1044631 Commits

Author SHA1 Message Date
Stefano Garzarella
ba95a6225b vsock_diag_test: remove free_sock_stat() call in test_no_sockets
In `test_no_sockets` we don't expect any sockets, indeed
check_no_sockets() prints an error and exits if `sockets` list is
not empty, so free_sock_stat() call is unnecessary since it would
only be called when the `sockets` list is empty.

This was discovered by a strange warning printed by gcc v11.2.1:
  In file included from ../../include/linux/list.h:7,
                   from vsock_diag_test.c:18:
  vsock_diag_test.c: In function ‘test_no_sockets’:
  ../../include/linux/kernel.h:35:45: error: array subscript ‘struct vsock_stat[0]’ is partly outside array bound
  s of ‘struct list_head[1]’ [-Werror=array-bounds]
     35 |         const typeof(((type *)0)->member) * __mptr = (ptr);     \
        |                                             ^~~~~~
  ../../include/linux/list.h:352:9: note: in expansion of macro ‘container_of’
    352 |         container_of(ptr, type, member)
        |         ^~~~~~~~~~~~
  ../../include/linux/list.h:393:9: note: in expansion of macro ‘list_entry’
    393 |         list_entry((pos)->member.next, typeof(*(pos)), member)
        |         ^~~~~~~~~~
  ../../include/linux/list.h:522:21: note: in expansion of macro ‘list_next_entry’
    522 |                 n = list_next_entry(pos, member);                       \
        |                     ^~~~~~~~~~~~~~~
  vsock_diag_test.c:325:9: note: in expansion of macro ‘list_for_each_entry_safe’
    325 |         list_for_each_entry_safe(st, next, sockets, list) {
        |         ^~~~~~~~~~~~~~~~~~~~~~~~
  In file included from vsock_diag_test.c:18:
  vsock_diag_test.c:333:19: note: while referencing ‘sockets’
    333 |         LIST_HEAD(sockets);
        |                   ^~~~~~~
  ../../include/linux/list.h:23:26: note: in definition of macro ‘LIST_HEAD’
     23 |         struct list_head name = LIST_HEAD_INIT(name)

It seems related to some compiler optimization and assumption
about the empty `sockets` list, since this warning is printed
only with -02 or -O3. Also removing `exit(1)` from
check_no_sockets() makes the warning disappear since in that
case free_sock_stat() can be reached also when the list is
not empty.

Reported-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://lore.kernel.org/r/20211014152045.173872-1-sgarzare@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-15 17:21:34 -07:00
Jakub Kicinski
2151135a1f Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:

====================
Intel Wired LAN Driver Updates 2021-10-14

Brett ensures RDMA nodes are removed during release and rebuild. He also
corrects fw.mgmt.api to include the patch number for proper
identification.

Dave stops ida_free() being called when an IDA has not been allocated.

Michal corrects the order of parameters being provided and the number of
entries skipped for UDP tunnels.
====================

Link: https://lore.kernel.org/r/20211014181953.3538330-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-15 17:20:16 -07:00
Guenter Roeck
e21e52ad1e csky: Make HAVE_TCM depend on !COMPILE_TEST
Building csky:allmodconfig results in the following build errors.

arch/csky/mm/tcm.c:9:2: error:
		#error "You should define ITCM_RAM_BASE"
    9 | #error "You should define ITCM_RAM_BASE"
      |  ^~~~~
arch/csky/mm/tcm.c:14:2: error:
		#error "You should define DTCM_RAM_BASE"
   14 | #error "You should define DTCM_RAM_BASE"
      |  ^~~~~
arch/csky/mm/tcm.c:18:2: error:
		#error "You should define correct DTCM_RAM_BASE"
   18 | #error "You should define correct DTCM_RAM_BASE"

This is seen with compile tests since those enable HAVE_TCM,
but do not provide useful default values for ITCM_RAM_BASE or
DTCM_RAM_BASE. Disable HAVE_TCM for commpile tests to avoid
the error.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guo Ren <guoren@kernel.org>
2021-10-16 07:20:12 +08:00
Guenter Roeck
fb5d69a5cd csky: bitops: Remove duplicate __clear_bit define
Building csky:allmodconfig results in the following build error.

In file included from ./include/linux/bitops.h:33,
                 from ./include/linux/log2.h:12,
                 from kernel/bounds.c:13:
./arch/csky/include/asm/bitops.h:77: error: "__clear_bit" redefined

Since commit 9248e52fec95 ("locking/atomic: simplify non-atomic wrappers"),
__clear_bit is defined in include/asm-generic/bitops/non-atomic.h,
and the define in the csky include file is no longer necessary or useful.
Remove it.

Fixes: 9248e52fec95 ("locking/atomic: simplify non-atomic wrappers")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guo Ren <guoren@kernel.org>
2021-10-16 07:20:12 +08:00
Guenter Roeck
aeba0b84dd csky: Select ARCH_WANT_FRAME_POINTERS only if compiler supports it
Compiling csky:allmodconfig with an upstream C compiler results
in the following error.

csky-linux-gcc: error:
	unrecognized command-line option '-mbacktrace';
	did you mean '-fbacktrace'?

Select ARCH_WANT_FRAME_POINTERS only if gcc supports it to
avoid the error.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guo Ren <guoren@kernel.org>
2021-10-16 07:20:12 +08:00
Guo Ren
af89ebaa64 csky: Fixup regs.sr broken in ptrace
gpr_get() return the entire pt_regs (include sr) to userspace, if we
don't restore the C bit in gpr_set, it may break the ALU result in
that context. So the C flag bit is part of gpr context, that's why
riscv totally remove the C bit in the ISA. That makes sr reg clear
from userspace to supervisor privilege.

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: stable@vger.kernel.org
2021-10-16 07:20:12 +08:00
Al Viro
fbd63c08cd csky: don't let sigreturn play with priveleged bits of status register
csky restore_sigcontext() blindly overwrites regs->sr with the value
it finds in sigcontext.  Attacker can store whatever they want in there,
which includes things like S-bit.  Userland shouldn't be able to set
that, or anything other than C flag (bit 0).

Do the same thing other architectures with protected bits in flags
register do - preserve everything that shouldn't be settable in
user mode, picking the rest from the value saved is sigcontext.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Guo Ren <guoren@kernel.org>
Cc: stable@vger.kernel.org
2021-10-16 07:20:12 +08:00
Stephen Suryaputra
0857d6f8c7 ipv6: When forwarding count rx stats on the orig netdev
Commit bdb7cc643fc9 ("ipv6: Count interface receive statistics on the
ingress netdev") does not work when ip6_forward() executes on the skbs
with vrf-enslaved netdev. Use IP6CB(skb)->iif to get to the right one.

Add a selftest script to verify.

Fixes: bdb7cc643fc9 ("ipv6: Count interface receive statistics on the ingress netdev")
Signed-off-by: Stephen Suryaputra <ssuryaextr@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20211014130845.410602-1-ssuryaextr@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-15 15:32:04 -07:00
Arnd Bergmann
011ace4a7f i.MX fixes for 5.15, round 3:
- Add platform device for i.MX System Reset Controller (SRC) to fix
   a regression caused by fw_devlink change.
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Merge tag 'imx-fixes-5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes

i.MX fixes for 5.15, round 3:

- Add platform device for i.MX System Reset Controller (SRC) to fix
  a regression caused by fw_devlink change.

* tag 'imx-fixes-5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: imx: register reset controller from a platform driver

Link: https://lore.kernel.org/r/20211015070017.GI22881@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-15 20:48:08 +02:00
Takashi Iwai
eadeb06e76 ASoC: Fixes for v5.15
A colletion of smallish mostly driver specific fixes, the biggest thing
 here is fixing some of the core code to generate change notifications
 properly when writing to controls which will fix issues with UIs not
 showing the correct values.
 
 There's one build fix here with a slightly misleading changelog saying
 it's adding IRQ config support, it's adding a missing select of the
 regmap-irq code rather than adding a feature.
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Merge tag 'asoc-fix-v5.15-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v5.15

A colletion of smallish mostly driver specific fixes, the biggest thing
here is fixing some of the core code to generate change notifications
properly when writing to controls which will fix issues with UIs not
showing the correct values.

There's one build fix here with a slightly misleading changelog saying
it's adding IRQ config support, it's adding a missing select of the
regmap-irq code rather than adding a feature.
2021-10-15 17:43:46 +02:00
Linus Torvalds
8fe31e0995 gpio fixes for v5.15-rc6
- fix module autoloading on gpio-74x164 after a revert of OF modaliases
 - fix problems with the bias setting in gpio-pca953x
 - fix a use-after-free bug in gpio-mockup by using software nodes
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Merge tag 'gpio-fixes-for-v5.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio fixes from Bartosz Golaszewski:

 - fix module autoloading on gpio-74x164 after a revert of OF modaliases

 - fix problems with the bias setting in gpio-pca953x

 - fix a use-after-free bug in gpio-mockup by using software nodes

* tag 'gpio-fixes-for-v5.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpio: mockup: Convert to use software nodes
  gpio: pca953x: Improve bias setting
  gpio: 74x164: Add SPI device ID table
2021-10-15 10:27:20 -04:00
Linus Torvalds
985f6ab93f spi: Fixes for v5.15
A few small fixes for v5.15, mostly driver specific but there's one in
 the core which fixes a deadlock when adding devices on spi-mux that's
 triggered because spi-mux is a SPI device which is itself a SPI
 controller and so can instantiate devices when registered.  We were
 using a global lock to protect against reusing chip selects but they're
 a per controller thing so moving the lock per controller resolves that.
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Merge tag 'spi-fix-v5.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A few small fixes.

  Mostly driver specific but there's one in the core which fixes a
  deadlock when adding devices on spi-mux that's triggered because
  spi-mux is a SPI device which is itself a SPI controller and so can
  instantiate devices when registered.

  We were using a global lock to protect against reusing chip selects
  but they're a per controller thing so moving the lock per controller
  resolves that"

* tag 'spi-fix-v5.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi-mux: Fix false-positive lockdep splats
  spi: Fix deadlock when adding SPI controllers on SPI buses
  spi: bcm-qspi: clear MSPI spifie interrupt during probe
  spi: spi-nxp-fspi: don't depend on a specific node name erratum workaround
  spi: mediatek: skip delays if they are 0
  spi: atmel: Fix PDC transfer setup bug
  spi: spidev: Add SPI ID table
  spi: Use 'flash' node name instead of 'spi-flash' in example
2021-10-15 10:21:46 -04:00
Linus Torvalds
ccb6a666d5 regulator: Fix for v5.15
Just a trivial fix to the MAINTAINERS file for an update missed during
 conversion of the DT bindings to YAML format.
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Merge tag 'regulator-fix-v5.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fix from Mark Brown:
 "Just a trivial fix to the MAINTAINERS file for an update missed during
  conversion of the DT bindings to YAML format"

* tag 'regulator-fix-v5.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  MAINTAINERS: rectify entry for SY8106A REGULATOR DRIVER
2021-10-15 10:20:18 -04:00
Linus Torvalds
9e795d94de Raw NAND controller driver change:
* Qcom: Update code word value for raw reads (QPIC v2+)
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Merge tag 'mtd/fixes-for-5.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull mtd fix from Miquel Raynal:
 "Raw NAND controller driver fix:

   - Qcom: Update code word value for raw reads (QPIC v2+)"

* tag 'mtd/fixes-for-5.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
  mtd: rawnand: qcom: Update code word value for raw read
2021-10-15 10:13:00 -04:00
Linus Torvalds
591a495d44 drm fixes for 5.15-rc6
core:
 - clamp fbdev size
 - edid cap blocks read to avoid out of bounds
 
 panel:
 - fix missing crc32 dependency
 
 msm:
 - Fix a new crash on dev file close if the dev file was opened when
   GPU is not loaded (such as missing fw in initrd)
 - Switch to single drm_sched_entity per priority level per drm_file
   to unbreak multi-context userspace
 - Serialize GMU access to fix GMU OOB errors
 - Various error path fixes
 - A couple integer overflow fixes
 - Fix mdp5 cursor plane WARNs
 
 i915:
 - Fix ACPI object leak
 - Fix context leak in user proto-context creation
 - Fix missing i915_sw_fence_fini call
 
 hyperv:
 - hide hw pointer
 
 nouveau:
 - fix engine selection bit
 
 r128:
 - fix UML build
 
 rcar-du:
 - unconncted LVDS regression fix
 
 mediatek:
 - revert CMDQ refinement patches
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Merge tag 'drm-fixes-2021-10-15-1' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "It has a few scattered msm and i915 fixes, a few core fixes and a
  mediatek feature revert.

  I've had to pick a bunch of patches into this, as the drm-misc-fixes
  tree had a bunch of vc4 patches I wasn't comfortable with sending to
  you at least as part of this, they were delayed due to your reverts.
  If it's really useful as fixes I'll do a separate pull.

  Summary:

  Core:
   - clamp fbdev size
   - edid cap blocks read to avoid out of bounds

  panel:
   - fix missing crc32 dependency

  msm:
   - Fix a new crash on dev file close if the dev file was opened when
     GPU is not loaded (such as missing fw in initrd)
   - Switch to single drm_sched_entity per priority level per drm_file
     to unbreak multi-context userspace
   - Serialize GMU access to fix GMU OOB errors
   - Various error path fixes
   - A couple integer overflow fixes
   - Fix mdp5 cursor plane WARNs

  i915:
   - Fix ACPI object leak
   - Fix context leak in user proto-context creation
   - Fix missing i915_sw_fence_fini call

  hyperv:
   - hide hw pointer

  nouveau:
   - fix engine selection bit

  r128:
   - fix UML build

  rcar-du:
   - unconncted LVDS regression fix

  mediatek:
   - revert CMDQ refinement patches"

* tag 'drm-fixes-2021-10-15-1' of git://anongit.freedesktop.org/drm/drm: (34 commits)
  drm/panel: olimex-lcd-olinuxino: select CRC32
  drm/r128: fix build for UML
  drm/nouveau/fifo: Reinstate the correct engine bit programming
  drm/hyperv: Fix double mouse pointers
  drm/fbdev: Clamp fbdev surface size if too large
  drm/edid: In connector_bad_edid() cap num_of_ext by num_blocks read
  drm/i915: Free the returned object of acpi_evaluate_dsm()
  drm/i915: Fix bug in user proto-context creation that leaked contexts
  drm: rcar-du: Don't create encoder for unconnected LVDS outputs
  drm/msm/dsi: fix off by one in dsi_bus_clk_enable error handling
  drm/msm/dsi: Fix an error code in msm_dsi_modeset_init()
  drm/msm/dsi: dsi_phy_14nm: Take ready-bit into account in poll_for_ready
  drm/msm/dsi/phy: fix clock names in 28nm_8960 phy
  drm/msm/dpu: Fix address of SM8150 PINGPONG5 IRQ register
  drm/msm: Do not run snapshot on non-DPU devices
  drm/msm/a3xx: fix error handling in a3xx_gpu_init()
  drm/msm/a4xx: fix error handling in a4xx_gpu_init()
  drm/msm: Fix null pointer dereference on pointer edp
  drm/msm/mdp5: fix cursor-related warnings
  drm/msm: Avoid potential overflow in timeout_to_jiffies()
  ...
2021-10-15 10:09:09 -04:00
Linus Torvalds
86a44e9067 Fixed xfstests generic/016 generic/021 generic/022 generic/041 generic/274 generic/423,
some memory leaks and panic. Also many minor fixes.
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Merge tag 'ntfs3_for_5.15' of git://github.com/Paragon-Software-Group/linux-ntfs3

Pull ntfs3 fixes from Konstantin Komarov:
 "Use the new api for mounting as requested by Christoph.

  Also fixed:

   - some memory leaks and panic

   - xfstests (tested on x86_64) generic/016 generic/021 generic/022
     generic/041 generic/274 generic/423

   - some typos, wrong returned error codes, dead code, etc"

* tag 'ntfs3_for_5.15' of git://github.com/Paragon-Software-Group/linux-ntfs3: (70 commits)
  fs/ntfs3: Check for NULL pointers in ni_try_remove_attr_list
  fs/ntfs3: Refactor ntfs_read_mft
  fs/ntfs3: Refactor ni_parse_reparse
  fs/ntfs3: Refactor ntfs_create_inode
  fs/ntfs3: Refactor ntfs_readlink_hlp
  fs/ntfs3: Rework ntfs_utf16_to_nls
  fs/ntfs3: Fix memory leak if fill_super failed
  fs/ntfs3: Keep prealloc for all types of files
  fs/ntfs3: Remove unnecessary functions
  fs/ntfs3: Forbid FALLOC_FL_PUNCH_HOLE for normal files
  fs/ntfs3: Refactoring of ntfs_set_ea
  fs/ntfs3: Remove locked argument in ntfs_set_ea
  fs/ntfs3: Use available posix_acl_release instead of ntfs_posix_acl_release
  fs/ntfs3: Check for NULL if ATTR_EA_INFO is incorrect
  fs/ntfs3: Refactoring of ntfs_init_from_boot
  fs/ntfs3: Reject mount if boot's cluster size < media sector size
  fs/ntfs3: Refactoring lock in ntfs_init_acl
  fs/ntfs3: Change posix_acl_equiv_mode to posix_acl_update_mode
  fs/ntfs3: Pass flags to ntfs_set_ea in ntfs_set_acl_ex
  fs/ntfs3: Refactor ntfs_get_acl_ex for better readability
  ...
2021-10-15 09:58:11 -04:00
Michael Ellerman
cdeb5d7d89 KVM: PPC: Book3S HV: Make idle_kvm_start_guest() return 0 if it went to guest
We call idle_kvm_start_guest() from power7_offline() if the thread has
been requested to enter KVM. We pass it the SRR1 value that was returned
from power7_idle_insn() which tells us what sort of wakeup we're
processing.

Depending on the SRR1 value we pass in, the KVM code might enter the
guest, or it might return to us to do some host action if the wakeup
requires it.

If idle_kvm_start_guest() is able to handle the wakeup, and enter the
guest it is supposed to indicate that by returning a zero SRR1 value to
us.

That was the behaviour prior to commit 10d91611f426 ("powerpc/64s:
Reimplement book3s idle code in C"), however in that commit the
handling of SRR1 was reworked, and the zeroing behaviour was lost.

Returning from idle_kvm_start_guest() without zeroing the SRR1 value can
confuse the host offline code, causing the guest to crash and other
weirdness.

Fixes: 10d91611f426 ("powerpc/64s: Reimplement book3s idle code in C")
Cc: stable@vger.kernel.org # v5.2+
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211015133929.832061-2-mpe@ellerman.id.au
2021-10-16 00:40:03 +11:00
Michael Ellerman
9b4416c509 KVM: PPC: Book3S HV: Fix stack handling in idle_kvm_start_guest()
In commit 10d91611f426 ("powerpc/64s: Reimplement book3s idle code in
C") kvm_start_guest() became idle_kvm_start_guest(). The old code
allocated a stack frame on the emergency stack, but didn't use the
frame to store anything, and also didn't store anything in its caller's
frame.

idle_kvm_start_guest() on the other hand is written more like a normal C
function, it creates a frame on entry, and also stores CR/LR into its
callers frame (per the ABI). The problem is that there is no caller
frame on the emergency stack.

The emergency stack for a given CPU is allocated with:

  paca_ptrs[i]->emergency_sp = alloc_stack(limit, i) + THREAD_SIZE;

So emergency_sp actually points to the first address above the emergency
stack allocation for a given CPU, we must not store above it without
first decrementing it to create a frame. This is different to the
regular kernel stack, paca->kstack, which is initialised to point at an
initial frame that is ready to use.

idle_kvm_start_guest() stores the backchain, CR and LR all of which
write outside the allocation for the emergency stack. It then creates a
stack frame and saves the non-volatile registers. Unfortunately the
frame it creates is not large enough to fit the non-volatiles, and so
the saving of the non-volatile registers also writes outside the
emergency stack allocation.

The end result is that we corrupt whatever is at 0-24 bytes, and 112-248
bytes above the emergency stack allocation.

In practice this has gone unnoticed because the memory immediately above
the emergency stack happens to be used for other stack allocations,
either another CPUs mc_emergency_sp or an IRQ stack. See the order of
calls to irqstack_early_init() and emergency_stack_init().

The low addresses of another stack are the top of that stack, and so are
only used if that stack is under extreme pressue, which essentially
never happens in practice - and if it did there's a high likelyhood we'd
crash due to that stack overflowing.

Still, we shouldn't be corrupting someone else's stack, and it is purely
luck that we aren't corrupting something else.

To fix it we save CR/LR into the caller's frame using the existing r1 on
entry, we then create a SWITCH_FRAME_SIZE frame (which has space for
pt_regs) on the emergency stack with the backchain pointing to the
existing stack, and then finally we switch to the new frame on the
emergency stack.

Fixes: 10d91611f426 ("powerpc/64s: Reimplement book3s idle code in C")
Cc: stable@vger.kernel.org # v5.2+
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211015133929.832061-1-mpe@ellerman.id.au
2021-10-16 00:39:54 +11:00
David S. Miller
4884ddba7f Merge branch 'tcp-md5-vrf-fix'
Leonard Crestez says:

====================
tcp: md5: Fix overlap between vrf and non-vrf keys

With net.ipv4.tcp_l3mdev_accept=1 it is possible for a listen socket to
accept connection from the same client address in different VRFs. It is
also possible to set different MD5 keys for these clients which differ only
in the tcpm_l3index field.

This appears to work when distinguishing between different VRFs but not
between non-VRF and VRF connections. In particular:

* tcp_md5_do_lookup_exact will match a non-vrf key against a vrf key. This
means that adding a key with l3index != 0 after a key with l3index == 0
will cause the earlier key to be deleted. Both keys can be present if the
non-vrf key is added later.
* _tcp_md5_do_lookup can match a non-vrf key before a vrf key. This casues
failures if the passwords differ.

This can be fixed by making tcp_md5_do_lookup_exact perform an actual exact
comparison on l3index and by making  __tcp_md5_do_lookup perfer vrf-bound
keys above other considerations like prefixlen.

The fact that keys with l3index==0 affect VRF connections is usually not
desirable, VRFs are meant to be completely independent. This behavior needs
to preserved for backwards compatibility. Also, applications can just bind
listen sockets to VRF and never specify TCP_MD5SIG_FLAG_IFINDEX at all.

So far the combination of TCP_MD5SIG_FLAG_IFINDEX with tcpm_ifindex == 0
was an error, accept this to mean "key only applies to default VRF". This
is what applications using VRFs for traffic separation want.

This also contains tests for the second part. It does not contain tests for
overlapping keys, that would require more changes in nettest to add
multiple keys. These scenarios are also covered by my tests for TCP-AO,
especially around this area:
https://github.com/cdleonard/tcp-authopt-test/blob/main/tcp_authopt_test/test_vrf_bind.py

Changes since V2:
* Rename --do-bind-key-ifindex to --force-bind-key-ifindex
* Fix referencing TCP_MD5SIG_FLAG_IFINDEX as TCP_MD5SIG_IFINDEX
Link to v2: https://lore.kernel.org/netdev/cover.1634107317.git.cdleonard@gmail.com/

Changes since V1:
* Accept (TCP_MD5SIG_IFINDEX with tcpm_ifindex == 0)
* Add flags for explicitly including or excluding TCP_MD5SIG_FLAG_IFINDEX
to nettest
* Add few more tests in fcnal-test.sh.
Link to v1: https://lore.kernel.org/netdev/3d8387d499f053dba5cd9184c0f7b8445c4470c6.1633542093.git.cdleonard@gmail.com/
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-15 14:36:57 +01:00
Leonard Crestez
64e4017778 selftests: net/fcnal: Test --{force,no}-bind-key-ifindex
Test that applications binding listening sockets to VRFs without
specifying TCP_MD5SIG_FLAG_IFINDEX will work as expected. This would
be broken if __tcp_md5_do_lookup always made a strict comparison on
l3index. See this email:

https://lore.kernel.org/netdev/209548b5-27d2-2059-f2e9-2148f5a0291b@gmail.com/

Applications using tcp_l3mdev_accept=1 and a single global socket (not
bound to any interface) also should have a way to specify keys that are
only for the default VRF, this is done by --force-bind-key-ifindex
without otherwise binding to a device.

Signed-off-by: Leonard Crestez <cdleonard@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-15 14:36:57 +01:00
Leonard Crestez
78a9cf6143 selftests: nettest: Add --{force,no}-bind-key-ifindex
These options allow explicit control over the TCP_MD5SIG_FLAG_IFINDEX
flag instead of always setting it based on binding to an interface.

Do this by converting to getopt_long because nettest has too many
single-character flags already and getopt_long is widely used in
selftests.

Signed-off-by: Leonard Crestez <cdleonard@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-15 14:36:57 +01:00
Leonard Crestez
a76c2315be tcp: md5: Allow MD5SIG_FLAG_IFINDEX with ifindex=0
Multiple VRFs are generally meant to be "separate" but right now md5
keys for the default VRF also affect connections inside VRFs if the IP
addresses happen to overlap.

So far the combination of TCP_MD5SIG_FLAG_IFINDEX with tcpm_ifindex == 0
was an error, accept this to mean "key only applies to default VRF".
This is what applications using VRFs for traffic separation want.

Signed-off-by: Leonard Crestez <cdleonard@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-15 14:36:57 +01:00
Leonard Crestez
86f1e3a848 tcp: md5: Fix overlap between vrf and non-vrf keys
With net.ipv4.tcp_l3mdev_accept=1 it is possible for a listen socket to
accept connection from the same client address in different VRFs. It is
also possible to set different MD5 keys for these clients which differ
only in the tcpm_l3index field.

This appears to work when distinguishing between different VRFs but not
between non-VRF and VRF connections. In particular:

 * tcp_md5_do_lookup_exact will match a non-vrf key against a vrf key.
This means that adding a key with l3index != 0 after a key with l3index
== 0 will cause the earlier key to be deleted. Both keys can be present
if the non-vrf key is added later.
 * _tcp_md5_do_lookup can match a non-vrf key before a vrf key. This
casues failures if the passwords differ.

Fix this by making tcp_md5_do_lookup_exact perform an actual exact
comparison on l3index and by making  __tcp_md5_do_lookup perfer
vrf-bound keys above other considerations like prefixlen.

Fixes: dea53bb80e07 ("tcp: Add l3index to tcp_md5sig_key and md5 functions")
Signed-off-by: Leonard Crestez <cdleonard@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-15 14:36:57 +01:00
Vegard Nossum
46393d61a3 lan78xx: select CRC32
Fix the following build/link error by adding a dependency on the CRC32
routines:

  ld: drivers/net/usb/lan78xx.o: in function `lan78xx_set_multicast':
  lan78xx.c:(.text+0x48cf): undefined reference to `crc32_le'

The actual use of crc32_le() comes indirectly through ether_crc().

Fixes: 55d7de9de6c30 ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver")
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-15 14:34:35 +01:00
Greg Kroah-Hartman
cd932c2a1e USB-serial fixes for 5.15-rc6
Here are some new modem device ids.
 
 All have been in linux-next with no reported issues.
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Merge tag 'usb-serial-5.15-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus

Johan writes:

USB-serial fixes for 5.15-rc6

Here are some new modem device ids.

All have been in linux-next with no reported issues.

* tag 'usb-serial-5.15-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
  USB: serial: qcserial: add EM9191 QDL support
  USB: serial: option: add Quectel EC200S-CN module support
  USB: serial: option: add prod. id for Quectel EG91
  USB: serial: option: add Telit LE910Cx composition 0x1204
2021-10-15 15:04:02 +02:00
Xin Long
075718fdaf sctp: fix transport encap_port update in sctp_vtag_verify
transport encap_port update should be updated when sctp_vtag_verify()
succeeds, namely, returns 1, not returns 0. Correct it in this patch.

While at it, also fix the indentation.

Fixes: a1dd2cf2f1ae ("sctp: allow changing transport encap_port by peer packets")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-15 11:21:10 +01:00
Kele Huang
c2402d43d1 ptp: fix error print of ptp_kvm on X86_64 platform
Commit a86ed2cfa13c5 ("ptp: Don't print an error if ptp_kvm is not supported")
fixes the error message print on ARM platform by only concerning about
the case that the error returned from kvm_arch_ptp_init() is not -EOPNOTSUPP.
Although the ARM platform returns -EOPNOTSUPP if ptp_kvm is not supported
while X86_64 platform returns -KVM_EOPNOTSUPP, both error codes share the
same value 95.

Actually kvm_arch_ptp_init() on X86_64 platform can return three kinds of
errors (-KVM_ENOSYS, -KVM_EOPNOTSUPP and -KVM_EFAULT). The problem is that
-KVM_EOPNOTSUPP is masked out and -KVM_EFAULT is ignored among them.
This patch fixes this by returning them to ptp_kvm_init() respectively.

Signed-off-by: Kele Huang <huangkele@bytedance.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-15 11:19:25 +01:00
Kan Liang
71920ea97d perf/x86/msr: Add Sapphire Rapids CPU support
SMI_COUNT MSR is supported on Sapphire Rapids CPU.

Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/1633551137-192083-1-git-send-email-kan.liang@linux.intel.com
2021-10-15 11:25:26 +02:00
Arnd Bergmann
f42752729e eeprom: 93xx46: fix MODULE_DEVICE_TABLE
The newly added SPI device ID table does not work because the
entry is incorrectly copied from the OF device table.

During build testing, this shows as a compile failure when building
it as a loadable module:

drivers/misc/eeprom/eeprom_93xx46.c:424:1: error: redefinition of '__mod_of__eeprom_93xx46_of_table_device_table'
MODULE_DEVICE_TABLE(of, eeprom_93xx46_of_table);

Change the entry to refer to the correct symbol.

Fixes: 137879f7ff23 ("eeprom: 93xx46: Add SPI device ID table")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20211014153730.3821376-1-arnd@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-15 10:54:02 +02:00
Paolo Bonzini
e2b6d941ec KVM/arm64 fixes for 5.15, take #2
- Properly refcount pages used as a concatenated stage-2 PGD
 - Fix missing unlock when detecting the use of MTE+VM_SHARED
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Merge tag 'kvmarm-fixes-5.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 fixes for 5.15, take #2

- Properly refcount pages used as a concatenated stage-2 PGD
- Fix missing unlock when detecting the use of MTE+VM_SHARED
2021-10-15 04:47:55 -04:00
Paolo Bonzini
019057bd73 KVM: SEV-ES: fix length of string I/O
The size of the data in the scratch buffer is not divided by the size of
each port I/O operation, so vcpu->arch.pio.count ends up being larger
than it should be by a factor of size.

Cc: stable@vger.kernel.org
Fixes: 7ed9abfe8e9f ("KVM: SVM: Support string IO operations for an SEV-ES guest")
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-10-15 04:47:36 -04:00
Davide Baldo
d94befbb5a ALSA: hda/realtek: Fixes HP Spectre x360 15-eb1xxx speakers
In laptop 'HP Spectre x360 Convertible 15-eb1xxx/8811' both front and
rear speakers are silent, this patch fixes that by overriding the pin
layout and by initializing the amplifier which needs a GPIO pin to be
set to 1 then 0, similar to the existing HP Spectre x360 14 model.

In order to have volume control, both front and rear speakers were
forced to use the DAC1.

This patch also correctly map the mute LED but since there is no
microphone on/off switch exposed by the alsa subsystem it never turns
on by itself.

There are still known audio issues in this laptop: headset microphone
doesn't work, the button to mute/unmute microphone is not yet mapped,
the LED of the mute/unmute speakers doesn't seems to be exposed via
GPIO and never turns on.

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=213953
Signed-off-by: Davide Baldo <davide@baldo.me>
Link: https://lore.kernel.org/r/20211015072121.5287-1-davide@baldo.me
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-10-15 09:41:49 +02:00
Brendan Grieve
3c414eb65c ALSA: usb-audio: Provide quirk for Sennheiser GSP670 Headset
As per discussion at: https://github.com/szszoke/sennheiser-gsp670-pulseaudio-profile/issues/13

The GSP670 has 2 playback and 1 recording device that by default are
detected in an incompatible order for alsa. This may have been done to make
it compatible for the console by the manufacturer and only affects the
latest firmware which uses its own ID.

This quirk will resolve this by reordering the channels.

Signed-off-by: Brendan Grieve <brendan@grieve.com.au>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211015025335.196592-1-brendan@grieve.com.au
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-10-15 09:27:41 +02:00
Vegard Nossum
a14bc107ed drm/panel: olimex-lcd-olinuxino: select CRC32
Fix the following build/link error by adding a dependency on the CRC32
routines:

  ld: drivers/gpu/drm/panel/panel-olimex-lcd-olinuxino.o: in function `lcd_olinuxino_probe':
  panel-olimex-lcd-olinuxino.c:(.text+0x303): undefined reference to `crc32_le'

Fixes: 17fd7a9d324fd ("drm/panel: Add support for Olimex LCD-OLinuXino panel")
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211012115242.10325-1-vegard.nossum@oracle.com
Signed-off-by: Dave Airlie <airlied@redhat.com>
2021-10-15 15:05:13 +10:00
Randy Dunlap
1a361b41c1 drm/r128: fix build for UML
Fix a build error on CONFIG_UML, which does not support (provide)
wbinvd(). UML can use the generic mb() instead.

../drivers/gpu/drm/r128/ati_pcigart.c: In function ‘drm_ati_pcigart_init’:
../drivers/gpu/drm/r128/ati_pcigart.c:218:2: error: implicit declaration of function ‘wbinvd’ [-Werror=implicit-function-declaration]
  wbinvd();
  ^~~~~~

Fixes: 68f5d3f3b654 ("um: add PCI over virtio emulation driver")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: linux-um@lists.infradead.org
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211011080006.31081-1-rdunlap@infradead.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2021-10-15 15:05:10 +10:00
Marek Vasut
d1d94b0129 drm/nouveau/fifo: Reinstate the correct engine bit programming
Commit 64f7c698bea9 ("drm/nouveau/fifo: add engine_id hook") replaced
fifo/chang84.c g84_fifo_chan_engine() call with an indirect call of
fifo/g84.c g84_fifo_engine_id(). The G84_FIFO_ENGN_* values returned
from the later g84_fifo_engine_id() are incremented by 1 compared to
the previous g84_fifo_chan_engine() return values.

This is fine either way for most of the code, except this one line
where an engine bit programmed into the hardware is derived from the
return value. Decrement the return value accordingly, otherwise the
wrong engine bit is programmed into the hardware and that leads to
the following failure:
nouveau 0000:01:00.0: gr: 00000030 [ILLEGAL_MTHD ILLEGAL_CLASS] ch 1 [003fbce000 DRM] subc 3 class 0000 mthd 085c data 00000420

On the following hardware:
lspci -s 01:00.0
01:00.0 VGA compatible controller: NVIDIA Corporation GT216GLM [Quadro FX 880M] (rev a2)
lspci -ns 01:00.0
01:00.0 0300: 10de:0a3c (rev a2)

Fixes: 64f7c698bea9 ("drm/nouveau/fifo: add engine_id hook")
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: <stable@vger.kernel.org> # 5.12+
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Karol Herbst <kherbst@redhat.com>
Cc: Lyude Paul <lyude@redhat.com>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Reviewed-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Karol Herbst <kherbst@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211007214117.231472-1-marex@denx.de
Signed-off-by: Dave Airlie <airlied@redhat.com>
2021-10-15 15:04:58 +10:00
Dexuan Cui
b253c3026c drm/hyperv: Fix double mouse pointers
Hyper-V supports a hardware cursor feature. It is not used by Linux VM,
but the Hyper-V host still draws a point as an extra mouse pointer,
which is unwanted, especially when Xorg is running.

The hyperv_fb driver uses synthvid_send_ptr() to hide the unwanted pointer.
When the hyperv_drm driver was developed, the function synthvid_send_ptr()
was not copied from the hyperv_fb driver. Fix the issue by adding the
function into hyperv_drm.

Fixes: 76c56a5affeb ("drm/hyperv: Add DRM driver for hyperv synthetic video device")
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: Deepak Rawat <drawat.floss@gmail.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20210916193644.45650-1-decui@microsoft.com
Signed-off-by: Dave Airlie <airlied@redhat.com>
2021-10-15 15:04:44 +10:00
Thomas Zimmermann
b693e42921 drm/fbdev: Clamp fbdev surface size if too large
Clamp the fbdev surface size of the available maximumi height to avoid
failing to init console emulation. An example error is shown below.

  bad framebuffer height 2304, should be >= 768 && <= 768
  [drm] Initialized simpledrm 1.0.0 20200625 for simple-framebuffer.0 on minor 0
  simple-framebuffer simple-framebuffer.0: [drm] *ERROR* fbdev: Failed to setup generic emulation (ret=-22)

This is especially a problem with drivers that have very small screen
sizes and cannot over-allocate at all.

v2:
	* reduce warning level (Ville)

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: 11e8f5fd223b ("drm: Add simpledrm driver")
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reported-by: Amanoel Dawod <kernel@amanoeldawod.com>
Reported-by: Zoltán Kővágó <dirty.ice.hu@gmail.com>
Reported-by: Michael Stapelberg <michael+lkml@stapelberg.ch>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Maxime Ripard <maxime@cerno.tech>
Cc: dri-devel@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v5.14+
Link: https://patchwork.freedesktop.org/patch/msgid/20211005070355.7680-1-tzimmermann@suse.de
Signed-off-by: Dave Airlie <airlied@redhat.com>
2021-10-15 15:04:05 +10:00
Douglas Anderson
97794170b6 drm/edid: In connector_bad_edid() cap num_of_ext by num_blocks read
In commit e11f5bd8228f ("drm: Add support for DP 1.4 Compliance edid
corruption test") the function connector_bad_edid() started assuming
that the memory for the EDID passed to it was big enough to hold
`edid[0x7e] + 1` blocks of data (1 extra for the base block). It
completely ignored the fact that the function was passed `num_blocks`
which indicated how much memory had been allocated for the EDID.

Let's fix this by adding a bounds check.

This is important for handling the case where there's an error in the
first block of the EDID. In that case we will call
connector_bad_edid() without having re-allocated memory based on
`edid[0x7e]`.

Fixes: e11f5bd8228f ("drm: Add support for DP 1.4 Compliance edid corruption test")
Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211005192905.v2.1.Ib059f9c23c2611cb5a9d760e7d0a700c1295928d@changeid
Signed-off-by: Dave Airlie <airlied@redhat.com>
2021-10-15 15:03:57 +10:00
Dave Airlie
6011106d12 Mediatek DRM Fixes for Linux 5.15
1. Revert series "CMDQ refinement of Mediatek DRM driver"
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Merge tag 'mediatek-drm-fixes-5.15' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-fixes

Mediatek DRM Fixes for Linux 5.15

1. Revert series "CMDQ refinement of Mediatek DRM driver"

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211013235044.5488-1-chunkuang.hu@kernel.org
2021-10-15 15:02:57 +10:00
Philipp Zabel
a1467faa10 ARM: imx: register reset controller from a platform driver
Starting with commit 6b2117ad65f1 ("of: property: fw_devlink: Add
support for "resets" and "pwms""), the imx-drm driver fails to load
due to forever dormant devlinks to the reset-controller node. This
node was never associated with a struct device.

Add a platform device to allow fw_devnode to activate the devlinks.

Fixes: 6b2117ad65f1 ("of: property: fw_devlink: Add support for "resets" and "pwms"")
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Tested-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Saravana Kannan <saravanak@google.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-10-15 09:38:06 +08:00
Dave Airlie
1483f0a427 Merge tag 'drm-intel-fixes-2021-10-14' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
drm/i915 fixes for v5.15-rc6:
- Fix ACPI object leak
- Fix context leak in user proto-context creation
- Fix missing i915_sw_fence_fini call

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87zgrbvgls.fsf@intel.com
2021-10-15 10:00:48 +10:00
Linus Torvalds
ec681c53f8 Networking fixes for 5.15-rc6.
Current release - regressions:
 
  - af_unix: rename UNIX-DGRAM to UNIX to maintain backwards compatibility
 
  - procfs: revert "add seq_puts() statement for dev_mcast",
    minor format change broke user space
 
 Current release - new code bugs:
 
  - dsa: fix bridge_num not getting cleared after ports leaving
    the bridge, resource leak
 
  - dsa: tag_dsa: send packets with TX fwd offload from VLAN-unaware
    bridges using VID 0, prevent packet drops if pvid is removed
 
  - dsa: mv88e6xxx: keep the pvid at 0 when VLAN-unaware, prevent
    HW getting confused about station to VLAN mapping
 
 Previous releases - regressions:
 
  - virtio-net: fix for skb_over_panic inside big mode
 
  - phy: do not shutdown PHYs in READY state
 
  - dsa: mv88e6xxx: don't use PHY_DETECT on internal PHY's,
    fix link LED staying lit after ifdown
 
  - mptcp: fix possible infinite wait on recvmsg(MSG_WAITALL)
 
  - mqprio: Correct stats in mqprio_dump_class_stats()
 
  - ice: fix deadlock for Tx timestamp tracking flush
 
  - stmmac: fix feature detection on old hardware
 
 Previous releases - always broken:
 
  - sctp: account stream padding length for reconf chunk
 
  - icmp: fix icmp_ext_echo_iio parsing in icmp_build_probe()
 
  - isdn: cpai: check ctr->cnr to avoid array index out of bound
 
  - isdn: mISDN: fix sleeping function called from invalid context
 
  - nfc: nci: fix potential UAF of rf_conn_info object
 
  - dsa: microchip: prevent ksz_mib_read_work from kicking back
    in after it's canceled in .remove and crashing
 
  - dsa: mv88e6xxx: isolate the ATU databases of standalone and
    bridged ports
 
  - dsa: sja1105, ocelot: break circular dependency between switch
    and tag drivers
 
  - dsa: felix: improve timestamping in presence of packe loss
 
  - mlxsw: thermal: fix out-of-bounds memory accesses
 
 Misc:
 
  - ipv6: ioam: move the check for undefined bits to improve
    interoperability
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Quite calm.

  The noisy DSA driver (embedded switches) changes, and adjustment to
  IPv6 IOAM behavior add to diffstat's bottom line but are not scary.

  Current release - regressions:

   - af_unix: rename UNIX-DGRAM to UNIX to maintain backwards
     compatibility

   - procfs: revert "add seq_puts() statement for dev_mcast", minor
     format change broke user space

  Current release - new code bugs:

   - dsa: fix bridge_num not getting cleared after ports leaving the
     bridge, resource leak

   - dsa: tag_dsa: send packets with TX fwd offload from VLAN-unaware
     bridges using VID 0, prevent packet drops if pvid is removed

   - dsa: mv88e6xxx: keep the pvid at 0 when VLAN-unaware, prevent HW
     getting confused about station to VLAN mapping

  Previous releases - regressions:

   - virtio-net: fix for skb_over_panic inside big mode

   - phy: do not shutdown PHYs in READY state

   - dsa: mv88e6xxx: don't use PHY_DETECT on internal PHY's, fix link
     LED staying lit after ifdown

   - mptcp: fix possible infinite wait on recvmsg(MSG_WAITALL)

   - mqprio: Correct stats in mqprio_dump_class_stats()

   - ice: fix deadlock for Tx timestamp tracking flush

   - stmmac: fix feature detection on old hardware

  Previous releases - always broken:

   - sctp: account stream padding length for reconf chunk

   - icmp: fix icmp_ext_echo_iio parsing in icmp_build_probe()

   - isdn: cpai: check ctr->cnr to avoid array index out of bound

   - isdn: mISDN: fix sleeping function called from invalid context

   - nfc: nci: fix potential UAF of rf_conn_info object

   - dsa: microchip: prevent ksz_mib_read_work from kicking back in
     after it's canceled in .remove and crashing

   - dsa: mv88e6xxx: isolate the ATU databases of standalone and bridged
     ports

   - dsa: sja1105, ocelot: break circular dependency between switch and
     tag drivers

   - dsa: felix: improve timestamping in presence of packe loss

   - mlxsw: thermal: fix out-of-bounds memory accesses

  Misc:

   - ipv6: ioam: move the check for undefined bits to improve
     interoperability"

* tag 'net-5.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (60 commits)
  icmp: fix icmp_ext_echo_iio parsing in icmp_build_probe
  MAINTAINERS: Update the devicetree documentation path of imx fec driver
  sctp: account stream padding length for reconf chunk
  mlxsw: thermal: Fix out-of-bounds memory accesses
  ethernet: s2io: fix setting mac address during resume
  NFC: digital: fix possible memory leak in digital_in_send_sdd_req()
  NFC: digital: fix possible memory leak in digital_tg_listen_mdaa()
  nfc: fix error handling of nfc_proto_register()
  Revert "net: procfs: add seq_puts() statement for dev_mcast"
  net: encx24j600: check error in devm_regmap_init_encx24j600
  net: korina: select CRC32
  net: arc: select CRC32
  net: dsa: felix: break at first CPU port during init and teardown
  net: dsa: tag_ocelot_8021q: fix inability to inject STP BPDUs into BLOCKING ports
  net: dsa: felix: purge skb from TX timestamping queue if it cannot be sent
  net: dsa: tag_ocelot_8021q: break circular dependency with ocelot switch lib
  net: dsa: tag_ocelot: break circular dependency with ocelot switch lib driver
  net: mscc: ocelot: cross-check the sequence id from the timestamp FIFO with the skb PTP header
  net: mscc: ocelot: deny TX timestamping of non-PTP packets
  net: mscc: ocelot: warn when a PTP IRQ is raised for an unknown skb
  ...
2021-10-14 18:21:39 -04:00
Florian Westphal
3e6ed7703d selftests: netfilter: remove stray bash debug line
This should not be there.

Fixes: 2de03b45236f ("selftests: netfilter: add flowtable test script")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2021-10-14 23:08:35 +02:00
Antoine Tenart
174c376278 netfilter: ipvs: make global sysctl readonly in non-init netns
Because the data pointer of net/ipv4/vs/debug_level is not updated per
netns, it must be marked as read-only in non-init netns.

Fixes: c6d2d445d8de ("IPVS: netns, final patch enabling network name space.")
Signed-off-by: Antoine Tenart <atenart@kernel.org>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2021-10-14 23:08:35 +02:00
Xin Long
a482c5e00a netfilter: ip6t_rt: fix rt0_hdr parsing in rt_mt6
In rt_mt6(), when it's a nonlinear skb, the 1st skb_header_pointer()
only copies sizeof(struct ipv6_rt_hdr) to _route that rh points to.
The access by ((const struct rt0_hdr *)rh)->reserved will overflow
the buffer. So this access should be moved below the 2nd call to
skb_header_pointer().

Besides, after the 2nd skb_header_pointer(), its return value should
also be checked, othersize, *rp may cause null-pointer-ref.

v1->v2:
  - clean up some old debugging log.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2021-10-14 23:08:35 +02:00
Shunsuke Nakamura
3ff6d64e68 libperf tests: Fix test_stat_cpu
The `cpu` argument of perf_evsel__read() must specify the cpu index.

perf_cpu_map__for_each_cpu() is for iterating the cpu number (not index)
and is thus not appropriate for use with perf_evsel__read().

So, if there is an offline CPU, the cpu number specified in the argument
may point out of range because the cpu number and the cpu index are
different.

Fix test_stat_cpu().

Testing it:

  # make tests -C tools/lib/perf/
  make: Entering directory '/home/nakamura/kernel_src/linux-5.15-rc4_fix/tools/lib/perf'
  running static:
  - running tests/test-cpumap.c...OK
  - running tests/test-threadmap.c...OK
  - running tests/test-evlist.c...OK
  - running tests/test-evsel.c...OK
  running dynamic:
  - running tests/test-cpumap.c...OK
  - running tests/test-threadmap.c...OK
  - running tests/test-evlist.c...OK
  - running tests/test-evsel.c...OK
  make: Leaving directory '/home/nakamura/kernel_src/linux-5.15-rc4_fix/tools/lib/perf'

Signed-off-by: Shunsuke Nakamura <nakamura.shun@fujitsu.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20211011083704.4108720-1-nakamura.shun@fujitsu.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-10-14 15:41:35 -03:00
Shunsuke Nakamura
f304c8d949 libperf test evsel: Fix build error on !x86 architectures
In test_stat_user_read, following build error occurs except i386 and
x86_64 architectures:

tests/test-evsel.c:129:31: error: variable 'pc' set but not used [-Werror=unused-but-set-variable]
  struct perf_event_mmap_page *pc;

Fix build error.

Signed-off-by: Shunsuke Nakamura <nakamura.shun@fujitsu.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20211006095703.477826-1-nakamura.shun@fujitsu.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-10-14 15:41:35 -03:00
Alexey Bayduraev
8e820f9623 perf report: Output non-zero offset for decompressed records
Print offset of PERF_RECORD_COMPRESSED record instead of zero for
decompressed records in raw trace dump (-D option of perf-report):

  0x17cf08 [0x28]: event: 9

instead of:

  0 [0x28]: event: 9

The fix is not critical, because currently file_pos for compressed
events is used in perf_session__process_event only to show offsets
in the raw dump.

This patch was separated from patchset:

https://lore.kernel.org/lkml/cover.1629186429.git.alexey.v.bayduraev@linux.intel.com/

and was already rewieved.

Reviewed-by: Riccardo Mancini <rickyman7@gmail.com>
Signed-off-by: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Tested-by: Riccardo Mancini <rickyman7@gmail.com>
Acked-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Antonov <alexander.antonov@linux.intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexei Budankov <abudankov@huawei.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20210929091445.18274-1-alexey.v.bayduraev@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-10-14 15:41:35 -03:00
Brett Creeley
b726ddf984 ice: Print the api_patch as part of the fw.mgmt.api
Currently when a user uses "devlink dev info", the fw.mgmt.api will be
the major.minor numbers as shown below:

devlink dev info pci/0000:3b:00.0
pci/0000:3b:00.0:
  driver ice
  serial_number 00-01-00-ff-ff-00-00-00
  versions:
      fixed:
        board.id K91258-000
      running:
        fw.mgmt 6.1.2
        fw.mgmt.api 1.7 <--- No patch number included
        fw.mgmt.build 0xd75e7d06
        fw.mgmt.srev 5
        fw.undi 1.2992.0
        fw.undi.srev 5
        fw.psid.api 3.10
        fw.bundle_id 0x800085cc
        fw.app.name ICE OS Default Package
        fw.app 1.3.27.0
        fw.app.bundle_id 0xc0000001
        fw.netlist 3.10.2000-3.1e.0
        fw.netlist.build 0x2a76e110
      stored:
        fw.mgmt.srev 5
        fw.undi 1.2992.0
        fw.undi.srev 5
        fw.psid.api 3.10
        fw.bundle_id 0x800085cc
        fw.netlist 3.10.2000-3.1e.0
        fw.netlist.build 0x2a76e110

There are many features in the driver that depend on the major, minor,
and patch version of the FW. Without the patch number in the output for
fw.mgmt.api debugging issues related to the FW API version is difficult.
Also, using major.minor.patch aligns with the existing firmware version
which uses a 3 digit value.

Fix this by making the fw.mgmt.api print the major.minor.patch
versions. Shown below is the result:

devlink dev info pci/0000:3b:00.0
pci/0000:3b:00.0:
  driver ice
  serial_number 00-01-00-ff-ff-00-00-00
  versions:
      fixed:
        board.id K91258-000
      running:
        fw.mgmt 6.1.2
        fw.mgmt.api 1.7.9 <--- patch number included
        fw.mgmt.build 0xd75e7d06
        fw.mgmt.srev 5
        fw.undi 1.2992.0
        fw.undi.srev 5
        fw.psid.api 3.10
        fw.bundle_id 0x800085cc
        fw.app.name ICE OS Default Package
        fw.app 1.3.27.0
        fw.app.bundle_id 0xc0000001
        fw.netlist 3.10.2000-3.1e.0
        fw.netlist.build 0x2a76e110
      stored:
        fw.mgmt.srev 5
        fw.undi 1.2992.0
        fw.undi.srev 5
        fw.psid.api 3.10
        fw.bundle_id 0x800085cc
        fw.netlist 3.10.2000-3.1e.0
        fw.netlist.build 0x2a76e110

Fixes: ff2e5c700e08 ("ice: add basic handler for devlink .info_get")
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-10-14 10:14:46 -07:00