Commit Graph

1015570 Commits

Author SHA1 Message Date
Li Jun
024236abeb usb: typec: tcpm: cancel send discover hrtimer when unregister tcpm port
Like the state_machine_timer, we should also cancel possible pending
send discover identity hrtimer when unregister tcpm port.

Fixes: c34e85fa69 ("usb: typec: tcpm: Send DISCOVER_IDENTITY from dedicated work")
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Li Jun <jun.li@nxp.com>
Link: https://lore.kernel.org/r/1622627829-11070-3-git-send-email-jun.li@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-06-04 13:28:01 +02:00
Li Jun
7ade4805e2 usb: typec: tcpm: cancel frs hrtimer when unregister tcpm port
Like the state_machine_timer, we should also cancel possible pending
frs hrtimer when unregister tcpm port.

Fixes: 8dc4bd0736 ("usb: typec: tcpm: Add support for Sink Fast Role SWAP(FRS)")
Cc: stable <stable@vger.kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Li Jun <jun.li@nxp.com>
Link: https://lore.kernel.org/r/1622627829-11070-2-git-send-email-jun.li@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-06-04 13:27:58 +02:00
Li Jun
3a13ff7ef4 usb: typec: tcpm: cancel vdm and state machine hrtimer when unregister tcpm port
A pending hrtimer may expire after the kthread_worker of tcpm port
is destroyed, see below kernel dump when do module unload, fix it
by cancel the 2 hrtimers.

[  111.517018] Unable to handle kernel paging request at virtual address ffff8000118cb880
[  111.518786] blk_update_request: I/O error, dev sda, sector 60061185 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  111.526594] Mem abort info:
[  111.526597]   ESR = 0x96000047
[  111.526600]   EC = 0x25: DABT (current EL), IL = 32 bits
[  111.526604]   SET = 0, FnV = 0
[  111.526607]   EA = 0, S1PTW = 0
[  111.526610] Data abort info:
[  111.526612]   ISV = 0, ISS = 0x00000047
[  111.526615]   CM = 0, WnR = 1
[  111.526619] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000041d75000
[  111.526623] [ffff8000118cb880] pgd=10000001bffff003, p4d=10000001bffff003, pud=10000001bfffe003, pmd=10000001bfffa003, pte=0000000000000000
[  111.526642] Internal error: Oops: 96000047 [#1] PREEMPT SMP
[  111.526647] Modules linked in: dwc3_imx8mp dwc3 phy_fsl_imx8mq_usb [last unloaded: tcpci]
[  111.526663] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.13.0-rc4-00927-gebbe9dbd802c-dirty #36
[  111.526670] Hardware name: NXP i.MX8MPlus EVK board (DT)
[  111.526674] pstate: 800000c5 (Nzcv daIF -PAN -UAO -TCO BTYPE=--)
[  111.526681] pc : queued_spin_lock_slowpath+0x1a0/0x390
[  111.526695] lr : _raw_spin_lock_irqsave+0x88/0xb4
[  111.526703] sp : ffff800010003e20
[  111.526706] x29: ffff800010003e20 x28: ffff00017f380180
[  111.537156] buffer_io_error: 6 callbacks suppressed
[  111.537162] Buffer I/O error on dev sda1, logical block 60040704, async page read
[  111.539932]  x27: ffff00017f3801c0
[  111.539938] x26: ffff800010ba2490 x25: 0000000000000000 x24: 0000000000000001
[  111.543025] blk_update_request: I/O error, dev sda, sector 60061186 op 0x0:(READ) flags 0x0 phys_seg 7 prio class 0
[  111.548304]
[  111.548306] x23: 00000000000000c0 x22: ffff0000c2a9f184 x21: ffff00017f380180
[  111.551374] Buffer I/O error on dev sda1, logical block 60040705, async page read
[  111.554499]
[  111.554503] x20: ffff0000c5f14210 x19: 00000000000000c0 x18: 0000000000000000
[  111.557391] Buffer I/O error on dev sda1, logical block 60040706, async page read
[  111.561218]
[  111.561222] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[  111.564205] Buffer I/O error on dev sda1, logical block 60040707, async page read
[  111.570887] x14: 00000000000000f5 x13: 0000000000000001 x12: 0000000000000040
[  111.570902] x11: ffff0000c05ac6d8
[  111.583420] Buffer I/O error on dev sda1, logical block 60040708, async page read
[  111.588978]  x10: 0000000000000000 x9 : 0000000000040000
[  111.588988] x8 : 0000000000000000
[  111.597173] Buffer I/O error on dev sda1, logical block 60040709, async page read
[  111.605766]  x7 : ffff00017f384880 x6 : ffff8000118cb880
[  111.605777] x5 : ffff00017f384880
[  111.611094] Buffer I/O error on dev sda1, logical block 60040710, async page read
[  111.617086]  x4 : 0000000000000000 x3 : ffff0000c2a9f184
[  111.617096] x2 : ffff8000118cb880
[  111.622242] Buffer I/O error on dev sda1, logical block 60040711, async page read
[  111.626927]  x1 : ffff8000118cb880 x0 : ffff00017f384888
[  111.626938] Call trace:
[  111.626942]  queued_spin_lock_slowpath+0x1a0/0x390
[  111.795809]  kthread_queue_work+0x30/0xc0
[  111.799828]  state_machine_timer_handler+0x20/0x30
[  111.804624]  __hrtimer_run_queues+0x140/0x1e0
[  111.808990]  hrtimer_interrupt+0xec/0x2c0
[  111.813004]  arch_timer_handler_phys+0x38/0x50
[  111.817456]  handle_percpu_devid_irq+0x88/0x150
[  111.821991]  __handle_domain_irq+0x80/0xe0
[  111.826093]  gic_handle_irq+0xc0/0x140
[  111.829848]  el1_irq+0xbc/0x154
[  111.832991]  arch_cpu_idle+0x1c/0x2c
[  111.836572]  default_idle_call+0x24/0x6c
[  111.840497]  do_idle+0x238/0x2ac
[  111.843729]  cpu_startup_entry+0x2c/0x70
[  111.847657]  rest_init+0xdc/0xec
[  111.850890]  arch_call_rest_init+0x14/0x20
[  111.854988]  start_kernel+0x508/0x540
[  111.858659] Code: 910020e0 8b0200c2 f861d884 aa0203e1 (f8246827)
[  111.864760] ---[ end trace 308b9a4a3dcb73ac ]---
[  111.869381] Kernel panic - not syncing: Oops: Fatal exception in interrupt
[  111.876258] SMP: stopping secondary CPUs
[  111.880185] Kernel Offset: disabled
[  111.883673] CPU features: 0x00001001,20000846
[  111.888031] Memory Limit: none
[  111.891090] ---[ end Kernel panic - not syncing: Oops: Fatal exception in interrupt ]---

Fixes: 3ed8e1c2ac ("usb: typec: tcpm: Migrate workqueue to RT priority for processing events")
Cc: stable <stable@vger.kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Li Jun <jun.li@nxp.com>
Link: https://lore.kernel.org/r/1622627829-11070-1-git-send-email-jun.li@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-06-04 13:27:52 +02:00
Kyle Tso
063933f47a usb: typec: tcpm: Properly handle Alert and Status Messages
When receiving Alert Message, if it is not unexpected but is
unsupported for some reason, the port should return Not_Supported
Message response.

Also, according to PD3.0 Spec 6.5.2.1.4 Event Flags Field, the
OTP/OVP/OCP flags in the Event Flags field in Status Message no longer
require Get_PPS_Status Message to clear them. Thus remove it when
receiving Status Message with those flags being set.

In addition, add the missing AMS operations for Status Message.

Fixes: 64f7c494a3 ("typec: tcpm: Add support for sink PPS related messages")
Fixes: 0908c5aca3 ("usb: typec: tcpm: AMS and Collision Avoidance")
Signed-off-by: Kyle Tso <kyletso@google.com>
Link: https://lore.kernel.org/r/20210531164928.2368606-1-kyletso@google.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-06-04 13:24:16 +02:00
Nikolay Borisov
aefd7f7065 btrfs: promote debugging asserts to full-fledged checks in validate_super
Syzbot managed to trigger this assert while performing its fuzzing.
Turns out it's better to have those asserts turned into full-fledged
checks so that in case buggy btrfs images are mounted the users gets
an error and mounting is stopped. Alternatively with CONFIG_BTRFS_ASSERT
disabled such image would have been erroneously allowed to be mounted.

Reported-by: syzbot+a6bf271c02e4fe66b4e4@syzkaller.appspotmail.com
CC: stable@vger.kernel.org # 5.4+
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ add uuids to the messages ]
Signed-off-by: David Sterba <dsterba@suse.com>
2021-06-04 13:12:06 +02:00
Ritesh Harjani
e7b2ec3d3d btrfs: return value from btrfs_mark_extent_written() in case of error
We always return 0 even in case of an error in btrfs_mark_extent_written().
Fix it to return proper error value in case of a failure. All callers
handle it.

CC: stable@vger.kernel.org # 4.4+
Signed-off-by: Ritesh Harjani <riteshh@linux.ibm.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2021-06-04 13:11:58 +02:00
Naohiro Aota
5b434df877 btrfs: zoned: fix zone number to sector/physical calculation
In btrfs_get_dev_zone_info(), we have "u32 sb_zone" and calculate "sector_t
sector" by shifting it. But, this "sector" is calculated in 32bit, leading
it to be 0 for the 2nd superblock copy.

Since zone number is u32, shifting it to sector (sector_t) or physical
address (u64) can easily trigger a missing cast bug like this.

This commit introduces helpers to convert zone number to sector/LBA, so we
won't fall into the same pitfall again.

Reported-by: Dmitry Fomichev <Dmitry.Fomichev@wdc.com>
Fixes: 12659251ca ("btrfs: implement log-structured superblock for ZONED mode")
CC: stable@vger.kernel.org # 5.11+
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2021-06-04 13:11:50 +02:00
Josef Bacik
165ea85f14 btrfs: do not write supers if we have an fs error
Error injection testing uncovered a pretty severe problem where we could
end up committing a super that pointed to the wrong tree roots,
resulting in transid mismatch errors.

The way we commit the transaction is we update the super copy with the
current generations and bytenrs of the important roots, and then copy
that into our super_for_commit.  Then we allow transactions to continue
again, we write out the dirty pages for the transaction, and then we
write the super.  If the write out fails we'll bail and skip writing the
supers.

However since we've allowed a new transaction to start, we can have a
log attempting to sync at this point, which would be blocked on
fs_info->tree_log_mutex.  Once the commit fails we're allowed to do the
log tree commit, which uses super_for_commit, which now points at fs
tree's that were not written out.

Fix this by checking BTRFS_FS_STATE_ERROR once we acquire the
tree_log_mutex.  This way if the transaction commit fails we're sure to
see this bit set and we can skip writing the super out.  This patch
fixes this specific transid mismatch error I was seeing with this
particular error path.

CC: stable@vger.kernel.org # 5.12+
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2021-06-04 13:11:38 +02:00
Neil Armstrong
4d2aa178d2 usb: dwc3-meson-g12a: fix usb2 PHY glue init when phy0 is disabled
When only PHY1 is used (for example on Odroid-HC4), the regmap init code
uses the usb2 ports when doesn't initialize the PHY1 regmap entry.

This fixes:
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000020
...
pc : regmap_update_bits_base+0x40/0xa0
lr : dwc3_meson_g12a_usb2_init_phy+0x4c/0xf8
...
Call trace:
regmap_update_bits_base+0x40/0xa0
dwc3_meson_g12a_usb2_init_phy+0x4c/0xf8
dwc3_meson_g12a_usb2_init+0x7c/0xc8
dwc3_meson_g12a_usb_init+0x28/0x48
dwc3_meson_g12a_probe+0x298/0x540
platform_probe+0x70/0xe0
really_probe+0xf0/0x4d8
driver_probe_device+0xfc/0x168
...

Fixes: 013af227f5 ("usb: dwc3: meson-g12a: handle the phy and glue registers separately")
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210601084830.260196-1-narmstrong@baylibre.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-06-04 12:58:55 +02:00
Christophe JAILLET
1d0d3d818e usb: dwc3: meson-g12a: Disable the regulator in the error handling path of the probe
If an error occurs after a successful 'regulator_enable()' call,
'regulator_disable()' must be called.

Fix the error handling path of the probe accordingly.

The remove function doesn't need to be fixed, because the
'regulator_disable()' call is already hidden in 'dwc3_meson_g12a_suspend()'
which is called via 'pm_runtime_set_suspended()' in the remove function.

Fixes: c99993376f ("usb: dwc3: Add Amlogic G12A DWC3 glue")
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/79df054046224bbb0716a8c5c2082650290eec86.1621616013.git.christophe.jaillet@wanadoo.fr
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-06-04 12:55:27 +02:00
Greg Kroah-Hartman
757d2e6065 phy: fixes for 5.13
Phy driver fixes for few drivers: cadence, mtk-tphy, sparx5, wiz mostly
 fixing error code and checking return codes etc
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Merge tag 'phy-fixes-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy into char-misc-linus

Vinod writes:

phy: fixes for 5.13

Phy driver fixes for few drivers: cadence, mtk-tphy, sparx5, wiz mostly
fixing error code and checking return codes etc

* tag 'phy-fixes-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy:
  phy: Sparx5 Eth SerDes: check return value after calling platform_get_resource()
  phy: ralink: phy-mt7621-pci: drop 'of_match_ptr' to fix -Wunused-const-variable
  phy: ti: Fix an error code in wiz_probe()
  phy: phy-mtk-tphy: Fix some resource leaks in mtk_phy_init()
  phy: cadence: Sierra: Fix error return code in cdns_sierra_phy_probe()
  phy: usb: Fix misuse of IS_ENABLED
2021-06-04 11:43:33 +02:00
Kyle Tso
80137c1873 usb: typec: tcpm: Fix misuses of AMS invocation
tcpm_ams_start is used to initiate an AMS as well as checking Collision
Avoidance conditions but not for flagging passive AMS (initiated by the
port partner). Fix the misuses of tcpm_ams_start in tcpm_pd_svdm.

ATTENTION doesn't need responses so the AMS flag is not needed here.

Fixes: 0bc3ee9288 ("usb: typec: tcpm: Properly interrupt VDM AMS")
Signed-off-by: Kyle Tso <kyletso@google.com>
Link: https://lore.kernel.org/r/20210601123151.3441914-5-kyletso@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-06-04 11:43:01 +02:00
Kyle Tso
7ac5051035 usb: typec: tcpm: Introduce snk_vdo_v1 for SVDM version 1.0
The ID Header VDO and Product VDOs defined in USB PD Spec rev 2.0 and
rev 3.1 are quite different. Add an additional array snk_vdo_v1 and
send it as the response to the port partner if it only supports SVDM
version 1.0.

Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Kyle Tso <kyletso@google.com>
Link: https://lore.kernel.org/r/20210601123151.3441914-4-kyletso@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-06-04 11:43:01 +02:00
Kyle Tso
55b54c269b dt-bindings: connector: Add PD rev 2.0 VDO definition
Add the VDO definition for USB PD rev 2.0 in the bindings and define a
new property snk-vdos-v1 containing legacy VDOs as the responses to the
port partner which only supports PD rev 2.0.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kyle Tso <kyletso@google.com>
Link: https://lore.kernel.org/r/20210601123151.3441914-3-kyletso@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-06-04 11:43:01 +02:00
Kyle Tso
f41bfc7e9c usb: typec: tcpm: Correct the responses in SVDM Version 2.0 DFP
In USB PD Spec Rev 3.1 Ver 1.0, section "6.12.5 Applicability of
Structured VDM Commands", DFP is allowed and recommended to respond to
Discovery Identity with ACK. And in section "6.4.4.2.5.1 Commands other
than Attention", NAK should be returned only when receiving Messages
with invalid fields, Messages in wrong situation, or unrecognize
Messages.

Still keep the original design for SVDM Version 1.0 for backward
compatibilities.

Fixes: 193a68011f ("staging: typec: tcpm: Respond to Discover Identity commands")
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Kyle Tso <kyletso@google.com>
Link: https://lore.kernel.org/r/20210601123151.3441914-2-kyletso@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-06-04 11:43:01 +02:00
Alexandru Elisei
8f11fe7e40 Revert "usb: dwc3: core: Add shutdown callback for dwc3"
This reverts commit 568262bf54.

The commit causes the following panic when shutting down a rockpro64-v2
board:

[..]
[   41.684569] xhci-hcd xhci-hcd.2.auto: USB bus 1 deregistered
[   41.686301] Unable to handle kernel NULL pointer dereference at virtual address 00000000000000a0
[   41.687096] Mem abort info:
[   41.687345]   ESR = 0x96000004
[   41.687615]   EC = 0x25: DABT (current EL), IL = 32 bits
[   41.688082]   SET = 0, FnV = 0
[   41.688352]   EA = 0, S1PTW = 0
[   41.688628] Data abort info:
[   41.688882]   ISV = 0, ISS = 0x00000004
[   41.689219]   CM = 0, WnR = 0
[   41.689481] user pgtable: 4k pages, 48-bit VAs, pgdp=00000000073b2000
[   41.690046] [00000000000000a0] pgd=0000000000000000, p4d=0000000000000000
[   41.690654] Internal error: Oops: 96000004 [#1] PREEMPT SMP
[   41.691143] Modules linked in:
[   41.691416] CPU: 5 PID: 1 Comm: shutdown Not tainted 5.13.0-rc4 #43
[   41.691966] Hardware name: Pine64 RockPro64 v2.0 (DT)
[   41.692409] pstate: 60000005 (nZCv daif -PAN -UAO -TCO BTYPE=--)
[   41.692937] pc : down_read_interruptible+0xec/0x200
[   41.693373] lr : simple_recursive_removal+0x48/0x280
[   41.693815] sp : ffff800011fab910
[   41.694107] x29: ffff800011fab910 x28: ffff0000008fe480 x27: ffff0000008fe4d8
[   41.694736] x26: ffff800011529a90 x25: 00000000000000a0 x24: ffff800011edd030
[   41.695364] x23: 0000000000000080 x22: 0000000000000000 x21: ffff800011f23994
[   41.695992] x20: ffff800011f23998 x19: ffff0000008fe480 x18: ffffffffffffffff
[   41.696620] x17: 000c0400bb44ffff x16: 0000000000000009 x15: ffff800091faba3d
[   41.697248] x14: 0000000000000004 x13: 0000000000000000 x12: 0000000000000020
[   41.697875] x11: 0101010101010101 x10: 7f7f7f7f7f7f7f7f x9 : 6f6c746364716e62
[   41.698502] x8 : 7f7f7f7f7f7f7f7f x7 : fefefeff6364626d x6 : 0000000000000440
[   41.699130] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 00000000000000a0
[   41.699758] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 00000000000000a0
[   41.700386] Call trace:
[   41.700602]  down_read_interruptible+0xec/0x200
[   41.701003]  debugfs_remove+0x5c/0x80
[   41.701328]  dwc3_debugfs_exit+0x1c/0x6c
[   41.701676]  dwc3_remove+0x34/0x1a0
[   41.701988]  platform_remove+0x28/0x60
[   41.702322]  __device_release_driver+0x188/0x22c
[   41.702730]  device_release_driver+0x2c/0x44
[   41.703106]  bus_remove_device+0x124/0x130
[   41.703468]  device_del+0x16c/0x424
[   41.703777]  platform_device_del.part.0+0x1c/0x90
[   41.704193]  platform_device_unregister+0x28/0x44
[   41.704608]  of_platform_device_destroy+0xe8/0x100
[   41.705031]  device_for_each_child_reverse+0x64/0xb4
[   41.705470]  of_platform_depopulate+0x40/0x84
[   41.705853]  __dwc3_of_simple_teardown+0x20/0xd4
[   41.706260]  dwc3_of_simple_shutdown+0x14/0x20
[   41.706652]  platform_shutdown+0x28/0x40
[   41.706998]  device_shutdown+0x158/0x330
[   41.707344]  kernel_power_off+0x38/0x7c
[   41.707684]  __do_sys_reboot+0x16c/0x2a0
[   41.708029]  __arm64_sys_reboot+0x28/0x34
[   41.708383]  invoke_syscall+0x48/0x114
[   41.708716]  el0_svc_common.constprop.0+0x44/0xdc
[   41.709131]  do_el0_svc+0x28/0x90
[   41.709426]  el0_svc+0x2c/0x54
[   41.709698]  el0_sync_handler+0xa4/0x130
[   41.710045]  el0_sync+0x198/0x1c0
[   41.710342] Code: c8047c62 35ffff84 17fffe5f f9800071 (c85ffc60)
[   41.710881] ---[ end trace 406377df5178f75c ]---
[   41.711299] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[   41.712084] Kernel Offset: disabled
[   41.712391] CPU features: 0x10001031,20000846
[   41.712775] Memory Limit: none
[   41.713049] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b ]---

As Felipe explained: "dwc3_shutdown() is just called dwc3_remove()
directly, then we end up calling debugfs_remove_recursive() twice."

Reverting the commit fixes the panic.

Fixes: 568262bf54 ("usb: dwc3: core: Add shutdown callback for dwc3")
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Alexandru Elisei <alexandru.elisei@arm.com>
Link: https://lore.kernel.org/r/20210603151742.298243-1-alexandru.elisei@arm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-06-04 10:40:57 +02:00
Kyle Tso
9257bd80b9 dt-bindings: connector: Replace BIT macro with generic bit ops
BIT macro is not defined. Replace it with generic bit operations.

Fixes: 630dce2810 ("dt-bindings: connector: Add SVDM VDO properties")
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kyle Tso <kyletso@google.com>
Link: https://lore.kernel.org/r/20210527121029.583611-1-kyletso@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-06-04 10:40:39 +02:00
Dave Airlie
37e2f2e800 drm/tegra: Fixes for v5.13-rc5
The most important change here fixes a race condition that causes either
 HDA or (more frequently) display to malfunction because they race for
 enabling the SOR power domain at probe time.
 
 Other than that, there's a couple of build warnings for issues
 introduced in v5.13 as well as some minor fixes, such as reference leak
 plugs.
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Merge tag 'drm/tegra/for-5.13-rc5' of ssh://git.freedesktop.org/git/tegra/linux into drm-fixes

drm/tegra: Fixes for v5.13-rc5

The most important change here fixes a race condition that causes either
HDA or (more frequently) display to malfunction because they race for
enabling the SOR power domain at probe time.

Other than that, there's a couple of build warnings for issues
introduced in v5.13 as well as some minor fixes, such as reference leak
plugs.

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

From: Thierry Reding <thierry.reding@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210603144624.788861-1-thierry.reding@gmail.com
2021-06-04 10:23:57 +10:00
Dave Airlie
d6273d8f31 Merge tag 'amd-drm-fixes-5.13-2021-06-02' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-5.13-2021-06-02:

amdgpu:
- Display fixes
- FRU EEPROM error handling fix
- RAS fix
- PSP fix
- Releasing pinned BO fix

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210603040410.4080-1-alexander.deucher@amd.com
2021-06-04 09:45:15 +10:00
David S. Miller
579028dec1 bluetooth pull request for net:
- Fixes UAF and CVE-2021-3564
  - Fix VIRTIO_ID_BT to use an unassigned ID
  - Fix firmware loading on some Intel Controllers
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Merge tag 'for-net-2021-06-03' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth

bluetooth pull request for net:

 - Fixes UAF and CVE-2021-3564
 - Fix VIRTIO_ID_BT to use an unassigned ID
 - Fix firmware loading on some Intel Controllers

Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-03 15:32:21 -07:00
Xuan Zhuo
1a8024239d virtio-net: fix for skb_over_panic inside big mode
In virtio-net's large packet mode, there is a hole in the space behind
buf.

    hdr_padded_len - hdr_len

We must take this into account when calculating tailroom.

[   44.544385] skb_put.cold (net/core/skbuff.c:5254 (discriminator 1) net/core/skbuff.c:5252 (discriminator 1))
[   44.544864] page_to_skb (drivers/net/virtio_net.c:485) [   44.545361] receive_buf (drivers/net/virtio_net.c:849 drivers/net/virtio_net.c:1131)
[   44.545870] ? netif_receive_skb_list_internal (net/core/dev.c:5714)
[   44.546628] ? dev_gro_receive (net/core/dev.c:6103)
[   44.547135] ? napi_complete_done (./include/linux/list.h:35 net/core/dev.c:5867 net/core/dev.c:5862 net/core/dev.c:6565)
[   44.547672] virtnet_poll (drivers/net/virtio_net.c:1427 drivers/net/virtio_net.c:1525)
[   44.548251] __napi_poll (net/core/dev.c:6985)
[   44.548744] net_rx_action (net/core/dev.c:7054 net/core/dev.c:7139)
[   44.549264] __do_softirq (./arch/x86/include/asm/jump_label.h:19 ./include/linux/jump_label.h:200 ./include/trace/events/irq.h:142 kernel/softirq.c:560)
[   44.549762] irq_exit_rcu (kernel/softirq.c:433 kernel/softirq.c:637 kernel/softirq.c:649)
[   44.551384] common_interrupt (arch/x86/kernel/irq.c:240 (discriminator 13))
[   44.551991] ? asm_common_interrupt (./arch/x86/include/asm/idtentry.h:638)
[   44.552654] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:638)

Fixes: fb32856b16 ("virtio-net: page_to_skb() use build_skb when there's sufficient tailroom")
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Reported-by: Corentin Noël <corentin.noel@collabora.com>
Tested-by: Corentin Noël <corentin.noel@collabora.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-03 15:29:04 -07:00
David S. Miller
e31d57ca14 Merge tag 'ieee802154-for-davem-2021-06-03' of git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan
Stefan Schmidt says:

====================
An update from ieee802154 for your *net* tree.

This time we have fixes for the ieee802154 netlink code, as well as a driver
fix. Zhen Lei, Wei Yongjun and Yang Li each had  a patch to cleanup some return
code handling ensuring we actually get a real error code when things fails.

Dan Robertson fixed a potential null dereference in our netlink handling.

Andy Shevchenko removed of_match_ptr()usage in the mrf24j40 driver.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-03 15:21:58 -07:00
Coco Li
821bbf79fe ipv6: Fix KASAN: slab-out-of-bounds Read in fib6_nh_flush_exceptions
Reported by syzbot:
HEAD commit:    90c911ad Merge tag 'fixes' of git://git.kernel.org/pub/scm..
git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
dashboard link: https://syzkaller.appspot.com/bug?extid=123aa35098fd3c000eb7
compiler:       Debian clang version 11.0.1-2

==================================================================
BUG: KASAN: slab-out-of-bounds in fib6_nh_get_excptn_bucket net/ipv6/route.c:1604 [inline]
BUG: KASAN: slab-out-of-bounds in fib6_nh_flush_exceptions+0xbd/0x360 net/ipv6/route.c:1732
Read of size 8 at addr ffff8880145c78f8 by task syz-executor.4/17760

CPU: 0 PID: 17760 Comm: syz-executor.4 Not tainted 5.12.0-rc8-syzkaller #0
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x202/0x31e lib/dump_stack.c:120
 print_address_description+0x5f/0x3b0 mm/kasan/report.c:232
 __kasan_report mm/kasan/report.c:399 [inline]
 kasan_report+0x15c/0x200 mm/kasan/report.c:416
 fib6_nh_get_excptn_bucket net/ipv6/route.c:1604 [inline]
 fib6_nh_flush_exceptions+0xbd/0x360 net/ipv6/route.c:1732
 fib6_nh_release+0x9a/0x430 net/ipv6/route.c:3536
 fib6_info_destroy_rcu+0xcb/0x1c0 net/ipv6/ip6_fib.c:174
 rcu_do_batch kernel/rcu/tree.c:2559 [inline]
 rcu_core+0x8f6/0x1450 kernel/rcu/tree.c:2794
 __do_softirq+0x372/0x7a6 kernel/softirq.c:345
 invoke_softirq kernel/softirq.c:221 [inline]
 __irq_exit_rcu+0x22c/0x260 kernel/softirq.c:422
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:434
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632
RIP: 0010:lock_acquire+0x1f6/0x720 kernel/locking/lockdep.c:5515
Code: f6 84 24 a1 00 00 00 02 0f 85 8d 02 00 00 f7 c3 00 02 00 00 49 bd 00 00 00 00 00 fc ff df 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 4b c7 44 3d 09 00 00 00 00 43 c7 44 3d
RSP: 0018:ffffc90009e06560 EFLAGS: 00000206
RAX: 1ffff920013c0cc0 RBX: 0000000000000246 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90009e066e0 R08: dffffc0000000000 R09: fffffbfff1f992b1
R10: fffffbfff1f992b1 R11: 0000000000000000 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920013c0cb4
 rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:267
 rcu_read_lock include/linux/rcupdate.h:656 [inline]
 ext4_get_group_info+0xea/0x340 fs/ext4/ext4.h:3231
 ext4_mb_prefetch+0x123/0x5d0 fs/ext4/mballoc.c:2212
 ext4_mb_regular_allocator+0x8a5/0x28f0 fs/ext4/mballoc.c:2379
 ext4_mb_new_blocks+0xc6e/0x24f0 fs/ext4/mballoc.c:4982
 ext4_ext_map_blocks+0x2be3/0x7210 fs/ext4/extents.c:4238
 ext4_map_blocks+0xab3/0x1cb0 fs/ext4/inode.c:638
 ext4_getblk+0x187/0x6c0 fs/ext4/inode.c:848
 ext4_bread+0x2a/0x1c0 fs/ext4/inode.c:900
 ext4_append+0x1a4/0x360 fs/ext4/namei.c:67
 ext4_init_new_dir+0x337/0xa10 fs/ext4/namei.c:2768
 ext4_mkdir+0x4b8/0xc00 fs/ext4/namei.c:2814
 vfs_mkdir+0x45b/0x640 fs/namei.c:3819
 ovl_do_mkdir fs/overlayfs/overlayfs.h:161 [inline]
 ovl_mkdir_real+0x53/0x1a0 fs/overlayfs/dir.c:146
 ovl_create_real+0x280/0x490 fs/overlayfs/dir.c:193
 ovl_workdir_create+0x425/0x600 fs/overlayfs/super.c:788
 ovl_make_workdir+0xed/0x1140 fs/overlayfs/super.c:1355
 ovl_get_workdir fs/overlayfs/super.c:1492 [inline]
 ovl_fill_super+0x39ee/0x5370 fs/overlayfs/super.c:2035
 mount_nodev+0x52/0xe0 fs/super.c:1413
 legacy_get_tree+0xea/0x180 fs/fs_context.c:592
 vfs_get_tree+0x86/0x270 fs/super.c:1497
 do_new_mount fs/namespace.c:2903 [inline]
 path_mount+0x196f/0x2be0 fs/namespace.c:3233
 do_mount fs/namespace.c:3246 [inline]
 __do_sys_mount fs/namespace.c:3454 [inline]
 __se_sys_mount+0x2f9/0x3b0 fs/namespace.c:3431
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665f9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f68f2b87188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9
RDX: 00000000200000c0 RSI: 0000000020000000 RDI: 000000000040000a
RBP: 00000000004bfbb9 R08: 0000000020000100 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007ffe19002dff R14: 00007f68f2b87300 R15: 0000000000022000

Allocated by task 17768:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:427 [inline]
 ____kasan_kmalloc+0xc2/0xf0 mm/kasan/common.c:506
 kasan_kmalloc include/linux/kasan.h:233 [inline]
 __kmalloc+0xb4/0x380 mm/slub.c:4055
 kmalloc include/linux/slab.h:559 [inline]
 kzalloc include/linux/slab.h:684 [inline]
 fib6_info_alloc+0x2c/0xd0 net/ipv6/ip6_fib.c:154
 ip6_route_info_create+0x55d/0x1a10 net/ipv6/route.c:3638
 ip6_route_add+0x22/0x120 net/ipv6/route.c:3728
 inet6_rtm_newroute+0x2cd/0x2260 net/ipv6/route.c:5352
 rtnetlink_rcv_msg+0xb34/0xe70 net/core/rtnetlink.c:5553
 netlink_rcv_skb+0x1f0/0x460 net/netlink/af_netlink.c:2502
 netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline]
 netlink_unicast+0x7de/0x9b0 net/netlink/af_netlink.c:1338
 netlink_sendmsg+0xaa6/0xe90 net/netlink/af_netlink.c:1927
 sock_sendmsg_nosec net/socket.c:654 [inline]
 sock_sendmsg net/socket.c:674 [inline]
 ____sys_sendmsg+0x5a2/0x900 net/socket.c:2350
 ___sys_sendmsg net/socket.c:2404 [inline]
 __sys_sendmsg+0x319/0x400 net/socket.c:2433
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae

Last potentially related work creation:
 kasan_save_stack+0x27/0x50 mm/kasan/common.c:38
 kasan_record_aux_stack+0xee/0x120 mm/kasan/generic.c:345
 __call_rcu kernel/rcu/tree.c:3039 [inline]
 call_rcu+0x1b1/0xa30 kernel/rcu/tree.c:3114
 fib6_info_release include/net/ip6_fib.h:337 [inline]
 ip6_route_info_create+0x10c4/0x1a10 net/ipv6/route.c:3718
 ip6_route_add+0x22/0x120 net/ipv6/route.c:3728
 inet6_rtm_newroute+0x2cd/0x2260 net/ipv6/route.c:5352
 rtnetlink_rcv_msg+0xb34/0xe70 net/core/rtnetlink.c:5553
 netlink_rcv_skb+0x1f0/0x460 net/netlink/af_netlink.c:2502
 netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline]
 netlink_unicast+0x7de/0x9b0 net/netlink/af_netlink.c:1338
 netlink_sendmsg+0xaa6/0xe90 net/netlink/af_netlink.c:1927
 sock_sendmsg_nosec net/socket.c:654 [inline]
 sock_sendmsg net/socket.c:674 [inline]
 ____sys_sendmsg+0x5a2/0x900 net/socket.c:2350
 ___sys_sendmsg net/socket.c:2404 [inline]
 __sys_sendmsg+0x319/0x400 net/socket.c:2433
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae

Second to last potentially related work creation:
 kasan_save_stack+0x27/0x50 mm/kasan/common.c:38
 kasan_record_aux_stack+0xee/0x120 mm/kasan/generic.c:345
 insert_work+0x54/0x400 kernel/workqueue.c:1331
 __queue_work+0x981/0xcc0 kernel/workqueue.c:1497
 queue_work_on+0x111/0x200 kernel/workqueue.c:1524
 queue_work include/linux/workqueue.h:507 [inline]
 call_usermodehelper_exec+0x283/0x470 kernel/umh.c:433
 kobject_uevent_env+0x1349/0x1730 lib/kobject_uevent.c:617
 kvm_uevent_notify_change+0x309/0x3b0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4809
 kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:877 [inline]
 kvm_put_kvm+0x9c/0xd10 arch/x86/kvm/../../../virt/kvm/kvm_main.c:920
 kvm_vcpu_release+0x53/0x60 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3120
 __fput+0x352/0x7b0 fs/file_table.c:280
 task_work_run+0x146/0x1c0 kernel/task_work.c:140
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:174 [inline]
 exit_to_user_mode_prepare+0x10b/0x1e0 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x26/0x70 kernel/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x44/0xae

The buggy address belongs to the object at ffff8880145c7800
 which belongs to the cache kmalloc-192 of size 192
The buggy address is located 56 bytes to the right of
 192-byte region [ffff8880145c7800, ffff8880145c78c0)
The buggy address belongs to the page:
page:ffffea00005171c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x145c7
flags: 0xfff00000000200(slab)
raw: 00fff00000000200 ffffea00006474c0 0000000200000002 ffff888010c41a00
raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8880145c7780: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff8880145c7800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880145c7880: 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc
                                                                ^
 ffff8880145c7900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8880145c7980: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
==================================================================

In the ip6_route_info_create function, in the case that the nh pointer
is not NULL, the fib6_nh in fib6_info has not been allocated.
Therefore, when trying to free fib6_info in this error case using
fib6_info_release, the function will call fib6_info_destroy_rcu,
which it will access fib6_nh_release(f6i->fib6_nh);
However, f6i->fib6_nh doesn't have any refcount yet given the lack of allocation
causing the reported memory issue above.
Therefore, releasing the empty pointer directly instead would be the solution.

Fixes: f88d8ea67f ("ipv6: Plumb support for nexthop object in a fib6_info")
Fixes: 706ec91916 ("ipv6: Fix nexthop refcnt leak when creating ipv6 route info")
Signed-off-by: Coco Li <lixiaoyan@google.com>
Cc: David Ahern <dsahern@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-03 15:19:49 -07:00
David S. Miller
5e7a2c6494 wireless-drivers fixes for v5.13
We have only mt76 fixes this time, most important being the fix for
 A-MSDU injection attacks.
 
 mt76
 
 * mitigate A-MSDU injection attacks (CVE-2020-24588)
 
 * fix possible array out of bound access in mt7921_mcu_tx_rate_report
 
 * various aggregation and HE setting fixes
 
 * suspend/resume fix for pci devices
 
 * mt7615: fix crash when runtime-pm is not supported
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Merge tag 'wireless-drivers-2021-06-03' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers

Kalle Valo says:

====================
wireless-drivers fixes for v5.13

We have only mt76 fixes this time, most important being the fix for
A-MSDU injection attacks.

mt76

* mitigate A-MSDU injection attacks (CVE-2020-24588)

* fix possible array out of bound access in mt7921_mcu_tx_rate_report

* various aggregation and HE setting fixes

* suspend/resume fix for pci devices

* mt7615: fix crash when runtime-pm is not supported
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-03 15:17:33 -07:00
Zheng Yongjun
59607863c5 fib: Return the correct errno code
When kalloc or kmemdup failed, should return ENOMEM rather than ENOBUF.

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-03 15:13:56 -07:00
Zheng Yongjun
49251cd002 net: Return the correct errno code
When kalloc or kmemdup failed, should return ENOMEM rather than ENOBUF.

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-03 15:13:56 -07:00
Zheng Yongjun
d773695866 net/x25: Return the correct errno code
When kalloc or kmemdup failed, should return ENOMEM rather than ENOBUF.

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-03 15:13:56 -07:00
Rahul Lakkireddy
a27fb314cb cxgb4: fix regression with HASH tc prio value update
commit db43b30cd8 ("cxgb4: add ethtool n-tuple filter deletion")
has moved searching for next highest priority HASH filter rule to
cxgb4_flow_rule_destroy(), which searches the rhashtable before the
the rule is removed from it and hence always finds at least 1 entry.
Fix by removing the rule from rhashtable first before calling
cxgb4_flow_rule_destroy() and hence avoid fetching stale info.

Fixes: db43b30cd8 ("cxgb4: add ethtool n-tuple filter deletion")
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-03 15:12:42 -07:00
David S. Miller
e03101824d Merge branch 'caif-fixes'
Pavel Skripkin says:

====================
This patch series fix 2 memory leaks in caif
interface.

Syzbot reported memory leak in cfserl_create().
The problem was in cfcnfg_add_phy_layer() function.
This function accepts struct cflayer *link_support and
assign it to corresponting structures, but it can fail
in some cases.

These cases must be handled to prevent leaking allocated
struct cflayer *link_support pointer, because if error accured
before assigning link_support pointer to somewhere, this pointer
must be freed.

Fail log:

[   49.051872][ T7010] caif:cfcnfg_add_phy_layer(): Too many CAIF Link Layers (max 6)
[   49.110236][ T7042] caif:cfcnfg_add_phy_layer(): Too many CAIF Link Layers (max 6)
[   49.134936][ T7045] caif:cfcnfg_add_phy_layer(): Too many CAIF Link Layers (max 6)
[   49.163083][ T7043] caif:cfcnfg_add_phy_layer(): Too many CAIF Link Layers (max 6)
[   55.248950][ T6994] kmemleak: 4 new suspected memory leaks (see /sys/kernel/debug/kmemleak)

int cfcnfg_add_phy_layer(..., struct cflayer *link_support, ...)
{
...
	/* CAIF protocol allow maximum 6 link-layers */
	for (i = 0; i < 7; i++) {
		phyid = (dev->ifindex + i) & 0x7;
		if (phyid == 0)
			continue;
		if (cfcnfg_get_phyinfo_rcu(cnfg, phyid) == NULL)
			goto got_phyid;
	}
	pr_warn("Too many CAIF Link Layers (max 6)\n");
	goto out;
...
	if (link_support != NULL) {
		link_support->id = phyid;
		layer_set_dn(frml, link_support);
		layer_set_up(link_support, frml);
		layer_set_dn(link_support, phy_layer);
		layer_set_up(phy_layer, link_support);
	}
...
}

As you can see, if cfcnfg_add_phy_layer fails before layer_set_*,
link_support becomes leaked.

So, in this series, I made cfcnfg_add_phy_layer()
return an int and added error handling code to prevent
leaking link_support pointer in caif_device_notify()
and cfusbl_device_notify() functions.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-03 15:05:07 -07:00
Pavel Skripkin
7f5d86669f net: caif: fix memory leak in cfusbl_device_notify
In case of caif_enroll_dev() fail, allocated
link_support won't be assigned to the corresponding
structure. So simply free allocated pointer in case
of error.

Fixes: 7ad65bf68d ("caif: Add support for CAIF over CDC NCM USB interface")
Cc: stable@vger.kernel.org
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-03 15:05:07 -07:00
Pavel Skripkin
b53558a950 net: caif: fix memory leak in caif_device_notify
In case of caif_enroll_dev() fail, allocated
link_support won't be assigned to the corresponding
structure. So simply free allocated pointer in case
of error

Fixes: 7c18d2205e ("caif: Restructure how link caif link layer enroll")
Cc: stable@vger.kernel.org
Reported-and-tested-by: syzbot+7ec324747ce876a29db6@syzkaller.appspotmail.com
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-03 15:05:07 -07:00
Pavel Skripkin
a2805dca51 net: caif: add proper error handling
caif_enroll_dev() can fail in some cases. Ingnoring
these cases can lead to memory leak due to not assigning
link_support pointer to anywhere.

Fixes: 7c18d2205e ("caif: Restructure how link caif link layer enroll")
Cc: stable@vger.kernel.org
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-03 15:05:06 -07:00
Pavel Skripkin
bce130e7f3 net: caif: added cfserl_release function
Added cfserl_release() function.

Cc: stable@vger.kernel.org
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-03 15:05:06 -07:00
David S. Miller
4189777ca8 Merge branch '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:

====================
This series contains updates to igb, igc, ixgbe, ixgbevf, i40e and ice
drivers.

Kurt Kanzenbach fixes XDP for igb when PTP is enabled by pulling the
timestamp and adjusting appropriate values prior to XDP operations.

Magnus adds missing exception tracing for XDP on igb, igc, ixgbe,
ixgbevf, i40e and ice drivers.

Maciej adds tracking of AF_XDP zero copy enabled queues to resolve an
issue with copy mode Tx for the ice driver.

Note: Patch 7 will conflict when merged with net-next. Please carry
these changes forward. IGC_XDP_TX and IGC_XDP_REDIRECT will need to be
changed to return to conform with the net-next changes. Let me know if
you have issues.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-03 15:02:55 -07:00
Dave Airlie
ff7a24a8fc Merge tag 'drm-intel-fixes-2021-06-03' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
drm/i915 fixes for v5.13-rc5:
- Revert conversion to io_mapping_map_user() which lead to BUG_ON()
- Fix check for error valued returns in a selftest

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87lf7rpcmp.fsf@intel.com
2021-06-04 07:29:26 +10:00
Dave Airlie
59dda702c9 One fix for a fb_defio breakage
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Merge tag 'drm-misc-fixes-2021-06-03' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

One fix for a fb_defio breakage

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

From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20210603085321.l5l6flslj632yqse@gilmour
2021-06-04 07:29:08 +10:00
David S. Miller
86b84066dc Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:

====================
pull-request: bpf 2021-06-02

The following pull-request contains BPF updates for your *net* tree.

We've added 2 non-merge commits during the last 7 day(s) which contain
a total of 4 files changed, 19 insertions(+), 24 deletions(-).

The main changes are:

1) Fix pahole BTF generation when ccache is used, from Javier Martinez Canillas.

2) Fix BPF lockdown hooks in bpf_probe_read_kernel{,_str}() helpers which caused
   a deadlock from bcc programs, triggered OOM killer from audit side and didn't
   work generally with SELinux policy rules due to pointing to wrong task struct,
   from Daniel Borkmann.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-03 14:17:42 -07:00
Pavel Skripkin
c47cc30499 net: kcm: fix memory leak in kcm_sendmsg
Syzbot reported memory leak in kcm_sendmsg()[1].
The problem was in non-freed frag_list in case of error.

In the while loop:

	if (head == skb)
		skb_shinfo(head)->frag_list = tskb;
	else
		skb->next = tskb;

frag_list filled with skbs, but nothing was freeing them.

backtrace:
  [<0000000094c02615>] __alloc_skb+0x5e/0x250 net/core/skbuff.c:198
  [<00000000e5386cbd>] alloc_skb include/linux/skbuff.h:1083 [inline]
  [<00000000e5386cbd>] kcm_sendmsg+0x3b6/0xa50 net/kcm/kcmsock.c:967 [1]
  [<00000000f1613a8a>] sock_sendmsg_nosec net/socket.c:652 [inline]
  [<00000000f1613a8a>] sock_sendmsg+0x4c/0x60 net/socket.c:672

Reported-and-tested-by: syzbot+b039f5699bd82e1fb011@syzkaller.appspotmail.com
Fixes: ab7ac4eb98 ("kcm: Kernel Connection Multiplexor module")
Cc: stable@vger.kernel.org
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-03 14:13:26 -07:00
Luiz Augusto von Dentz
1f14a620f3 Bluetooth: btusb: Fix failing to init controllers with operation firmware
Some firmware when operation don't may have broken versions leading to
error like the following:

[    6.176482] Bluetooth: hci0: Firmware revision 0.0 build 121 week 7 2021
[    6.177906] bluetooth hci0: Direct firmware load for intel/ibt-20-0-0.sfi failed with error -2
[    6.177910] Bluetooth: hci0: Failed to load Intel firmware file intel/ibt-20-0-0.sfi (-2)

Since we load the firmware file just to check if its version had changed
comparing to the one already loaded we can just skip since the firmware
is already operation.

Fixes: ac0565462e ("Bluetooth: btintel: Check firmware version before
download")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-06-03 14:02:17 -07:00
Marcel Holtmann
a83d958504 Bluetooth: Fix VIRTIO_ID_BT assigned number
It turned out that the VIRTIO_ID_* are not assigned in the virtio_ids.h
file in the upstream kernel. Picking the next free one was wrong and
there is a process that has been followed now.

See https://github.com/oasis-tcs/virtio-spec/issues/108 for details.

Fixes: afd2daa26c ("Bluetooth: Add support for virtio transport driver")
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2021-06-03 14:01:55 -07:00
zhang kai
261ba78cc3 sit: set name of device back to struct parms
addrconf_set_sit_dstaddr will use parms->name.

Signed-off-by: zhang kai <zhangkaiheb@126.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-03 13:57:36 -07:00
Jiapeng Chong
a8db57c1d2 rtnetlink: Fix missing error code in rtnl_bridge_notify()
The error code is missing in this code scenario, add the error code
'-EINVAL' to the return value 'err'.

Eliminate the follow smatch warning:

net/core/rtnetlink.c:4834 rtnl_bridge_notify() warn: missing error code
'err'.

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>
2021-06-03 13:56:27 -07:00
David S. Miller
59717f3931 Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
Pablo Neira Ayuso says:

====================
Netfilter fixes for net

The following patchset contains Netfilter fixes for net:

1) Do not allow to add conntrack helper extension for confirmed
   conntracks in the nf_tables ct expectation support.

2) Fix bogus EBUSY in nfnetlink_cthelper when NFCTH_PRIV_DATA_LEN
   is passed on userspace helper updates.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-03 13:49:08 -07:00
Lee Jones
de2646f34a i2c: tegra-bpmp: Demote kernel-doc abuses
Fixes the following W=1 kernel build warning(s):

 drivers/i2c/busses/i2c-tegra-bpmp.c:86: warning: Function parameter or member 'i2c' not described in 'tegra_bpmp_serialize_i2c_msg'
 drivers/i2c/busses/i2c-tegra-bpmp.c:86: warning: Function parameter or member 'request' not described in 'tegra_bpmp_serialize_i2c_msg'
 drivers/i2c/busses/i2c-tegra-bpmp.c:86: warning: Function parameter or member 'msgs' not described in 'tegra_bpmp_serialize_i2c_msg'
 drivers/i2c/busses/i2c-tegra-bpmp.c:86: warning: Function parameter or member 'num' not described in 'tegra_bpmp_serialize_i2c_msg'
 drivers/i2c/busses/i2c-tegra-bpmp.c:86: warning: expecting prototype for The serialized I2C format is simply the following(). Prototype was for tegra_bpmp_serialize_i2c_msg() instead
 drivers/i2c/busses/i2c-tegra-bpmp.c:130: warning: Function parameter or member 'i2c' not described in 'tegra_bpmp_i2c_deserialize'
 drivers/i2c/busses/i2c-tegra-bpmp.c:130: warning: Function parameter or member 'response' not described in 'tegra_bpmp_i2c_deserialize'
 drivers/i2c/busses/i2c-tegra-bpmp.c:130: warning: Function parameter or member 'msgs' not described in 'tegra_bpmp_i2c_deserialize'
 drivers/i2c/busses/i2c-tegra-bpmp.c:130: warning: Function parameter or member 'num' not described in 'tegra_bpmp_i2c_deserialize'
 drivers/i2c/busses/i2c-tegra-bpmp.c:130: warning: expecting prototype for The data in the BPMP(). Prototype was for tegra_bpmp_i2c_deserialize() instead

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2021-06-03 22:31:42 +02:00
Lee Jones
a4931dcab1 i2c: altera: Fix formatting issue in struct and demote unworthy kernel-doc headers
Fixes the following W=1 kernel build warning(s):

 drivers/i2c/busses/i2c-altera.c:74: warning: cannot understand function prototype: 'struct altr_i2c_dev '
 drivers/i2c/busses/i2c-altera.c:180: warning: Function parameter or member 'idev' not described in 'altr_i2c_transfer'
 drivers/i2c/busses/i2c-altera.c:180: warning: Function parameter or member 'data' not described in 'altr_i2c_transfer'
 drivers/i2c/busses/i2c-altera.c:193: warning: Function parameter or member 'idev' not described in 'altr_i2c_empty_rx_fifo'
 drivers/i2c/busses/i2c-altera.c:209: warning: Function parameter or member 'idev' not described in 'altr_i2c_fill_tx_fifo'

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2021-06-03 22:25:24 +02:00
Linus Torvalds
f88cd3fb9d VFIO fixes for v5.13-rc5
- Fix error path return value (Zhen Lei)
 
  - Add vfio-pci CONFIG_MMU dependency (Randy Dunlap)
 
  - Replace open coding with struct_size() (Gustavo A. R. Silva)
 
  - Fix sample driver error path (Wei Yongjun)
 
  - Fix vfio-platform error path module_put() (Max Gurtovoy)
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Merge tag 'vfio-v5.13-rc5' of git://github.com/awilliam/linux-vfio

Pull VFIO fixes from Alex Williamson:

 - Fix error path return value (Zhen Lei)

 - Add vfio-pci CONFIG_MMU dependency (Randy Dunlap)

 - Replace open coding with struct_size() (Gustavo A. R. Silva)

 - Fix sample driver error path (Wei Yongjun)

 - Fix vfio-platform error path module_put() (Max Gurtovoy)

* tag 'vfio-v5.13-rc5' of git://github.com/awilliam/linux-vfio:
  vfio/platform: fix module_put call in error flow
  samples: vfio-mdev: fix error handing in mdpy_fb_probe()
  vfio/iommu_type1: Use struct_size() for kzalloc()
  vfio/pci: zap_vma_ptes() needs MMU
  vfio/pci: Fix error return code in vfio_ecap_init()
2021-06-03 11:52:24 -07:00
Linus Torvalds
143d28dcf2 block-5.13-2021-06-03
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Merge tag 'block-5.13-2021-06-03' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:
 "NVMe fixes from Christoph:

   - Fix corruption in RDMA in-capsule SGLs (Sagi Grimberg)

   - nvme-loop reset fixes (Hannes Reinecke)

   - nvmet fix for freeing unallocated p2pmem (Max Gurtovoy)"

* tag 'block-5.13-2021-06-03' of git://git.kernel.dk/linux-block:
  nvmet: fix freeing unallocated p2pmem
  nvme-loop: do not warn for deleted controllers during reset
  nvme-loop: check for NVME_LOOP_Q_LIVE in nvme_loop_destroy_admin_queue()
  nvme-loop: clear NVME_LOOP_Q_LIVE when nvme_loop_configure_admin_queue() fails
  nvme-loop: reset queue count to 1 in nvme_loop_destroy_io_queues()
  nvme-rdma: fix in-casule data send for chained sgls
2021-06-03 11:47:08 -07:00
Linus Torvalds
ec95502396 io_uring-5.13-2021-06-03
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Merge tag 'io_uring-5.13-2021-06-03' of git://git.kernel.dk/linux-block

Pull io_uring fix from Jens Axboe:
 "Just a single one-liner fix for an accounting regression in this
  release"

* tag 'io_uring-5.13-2021-06-03' of git://git.kernel.dk/linux-block:
  io_uring: fix misaccounting fix buf pinned pages
2021-06-03 11:41:00 -07:00
Linus Torvalds
fd2ff2774e for-5.13-rc4-tag
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Merge tag 'for-5.13-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs fixes from David Sterba:
 "Error handling improvements, caught by error injection:

   - handle errors during checksum deletion

   - set error on mapping when ordered extent io cannot be finished

   - inode link count fixup in tree-log

   - missing return value checks for inode updates in tree-log

   - abort transaction in rename exchange if adding second reference
     fails

  Fixes:

   - fix fsync failure after writes to prealloc extents

   - fix deadlock when cloning inline extents and low on available space

   - fix compressed writes that cross stripe boundary"

* tag 'for-5.13-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  MAINTAINERS: add btrfs IRC link
  btrfs: fix deadlock when cloning inline extents and low on available space
  btrfs: fix fsync failure and transaction abort after writes to prealloc extents
  btrfs: abort in rename_exchange if we fail to insert the second ref
  btrfs: check error value from btrfs_update_inode in tree log
  btrfs: fixup error handling in fixup_inode_link_counts
  btrfs: mark ordered extent and inode with error if we fail to finish
  btrfs: return errors from btrfs_del_csums in cleanup_ref_head
  btrfs: fix error handling in btrfs_del_csums
  btrfs: fix compressed writes that cross stripe boundary
2021-06-03 11:37:14 -07:00
Axel Lin
cb2381cbec
regulator: rt4801: Fix NULL pointer dereference if priv->enable_gpios is NULL
devm_gpiod_get_array_optional may return NULL if no GPIO was assigned.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Link: https://lore.kernel.org/r/20210603094944.1114156-1-axel.lin@ingics.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-06-03 19:35:48 +01:00