.org>
Writing to MSRs should not be allowed if the kernel is locked down, since
it could lead to execution of arbitrary code in kernel mode. Based on a
patch by Kees Cook.
Signed-off-by: Matthew Garrett <mjg59@google.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
cc: x86@kernel.org
Signed-off-by: James Morris <jmorris@namei.org>
IO port access would permit users to gain access to PCI configuration
registers, which in turn (on a lot of hardware) give access to MMIO
register space. This would potentially permit root to trigger arbitrary
DMA, so lock it down by default.
This also implicitly locks down the KDADDIO, KDDELIO, KDENABIO and
KDDISABIO console ioctls.
Signed-off-by: Matthew Garrett <mjg59@google.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
cc: x86@kernel.org
Signed-off-by: James Morris <jmorris@namei.org>
Any hardware that can potentially generate DMA has to be locked down in
order to avoid it being possible for an attacker to modify kernel code,
allowing them to circumvent disabled module loading or module signing.
Default to paranoid - in future we can potentially relax this for
sufficiently IOMMU-isolated devices.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Matthew Garrett <mjg59@google.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
cc: linux-pci@vger.kernel.org
Signed-off-by: James Morris <jmorris@namei.org>
This is a preparatory patch for kexec_file_load() lockdown. A locked down
kernel needs to prevent unsigned kernel images from being loaded with
kexec_file_load(). Currently, the only way to force the signature
verification is compiling with KEXEC_VERIFY_SIG. This prevents loading
usigned images even when the kernel is not locked down at runtime.
This patch splits KEXEC_VERIFY_SIG into KEXEC_SIG and KEXEC_SIG_FORCE.
Analogous to the MODULE_SIG and MODULE_SIG_FORCE for modules, KEXEC_SIG
turns on the signature verification but allows unsigned images to be
loaded. KEXEC_SIG_FORCE disallows images without a valid signature.
Signed-off-by: Jiri Bohac <jbohac@suse.cz>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Matthew Garrett <mjg59@google.com>
cc: kexec@lists.infradead.org
Signed-off-by: James Morris <jmorris@namei.org>
The kexec_load() syscall permits the loading and execution of arbitrary
code in ring 0, which is something that lock-down is meant to prevent. It
makes sense to disable kexec_load() in this situation.
This does not affect kexec_file_load() syscall which can check for a
signature on the image to be booted.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Matthew Garrett <mjg59@google.com>
Acked-by: Dave Young <dyoung@redhat.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
cc: kexec@lists.infradead.org
Signed-off-by: James Morris <jmorris@namei.org>
Allowing users to read and write to core kernel memory makes it possible
for the kernel to be subverted, avoiding module loading restrictions, and
also to steal cryptographic information.
Disallow /dev/mem and /dev/kmem from being opened this when the kernel has
been locked down to prevent this.
Also disallow /dev/port from being opened to prevent raw ioport access and
thus DMA from being used to accomplish the same thing.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Matthew Garrett <mjg59@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Cc: x86@kernel.org
Signed-off-by: James Morris <jmorris@namei.org>
If the kernel is locked down, require that all modules have valid
signatures that we can verify.
I have adjusted the errors generated:
(1) If there's no signature (ENODATA) or we can't check it (ENOPKG,
ENOKEY), then:
(a) If signatures are enforced then EKEYREJECTED is returned.
(b) If there's no signature or we can't check it, but the kernel is
locked down then EPERM is returned (this is then consistent with
other lockdown cases).
(2) If the signature is unparseable (EBADMSG, EINVAL), the signature fails
the check (EKEYREJECTED) or a system error occurs (eg. ENOMEM), we
return the error we got.
Note that the X.509 code doesn't check for key expiry as the RTC might not
be valid or might not have been transferred to the kernel's clock yet.
[Modified by Matthew Garrett to remove the IMA integration. This will
be replaced with integration with the IMA architecture policy
patchset.]
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Matthew Garrett <matthewgarrett@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Cc: Jessica Yu <jeyu@kernel.org>
Signed-off-by: James Morris <jmorris@namei.org>
While existing LSMs can be extended to handle lockdown policy,
distributions generally want to be able to apply a straightforward
static policy. This patch adds a simple LSM that can be configured to
reject either integrity or all lockdown queries, and can be configured
at runtime (through securityfs), boot time (via a kernel parameter) or
build time (via a kconfig option). Based on initial code by David
Howells.
Signed-off-by: Matthew Garrett <mjg59@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>
Add a mechanism to allow LSMs to make a policy decision around whether
kernel functionality that would allow tampering with or examining the
runtime state of the kernel should be permitted.
Signed-off-by: Matthew Garrett <mjg59@google.com>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: James Morris <jmorris@namei.org>
The lockdown module is intended to allow for kernels to be locked down
early in boot - sufficiently early that we don't have the ability to
kmalloc() yet. Add support for early initialisation of some LSMs, and
then add them to the list of names when we do full initialisation later.
Early LSMs are initialised in link order and cannot be overridden via
boot parameters, and cannot make use of kmalloc() (since the allocator
isn't initialised yet).
(Fixed by Stephen Rothwell to include a stub to fix builds when
!CONFIG_SECURITY)
Signed-off-by: Matthew Garrett <mjg59@google.com>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Casey Schaufler <casey@schaufler-ca.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: James Morris <jmorris@namei.org>
Pull perf fixes from Ingo Molnar:
"Various fixes, most of them related to bugs perf fuzzing found in the
x86 code"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/regs: Use PERF_REG_EXTENDED_MASK
perf/x86: Remove pmu->pebs_no_xmm_regs
perf/x86: Clean up PEBS_XMM_REGS
perf/x86/regs: Check reserved bits
perf/x86: Disable extended registers for non-supported PMUs
perf/ioctl: Add check for the sample_period value
perf/core: Fix perf_sample_regs_user() mm check
Pull power management fix from Rafael Wysocki:
"Avoid skipping bus-level PCI power management during system resume for
PCIe ports left in D0 during the preceding suspend transition on
platforms where the power states of those ports can change out of the
PCI layer's control"
* tag 'pm-5.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PCI: PM: Avoid skipping bus-level PM on platforms without ACPI
Pull XArray fixes from Matthew Wilcox:
- Account XArray nodes for the page cache to the appropriate cgroup
(Johannes Weiner)
- Fix idr_get_next() when called under the RCU lock (Matthew Wilcox)
- Add a test for xa_insert() (Matthew Wilcox)
* tag 'xarray-5.2-rc6' of git://git.infradead.org/users/willy/linux-dax:
XArray tests: Add check_insert
idr: Fix idr_get_next race with idr_remove
mm: fix page cache convergence regression
Merge misc fixes from Andrew Morton:
"15 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
linux/kernel.h: fix overflow for DIV_ROUND_UP_ULL
mm, swap: fix THP swap out
fork,memcg: alloc_thread_stack_node needs to set tsk->stack
MAINTAINERS: add CLANG/LLVM BUILD SUPPORT info
mm/vmalloc.c: avoid bogus -Wmaybe-uninitialized warning
mm/page_idle.c: fix oops because end_pfn is larger than max_pfn
initramfs: fix populate_initrd_image() section mismatch
mm/oom_kill.c: fix uninitialized oc->constraint
mm: hugetlb: soft-offline: dissolve_free_huge_page() return zero on !PageHuge
mm: soft-offline: return -EBUSY if set_hwpoison_free_buddy_page() fails
signal: remove the wrong signal_pending() check in restore_user_sigmask()
fs/binfmt_flat.c: make load_flat_shared_library() work
mm/mempolicy.c: fix an incorrect rebind node in mpol_rebind_nodemask
fs/proc/array.c: allow reporting eip/esp for all coredumping threads
mm/dev_pfn: exclude MEMORY_DEVICE_PRIVATE while computing virtual address
Pull RISC-V fixes from Paul Walmsley:
"Minor RISC-V fixes and one defconfig update.
The fixes have no functional impact:
- Fix some comment text in the memory management vmalloc_fault path.
- Fix some warnings from the DT compiler in our newly-added DT files.
- Change the newly-added DT bindings such that SoC IP blocks with
external I/O are marked as "disabled" by default, then enable them
explicitly in board DT files when the devices are used on the
board. This aligns the bindings with existing upstream practice.
- Add the MIT license as an option for a minor header file, at the
request of one of the U-Boot maintainers.
The RISC-V defconfig update builds the SiFive SPI driver and the
MMC-SPI driver by default. The intention here is to make v5.2 more
usable for testers and users with RISC-V hardware"
* tag 'riscv-for-v5.2/fixes-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: mm: Fix code comment
dt-bindings: clock: sifive: add MIT license as an option for the header file
dt-bindings: riscv: resolve 'make dt_binding_check' warnings
riscv: dts: Re-organize the DT nodes
RISC-V: defconfig: enable MMC & SPI for RISC-V
This is the minimal fix for stable, I'll send cleanups later.
Commit 854a6ed568 ("signal: Add restore_user_sigmask()") introduced
the visible change which breaks user-space: a signal temporary unblocked
by set_user_sigmask() can be delivered even if the caller returns
success or timeout.
Change restore_user_sigmask() to accept the additional "interrupted"
argument which should be used instead of signal_pending() check, and
update the callers.
Eric said:
: For clarity. I don't think this is required by posix, or fundamentally to
: remove the races in select. It is what linux has always done and we have
: applications who care so I agree this fix is needed.
:
: Further in any case where the semantic change that this patch rolls back
: (aka where allowing a signal to be delivered and the select like call to
: complete) would be advantage we can do as well if not better by using
: signalfd.
:
: Michael is there any chance we can get this guarantee of the linux
: implementation of pselect and friends clearly documented. The guarantee
: that if the system call completes successfully we are guaranteed that no
: signal that is unblocked by using sigmask will be delivered?
Link: http://lkml.kernel.org/r/20190604134117.GA29963@redhat.com
Fixes: 854a6ed568 ("signal: Add restore_user_sigmask()")
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Reported-by: Eric Wong <e@80x24.org>
Tested-by: Eric Wong <e@80x24.org>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Deepa Dinamani <deepa.kernel@gmail.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Jason Baron <jbaron@akamai.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: David Laight <David.Laight@ACULAB.COM>
Cc: <stable@vger.kernel.org> [5.0+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull clk fixes from Stephen Boyd:
"A handful of clk driver fixes and one core framework fix
- Do a DT/firmware lookup in clk_core_get() even when the DT index is
a nonsensical value
- Fix some clk data typos in the Amlogic DT headers/code
- Avoid returning junk in the TI clk driver when an invalid clk is
looked for
- Fix dividers for the emac clks on Stratix10 SoCs
- Fix default HDA rates on Tegra210 to correct distorted audio"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: socfpga: stratix10: fix divider entry for the emac clocks
clk: Do a DT parent lookup even when index < 0
clk: tegra210: Fix default rates for HDA clocks
clk: ti: clkctrl: Fix returning uninitialized data
clk: meson: meson8b: fix a typo in the VPU parent names array variable
clk: meson: fix MPLL 50M binding id typo
Pull HID fixes from Jiri Kosina:
- fix for one corner case in HID++ protocol with respect to handling
very long reports, from Hans de Goede
- power management fix in Intel-ISH driver, from Hyungwoo Yang
- use-after-free fix in Intel-ISH driver, from Dan Carpenter
- a couple of new device IDs/quirks from Kai-Heng Feng, Kyle Godbey and
Oleksandr Natalenko
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: intel-ish-hid: fix wrong driver_data usage
HID: multitouch: Add pointstick support for ALPS Touchpad
HID: logitech-dj: Fix forwarding of very long HID++ reports
HID: uclogic: Add support for Huion HS64 tablet
HID: chicony: add another quirk for PixArt mouse
HID: intel-ish-hid: Fix a use after free in load_fw_from_host()
Pull networking fixes from David Miller:
1) Fix ppp_mppe crypto soft dependencies, from Takashi Iawi.
2) Fix TX completion to be finite, from Sergej Benilov.
3) Use register_pernet_device to avoid a dst leak in tipc, from Xin
Long.
4) Double free of TX cleanup in Dirk van der Merwe.
5) Memory leak in packet_set_ring(), from Eric Dumazet.
6) Out of bounds read in qmi_wwan, from Bjørn Mork.
7) Fix iif used in mcast/bcast looped back packets, from Stephen
Suryaputra.
8) Fix neighbour resolution on raw ipv6 sockets, from Nicolas Dichtel.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (25 commits)
af_packet: Block execution of tasks waiting for transmit to complete in AF_PACKET
sctp: change to hold sk after auth shkey is created successfully
ipv6: fix neighbour resolution with raw socket
ipv6: constify rt6_nexthop()
net: dsa: microchip: Use gpiod_set_value_cansleep()
net: aquantia: fix vlans not working over bridged network
ipv4: reset rt_iif for recirculated mcast/bcast out pkts
team: Always enable vlan tx offload
net/smc: Fix error path in smc_init
net/smc: hold conns_lock before calling smc_lgr_register_conn()
bonding: Always enable vlan tx offload
net/ipv6: Fix misuse of proc_dointvec "skip_notify_on_dev_down"
ipv4: Use return value of inet_iif() for __raw_v4_lookup in the while loop
qmi_wwan: Fix out-of-bounds read
tipc: check msg->req data len in tipc_nl_compat_bearer_disable
net: macb: do not copy the mac address if NULL
net/packet: fix memory leak in packet_set_ring()
net/tls: fix page double free on TX cleanup
net/sched: cbs: Fix error path of cbs_module_init
tipc: change to use register_pernet_device
...
At Bin Meng's request, add the MIT license as an option for the SiFive
FU540 PRCI header file.
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Bin Meng <bmeng.cn@gmail.com>
There are platforms that do not call pm_set_suspend_via_firmware(),
so pm_suspend_via_firmware() returns 'false' on them, but the power
states of PCI devices (PCIe ports in particular) are changed as a
result of powering down core platform components during system-wide
suspend. Thus the pm_suspend_via_firmware() checks in
pci_pm_suspend_noirq() and pci_pm_resume_noirq() introduced by
commit 3e26c5feed ("PCI: PM: Skip devices in D0 for suspend-to-
idle") are not sufficient to determine that devices left in D0
during suspend will remain in D0 during resume and so the bus-level
power management can be skipped for them.
For this reason, introduce a new global suspend flag,
PM_SUSPEND_FLAG_NO_PLATFORM, set it for suspend-to-idle only
and replace the pm_suspend_via_firmware() checks mentioned above
with checks against this flag.
Fixes: 3e26c5feed ("PCI: PM: Skip devices in D0 for suspend-to-idle")
Reported-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
There is no functional change in this patch, it only prepares the next one.
rt6_nexthop() will be used by ip6_dst_lookup_neigh(), which uses const
variables.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Reported-by: kbuild test robot <lkp@intel.com>
Acked-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Multicast or broadcast egress packets have rt_iif set to the oif. These
packets might be recirculated back as input and lookup to the raw
sockets may fail because they are bound to the incoming interface
(skb_iif). If rt_iif is not zero, during the lookup, inet_iif() function
returns rt_iif instead of skb_iif. Hence, the lookup fails.
v2: Make it non vrf specific (David Ahern). Reword the changelog to
reflect it.
Signed-off-by: Stephen Suryaputra <ssuryaextr@gmail.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, in suspend() and resume(), ishtp client drivers are using
driver_data to get "struct ishtp_cl_device" object which is set by
bus driver. It's wrong since the driver_data should not be owned bus.
driver_data should be owned by the corresponding ishtp client driver.
Due to this, some ishtp client driver like cros_ec_ishtp which uses
its driver_data to transfer its data to its child doesn't work correctly.
So this patch removes setting driver_data in bus drier and instead of
using driver_data to get "struct ishtp_cl_device", since "struct device"
is embedded in "struct ishtp_cl_device", we introduce a helper function
that returns "struct ishtp_cl_device" from "struct device".
Signed-off-by: Hyungwoo Yang <hyungwoo.yang@intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Pull mtd fixes from Miquel Raynal:
- Set the raw NAND number of targets to the right value
- Fix a bug uncovered by a recent patch on Spansion SPI-NOR flashes
* tag 'mtd/fixes-for-5.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
mtd: spi-nor: use 16-bit WRR command when QE is set on spansion flashes
mtd: rawnand: initialize ntargets with maxchips
Pull networking fixes from David Miller:
1) Fix leak of unqueued fragments in ipv6 nf_defrag, from Guillaume
Nault.
2) Don't access the DDM interface unless the transceiver implements it
in bnx2x, from Mauro S. M. Rodrigues.
3) Don't double fetch 'len' from userspace in sock_getsockopt(), from
JingYi Hou.
4) Sign extension overflow in lio_core, from Colin Ian King.
5) Various netem bug fixes wrt. corrupted packets from Jakub Kicinski.
6) Fix epollout hang in hvsock, from Sunil Muthuswamy.
7) Fix regression in default fib6_type, from David Ahern.
8) Handle memory limits in tcp_fragment more appropriately, from Eric
Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (24 commits)
tcp: refine memory limit test in tcp_fragment()
inet: clear num_timeout reqsk_alloc()
net: mvpp2: debugfs: Add pmap to fs dump
ipv6: Default fib6_type to RTN_UNICAST when not set
net: hns3: Fix inconsistent indenting
net/af_iucv: always register net_device notifier
net/af_iucv: build proper skbs for HiperTransport
net/af_iucv: remove GFP_DMA restriction for HiperTransport
net: dsa: mv88e6xxx: fix shift of FID bits in mv88e6185_g1_vtu_loadpurge()
hvsock: fix epollout hang from race condition
net/udp_gso: Allow TX timestamp with UDP GSO
net: netem: fix use after free and double free with packet corruption
net: netem: fix backlog accounting for corrupted GSO frames
net: lio_core: fix potential sign-extension overflow on large shift
tipc: pass tunnel dev as NULL to udp_tunnel(6)_xmit_skb
ip6_tunnel: allow not to count pkts on tstats by passing dev as NULL
ip_tunnel: allow not to count pkts on tstats by setting skb's dev to NULL
tun: wake up waitqueues after IFF_UP is set
net: remove duplicate fetch in sock_getsockopt
tipc: fix issues with early FAILOVER_MSG from peer
...
Pull still more SPDX updates from Greg KH:
"Another round of SPDX updates for 5.2-rc6
Here is what I am guessing is going to be the last "big" SPDX update
for 5.2. It contains all of the remaining GPLv2 and GPLv2+ updates
that were "easy" to determine by pattern matching. The ones after this
are going to be a bit more difficult and the people on the spdx list
will be discussing them on a case-by-case basis now.
Another 5000+ files are fixed up, so our overall totals are:
Files checked: 64545
Files with SPDX: 45529
Compared to the 5.1 kernel which was:
Files checked: 63848
Files with SPDX: 22576
This is a huge improvement.
Also, we deleted another 20000 lines of boilerplate license crud,
always nice to see in a diffstat"
* tag 'spdx-5.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx: (65 commits)
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 507
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 506
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 505
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 504
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 503
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 502
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 501
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 499
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 498
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 497
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 496
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 495
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 491
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 490
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 489
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 488
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 487
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 486
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 485
...
Pull two misc vfs fixes from Jan Kara:
"One small quota fix fixing spurious EDQUOT errors and one fanotify fix
fixing a bug in the new fanotify FID reporting code"
* tag 'for_v5.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fanotify: update connector fsid cache on add mark
quota: fix a problem about transfer quota
Pull MMC fixes from Ulf Hansson:
"Here's quite a few MMC fixes intended for v5.2-rc6. This time it also
contains fixes for a WiFi driver, which device is attached to the SDIO
interface. Patches for the WiFi driver have been acked by the
corresponding maintainers.
Summary:
MMC core:
- Make switch to eMMC HS400 more robust for some controllers
- Add two SDIO func API to manage re-tuning constraints
- Prevent processing SDIO IRQs when the card is suspended
MMC host:
- sdhi: Disallow broken HS400 for M3-W ES1.2, RZ/G2M and V3H
- mtk-sd: Fixup support for SDIO IRQs
- sdhci-pci-o2micro: Fixup support for tuning
Wireless BRCMFMAC (SDIO):
- Deal with expected transmission errors related to the idle states
(handled by the Always-On-Subsystem or AOS) on the SDIO-based WiFi
on rk3288-veyron-minnie, rk3288-veyron-speedy and
rk3288-veyron-mickey"
* tag 'mmc-v5.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: core: Prevent processing SDIO IRQs when the card is suspended
mmc: sdhci: sdhci-pci-o2micro: Correctly set bus width when tuning
brcmfmac: sdio: Don't tune while the card is off
mmc: core: Add sdio_retune_hold_now() and sdio_retune_release()
brcmfmac: sdio: Disable auto-tuning around commands expected to fail
mmc: core: API to temporarily disable retuning for SDIO CRC errors
Revert "brcmfmac: disable command decode in sdio_aos"
mmc: mediatek: fix SDIO IRQ detection issue
mmc: mediatek: fix SDIO IRQ interrupt handle flow
mmc: core: complete HS400 before checking status
mmc: sdhi: disallow HS400 for M3-W ES1.2, RZ/G2M, and V3H
Pull block fixes from Jens Axboe:
"Three fixes that should go into this series.
One is a set of two patches from Christoph, fixing a page leak on same
page merges. Boiled down version of a bigger fix, but this one is more
appropriate for this late in the cycle (and easier to backport to
stable).
The last patch is for a divide error in MD, from Mariusz (via Song)"
* tag 'for-linus-20190620' of git://git.kernel.dk/linux-block:
md: fix for divide error in status_resync
block: fix page leak when merging to same page
block: return from __bio_try_merge_page if merging occured in the same page
Based on 1 normalized pattern(s):
this file is free software you can redistribute it and or modify it
under the terms of version 2 of the gnu general public license as
published by the free software foundation this program is
distributed in the hope that it will be useful but without any
warranty without even the implied warranty of merchantability or
fitness for a particular purpose see the gnu general public license
for more details you should have received a copy of the gnu general
public license along with this program if not write to the free
software foundation inc 51 franklin st fifth floor boston ma 02110
1301 usa
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 8 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081207.443595178@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license this
program is distributed in the hope that it will be useful but
without any warranty without even the implied warranty of
merchantability or fitness for a particular purpose see the gnu
general public license for more details you should have received a
copy of the gnu general public license along with this program if
not write to the free software foundation 51 franklin street fifth
floor boston ma 02110 1301 usa
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 1 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Enrico Weigelt <info@metux.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081207.308909165@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 2 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation #
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 4122 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
