Commit Graph

1107660 Commits

Author SHA1 Message Date
Jiri Pirko
9a7923668b net: devlink: make devlink_dpipe_headers_register() return void
The return value is not used, so change the return value type to void.

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-14 21:58:46 -07:00
Jakub Kicinski
816cd16883 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
include/net/sock.h
  310731e2f1 ("net: Fix data-races around sysctl_mem.")
  e70f3c7012 ("Revert "net: set SK_MEM_QUANTUM to 4096"")
https://lore.kernel.org/all/20220711120211.7c8b7cba@canb.auug.org.au/

net/ipv4/fib_semantics.c
  747c143072 ("ip: fix dflt addr selection for connected nexthop")
  d62607c3fe ("net: rename reference+tracking helpers")

net/tls/tls.h
include/net/tls.h
  3d8c51b25a ("net/tls: Check for errors in tls_device_init")
  5879031423 ("tls: create an internal header")

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-14 15:27:35 -07:00
Nathan Chancellor
db88697968 x86/speculation: Use DECLARE_PER_CPU for x86_spec_ctrl_current
Clang warns:

  arch/x86/kernel/cpu/bugs.c:58:21: error: section attribute is specified on redeclared variable [-Werror,-Wsection]
  DEFINE_PER_CPU(u64, x86_spec_ctrl_current);
                      ^
  arch/x86/include/asm/nospec-branch.h:283:12: note: previous declaration is here
  extern u64 x86_spec_ctrl_current;
             ^
  1 error generated.

The declaration should be using DECLARE_PER_CPU instead so all
attributes stay in sync.

Cc: stable@vger.kernel.org
Fixes: fc02735b14 ("KVM: VMX: Prevent guest RSB poisoning attacks with eIBRS")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-07-14 14:52:43 -07:00
Linus Torvalds
9bd572ec7a Including fixes from netfilter, bpf and wireless.
Current release - regressions:
 
  - wifi: rtw88: fix write to const table of channel parameters
 
 Current release - new code bugs:
 
  - mac80211: add gfp_t parameter to
    ieeee80211_obss_color_collision_notify
 
  - mlx5:
    - TC, allow offload from uplink to other PF's VF
    - Lag, decouple FDB selection and shared FDB
    - Lag, correct get the port select mode str
 
  - bnxt_en: fix and simplify XDP transmit path
 
  - r8152: fix accessing unset transport header
 
 Previous releases - regressions:
 
  - conntrack: fix crash due to confirmed bit load reordering
    (after atomic -> refcount conversion)
 
  - stmmac: dwc-qos: disable split header for Tegra194
 
 Previous releases - always broken:
 
  - mlx5e: ring the TX doorbell on DMA errors
 
  - bpf: make sure mac_header was set before using it
 
  - mac80211: do not wake queues on a vif that is being stopped
 
  - mac80211: fix queue selection for mesh/OCB interfaces
 
  - ip: fix dflt addr selection for connected nexthop
 
  - seg6: fix skb checksums for SRH encapsulation/insertion
 
  - xdp: fix spurious packet loss in generic XDP TX path
 
  - bunch of sysctl data race fixes
 
  - nf_log: incorrect offset to network header
 
 Misc:
 
  - bpf: add flags arg to bpf_dynptr_read and bpf_dynptr_write APIs
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from netfilter, bpf and wireless.

  Still no major regressions, the release continues to be calm. An
  uptick of fixes this time around due to trivial data race fixes and
  patches flowing down from subtrees.

  There has been a few driver fixes (particularly a few fixes for false
  positives due to 66e4c8d950 which went into -next in May!) that make
  me worry the wide testing is not exactly fully through.

  So "calm" but not "let's just cut the final ASAP" vibes over here.

  Current release - regressions:

   - wifi: rtw88: fix write to const table of channel parameters

  Current release - new code bugs:

   - mac80211: add gfp_t arg to ieeee80211_obss_color_collision_notify

   - mlx5:
      - TC, allow offload from uplink to other PF's VF
      - Lag, decouple FDB selection and shared FDB
      - Lag, correct get the port select mode str

   - bnxt_en: fix and simplify XDP transmit path

   - r8152: fix accessing unset transport header

  Previous releases - regressions:

   - conntrack: fix crash due to confirmed bit load reordering (after
     atomic -> refcount conversion)

   - stmmac: dwc-qos: disable split header for Tegra194

  Previous releases - always broken:

   - mlx5e: ring the TX doorbell on DMA errors

   - bpf: make sure mac_header was set before using it

   - mac80211: do not wake queues on a vif that is being stopped

   - mac80211: fix queue selection for mesh/OCB interfaces

   - ip: fix dflt addr selection for connected nexthop

   - seg6: fix skb checksums for SRH encapsulation/insertion

   - xdp: fix spurious packet loss in generic XDP TX path

   - bunch of sysctl data race fixes

   - nf_log: incorrect offset to network header

  Misc:

   - bpf: add flags arg to bpf_dynptr_read and bpf_dynptr_write APIs"

* tag 'net-5.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (87 commits)
  nfp: flower: configure tunnel neighbour on cmsg rx
  net/tls: Check for errors in tls_device_init
  MAINTAINERS: Add an additional maintainer to the AMD XGBE driver
  xen/netback: avoid entering xenvif_rx_next_skb() with an empty rx queue
  selftests/net: test nexthop without gw
  ip: fix dflt addr selection for connected nexthop
  net: atlantic: remove aq_nic_deinit() when resume
  net: atlantic: remove deep parameter on suspend/resume functions
  sfc: fix kernel panic when creating VF
  seg6: bpf: fix skb checksum in bpf_push_seg6_encap()
  seg6: fix skb checksum in SRv6 End.B6 and End.B6.Encaps behaviors
  seg6: fix skb checksum evaluation in SRH encapsulation/insertion
  sfc: fix use after free when disabling sriov
  net: sunhme: output link status with a single print.
  r8152: fix accessing unset transport header
  net: stmmac: fix leaks in probe
  net: ftgmac100: Hold reference returned by of_get_child_by_name()
  nexthop: Fix data-races around nexthop_compat_mode.
  ipv4: Fix data-races around sysctl_ip_dynaddr.
  tcp: Fix a data-race around sysctl_tcp_ecn_fallback.
  ...
2022-07-14 12:48:07 -07:00
Linus Torvalds
f41d5df5f1 three smb3 client fixes: 2 related to multichannel, one for working around a negotiate protocol bug in some Samba servers
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Merge tag '5.19-rc6-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fixes from Steve French:
 "Three smb3 client fixes:

   - two multichannel fixes: fix a potential deadlock freeing a channel,
     and fix a race condition on failed creation of a new channel

   - mount failure fix: work around a server bug in some common older
     Samba servers by avoiding padding at the end of the negotiate
     protocol request"

* tag '5.19-rc6-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  smb3: workaround negprot bug in some Samba servers
  cifs: remove unnecessary locking of chan_lock while freeing session
  cifs: fix race condition with delayed threads
2022-07-14 12:35:15 -07:00
Linus Torvalds
a24a6c05ff Notable regression fixes:
- Enable SETATTR(time_create) to fix regression with Mac OS clients
 - Fix a lockd crasher and broken NLM UNLCK behavior
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Merge tag 'nfsd-5.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux

Pull nfsd fixes from Chuck Lever:
 "Notable regression fixes:

   - Enable SETATTR(time_create) to fix regression with Mac OS clients

   - Fix a lockd crasher and broken NLM UNLCK behavior"

* tag 'nfsd-5.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
  lockd: fix nlm_close_files
  lockd: set fl_owner when unlocking files
  NFSD: Decode NFSv4 birth time attribute
2022-07-14 12:29:43 -07:00
Linus Torvalds
4adfa865bb integrity-v5.19-fix
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Merge tag 'integrity-v5.19-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity

Pull integrity fixes from Mimi Zohar:
 "Here are a number of fixes for recently found bugs.

  Only 'ima: fix violation measurement list record' was introduced in
  the current release. The rest address existing bugs"

* tag 'integrity-v5.19-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
  ima: Fix potential memory leak in ima_init_crypto()
  ima: force signature verification when CONFIG_KEXEC_SIG is configured
  ima: Fix a potential integer overflow in ima_appraise_measurement
  ima: fix violation measurement list record
  Revert "evm: Fix memleak in init_desc"
2022-07-14 12:15:42 -07:00
Linus Torvalds
2eb5866cac ARM fixes for 5.19:
- quieten the spectre-bhb prints
 - mark flattened device tree sections as shareable
 - remove some obsolete CPU domain code and help text
 - fix thumb unaligned access abort emulation
 - fix amba_device_add() refcount underflow
 - fix literal placement
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

Pull ARM fixes from Russell King:

 - quieten the spectre-bhb prints

 - mark flattened device tree sections as shareable

 - remove some obsolete CPU domain code and help text

 - fix thumb unaligned access abort emulation

 - fix amba_device_add() refcount underflow

 - fix literal placement

* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 9208/1: entry: add .ltorg directive to keep literals in range
  ARM: 9207/1: amba: fix refcount underflow if amba_device_add() fails
  ARM: 9214/1: alignment: advance IT state after emulating Thumb instruction
  ARM: 9213/1: Print message about disabled Spectre workarounds only once
  ARM: 9212/1: domain: Modify Kconfig help text
  ARM: 9211/1: domain: drop modify_domain()
  ARM: 9210/1: Mark the FDT_FIXED sections as shareable
  ARM: 9209/1: Spectre-BHB: avoid pr_info() every time a CPU comes out of idle
2022-07-14 12:08:59 -07:00
Guenter Roeck
097da1a44d um: Replace to_phys() and to_virt() with less generic function names
The UML function names to_virt() and to_phys() are exposed by UML
headers, and are very generic and may be defined by drivers.  As it
turns out, commit 9409c9b670 ("pmem: refactor pmem_clear_poison()")
did exactly that.

This results in build errors such as the following when trying to build
um:allmodconfig:

  drivers/nvdimm/pmem.c: In function ‘pmem_dax_zero_page_range’:
  ./arch/um/include/asm/page.h:105:20: error: too few arguments to function ‘to_phys’
    105 | #define __pa(virt) to_phys((void *) (unsigned long) (virt))
        |                    ^~~~~~~

Use less generic function names for the um specific to_phys() and
to_virt() functions to fix the problem and to avoid similar problems in
the future.

Fixes: 9409c9b670 ("pmem: refactor pmem_clear_poison()")
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-07-14 11:57:27 -07:00
Linus Torvalds
c4634a3c7d sound fixes for 5.19-rc7
Hopefully the last PR for 5.19.  This became bigger than wished,
 but all changes are pretty device-specific small fixes, which
 look less worrisome.
 
 The majority of changes are about various ASoC fixes, while the
 usual HD-audio quirks are included as well.
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Merge tag 'sound-5.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Hopefully the last one for 5.19. This became bigger than wished, but
  all changes are pretty device-specific small fixes, which look less
  worrisome.

  The majority of changes are about various ASoC fixes, while the usual
  HD-audio quirks are included as well"

* tag 'sound-5.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (28 commits)
  ALSA: hda/realtek - Enable the headset-mic on a Xiaomi's laptop
  ALSA: hda/realtek - Fix headset mic problem for a HP machine with alc221
  ALSA: hda/realtek: fix mute/micmute LEDs for HP machines
  ALSA: hda/realtek - Fix headset mic problem for a HP machine with alc671
  ALSA: hda - Add fixup for Dell Latitidue E5430
  ALSA: hda/conexant: Apply quirk for another HP ProDesk 600 G3 model
  ALSA: hda/realtek: Fix headset mic for Acer SF313-51
  ASoC: Intel: Skylake: Correct the handling of fmt_config flexible array
  ASoC: Intel: Skylake: Correct the ssp rate discovery in skl_get_ssp_clks()
  ASoC: rt5640: Fix the wrong state of JD1 and JD2
  ASoC: Intel: sof_rt5682: fix out-of-bounds array access
  ASoC: qdsp6: fix potential memory leak in q6apm_get_audioreach_graph()
  ASoC: tas2764: Fix amp gain register offset & default
  ASoC: tas2764: Correct playback volume range
  ASoC: tas2764: Fix and extend FSYNC polarity handling
  ASoC: tas2764: Add post reset delays
  ASoC: dt-bindings: Fix description for msm8916
  ASoC: doc: Capitalize RESET line name
  ASoC: arizona: Update arizona_aif_cfg_changed to use RX_BCLK_RATE
  ASoC: cs47l92: Fix event generation for OUT1 demux
  ...
2022-07-14 11:34:16 -07:00
Tianyu Yuan
656bd03a2c nfp: flower: configure tunnel neighbour on cmsg rx
nfp_tun_write_neigh() function will configure a tunnel neighbour when
calling nfp_tun_neigh_event_handler() or nfp_flower_cmsg_process_one_rx()
(with no tunnel neighbour type) from firmware.

When configuring IP on physical port as a tunnel endpoint, no operation
will be performed after receiving the cmsg mentioned above.

Therefore, add a progress to configure tunnel neighbour in this case.

v2: Correct format of fixes tag.

Fixes: f1df7956c1 ("nfp: flower: rework tunnel neighbour configuration")
Signed-off-by: Tianyu Yuan <tianyu.yuan@corigine.com>
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Reviewed-by: Baowen Zheng <baowen.zheng@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20220714081915.148378-1-simon.horman@corigine.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-14 10:12:56 -07:00
Tariq Toukan
3d8c51b25a net/tls: Check for errors in tls_device_init
Add missing error checks in tls_device_init.

Fixes: e8f6979981 ("net/tls: Add generic NIC offload infrastructure")
Reported-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20220714070754.1428-1-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-14 10:12:39 -07:00
Tom Lendacky
51f1c31f8b MAINTAINERS: Add an additional maintainer to the AMD XGBE driver
Add Shyam Sundar S K as an additional maintainer to support the AMD XGBE
network device driver.

Cc: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/db367f24089c2bbbcd1cec8e21af49922017a110.1657751501.git.thomas.lendacky@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-14 10:12:25 -07:00
Juergen Gross
94e8100678 xen/netback: avoid entering xenvif_rx_next_skb() with an empty rx queue
xenvif_rx_next_skb() is expecting the rx queue not being empty, but
in case the loop in xenvif_rx_action() is doing multiple iterations,
the availability of another skb in the rx queue is not being checked.

This can lead to crashes:

[40072.537261] BUG: unable to handle kernel NULL pointer dereference at 0000000000000080
[40072.537407] IP: xenvif_rx_skb+0x23/0x590 [xen_netback]
[40072.537534] PGD 0 P4D 0
[40072.537644] Oops: 0000 [#1] SMP NOPTI
[40072.537749] CPU: 0 PID: 12505 Comm: v1-c40247-q2-gu Not tainted 4.12.14-122.121-default #1 SLE12-SP5
[40072.537867] Hardware name: HP ProLiant DL580 Gen9/ProLiant DL580 Gen9, BIOS U17 11/23/2021
[40072.537999] task: ffff880433b38100 task.stack: ffffc90043d40000
[40072.538112] RIP: e030:xenvif_rx_skb+0x23/0x590 [xen_netback]
[40072.538217] RSP: e02b:ffffc90043d43de0 EFLAGS: 00010246
[40072.538319] RAX: 0000000000000000 RBX: ffffc90043cd7cd0 RCX: 00000000000000f7
[40072.538430] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffffc90043d43df8
[40072.538531] RBP: 000000000000003f R08: 000077ff80000000 R09: 0000000000000008
[40072.538644] R10: 0000000000007ff0 R11: 00000000000008f6 R12: ffffc90043ce2708
[40072.538745] R13: 0000000000000000 R14: ffffc90043d43ed0 R15: ffff88043ea748c0
[40072.538861] FS: 0000000000000000(0000) GS:ffff880484600000(0000) knlGS:0000000000000000
[40072.538988] CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033
[40072.539088] CR2: 0000000000000080 CR3: 0000000407ac8000 CR4: 0000000000040660
[40072.539211] Call Trace:
[40072.539319] xenvif_rx_action+0x71/0x90 [xen_netback]
[40072.539429] xenvif_kthread_guest_rx+0x14a/0x29c [xen_netback]

Fix that by stopping the loop in case the rx queue becomes empty.

Cc: stable@vger.kernel.org
Fixes: 98f6d57ced ("xen-netback: process guest rx packets in batches")
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Link: https://lore.kernel.org/r/20220713135322.19616-1-jgross@suse.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-14 10:12:12 -07:00
Linus Torvalds
d11219ad53 amdgpu: disable powerpc support for the newer display engine
The DRM_AMD_DC_DCN display engine support (Raven, Navi, and newer) has
not been building cleanly on powerpc and causes link errors due to
mixing hard- and soft-float object files:

  powerpc64-linux-ld: drivers/gpu/drm/amd/amdgpu/../display/dc/dml/display_mode_lib.o uses hard float, drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_resource.o uses soft float
  powerpc64-linux-ld: failed to merge target specific data of file drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_resource.o
  [..]

and while patches are floating around, it's not exactly obvious what is
going on.

The problem bisects to commit 41b7a347bf ("powerpc: Book3S 64-bit
outline-only KASAN support") but that is probably more about changing
config variables than the fundamental cause.

Despite the bisection result, a more directly related commit seems to be
26f4712aed ("drm/amd/display: move FPU related code from dcn31 to
dml/dcn31 folder").  It's probably a combination of the two.

This has been going on since the merge window, without any final word.
So instead of blindly applying patches that may or may not be the right
thing, let's disable this for now.

As Michael Ellerman says:
 "IIUIC this code was never enabled on ppc before, so disabling it seems
  like a reasonable fix to get the build clean"

and once we have more actual feedback (and find any potential users) we
can always re-enable it with the patch that fixes the issues and
back-port as necessary.

Fixes: 41b7a347bf ("powerpc: Book3S 64-bit outline-only KASAN support")
Fixes: 26f4712aed ("drm/amd/display: move FPU related code from dcn31 to dml/dcn31 folder")
Reported-and-tested-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/all/20220606153910.GA1773067@roeck-us.net/
Link: https://lore.kernel.org/all/20220618232737.2036722-1-linux@roeck-us.net/
Link: https://lore.kernel.org/all/20220713050724.GA2471738@roeck-us.net/
Acked-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-07-14 10:05:46 -07:00
Nicolas Dichtel
cd72e61bad selftests/net: test nexthop without gw
This test implement the scenario described in the commit
"ip: fix dflt addr selection for connected nexthop".
The test configures a nexthop object with an output device only (no gateway
address) and a route that uses this nexthop. The goal is to check if the
kernel selects a valid source address.

Link: https://lore.kernel.org/netdev/20220712095545.10947-1-nicolas.dichtel@6wind.com/
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Link: https://lore.kernel.org/r/20220713114853.29406-2-nicolas.dichtel@6wind.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-07-14 14:41:19 +02:00
Nicolas Dichtel
747c143072 ip: fix dflt addr selection for connected nexthop
When a nexthop is added, without a gw address, the default scope was set
to 'host'. Thus, when a source address is selected, 127.0.0.1 may be chosen
but rejected when the route is used.

When using a route without a nexthop id, the scope can be configured in the
route, thus the problem doesn't exist.

To explain more deeply: when a user creates a nexthop, it cannot specify
the scope. To create it, the function nh_create_ipv4() calls fib_check_nh()
with scope set to 0. fib_check_nh() calls fib_check_nh_nongw() wich was
setting scope to 'host'. Then, nh_create_ipv4() calls
fib_info_update_nhc_saddr() with scope set to 'host'. The src addr is
chosen before the route is inserted.

When a 'standard' route (ie without a reference to a nexthop) is added,
fib_create_info() calls fib_info_update_nhc_saddr() with the scope set by
the user. iproute2 set the scope to 'link' by default.

Here is a way to reproduce the problem:
ip netns add foo
ip -n foo link set lo up
ip netns add bar
ip -n bar link set lo up
sleep 1

ip -n foo link add name eth0 type dummy
ip -n foo link set eth0 up
ip -n foo address add 192.168.0.1/24 dev eth0

ip -n foo link add name veth0 type veth peer name veth1 netns bar
ip -n foo link set veth0 up
ip -n bar link set veth1 up

ip -n bar address add 192.168.1.1/32 dev veth1
ip -n bar route add default dev veth1

ip -n foo nexthop add id 1 dev veth0
ip -n foo route add 192.168.1.1 nhid 1

Try to get/use the route:
> $ ip -n foo route get 192.168.1.1
> RTNETLINK answers: Invalid argument
> $ ip netns exec foo ping -c1 192.168.1.1
> ping: connect: Invalid argument

Try without nexthop group (iproute2 sets scope to 'link' by dflt):
ip -n foo route del 192.168.1.1
ip -n foo route add 192.168.1.1 dev veth0

Try to get/use the route:
> $ ip -n foo route get 192.168.1.1
> 192.168.1.1 dev veth0 src 192.168.0.1 uid 0
>     cache
> $ ip netns exec foo ping -c1 192.168.1.1
> PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
> 64 bytes from 192.168.1.1: icmp_seq=1 ttl=64 time=0.039 ms
>
> --- 192.168.1.1 ping statistics ---
> 1 packets transmitted, 1 received, 0% packet loss, time 0ms
> rtt min/avg/max/mdev = 0.039/0.039/0.039/0.000 ms

CC: stable@vger.kernel.org
Fixes: 597cfe4fc3 ("nexthop: Add support for IPv4 nexthops")
Reported-by: Edwin Brossette <edwin.brossette@6wind.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Link: https://lore.kernel.org/r/20220713114853.29406-1-nicolas.dichtel@6wind.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-07-14 14:41:19 +02:00
Ard Biesheuvel
29589ca09a ARM: 9208/1: entry: add .ltorg directive to keep literals in range
LKP reports a build issue on Clang, related to a literal load of
__current issued through the ldr_va macro. This turns out to be due to
the fact that group relocations are disabled when CONFIG_COMPILE_TEST=y,
which means that the ldr_va macro resolves to a pair of LDR
instructions, the first one being a literal load issued too far from its
literal pool.

Due to the introduction of a couple of new uses of this macro in commit
508074607c ("ARM: 9195/1: entry: avoid explicit literal loads"),
the literal pools end up getting rearranged in a way that causes the
literal for __current to go out of range. Let's fix this up by putting a
.ltorg directive in a suitable place in the code.

Link: https://lore.kernel.org/all/202205290805.1vZLAr36-lkp@intel.com/

Fixes: 508074607c ("ARM: 9195/1: entry: avoid explicit literal loads")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-07-14 13:19:51 +01:00
Wang Kefeng
8030aa3ce1 ARM: 9207/1: amba: fix refcount underflow if amba_device_add() fails
"ARM: 9192/1: amba: fix memory leak in amba_device_try_add()" leads
to a refcount underflow if amba_device_add() fails, which called by
of_amba_device_create(), the of_amba_device_create() already exists
the error handling, so amba_put_device() only need to be added into
amba_deferred_retry().

Fixes: 7719a68b2f ("ARM: 9192/1: amba: fix memory leak in amba_device_try_add()")
Reported-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2022-07-14 13:17:48 +01:00
Chia-Lin Kao (AceLan)
2e15c51fef net: atlantic: remove aq_nic_deinit() when resume
aq_nic_deinit() has been called while suspending, so we don't have to call
it again on resume.
Actually, call it again leads to another hang issue when resuming from
S3.

Jul 8 03:09:44 u-Precision-7865-Tower kernel: [ 5910.992345] Call Trace:
Jul 8 03:09:44 u-Precision-7865-Tower kernel: [ 5910.992346] <TASK>
Jul 8 03:09:44 u-Precision-7865-Tower kernel: [ 5910.992348] aq_nic_deinit+0xb4/0xd0 [atlantic]
Jul 8 03:09:44 u-Precision-7865-Tower kernel: [ 5910.992356] aq_pm_thaw+0x7f/0x100 [atlantic]
Jul 8 03:09:44 u-Precision-7865-Tower kernel: [ 5910.992362] pci_pm_resume+0x5c/0x90
Jul 8 03:09:44 u-Precision-7865-Tower kernel: [ 5910.992366] ? pci_pm_thaw+0x80/0x80
Jul 8 03:09:44 u-Precision-7865-Tower kernel: [ 5910.992368] dpm_run_callback+0x4e/0x120
Jul 8 03:09:44 u-Precision-7865-Tower kernel: [ 5910.992371] device_resume+0xad/0x200
Jul 8 03:09:44 u-Precision-7865-Tower kernel: [ 5910.992373] async_resume+0x1e/0x40
Jul 8 03:09:44 u-Precision-7865-Tower kernel: [ 5910.992374] async_run_entry_fn+0x33/0x120
Jul 8 03:09:44 u-Precision-7865-Tower kernel: [ 5910.992377] process_one_work+0x220/0x3c0
Jul 8 03:09:44 u-Precision-7865-Tower kernel: [ 5910.992380] worker_thread+0x4d/0x3f0
Jul 8 03:09:44 u-Precision-7865-Tower kernel: [ 5910.992382] ? process_one_work+0x3c0/0x3c0
Jul 8 03:09:44 u-Precision-7865-Tower kernel: [ 5910.992384] kthread+0x12a/0x150
Jul 8 03:09:44 u-Precision-7865-Tower kernel: [ 5910.992386] ? set_kthread_struct+0x40/0x40
Jul 8 03:09:44 u-Precision-7865-Tower kernel: [ 5910.992387] ret_from_fork+0x22/0x30
Jul 8 03:09:44 u-Precision-7865-Tower kernel: [ 5910.992391] </TASK>
Jul 8 03:09:44 u-Precision-7865-Tower kernel: [ 5910.992392] ---[ end trace 1ec8c79604ed5e0d ]---
Jul 8 03:09:44 u-Precision-7865-Tower kernel: [ 5910.992394] PM: dpm_run_callback(): pci_pm_resume+0x0/0x90 returns -110
Jul 8 03:09:44 u-Precision-7865-Tower kernel: [ 5910.992397] atlantic 0000:02:00.0: PM: failed to resume async: error -110

Fixes: 1809c30b6e ("net: atlantic: always deep reset on pm op, fixing up my null deref regression")
Signed-off-by: Chia-Lin Kao (AceLan) <acelan.kao@canonical.com>
Link: https://lore.kernel.org/r/20220713111224.1535938-2-acelan.kao@canonical.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-07-14 13:03:21 +02:00
Chia-Lin Kao (AceLan)
0f33250760 net: atlantic: remove deep parameter on suspend/resume functions
Below commit claims that atlantic NIC requires to reset the device on pm
op, and had set the deep to true for all suspend/resume functions.
commit 1809c30b6e ("net: atlantic: always deep reset on pm op, fixing up my null deref regression")
So, we could remove deep parameter on suspend/resume functions without
any functional change.

Fixes: 1809c30b6e ("net: atlantic: always deep reset on pm op, fixing up my null deref regression")
Signed-off-by: Chia-Lin Kao (AceLan) <acelan.kao@canonical.com>
Link: https://lore.kernel.org/r/20220713111224.1535938-1-acelan.kao@canonical.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-07-14 13:03:21 +02:00
Íñigo Huguet
ada74c5539 sfc: fix kernel panic when creating VF
When creating VFs a kernel panic can happen when calling to
efx_ef10_try_update_nic_stats_vf.

When releasing a DMA coherent buffer, sometimes, I don't know in what
specific circumstances, it has to unmap memory with vunmap. It is
disallowed to do that in IRQ context or with BH disabled. Otherwise, we
hit this line in vunmap, causing the crash:
  BUG_ON(in_interrupt());

This patch reenables BH to release the buffer.

Log messages when the bug is hit:
 kernel BUG at mm/vmalloc.c:2727!
 invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
 CPU: 6 PID: 1462 Comm: NetworkManager Kdump: loaded Tainted: G          I      --------- ---  5.14.0-119.el9.x86_64 #1
 Hardware name: Dell Inc. PowerEdge R740/06WXJT, BIOS 2.8.2 08/27/2020
 RIP: 0010:vunmap+0x2e/0x30
 ...skip...
 Call Trace:
  __iommu_dma_free+0x96/0x100
  efx_nic_free_buffer+0x2b/0x40 [sfc]
  efx_ef10_try_update_nic_stats_vf+0x14a/0x1c0 [sfc]
  efx_ef10_update_stats_vf+0x18/0x40 [sfc]
  efx_start_all+0x15e/0x1d0 [sfc]
  efx_net_open+0x5a/0xe0 [sfc]
  __dev_open+0xe7/0x1a0
  __dev_change_flags+0x1d7/0x240
  dev_change_flags+0x21/0x60
  ...skip...

Fixes: d778819609 ("sfc: DMA the VF stats only when requested")
Reported-by: Ma Yuying <yuma@redhat.com>
Signed-off-by: Íñigo Huguet <ihuguet@redhat.com>
Acked-by: Edward Cree <ecree.xilinx@gmail.com>
Link: https://lore.kernel.org/r/20220713092116.21238-1-ihuguet@redhat.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-07-14 12:46:56 +02:00
Paolo Abeni
b126047f43 Merge branch 'xen-netfront-xsa-403-follow-on'
Jan Beulich says:

====================
xen-netfront: XSA-403 follow-on

While investigating the XSA, I did notice a few more things. The two
patches aren't really dependent on one another.

1: remove leftover call to xennet_tx_buf_gc()
2: re-order error checks in xennet_get_responses()
====================

Link: https://lore.kernel.org/r/7fca0e44-43b5-8448-3653-249d117dc084@suse.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-07-14 12:20:21 +02:00
Jan Beulich
06673c2102 xen-netfront: re-order error checks in xennet_get_responses()
Check the retrieved grant reference first; there's no point trying to
have xennet_move_rx_slot() move invalid data (and further defer
recognition of the issue, likely making diagnosis yet more difficult).

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-07-14 12:20:18 +02:00
Jan Beulich
ad39bafda7 xen-netfront: remove leftover call to xennet_tx_buf_gc()
In talk_to_netback(), called earlier from xennet_connect(), queues and
shared rings were just re-initialized, so all this function call could
result in is setting ->broken (again) right away in case any unconsumed
responses were found.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-07-14 12:20:18 +02:00
Paolo Abeni
cc91b09b9e Merge branch 'seg6-fix-skb-checksum-for-srh-encapsulation-insertion'
Andrea Mayer says:

====================
seg6: fix skb checksum for SRH encapsulation/insertion

The Linux kernel supports Segment Routing Header (SRH)
encapsulation/insertion operations by providing the capability to: i)
encapsulate a packet in an outer IPv6 header with a specified SRH; ii)
insert a specified SRH directly after the IPv6 header of the packet.
Note that the insertion operation is also referred to as 'injection'.

The two operations are respectively supported by seg6_do_srh_encap() and
seg6_do_srh_inline(), which operate on the skb associated to the packet as
needed (e.g. adding the necessary headers and initializing them, while
taking care to recalculate the skb checksum).

seg6_do_srh_encap() and seg6_do_srh_inline() do not initialize the payload
length of the IPv6 header, which is carried out by the caller functions.
However, this approach causes the corruption of the skb checksum which
needs to be updated only after initialization of headers is completed
(thanks to Paolo Abeni for detecting this issue).

The patchset fixes the skb checksum corruption by moving the IPv6 header
payload length initialization from the callers of seg6_do_srh_encap() and
seg6_do_srh_inline() directly into these functions.

This patchset is organized as follows:
 - patch 1/3, seg6: fix skb checksum evaluation in SRH
   encapsulation/insertion;
    (* SRH encapsulation/insertion available since v4.10)

 - patch 2/3, seg6: fix skb checksum in SRv6 End.B6 and End.B6.Encaps
   behaviors;
    (* SRv6 End.B6 and End.B6.Encaps behaviors available since v4.14)

 - patch 3/3, seg6: bpf: fix skb checksum in bpf_push_seg6_encap();
    (* bpf IPv6 Segment Routing helpers available since v4.18)

====================

Link: https://lore.kernel.org/r/20220712175837.16267-1-andrea.mayer@uniroma2.it
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-07-14 10:15:16 +02:00
Andrea Mayer
4889fbd98d seg6: bpf: fix skb checksum in bpf_push_seg6_encap()
Both helper functions bpf_lwt_seg6_action() and bpf_lwt_push_encap() use
the bpf_push_seg6_encap() to encapsulate the packet in an IPv6 with Segment
Routing Header (SRH) or insert an SRH between the IPv6 header and the
payload.
To achieve this result, such helper functions rely on bpf_push_seg6_encap()
which, in turn, leverages seg6_do_srh_{encap,inline}() to perform the
required operation (i.e. encap/inline).

This patch removes the initialization of the IPv6 header payload length
from bpf_push_seg6_encap(), as it is now handled properly by
seg6_do_srh_{encap,inline}() to prevent corruption of the skb checksum.

Fixes: fe94cc290f ("bpf: Add IPv6 Segment Routing helpers")
Signed-off-by: Andrea Mayer <andrea.mayer@uniroma2.it>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-07-14 10:15:15 +02:00
Andrea Mayer
f048880fc7 seg6: fix skb checksum in SRv6 End.B6 and End.B6.Encaps behaviors
The SRv6 End.B6 and End.B6.Encaps behaviors rely on functions
seg6_do_srh_{encap,inline}() to, respectively: i) encapsulate the
packet within an outer IPv6 header with the specified Segment Routing
Header (SRH); ii) insert the specified SRH directly after the IPv6
header of the packet.

This patch removes the initialization of the IPv6 header payload length
from the input_action_end_b6{_encap}() functions, as it is now handled
properly by seg6_do_srh_{encap,inline}() to avoid corruption of the skb
checksum.

Fixes: 140f04c33b ("ipv6: sr: implement several seg6local actions")
Signed-off-by: Andrea Mayer <andrea.mayer@uniroma2.it>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-07-14 10:15:15 +02:00
Andrea Mayer
df8386d13e seg6: fix skb checksum evaluation in SRH encapsulation/insertion
Support for SRH encapsulation and insertion was introduced with
commit 6c8702c60b ("ipv6: sr: add support for SRH encapsulation and
injection with lwtunnels"), through the seg6_do_srh_encap() and
seg6_do_srh_inline() functions, respectively.
The former encapsulates the packet in an outer IPv6 header along with
the SRH, while the latter inserts the SRH between the IPv6 header and
the payload. Then, the headers are initialized/updated according to the
operating mode (i.e., encap/inline).
Finally, the skb checksum is calculated to reflect the changes applied
to the headers.

The IPv6 payload length ('payload_len') is not initialized
within seg6_do_srh_{inline,encap}() but is deferred in seg6_do_srh(), i.e.
the caller of seg6_do_srh_{inline,encap}().
However, this operation invalidates the skb checksum, since the
'payload_len' is updated only after the checksum is evaluated.

To solve this issue, the initialization of the IPv6 payload length is
moved from seg6_do_srh() directly into the seg6_do_srh_{inline,encap}()
functions and before the skb checksum update takes place.

Fixes: 6c8702c60b ("ipv6: sr: add support for SRH encapsulation and injection with lwtunnels")
Reported-by: Paolo Abeni <pabeni@redhat.com>
Link: https://lore.kernel.org/all/20220705190727.69d532417be7438b15404ee1@uniroma2.it
Signed-off-by: Andrea Mayer <andrea.mayer@uniroma2.it>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-07-14 10:15:15 +02:00
Hariprasad Kelam
9b63367008 octeontx2-af: Limit link bringup time at firmware
Set the maximum time firmware should poll for a link.
If not set firmware could block CPU for a long time resulting
in mailbox failures. If link doesn't come up within 1second,
firmware will anyway notify the status as and when LINK comes up

Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: Geetha Sowjanya <gakula@marvell.com>
Link: https://lore.kernel.org/r/20220712161815.12621-1-gakula@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-13 20:17:29 -07:00
Jakub Kicinski
f46a5a9c67 Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:

====================
Intel Wired LAN Driver Updates 2022-07-12

This series contains updates to ice driver only.

Paul fixes detection of E822 devices for firmware update and changes NVM
read for snapshot creation to be done in chunks as some systems cannot
read the entire NVM in the allotted time.
====================

Link: https://lore.kernel.org/r/20220712164829.7275-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-13 20:16:04 -07:00
Íñigo Huguet
ebe41da5d4 sfc: fix use after free when disabling sriov
Use after free is detected by kfence when disabling sriov. What was read
after being freed was vf->pci_dev: it was freed from pci_disable_sriov
and later read in efx_ef10_sriov_free_vf_vports, called from
efx_ef10_sriov_free_vf_vswitching.

Set the pointer to NULL at release time to not trying to read it later.

Reproducer and dmesg log (note that kfence doesn't detect it every time):
$ echo 1 > /sys/class/net/enp65s0f0np0/device/sriov_numvfs
$ echo 0 > /sys/class/net/enp65s0f0np0/device/sriov_numvfs

 BUG: KFENCE: use-after-free read in efx_ef10_sriov_free_vf_vswitching+0x82/0x170 [sfc]

 Use-after-free read at 0x00000000ff3c1ba5 (in kfence-#224):
  efx_ef10_sriov_free_vf_vswitching+0x82/0x170 [sfc]
  efx_ef10_pci_sriov_disable+0x38/0x70 [sfc]
  efx_pci_sriov_configure+0x24/0x40 [sfc]
  sriov_numvfs_store+0xfe/0x140
  kernfs_fop_write_iter+0x11c/0x1b0
  new_sync_write+0x11f/0x1b0
  vfs_write+0x1eb/0x280
  ksys_write+0x5f/0xe0
  do_syscall_64+0x5c/0x80
  entry_SYSCALL_64_after_hwframe+0x44/0xae

 kfence-#224: 0x00000000edb8ef95-0x00000000671f5ce1, size=2792, cache=kmalloc-4k

 allocated by task 6771 on cpu 10 at 3137.860196s:
  pci_alloc_dev+0x21/0x60
  pci_iov_add_virtfn+0x2a2/0x320
  sriov_enable+0x212/0x3e0
  efx_ef10_sriov_configure+0x67/0x80 [sfc]
  efx_pci_sriov_configure+0x24/0x40 [sfc]
  sriov_numvfs_store+0xba/0x140
  kernfs_fop_write_iter+0x11c/0x1b0
  new_sync_write+0x11f/0x1b0
  vfs_write+0x1eb/0x280
  ksys_write+0x5f/0xe0
  do_syscall_64+0x5c/0x80
  entry_SYSCALL_64_after_hwframe+0x44/0xae

 freed by task 6771 on cpu 12 at 3170.991309s:
  device_release+0x34/0x90
  kobject_cleanup+0x3a/0x130
  pci_iov_remove_virtfn+0xd9/0x120
  sriov_disable+0x30/0xe0
  efx_ef10_pci_sriov_disable+0x57/0x70 [sfc]
  efx_pci_sriov_configure+0x24/0x40 [sfc]
  sriov_numvfs_store+0xfe/0x140
  kernfs_fop_write_iter+0x11c/0x1b0
  new_sync_write+0x11f/0x1b0
  vfs_write+0x1eb/0x280
  ksys_write+0x5f/0xe0
  do_syscall_64+0x5c/0x80
  entry_SYSCALL_64_after_hwframe+0x44/0xae

Fixes: 3c5eb87605 ("sfc: create vports for VFs and assign random MAC addresses")
Reported-by: Yanghang Liu <yanghliu@redhat.com>
Signed-off-by: Íñigo Huguet <ihuguet@redhat.com>
Acked-by: Martin Habets <habetsm.xilinx@gmail.com>
Link: https://lore.kernel.org/r/20220712062642.6915-1-ihuguet@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-13 19:42:09 -07:00
Michael Walle
5dc0f7491f NFC: nxp-nci: add error reporting
The PN7160 supports error notifications. Add the appropriate callbacks.

Signed-off-by: Michael Walle <michael@walle.cc>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220712170011.2990629-1-michael@walle.cc
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-13 18:52:12 -07:00
Steve French
32f319183c smb3: workaround negprot bug in some Samba servers
Mount can now fail to older Samba servers due to a server
bug handling padding at the end of the last negotiate
context (negotiate contexts typically are rounded up to 8
bytes by adding padding if needed). This server bug can
be avoided by switching the order of negotiate contexts,
placing a negotiate context at the end that does not
require padding (prior to the recent netname context fix
this was the case on the client).

Fixes: 73130a7b1a ("smb3: fix empty netname context on secondary channels")
Reported-by: Julian Sikorski <belegdol@gmail.com>
Tested-by: Julian Sikorski <belegdol+github@gmail.com>
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2022-07-13 19:59:47 -05:00
Ansgar Lößer
4a57a84000 vf/remap: return the amount of bytes actually deduplicated
When using the FIDEDUPRANGE ioctl, in case of success the requested size
is returned. In some cases this might not be the actual amount of bytes
deduplicated.

This change modifies vfs_dedupe_file_range() to report the actual amount
of bytes deduplicated, instead of the requested amount.

Link: https://lore.kernel.org/linux-fsdevel/5548ef63-62f9-4f46-5793-03165ceccacc@tu-darmstadt.de/
Reported-by: Ansgar Lößer <ansgar.loesser@kom.tu-darmstadt.de>
Reported-by: Max Schlecht <max.schlecht@informatik.hu-berlin.de>
Reported-by: Björn Scheuermann <scheuermann@kom.tu-darmstadt.de>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Darrick J Wong <djwong@kernel.org>
Signed-off-by: Ansgar Lößer <ansgar.loesser@kom.tu-darmstadt.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-07-13 12:08:14 -07:00
Linus Torvalds
d0b97f3891 cgroup fixes for v5.19-rc6
This pull request contains the fix for an old and subtle bug in the
 migration path. css_sets are used to track tasks and migrations are tasks
 moving from a group of css_sets to another group of css_sets. The migration
 path pins all source and destination css_sets in the prep stage.
 Unfortunately, it was overloading the same list_head entry to track sources
 and destinations, which got confused for migrations which are partially
 identity leading to use-after-frees. Fixed by using dedicated list_heads for
 tracking sources and destinations.
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Merge tag 'cgroup-for-5.19-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup

Pull cgroup fix from Tejun Heo:
 "Fix an old and subtle bug in the migration path.

  css_sets are used to track tasks and migrations are tasks moving from
  a group of css_sets to another group of css_sets. The migration path
  pins all source and destination css_sets in the prep stage.

  Unfortunately, it was overloading the same list_head entry to track
  sources and destinations, which got confused for migrations which are
  partially identity leading to use-after-frees.

  Fixed by using dedicated list_heads for tracking sources and
  destinations"

* tag 'cgroup-for-5.19-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup: Use separate src/dst nodes when preloading css_sets for migration
2022-07-13 11:47:01 -07:00
Dave Chinner
5750676b64 fs/remap: constrain dedupe of EOF blocks
If dedupe of an EOF block is not constrainted to match against only
other EOF blocks with the same EOF offset into the block, it can
match against any other block that has the same matching initial
bytes in it, even if the bytes beyond EOF in the source file do
not match.

Fix this by constraining the EOF block matching to only match
against other EOF blocks that have identical EOF offsets and data.
This allows "whole file dedupe" to continue to work without allowing
eof blocks to randomly match against partial full blocks with the
same data.

Reported-by: Ansgar Lößer <ansgar.loesser@tu-darmstadt.de>
Fixes: 1383a7ed67 ("vfs: check file ranges before cloning files")
Link: https://lore.kernel.org/linux-fsdevel/a7c93559-4ba1-df2f-7a85-55a143696405@tu-darmstadt.de/
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-07-13 10:28:16 -07:00
Jianglei Nie
067d252187 ima: Fix potential memory leak in ima_init_crypto()
On failure to allocate the SHA1 tfm, IMA fails to initialize and exits
without freeing the ima_algo_array. Add the missing kfree() for
ima_algo_array to avoid the potential memory leak.

Signed-off-by: Jianglei Nie <niejianglei2021@163.com>
Fixes: 6d94809af6 ("ima: Allocate and initialize tfm for each PCR bank")
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
2022-07-13 10:13:58 -04:00
Coiby Xu
af16df54b8 ima: force signature verification when CONFIG_KEXEC_SIG is configured
Currently, an unsigned kernel could be kexec'ed when IMA arch specific
policy is configured unless lockdown is enabled. Enforce kernel
signature verification check in the kexec_file_load syscall when IMA
arch specific policy is configured.

Fixes: 99d5cadfde ("kexec_file: split KEXEC_VERIFY_SIG into KEXEC_SIG and KEXEC_SIG_FORCE")
Reported-and-suggested-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Coiby Xu <coxu@redhat.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
2022-07-13 10:13:41 -04:00
Nick Bowler
b11e5f6a3a net: sunhme: output link status with a single print.
This driver currently prints the link status using four separate
printk calls, which these days gets presented to the user as four
distinct messages, not exactly ideal:

  [   32.582778] eth0: Link is up using
  [   32.582828] internal
  [   32.582837] transceiver at
  [   32.582888] 100Mb/s, Full Duplex.

Restructure the display_link_mode function to use a single netdev_info
call to present all this information as a single message, which is much
nicer:

  [   33.640143] hme 0000:00:01.1 eth0: Link is up using internal transceiver at 100Mb/s, Full Duplex.

The display_forced_link_mode function has a similar structure, so adjust
it in a similar fashion.

Signed-off-by: Nick Bowler <nbowler@draconx.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-13 14:53:48 +01:00
Hayes Wang
057cc8c900 r8152: fix accessing unset transport header
A warning is triggered by commit 66e4c8d950 ("net: warn if transport
header was not set"). The warning is harmless, because the value from
skb_transport_offset() is only used for skb_is_gso() is true or the
skb->ip_summed is equal to CHECKSUM_PARTIAL.

Fixes: 66e4c8d950 ("net: warn if transport header was not set")
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-13 14:52:49 +01:00
Sebin Sebastian
6a605eb1d7 octeontx2-af: returning uninitialized variable
Fix coverity error 'use of uninitialized variable'. err is uninitialized
and is returned which can lead to unintended results. err has been replaced
with -einval.
Coverity issue: 1518921 (uninitialized scalar variable)

Signed-off-by: Sebin Sebastian <mailmesebin00@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-13 14:51:34 +01:00
Jiapeng Chong
d86a153aca octeontx2-af: Remove duplicate include
The include is in line 14 and 23. Remove the duplicate.

Fix following checkincludes warning:

./drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c: linux/bitfield.h is included more than once.
./drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c: rvu_npc_hash.h is included more than once.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-13 14:50:33 +01:00
Zhengchao Shao
bc5c8260f4 net/sched: remove return value of unregister_tcf_proto_ops
Return value of unregister_tcf_proto_ops is unused, remove it.

Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-13 14:46:59 +01:00
David S. Miller
736002fb6a A fairly large set of updates for next, highlights:
ath10k
  * ethernet frame format support
 
 rtw89
  * TDLS support
 
 cfg80211/mac80211
  * airtime fairness fixes
  * EHT support continued, especially in AP mode
  * initial (and still major) rework for multi-link
    operation (MLO) from 802.11be/wifi 7
 
 As usual, also many small updates/cleanups/fixes/etc.
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Merge tag 'wireless-next-2022-07-13' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next

Johannes Berg says:

====================
A fairly large set of updates for next, highlights:

ath10k
 * ethernet frame format support

rtw89
 * TDLS support

cfg80211/mac80211
 * airtime fairness fixes
 * EHT support continued, especially in AP mode
 * initial (and still major) rework for multi-link
   operation (MLO) from 802.11be/wifi 7

As usual, also many small updates/cleanups/fixes/etc.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-13 14:28:52 +01:00
David S. Miller
67de8acdd3 A small set of fixes for
* queue selection in mesh/ocb
  * queue handling on interface stop
  * hwsim virtio device vs. some other virtio changes
  * dt-bindings email addresses
  * color collision memory allocation
  * a const variable in rtw88
  * shared SKB transmit in the ethernet format path
  * P2P client port authorization
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Merge tag 'wireless-2022-07-13' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless

Johannes Berg says:

====================
A small set of fixes for
 * queue selection in mesh/ocb
 * queue handling on interface stop
 * hwsim virtio device vs. some other virtio changes
 * dt-bindings email addresses
 * color collision memory allocation
 * a const variable in rtw88
 * shared SKB transmit in the ethernet format path
 * P2P client port authorization
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-13 14:27:38 +01:00
Dan Carpenter
23aa6d5088 net: stmmac: fix leaks in probe
These two error paths should clean up before returning.

Fixes: 2bb4b98b60 ("net: stmmac: Add Ingenic SoCs MAC support.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-13 14:21:42 +01:00
David S. Miller
cfc6c2fcb6 Merge branch 'phy-mxl-gpy-version-fix-and-improvements'
Michael Walle says:

====================
net: phy: mxl-gpy: version fix and improvements

Fix the version reporting which was introduced earlier. The version will
not change during runtime, so cache it and save a PHY read on every auto
negotiation. Also print the version in a human readable form.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-13 14:18:39 +01:00
Michael Walle
d523f2eb1d net: phy: mxl-gpy: print firmware in human readable form
Now having a major and a minor number, also print the firmware in
human readable form "major.minor". Still keep the 4-digit hexadecimal
representation because that form is used in the firmware changelog
documents. Also, drop the "release" string assuming that most common
case, but make it clearer that the user is running a test version.

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-13 14:18:39 +01:00
Michael Walle
1e9aa7baf0 net: phy: mxl-gpy: rename the FW type field name
Align the firmware field name with the reference manual where it is
called "major".

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-13 14:18:39 +01:00