Commit graph

1048449 commits

Author SHA1 Message Date
Muhammad Usama Anjum
7620887a77 selftests: futex: Use variable MAKE instead of make
commit b9199181a9 upstream.

Recursive make commands should always use the variable MAKE, not the
explicit command name ‘make’. This has benefits and removes the
following warning when multiple jobs are used for the build:

make[2]: warning: jobserver unavailable: using -j1.  Add '+' to parent make rule.

Fixes: a8ba798bc8 ("selftests: enable O and KBUILD_OUTPUT")
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Reviewed-by: André Almeida <andrealmeid@collabora.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:12 +01:00
Muhammad Usama Anjum
c5610494fd selftests/exec: Remove pipe from TEST_GEN_FILES
commit 908a26e139 upstream.

pipe named FIFO special file is being created in execveat.c to perform
some tests. Makefile doesn't need to do anything with the pipe. When it
isn't found, Makefile generates the following build error:

make: *** No rule to make target
'../tools/testing/selftests/exec/pipe', needed by 'all'.  Stop.

pipe is created and removed during test run-time.

Amended change log to add pipe remove info:
Shuah Khan <skhan@linuxfoundation.org>

Fixes: 61016db15b ("selftests/exec: Verify execve of non-regular files fail")
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:12 +01:00
Hou Tao
5e457aeab5 bpf: Use VM_MAP instead of VM_ALLOC for ringbuf
commit b293dcc473 upstream.

After commit 2fd3fb0be1d1 ("kasan, vmalloc: unpoison VM_ALLOC pages
after mapping"), non-VM_ALLOC mappings will be marked as accessible
in __get_vm_area_node() when KASAN is enabled. But now the flag for
ringbuf area is VM_ALLOC, so KASAN will complain out-of-bound access
after vmap() returns. Because the ringbuf area is created by mapping
allocated pages, so use VM_MAP instead.

After the change, info in /proc/vmallocinfo also changes from
  [start]-[end]   24576 ringbuf_map_alloc+0x171/0x290 vmalloc user
to
  [start]-[end]   24576 ringbuf_map_alloc+0x171/0x290 vmap user

Fixes: 457f44363a ("bpf: Implement BPF ring buffer and verifier support for it")
Reported-by: syzbot+5ad567a418794b9b5983@syzkaller.appspotmail.com
Signed-off-by: Hou Tao <houtao1@huawei.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220202060158.6260-1-houtao1@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:11 +01:00
Haiyue Wang
62ab929a8f gve: fix the wrong AdminQ buffer queue index check
commit 1f84a9450d upstream.

The 'tail' and 'head' are 'unsigned int' type free-running count, when
'head' is overflow, the 'int i (= tail) < u32 head' will be false:

Only '- loop 0: idx = 63' result is shown, so it needs to use 'int' type
to compare, it can handle the overflow correctly.

typedef uint32_t u32;

int main()
{
        u32 tail, head;
        int stail, shead;
        int i, loop;

        tail = 0xffffffff;
        head = 0x00000000;

        for (i = tail, loop = 0; i < head; i++) {
                unsigned int idx = i & 63;

                printf("+ loop %d: idx = %u\n", loop++, idx);
        }

        stail = tail;
        shead = head;
        for (i = stail, loop = 0; i < shead; i++) {
                unsigned int idx = i & 63;

                printf("- loop %d: idx = %u\n", loop++, idx);
        }

        return 0;
}

Fixes: 5cdad90de6 ("gve: Batch AQ commands for creating and destroying queues.")
Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:11 +01:00
Dai Ngo
3611f4f91e nfsd: nfsd4_setclientid_confirm mistakenly expires confirmed client.
commit ab451ea952 upstream.

From RFC 7530 Section 16.34.5:

o  The server has not recorded an unconfirmed { v, x, c, *, * } and
   has recorded a confirmed { v, x, c, *, s }.  If the principals of
   the record and of SETCLIENTID_CONFIRM do not match, the server
   returns NFS4ERR_CLID_INUSE without removing any relevant leased
   client state, and without changing recorded callback and
   callback_ident values for client { x }.

The current code intends to do what the spec describes above but
it forgot to set 'old' to NULL resulting to the confirmed client
to be expired.

Fixes: 2b63482185 ("nfsd: fix clid_inuse on mount with security change")
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Bruce Fields <bfields@fieldses.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:11 +01:00
John Meneghini
2f5a1ac68b scsi: bnx2fc: Make bnx2fc_recv_frame() mp safe
commit 936bd03405 upstream.

Running tests with a debug kernel shows that bnx2fc_recv_frame() is
modifying the per_cpu lport stats counters in a non-mpsafe way.  Just boot
a debug kernel and run the bnx2fc driver with the hardware enabled.

[ 1391.699147] BUG: using smp_processor_id() in preemptible [00000000] code: bnx2fc_
[ 1391.699160] caller is bnx2fc_recv_frame+0xbf9/0x1760 [bnx2fc]
[ 1391.699174] CPU: 2 PID: 4355 Comm: bnx2fc_l2_threa Kdump: loaded Tainted: G    B
[ 1391.699180] Hardware name: HP ProLiant DL120 G7, BIOS J01 07/01/2013
[ 1391.699183] Call Trace:
[ 1391.699188]  dump_stack_lvl+0x57/0x7d
[ 1391.699198]  check_preemption_disabled+0xc8/0xd0
[ 1391.699205]  bnx2fc_recv_frame+0xbf9/0x1760 [bnx2fc]
[ 1391.699215]  ? do_raw_spin_trylock+0xb5/0x180
[ 1391.699221]  ? bnx2fc_npiv_create_vports.isra.0+0x4e0/0x4e0 [bnx2fc]
[ 1391.699229]  ? bnx2fc_l2_rcv_thread+0xb7/0x3a0 [bnx2fc]
[ 1391.699240]  bnx2fc_l2_rcv_thread+0x1af/0x3a0 [bnx2fc]
[ 1391.699250]  ? bnx2fc_ulp_init+0xc0/0xc0 [bnx2fc]
[ 1391.699258]  kthread+0x364/0x420
[ 1391.699263]  ? _raw_spin_unlock_irq+0x24/0x50
[ 1391.699268]  ? set_kthread_struct+0x100/0x100
[ 1391.699273]  ret_from_fork+0x22/0x30

Restore the old get_cpu/put_cpu code with some modifications to reduce the
size of the critical section.

Link: https://lore.kernel.org/r/20220124145110.442335-1-jmeneghi@redhat.com
Fixes: d576a5e80c ("bnx2fc: Improve stats update mechanism")
Tested-by: Guangwu Zhang <guazhang@redhat.com>
Acked-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: John Meneghini <jmeneghi@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:11 +01:00
Florian Fainelli
0bb4c6b9ec pinctrl: bcm2835: Fix a few error paths
commit 5297c693d8 upstream.

After commit 266423e60e ("pinctrl: bcm2835: Change init order for gpio
hogs") a few error paths would not unwind properly the registration of
gpio ranges. Correct that by assigning a single error label and goto it
whenever we encounter a fatal error.

Fixes: 266423e60e ("pinctrl: bcm2835: Change init order for gpio hogs")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20220127215033.267227-1-f.fainelli@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:11 +01:00
Łukasz Bartosik
3cdcfa3c52 pinctrl: intel: fix unexpected interrupt
commit e986f0e602 upstream.

ASUS Chromebook C223 with Celeron N3350 crashes sometimes during
cold booot. Inspection of the kernel log showed that it gets into
an inifite loop logging the following message:

->handle_irq():  000000009cdb51e8, handle_bad_irq+0x0/0x251
->irq_data.chip(): 000000005ec212a7, 0xffffa043009d8e7
->action(): 00000
   IRQ_NOPROBE set
unexpected IRQ trap at vector 7c

The issue happens during cold boot but only if cold boot happens
at most several dozen seconds after Chromebook is powered off. For
longer intervals between power off and power on (cold boot) the issue
does not reproduce. The unexpected interrupt is sourced from INT3452
GPIO pin which is used for SD card detect. Investigation relevealed
that when the interval between power off and power on (cold boot)
is less than several dozen seconds then values of INT3452 GPIO interrupt
enable and interrupt pending registers survive power off and power
on sequence and interrupt for SD card detect pin is enabled and pending
during probe of SD controller which causes the unexpected IRQ message.
"Intel Pentium and Celeron Processor N- and J- Series" volume 3 doc
mentions that GPIO interrupt enable and status registers default
value is 0x0.
The fix clears INT3452 GPIO interrupt enabled and interrupt pending
registers in its probe function.

Fixes: 7981c0015a ("pinctrl: intel: Add Intel Sunrisepoint pin controller and GPIO support")
Signed-off-by: Łukasz Bartosik <lb@semihalf.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:11 +01:00
Andy Shevchenko
ca63438dc5 pinctrl: intel: Fix a glitch when updating IRQ flags on a preconfigured line
commit e12963c453 upstream.

The commit af7e3eeb84 ("pinctrl: intel: Disable input and output buffer
when switching to GPIO") hadn't taken into account an update of the IRQ
flags scenario.

When updating the IRQ flags on the preconfigured line the ->irq_set_type()
is called again. In such case the sequential Rx buffer configuration
changes may trigger a falling or rising edge interrupt that may lead,
on some platforms, to an undesired event.

This may happen because each of intel_gpio_set_gpio_mode() and
__intel_gpio_set_direction() updates the pad configuration with a different
value of the GPIORXDIS bit. Notable, that the intel_gpio_set_gpio_mode() is
called only for the pads that are configured as an input. Due to this fact,
integrate the logic of __intel_gpio_set_direction() call into the
intel_gpio_set_gpio_mode() so that the Rx buffer won't be disabled and
immediately re-enabled.

Fixes: af7e3eeb84 ("pinctrl: intel: Disable input and output buffer when switching to GPIO")
Reported-by: Kane Chen <kane.chen@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Tested-by: Grace Kao <grace.kao@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:11 +01:00
Andre Przywara
d4036172ca pinctrl: sunxi: Fix H616 I2S3 pin data
commit 1fd6bb5b47 upstream.

Two bugs have sneaked in the H616 pinctrl data:
- PH9 uses the mux value of 0x3 twice (one should be 0x5 instead)
- PH8 and PH9 use the "i2s3" function name twice in each pin

For the double pin name we use the same trick we pulled for i2s0: append
the pin function to the group name to designate the special function.

Fixes: 25adc29407 ("pinctrl: sunxi: Add support for the Allwinner H616 pin controller")
Reported-by: SASANO Takayoshi <uaa@mx5.nisiq.net>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Reviewed-by: Samuel Holland <samuel@sholland.org>
Link: https://lore.kernel.org/r/20220105172952.23347-1-andre.przywara@arm.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:11 +01:00
Srinivas Kandagatla
f00012885e ASoC: codecs: wcd938x: fix return value of mixer put function
commit bd2347fd67 upstream.

wcd938x_ear_pa_put_gain, wcd938x_set_swr_port and  wcd938x_set_compander
currently returns zero eventhough it changes the value.
Fix this, so that change notifications are sent correctly.

Fixes: e8ba1e05bd ("ASoC: codecs: wcd938x: add basic controls")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220126113549.8853-4-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:11 +01:00
Srinivas Kandagatla
b54ff87a15 ASoC: codecs: lpass-rx-macro: fix sidetone register offsets
commit fca041a3ab upstream.

For some reason we ended up with incorrect register offfset calcuations
for sidetone. regmap clearly throw errors when accessing these incorrect
registers as these do not belong to any read/write ranges.
so fix them to point to correct register offsets.

Fixes: f3ce6f3c9a ("ASoC: codecs: lpass-rx-macro: add iir widgets")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220126113549.8853-3-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:10 +01:00
Srinivas Kandagatla
aa7152f9f1 ASoC: codecs: wcd938x: fix incorrect used of portid
commit c5c1546a65 upstream.

Mixer controls have the channel id in mixer->reg, which is not same
as port id. port id should be derived from chan_info array.
So fix this. Without this, its possible that we could corrupt
struct wcd938x_sdw_priv by accessing port_map array out of range
with channel id instead of port id.

Fixes: e8ba1e05bd ("ASoC: codecs: wcd938x: add basic controls")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220126113549.8853-2-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:10 +01:00
Dan Carpenter
baead410e5 ASoC: max9759: fix underflow in speaker_gain_control_put()
commit 4c907bcd9d upstream.

Check for negative values of "priv->gain" to prevent an out of bounds
access.  The concern is that these might come from the user via:
  -> snd_ctl_elem_write_user()
    -> snd_ctl_elem_write()
      -> kctl->put()

Fixes: fa8d915172 ("ASoC: max9759: Add Amplifier Driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20220119123101.GA9509@kili
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:10 +01:00
Jiasheng Jiang
263b947aa4 ASoC: cpcap: Check for NULL pointer after calling of_get_child_by_name
commit f7a6021aaf upstream.

If the device does not exist, of_get_child_by_name() will return NULL
pointer.
And devm_snd_soc_register_component() does not check it.
Also, I have noticed that cpcap_codec_driver has not been used yet.
Therefore, it should be better to check it in order to avoid the future
dereference of the NULL pointer.

Fixes: f6cdf2d344 ("ASoC: cpcap: new codec")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20220111025048.524134-1-jiasheng@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:10 +01:00
Robert Hancock
841e6a6b83 ASoC: simple-card: fix probe failure on platform component
commit a64067f4ce upstream.

A previous change to simple-card resulted in asoc_simple_parse_dai
attempting to retrieve the dai_name for platform components, which are
unlikely to have a valid DAI name. This caused simple-card to fail to
probe when using the xlnx_formatter_pcm as the platform component, since
it does not register any DAI components.

Since the dai_name is not used for platform components, just skip trying
to retrieve it for those.

Fixes: f107294c64 ("ASoC: simple-card: support snd_soc_dai_link_component style for cpu")
Signed-off-by: Robert Hancock <robert.hancock@calian.com>
Link: https://lore.kernel.org/r/20220107214711.1100162-6-robert.hancock@calian.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:10 +01:00
Robert Hancock
c6cf5b5078 ASoC: xilinx: xlnx_formatter_pcm: Make buffer bytes multiple of period bytes
commit e958b58847 upstream.

This patch is based on one in the Xilinx kernel tree, "ASoc: xlnx: Make
buffer bytes multiple of period bytes" by Devarsh Thakkar. The same
issue exists in the mainline version of the driver. The original
patch description is as follows:

"The Xilinx Audio Formatter IP has a constraint on period
bytes to be multiple of 64. This leads to driver changing
the period size to suitable frames such that period bytes
are multiple of 64.

Now since period bytes and period size are updated but not
the buffer bytes, this may make the buffer bytes unaligned
and not multiple of period bytes.

When this happens we hear popping noise as while DMA is being
done the buffer bytes are not enough to complete DMA access
for last period of frame within the application buffer boundary.

To avoid this, align buffer bytes too as multiple of 64, and
set another constraint to always enforce number of periods as
integer. Now since, there is already a rule in alsa core
to enforce Buffer size = Number of Periods * Period Size
this automatically aligns buffer bytes as multiple of period
bytes."

Fixes: 6f6c3c36f0 ("ASoC: xlnx: add pcm formatter platform driver")
Cc: Devarsh Thakkar <devarsh.thakkar@xilinx.com>
Signed-off-by: Robert Hancock <robert.hancock@calian.com>
Link: https://lore.kernel.org/r/20220107214711.1100162-2-robert.hancock@calian.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:10 +01:00
Miaoqian Lin
9d44f73df0 ASoC: fsl: Add missing error handling in pcm030_fabric_probe
commit fb25621da5 upstream.

Add the missing platform_device_put() and platform_device_del()
before return from pcm030_fabric_probe in the error handling case.

Fixes: c912fa9134 ("ASoC: fsl: register the wm9712-codec")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220127131336.30214-1-linmq006@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:10 +01:00
Mario Limonciello
8a15ac1786 drm/amd: avoid suspend on dGPUs w/ s2idle support when runtime PM enabled
commit e55a3aea41 upstream.

dGPUs connected to Intel systems configured for suspend to idle
will not have the power rails cut at suspend and resetting the GPU
may lead to problematic behaviors.

Fixes: e25443d276 ("drm/amdgpu: add a dev_pm_ops prepare callback (v2)")
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/1879
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:10 +01:00
Dan Carpenter
5cba71707f drm/i915/overlay: Prevent divide by zero bugs in scaling
commit 90a3d22ff0 upstream.

Smatch detected a divide by zero bug in check_overlay_scaling().

    drivers/gpu/drm/i915/display/intel_overlay.c:976 check_overlay_scaling()
    error: potential divide by zero bug '/ rec->dst_height'.
    drivers/gpu/drm/i915/display/intel_overlay.c:980 check_overlay_scaling()
    error: potential divide by zero bug '/ rec->dst_width'.

Prevent this by ensuring that the dst height and width are non-zero.

Fixes: 02e792fbaa ("drm/i915: implement drmmode overlay support v4")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220124122409.GA31673@kili
(cherry picked from commit cf5b64f7f1)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:10 +01:00
Anitha Chrisanthus
b2c91bee79 drm/kmb: Fix for build errors with Warray-bounds
commit 43f2517955 upstream.

This fixes the following build error

drivers/gpu/drm/kmb/kmb_plane.c: In function 'kmb_plane_atomic_disable':
drivers/gpu/drm/kmb/kmb_plane.c:165:34: error: array subscript 3 is above array bounds of 'struct layer_status[2]' [-Werror=array-bounds]
  165 |                 kmb->plane_status[plane_id].ctrl =
  LCD_CTRL_GL2_ENABLE;
  |                 ~~~~~~~~~~~~~~~~~^~~~~~~~~~
  In file included from drivers/gpu/drm/kmb/kmb_plane.c:17:
  drivers/gpu/drm/kmb/kmb_drv.h:61:41: note: while referencing 'plane_status'
  61 |         struct layer_status  plane_status[KMB_MAX_PLANES];
  |                                         ^~~~~~~~~~~~
  drivers/gpu/drm/kmb/kmb_plane.c:162:34: error: array subscript 2 is above array bounds of 'struct layer_status[2]' [-Werror=array-bounds]
  162 |  kmb->plane_status[plane_id].ctrl =  LCD_CTRL_GL1_ENABLE;
  |                 ~~~~~~~~~~~~~~~~~^~~~~~~~~~
  In file included from
  drivers/gpu/drm/kmb/kmb_plane.c:17:
  drivers/gpu/drm/kmb/kmb_drv.h:61:41: note: while referencing 'plane_status'
  61 |         struct layer_status  plane_status[KMB_MAX_PLANES];
  |
  ^~~~~~~~~~~~

Fixes: 7f7b96a8a0 ("drm/kmb: Add support for KeemBay Display")
Signed-off-by: Anitha Chrisanthus <anitha.chrisanthus@intel.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220127194227.2213608-1-anitha.chrisanthus@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:09 +01:00
Yannick Vignon
a84854bc23 net: stmmac: ensure PTP time register reads are consistent
commit 80d4609008 upstream.

Even if protected from preemption and interrupts, a small time window
remains when the 2 register reads could return inconsistent values,
each time the "seconds" register changes. This could lead to an about
1-second error in the reported time.

Add logic to ensure the "seconds" and "nanoseconds" values are consistent.

Fixes: 92ba688851 ("stmmac: add the support for PTP hw clock driver")
Signed-off-by: Yannick Vignon <yannick.vignon@nxp.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/20220203160025.750632-1-yannick.vignon@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:09 +01:00
Camel Guo
27ea34ead5 net: stmmac: dump gmac4 DMA registers correctly
commit 7af037c39b upstream.

Unlike gmac100, gmac1000, gmac4 has 27 DMA registers and they are
located at DMA_CHAN_BASE_ADDR (0x1100). In order for ethtool to dump
gmac4 DMA registers correctly, this commit checks if a net_device has
gmac4 and uses different logic to dump its DMA registers.

This fixes the following KASAN warning, which can normally be triggered
by a command similar like "ethtool -d eth0":

BUG: KASAN: vmalloc-out-of-bounds in dwmac4_dump_dma_regs+0x6d4/0xb30
Write of size 4 at addr ffffffc010177100 by task ethtool/1839
 kasan_report+0x200/0x21c
 __asan_report_store4_noabort+0x34/0x60
 dwmac4_dump_dma_regs+0x6d4/0xb30
 stmmac_ethtool_gregs+0x110/0x204
 ethtool_get_regs+0x200/0x4b0
 dev_ethtool+0x1dac/0x3800
 dev_ioctl+0x7c0/0xb50
 sock_ioctl+0x298/0x6c4
 ...

Fixes: fbf68229ff ("net: stmmac: unify registers dumps methods")
Signed-off-by: Camel Guo <camelg@axis.com>
Link: https://lore.kernel.org/r/20220131083841.3346801-1-camel.guo@axis.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:09 +01:00
Lior Nahmanson
0ced878998 net: macsec: Verify that send_sci is on when setting Tx sci explicitly
commit d0cfa548db upstream.

When setting Tx sci explicit, the Rx side is expected to use this
sci and not recalculate it from the packet.However, in case of Tx sci
is explicit and send_sci is off, the receiver is wrongly recalculate
the sci from the source MAC address which most likely be different
than the explicit sci.

Fix by preventing such configuration when macsec newlink is established
and return EINVAL error code on such cases.

Fixes: c09440f7dc ("macsec: introduce IEEE 802.1AE driver")
Signed-off-by: Lior Nahmanson <liorna@nvidia.com>
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Raed Salem <raeds@nvidia.com>
Link: https://lore.kernel.org/r/1643542672-29403-1-git-send-email-raeds@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:09 +01:00
Lior Nahmanson
e7a0b3a080 net: macsec: Fix offload support for NETDEV_UNREGISTER event
commit 9cef24c8b7 upstream.

Current macsec netdev notify handler handles NETDEV_UNREGISTER event by
releasing relevant SW resources only, this causes resources leak in case
of macsec HW offload, as the underlay driver was not notified to clean
it's macsec offload resources.

Fix by calling the underlay driver to clean it's relevant resources
by moving offload handling from macsec_dellink() to macsec_common_dellink()
when handling NETDEV_UNREGISTER event.

Fixes: 3cf3227a21 ("net: macsec: hardware offloading infrastructure")
Signed-off-by: Lior Nahmanson <liorna@nvidia.com>
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Raed Salem <raeds@nvidia.com>
Reviewed-by: Antoine Tenart <atenart@kernel.org>
Link: https://lore.kernel.org/r/1643542141-28956-1-git-send-email-raeds@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:09 +01:00
Jisheng Zhang
2967b08119 net: stmmac: properly handle with runtime pm in stmmac_dvr_remove()
commit 6449520391 upstream.

There are two issues with runtime pm handling in stmmac_dvr_remove():

1. the mac is runtime suspended before stopping dma and rx/tx. We
need to ensure the device is properly resumed back.

2. the stmmaceth clk enable/disable isn't balanced in both exit and
error handling code path. Take the exit code path for example, when we
unbind the driver or rmmod the driver module, the mac is runtime
suspended as said above, so the stmmaceth clk is disabled, but
	stmmac_dvr_remove()
	  stmmac_remove_config_dt()
	    clk_disable_unprepare()
CCF will complain this time. The error handling code path suffers
from the similar situtaion.

Here are kernel warnings in error handling code path on Allwinner D1
platform:

[    1.604695] ------------[ cut here ]------------
[    1.609328] bus-emac already disabled
[    1.613015] WARNING: CPU: 0 PID: 38 at drivers/clk/clk.c:952 clk_core_disable+0xcc/0xec
[    1.621039] CPU: 0 PID: 38 Comm: kworker/u2:1 Not tainted 5.14.0-rc4#1
[    1.627653] Hardware name: Allwinner D1 NeZha (DT)
[    1.632443] Workqueue: events_unbound deferred_probe_work_func
[    1.638286] epc : clk_core_disable+0xcc/0xec
[    1.642561]  ra : clk_core_disable+0xcc/0xec
[    1.646835] epc : ffffffff8023c2ec ra : ffffffff8023c2ec sp : ffffffd00411bb10
[    1.654054]  gp : ffffffff80ec9988 tp : ffffffe00143a800 t0 : ffffffff80ed6a6f
[    1.661272]  t1 : ffffffff80ed6a60 t2 : 0000000000000000 s0 : ffffffe001509e00
[    1.668489]  s1 : 0000000000000001 a0 : 0000000000000019 a1 : ffffffff80e80bd8
[    1.675707]  a2 : 00000000ffffefff a3 : 00000000000000f4 a4 : 0000000000000002
[    1.682924]  a5 : 0000000000000001 a6 : 0000000000000030 a7 : 00000000028f5c29
[    1.690141]  s2 : 0000000000000800 s3 : ffffffe001375000 s4 : ffffffe01fdf7a80
[    1.697358]  s5 : ffffffe001375010 s6 : ffffffff8001fc10 s7 : ffffffffffffffff
[    1.704577]  s8 : 0000000000000001 s9 : ffffffff80ecb248 s10: ffffffe001b80000
[    1.711794]  s11: ffffffe001b80760 t3 : 0000000000000062 t4 : ffffffffffffffff
[    1.719012]  t5 : ffffffff80e0f6d8 t6 : ffffffd00411b8f0
[    1.724321] status: 8000000201800100 badaddr: 0000000000000000 cause: 0000000000000003
[    1.732233] [<ffffffff8023c2ec>] clk_core_disable+0xcc/0xec
[    1.737810] [<ffffffff80240430>] clk_disable+0x38/0x78
[    1.742956] [<ffffffff8001fc0c>] worker_thread+0x1a8/0x4d8
[    1.748451] [<ffffffff8031a500>] stmmac_remove_config_dt+0x1c/0x4c
[    1.754646] [<ffffffff8031c8ec>] sun8i_dwmac_probe+0x378/0x82c
[    1.760484] [<ffffffff8001fc0c>] worker_thread+0x1a8/0x4d8
[    1.765975] [<ffffffff8029a6c8>] platform_probe+0x64/0xf0
[    1.771382] [<ffffffff8029833c>] really_probe.part.0+0x8c/0x30c
[    1.777305] [<ffffffff8029865c>] __driver_probe_device+0xa0/0x148
[    1.783402] [<ffffffff8029873c>] driver_probe_device+0x38/0x138
[    1.789324] [<ffffffff802989cc>] __device_attach_driver+0xd0/0x170
[    1.795508] [<ffffffff802988f8>] __driver_attach_async_helper+0xbc/0xc0
[    1.802125] [<ffffffff802965ac>] bus_for_each_drv+0x68/0xb4
[    1.807701] [<ffffffff80298d1c>] __device_attach+0xd8/0x184
[    1.813277] [<ffffffff802967b0>] bus_probe_device+0x98/0xbc
[    1.818852] [<ffffffff80297904>] deferred_probe_work_func+0x90/0xd4
[    1.825122] [<ffffffff8001f8b8>] process_one_work+0x1e4/0x390
[    1.830872] [<ffffffff8001fd80>] worker_thread+0x31c/0x4d8
[    1.836362] [<ffffffff80026bf4>] kthreadd+0x94/0x188
[    1.841335] [<ffffffff80026bf4>] kthreadd+0x94/0x188
[    1.846304] [<ffffffff8001fa60>] process_one_work+0x38c/0x390
[    1.852054] [<ffffffff80026564>] kthread+0x124/0x160
[    1.857021] [<ffffffff8002643c>] set_kthread_struct+0x5c/0x60
[    1.862770] [<ffffffff80001f08>] ret_from_syscall_rejected+0x8/0xc
[    1.868956] ---[ end trace 8d5c6046255f84a0 ]---
[    1.873675] ------------[ cut here ]------------
[    1.878366] bus-emac already unprepared
[    1.882378] WARNING: CPU: 0 PID: 38 at drivers/clk/clk.c:810 clk_core_unprepare+0xe4/0x168
[    1.890673] CPU: 0 PID: 38 Comm: kworker/u2:1 Tainted: G        W	5.14.0-rc4 #1
[    1.898674] Hardware name: Allwinner D1 NeZha (DT)
[    1.903464] Workqueue: events_unbound deferred_probe_work_func
[    1.909305] epc : clk_core_unprepare+0xe4/0x168
[    1.913840]  ra : clk_core_unprepare+0xe4/0x168
[    1.918375] epc : ffffffff8023d6cc ra : ffffffff8023d6cc sp : ffffffd00411bb10
[    1.925593]  gp : ffffffff80ec9988 tp : ffffffe00143a800 t0 : 0000000000000002
[    1.932811]  t1 : ffffffe01f743be0 t2 : 0000000000000040 s0 : ffffffe001509e00
[    1.940029]  s1 : 0000000000000001 a0 : 000000000000001b a1 : ffffffe00143a800
[    1.947246]  a2 : 0000000000000000 a3 : 00000000000000f4 a4 : 0000000000000001
[    1.954463]  a5 : 0000000000000000 a6 : 0000000005fce2a5 a7 : 0000000000000001
[    1.961680]  s2 : 0000000000000800 s3 : ffffffff80afeb90 s4 : ffffffe01fdf7a80
[    1.968898]  s5 : ffffffe001375010 s6 : ffffffff8001fc10 s7 : ffffffffffffffff
[    1.976115]  s8 : 0000000000000001 s9 : ffffffff80ecb248 s10: ffffffe001b80000
[    1.983333]  s11: ffffffe001b80760 t3 : ffffffff80b39120 t4 : 0000000000000001
[    1.990550]  t5 : 0000000000000000 t6 : ffffffe001600002
[    1.995859] status: 8000000201800120 badaddr: 0000000000000000 cause: 0000000000000003
[    2.003771] [<ffffffff8023d6cc>] clk_core_unprepare+0xe4/0x168
[    2.009609] [<ffffffff802403a0>] clk_unprepare+0x24/0x3c
[    2.014929] [<ffffffff8031a508>] stmmac_remove_config_dt+0x24/0x4c
[    2.021125] [<ffffffff8031c8ec>] sun8i_dwmac_probe+0x378/0x82c
[    2.026965] [<ffffffff8001fc0c>] worker_thread+0x1a8/0x4d8
[    2.032463] [<ffffffff8029a6c8>] platform_probe+0x64/0xf0
[    2.037871] [<ffffffff8029833c>] really_probe.part.0+0x8c/0x30c
[    2.043795] [<ffffffff8029865c>] __driver_probe_device+0xa0/0x148
[    2.049892] [<ffffffff8029873c>] driver_probe_device+0x38/0x138
[    2.055815] [<ffffffff802989cc>] __device_attach_driver+0xd0/0x170
[    2.061999] [<ffffffff802988f8>] __driver_attach_async_helper+0xbc/0xc0
[    2.068616] [<ffffffff802965ac>] bus_for_each_drv+0x68/0xb4
[    2.074193] [<ffffffff80298d1c>] __device_attach+0xd8/0x184
[    2.079769] [<ffffffff802967b0>] bus_probe_device+0x98/0xbc
[    2.085345] [<ffffffff80297904>] deferred_probe_work_func+0x90/0xd4
[    2.091616] [<ffffffff8001f8b8>] process_one_work+0x1e4/0x390
[    2.097367] [<ffffffff8001fd80>] worker_thread+0x31c/0x4d8
[    2.102858] [<ffffffff80026bf4>] kthreadd+0x94/0x188
[    2.107830] [<ffffffff80026bf4>] kthreadd+0x94/0x188
[    2.112800] [<ffffffff8001fa60>] process_one_work+0x38c/0x390
[    2.118551] [<ffffffff80026564>] kthread+0x124/0x160
[    2.123520] [<ffffffff8002643c>] set_kthread_struct+0x5c/0x60
[    2.129268] [<ffffffff80001f08>] ret_from_syscall_rejected+0x8/0xc
[    2.135455] ---[ end trace 8d5c6046255f84a1 ]---

Fixes: 5ec5582343 ("net: stmmac: add clocks management for gmac driver")
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:09 +01:00
Yuji Ishikawa
6358e09354 net: stmmac: dwmac-visconti: No change to ETHER_CLOCK_SEL for unexpected speed request.
commit 928d6fe996 upstream.

Variable clk_sel_val is not initialized in the default case of the first switch statement.
In that case, the function should return immediately without any changes to the hardware.

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: b38dd98ff8 ("net: stmmac: Add Toshiba Visconti SoCs glue driver")
Signed-off-by: Yuji Ishikawa <yuji2.ishikawa@toshiba.co.jp>
Reviewed-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:09 +01:00
Wen Gu
0ef6049f66 net/smc: Forward wakeup to smc socket waitqueue after fallback
commit 341adeec9a upstream.

When we replace TCP with SMC and a fallback occurs, there may be
some socket waitqueue entries remaining in smc socket->wq, such
as eppoll_entries inserted by userspace applications.

After the fallback, data flows over TCP/IP and only clcsocket->wq
will be woken up. Applications can't be notified by the entries
which were inserted in smc socket->wq before fallback. So we need
a mechanism to wake up smc socket->wq at the same time if some
entries remaining in it.

The current workaround is to transfer the entries from smc socket->wq
to clcsock->wq during the fallback. But this may cause a crash
like this:

 general protection fault, probably for non-canonical address 0xdead000000000100: 0000 [#1] PREEMPT SMP PTI
 CPU: 3 PID: 0 Comm: swapper/3 Kdump: loaded Tainted: G E     5.16.0+ #107
 RIP: 0010:__wake_up_common+0x65/0x170
 Call Trace:
  <IRQ>
  __wake_up_common_lock+0x7a/0xc0
  sock_def_readable+0x3c/0x70
  tcp_data_queue+0x4a7/0xc40
  tcp_rcv_established+0x32f/0x660
  ? sk_filter_trim_cap+0xcb/0x2e0
  tcp_v4_do_rcv+0x10b/0x260
  tcp_v4_rcv+0xd2a/0xde0
  ip_protocol_deliver_rcu+0x3b/0x1d0
  ip_local_deliver_finish+0x54/0x60
  ip_local_deliver+0x6a/0x110
  ? tcp_v4_early_demux+0xa2/0x140
  ? tcp_v4_early_demux+0x10d/0x140
  ip_sublist_rcv_finish+0x49/0x60
  ip_sublist_rcv+0x19d/0x230
  ip_list_rcv+0x13e/0x170
  __netif_receive_skb_list_core+0x1c2/0x240
  netif_receive_skb_list_internal+0x1e6/0x320
  napi_complete_done+0x11d/0x190
  mlx5e_napi_poll+0x163/0x6b0 [mlx5_core]
  __napi_poll+0x3c/0x1b0
  net_rx_action+0x27c/0x300
  __do_softirq+0x114/0x2d2
  irq_exit_rcu+0xb4/0xe0
  common_interrupt+0xba/0xe0
  </IRQ>
  <TASK>

The crash is caused by privately transferring waitqueue entries from
smc socket->wq to clcsock->wq. The owners of these entries, such as
epoll, have no idea that the entries have been transferred to a
different socket wait queue and still use original waitqueue spinlock
(smc socket->wq.wait.lock) to make the entries operation exclusive,
but it doesn't work. The operations to the entries, such as removing
from the waitqueue (now is clcsock->wq after fallback), may cause a
crash when clcsock waitqueue is being iterated over at the moment.

This patch tries to fix this by no longer transferring wait queue
entries privately, but introducing own implementations of clcsock's
callback functions in fallback situation. The callback functions will
forward the wakeup to smc socket->wq if clcsock->wq is actually woken
up and smc socket->wq has remaining entries.

Fixes: 2153bd1e3d ("net/smc: Transfer remaining wait queue entries during fallback")
Suggested-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Wen Gu <guwen@linux.alibaba.com>
Acked-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:09 +01:00
Miquel Raynal
ea8ecd2d65 net: ieee802154: Return meaningful error codes from the netlink helpers
commit 79c37ca73a upstream.

Returning -1 does not indicate anything useful.

Use a standard and meaningful error code instead.

Fixes: a26c5fd762 ("nl802154: add support for security layer")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20220125121426.848337-6-miquel.raynal@bootlin.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:09 +01:00
Phil Sutter
566bf0e1c7 netfilter: nft_reject_bridge: Fix for missing reply from prerouting
commit aeac4554eb upstream.

Prior to commit fa538f7cf0 ("netfilter: nf_reject: add reject skbuff
creation helpers"), nft_reject_bridge did not assign to nskb->dev before
passing nskb on to br_forward(). The shared skbuff creation helpers
introduced in above commit do which seems to confuse br_forward() as
reject statements in prerouting hook won't emit a packet anymore.

Fix this by simply passing NULL instead of 'dev' to the helpers - they
use the pointer for just that assignment, nothing else.

Fixes: fa538f7cf0 ("netfilter: nf_reject: add reject skbuff creation helpers")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:08 +01:00
Miquel Raynal
94cd597e20 net: ieee802154: ca8210: Stop leaking skb's
commit 621b24b09e upstream.

Upon error the ieee802154_xmit_complete() helper is not called. Only
ieee802154_wake_queue() is called manually. We then leak the skb
structure.

Free the skb structure upon error before returning.

Fixes: ded845a781 ("ieee802154: Add CA8210 IEEE 802.15.4 device driver")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20220125121426.848337-5-miquel.raynal@bootlin.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:08 +01:00
Miquel Raynal
6c6b19a991 net: ieee802154: mcr20a: Fix lifs/sifs periods
commit d753c40048 upstream.

These periods are expressed in time units (microseconds) while 40 and 12
are the number of symbol durations these periods will last. We need to
multiply them both with phy->symbol_duration in order to get these
values in microseconds.

Fixes: 8c6ad9cc51 ("ieee802154: Add NXP MCR20A IEEE 802.15.4 transceiver driver")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20220125121426.848337-3-miquel.raynal@bootlin.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:08 +01:00
Miquel Raynal
29e60b77a4 net: ieee802154: hwsim: Ensure proper channel selection at probe time
commit 1293fccc9e upstream.

Drivers are expected to set the PHY current_channel and current_page
according to their default state. The hwsim driver is advertising being
configured on channel 13 by default but that is not reflected in its own
internal pib structure. In order to ensure that this driver consider the
current channel as being 13 internally, we at least need to set the
pib->channel field to 13.

Fixes: f25da51fdc ("ieee802154: hwsim: add replacement for fakelb")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
[stefan@datenfreihafen.org: fixed assigment from page to channel]
Acked-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20220125121426.848337-2-miquel.raynal@bootlin.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:08 +01:00
Mark Zhang
bb7a226780 IB/cm: Release previously acquired reference counter in the cm_id_priv
commit b856101a17 upstream.

In failure flow, the reference counter acquired was not released,
and the following error was reported:

  drivers/infiniband/core/cm.c:3373 cm_lap_handler() warn: inconsistent
			refcounting 'cm_id_priv->refcount.refs.counter':

Fixes: 7345201c39 ("IB/cm: Improve the calling of cm_init_av_for_lap and cm_init_av_by_path")
Link: https://lore.kernel.org/r/7615f23bbb5c5b66d03f6fa13e1c99d51dae6916.1642581448.git.leonro@nvidia.com
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mark Zhang <markzhang@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:08 +01:00
Mike Marciniszyn
40e20ba903 IB/hfi1: Fix tstats alloc and dealloc
commit e5cce44aff upstream.

The tstats allocation is done in the accelerated ndo_init function but the
allocation is not tested to succeed.

The deallocation is not done in the accelerated ndo_uninit function.

Resolve issues by testing for an allocation failure and adding the
free_percpu in the uninit function.

Fixes: aa0616a9bd ("IB/hfi1: switch to core handling of rx/tx byte/packet counters")
Link: https://lore.kernel.org/r/1642287756-182313-5-git-send-email-mike.marciniszyn@cornelisnetworks.com
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:08 +01:00
Xin Xiong
dd00b4f8f7 spi: uniphier: fix reference count leak in uniphier_spi_probe()
commit 37c2c83ca4 upstream.

The issue happens in several error paths in uniphier_spi_probe().
When either dma_get_slave_caps() or devm_spi_register_master() returns
an error code, the function forgets to decrease the refcount of both
`dma_rx` and `dma_tx` objects, which may lead to refcount leaks.

Fix it by decrementing the reference count of specific objects in
those error paths.

Signed-off-by: Xin Xiong <xiongx18@fudan.edu.cn>
Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Signed-off-by: Xin Tan <tanxin.ctf@gmail.com>
Reviewed-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Fixes: 28d1dddc59 ("spi: uniphier: Add DMA transfer mode support")
Link: https://lore.kernel.org/r/20220125101214.35677-1-xiongx18@fudan.edu.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:08 +01:00
Miaoqian Lin
66606d329d spi: meson-spicc: add IRQ check in meson_spicc_probe
commit e937440f7f upstream.

This check misses checking for  platform_get_irq()'s call and may passes
the negative error codes to devm_request_irq(), which takes unsigned IRQ #,
causing it to fail with -EINVAL, overriding an original error code.
Stop calling devm_request_irq() with invalid IRQ #s.

Fixes: 454fa271bc ("spi: Add Meson SPICC driver")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220126110447.24549-1-linmq006@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:08 +01:00
Benjamin Gaignard
7352f2c264 spi: mediatek: Avoid NULL pointer crash in interrupt
commit f83a96e5f0 upstream.

In some case, like after a transfer timeout, master->cur_msg pointer
is NULL which led to a kernel crash when trying to use master->cur_msg->spi.
mtk_spi_can_dma(), pointed by master->can_dma, doesn't use this parameter
avoid the problem by setting NULL as second parameter.

Fixes: a568231f46 ("spi: mediatek: Add spi bus for Mediatek MT8173")
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Link: https://lore.kernel.org/r/20220131141708.888710-1-benjamin.gaignard@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:08 +01:00
Kamal Dasu
101a1cf8af spi: bcm-qspi: check for valid cs before applying chip select
commit 2cbd27267f upstream.

Apply only valid chip select value. This change fixes case where chip
select is set to initial value of '-1' during probe and  PM supend and
subsequent resume can try to use the value with undefined behaviour.
Also in case where gpio based chip select, the check in
bcm_qspi_chip_select() shall prevent undefined behaviour on resume.

Fixes: fa236a7ef2 ("spi: bcm-qspi: Add Broadcom MSPI driver")
Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20220127185359.27322-1-kdasu.kdev@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:08 +01:00
Joerg Roedel
ca1f48c30e iommu/amd: Fix loop timeout issue in iommu_ga_log_enable()
commit 9b45a7738e upstream.

The polling loop for the register change in iommu_ga_log_enable() needs
to have a udelay() in it.  Otherwise the CPU might be faster than the
IOMMU hardware and wrongly trigger the WARN_ON() further down the code
stream. Use a 10us for udelay(), has there is some hardware where
activation of the GA log can take more than a 100ms.

A future optimization should move the activation check of the GA log
to the point where it gets used for the first time. But that is a
bigger change and not suitable for a fix.

Fixes: 8bda0cfbdc ("iommu/amd: Detect and initialize guest vAPIC log")
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Link: https://lore.kernel.org/r/20220204115537.3894-1-joro@8bytes.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:07 +01:00
Guoqing Jiang
336d096b62 iommu/vt-d: Fix potential memory leak in intel_setup_irq_remapping()
commit 99e675d473 upstream.

After commit e3beca48a4 ("irqdomain/treewide: Keep firmware node
unconditionally allocated"). For tear down scenario, fn is only freed
after fail to allocate ir_domain, though it also should be freed in case
dmar_enable_qi returns error.

Besides free fn, irq_domain and ir_msi_domain need to be removed as well
if intel_setup_irq_remapping fails to enable queued invalidation.

Improve the rewinding path by add out_free_ir_domain and out_free_fwnode
lables per Baolu's suggestion.

Fixes: e3beca48a4 ("irqdomain/treewide: Keep firmware node unconditionally allocated")
Suggested-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Guoqing Jiang <guoqing.jiang@linux.dev>
Link: https://lore.kernel.org/r/20220119063640.16864-1-guoqing.jiang@linux.dev
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20220128031002.2219155-3-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:07 +01:00
Peter Ujfalusi
e4b74b8986 ALSA: hda: Skip codec shutdown in case the codec is not registered
commit 1c7f0e349a upstream.

If the codec->registered is not set then it means that pm_runtime is
not yet enabled and the codec->pcm_list_head has not been initialized.

The access to the not initialized pcm_list_head will lead a kernel crash
during shutdown.

Reported-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Tested-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Fixes: b98444ed59 ("ALSA: hda: Suspend codec at shutdown")
Link: https://lore.kernel.org/r/20220201112144.29411-1-peter.ujfalusi@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:07 +01:00
Takashi Iwai
0c5c643356 ALSA: hda: Fix signedness of sscanf() arguments
commit 0444f82766 upstream.

The %x format of sscanf() takes an unsigned int pointer, while we pass
a signed int pointer.  Practically it's OK, but this may result in a
compile warning.  Let's fix it.

Fixes: a235d5b8e5 ("ALSA: hda: Allow model option to specify PCI SSID alias")
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/r/20220127135717.31751-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:07 +01:00
Tom Rix
c2a91f1ef3 ALSA: usb-audio: initialize variables that could ignore errors
commit 3da4b7403d upstream.

clang static analysis reports this representative issue
mixer.c:1548:35: warning: Assigned value is garbage or undefined
        ucontrol->value.integer.value[0] = val;
                                         ^ ~~~

The filter_error() macro allows errors to be ignored.
If errors can be ignored, initialize variables
so garbage will not be used.

Fixes: 48cc429735 ("ALSA: usb-audio: Filter error from connector kctl ops, too")
Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20220126182142.1184819-1-trix@redhat.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:07 +01:00
Leon Romanovsky
63c69c93d9 RDMA/mlx4: Don't continue event handler after memory allocation failure
commit f3136c4ce7 upstream.

The failure to allocate memory during MLX4_DEV_EVENT_PORT_MGMT_CHANGE
event handler will cause skip the assignment logic, but
ib_dispatch_event() will be called anyway.

Fix it by calling to return instead of break after memory allocation
failure.

Fixes: 00f5ce99dc ("mlx4: Use port management change event instead of smp_snoop")
Link: https://lore.kernel.org/r/12a0e83f18cfad4b5f62654f141e240d04915e10.1643622264.git.leonro@nvidia.com
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Håkon Bugge <haakon.bugge@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:07 +01:00
Bernard Metzler
035ea99c53 RDMA/siw: Fix broken RDMA Read Fence/Resume logic.
commit b43a76f423 upstream.

Code unconditionally resumed fenced SQ processing after next RDMA Read
completion, even if other RDMA Read responses are still outstanding, or
ORQ is full. Also adds comments for better readability of fence
processing, and removes orq_get_tail() helper, which is not needed
anymore.

Fixes: 8b6a361b8c ("rdma/siw: receive path")
Fixes: a531975279 ("rdma/siw: main include file")
Link: https://lore.kernel.org/r/20220130170815.1940-1-bmt@zurich.ibm.com
Reported-by: Jared Holzman <jared.holzman@excelero.com>
Signed-off-by: Bernard Metzler <bmt@zurich.ibm.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:07 +01:00
Mike Marciniszyn
7d9ad6f9f3 IB/rdmavt: Validate remote_addr during loopback atomic tests
commit 4028bccb00 upstream.

The rdma-core test suite sends an unaligned remote address and expects a
failure.

ERROR: test_atomic_non_aligned_addr (tests.test_atomic.AtomicTest)

The qib/hfi1 rc handling validates properly, but the test has the client
and server on the same system.

The loopback of these operations is a distinct code path.

Fix by syntaxing the proposed remote address in the loopback code path.

Fixes: 1570346153 ("IB/{hfi1, qib, rdmavt}: Move ruc_loopback to rdmavt")
Link: https://lore.kernel.org/r/1642584489-141005-1-git-send-email-mike.marciniszyn@cornelisnetworks.com
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:07 +01:00
Dan Carpenter
2989ba9532 RDMA/siw: Fix refcounting leak in siw_create_qp()
commit a75badebfd upstream.

The atomic_inc() needs to be paired with an atomic_dec() on the error
path.

Fixes: 514aee660d ("RDMA: Globally allocate and release QP memory")
Link: https://lore.kernel.org/r/20220118091104.GA11671@kili
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Bernard Metzler <bmt@zurich.ibm.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:07 +01:00
Leon Romanovsky
2923948ffe RDMA/ucma: Protect mc during concurrent multicast leaves
commit 36e8169ec9 upstream.

Partially revert the commit mentioned in the Fixes line to make sure that
allocation and erasing multicast struct are locked.

  BUG: KASAN: use-after-free in ucma_cleanup_multicast drivers/infiniband/core/ucma.c:491 [inline]
  BUG: KASAN: use-after-free in ucma_destroy_private_ctx+0x914/0xb70 drivers/infiniband/core/ucma.c:579
  Read of size 8 at addr ffff88801bb74b00 by task syz-executor.1/25529
  CPU: 0 PID: 25529 Comm: syz-executor.1 Not tainted 5.16.0-rc7-syzkaller #0
  Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
  Call Trace:
   __dump_stack lib/dump_stack.c:88 [inline]
   dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
   print_address_description.constprop.0.cold+0x8d/0x320 mm/kasan/report.c:247
   __kasan_report mm/kasan/report.c:433 [inline]
   kasan_report.cold+0x83/0xdf mm/kasan/report.c:450
   ucma_cleanup_multicast drivers/infiniband/core/ucma.c:491 [inline]
   ucma_destroy_private_ctx+0x914/0xb70 drivers/infiniband/core/ucma.c:579
   ucma_destroy_id+0x1e6/0x280 drivers/infiniband/core/ucma.c:614
   ucma_write+0x25c/0x350 drivers/infiniband/core/ucma.c:1732
   vfs_write+0x28e/0xae0 fs/read_write.c:588
   ksys_write+0x1ee/0x250 fs/read_write.c:643
   do_syscall_x64 arch/x86/entry/common.c:50 [inline]
   do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
   entry_SYSCALL_64_after_hwframe+0x44/0xae

Currently the xarray search can touch a concurrently freeing mc as the
xa_for_each() is not surrounded by any lock. Rather than hold the lock for
a full scan hold it only for the effected items, which is usually an empty
list.

Fixes: 95fe51096b ("RDMA/ucma: Remove mc_list and rely on xarray")
Link: https://lore.kernel.org/r/1cda5fabb1081e8d16e39a48d3a4f8160cea88b8.1642491047.git.leonro@nvidia.com
Reported-by: syzbot+e3f96c43d19782dd14a7@syzkaller.appspotmail.com
Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:06 +01:00
Maor Gottlieb
7715682f35 RDMA/cma: Use correct address when leaving multicast group
commit d9e410ebbe upstream.

In RoCE we should use cma_iboe_set_mgid() and not cma_set_mgid to generate
the mgid, otherwise we will generate an IGMP for an incorrect address.

Fixes: b5de0c60cc ("RDMA/cma: Fix use after free race in roce multicast join")
Link: https://lore.kernel.org/r/913bc6783fd7a95fe71ad9454e01653ee6fb4a9a.1642491047.git.leonro@nvidia.com
Signed-off-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-02-08 18:34:06 +01:00