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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
"Two driver fixes:
- a fix for zinitix touchscreen to properly report contacts
- a fix for aiptek tablet driver to be more resilient to devices with
incorrect descriptors"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: aiptek - properly check endpoint type
Input: zinitix - do not report shadow fingers
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Syzbot reported warning in usb_submit_urb() which is caused by wrong
endpoint type. There was a check for the number of endpoints, but not
for the type of endpoint.
Fix it by replacing old desc.bNumEndpoints check with
usb_find_common_endpoints() helper for finding endpoints
Fail log:
usb 5-1: BOGUS urb xfer, pipe 1 != type 3
WARNING: CPU: 2 PID: 48 at drivers/usb/core/urb.c:502 usb_submit_urb+0xed2/0x18a0 drivers/usb/core/urb.c:502
Modules linked in:
CPU: 2 PID: 48 Comm: kworker/2:2 Not tainted 5.17.0-rc6-syzkaller-00226-g07ebd38a0da2 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
Workqueue: usb_hub_wq hub_event
...
Call Trace:
<TASK>
aiptek_open+0xd5/0x130 drivers/input/tablet/aiptek.c:830
input_open_device+0x1bb/0x320 drivers/input/input.c:629
kbd_connect+0xfe/0x160 drivers/tty/vt/keyboard.c:1593
Fixes: 8e20cf2bce12 ("Input: aiptek - fix crash on detecting device without endpoints")
Reported-and-tested-by: syzbot+75cccf2b7da87fb6f84b@syzkaller.appspotmail.com
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Link: https://lore.kernel.org/r/20220308194328.26220-1-paskripkin@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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I observed the following problem with the BT404 touch pad
running the Phosh UI:
When e.g. typing on the virtual keyboard pressing "g" would
produce "ggg".
After some analysis it turns out the firmware reports that three
fingers hit that coordinate at the same time, finger 0, 2 and
4 (of the five available 0,1,2,3,4).
DOWN
Zinitix-TS 3-0020: finger 0 down (246, 395)
Zinitix-TS 3-0020: finger 1 up (0, 0)
Zinitix-TS 3-0020: finger 2 down (246, 395)
Zinitix-TS 3-0020: finger 3 up (0, 0)
Zinitix-TS 3-0020: finger 4 down (246, 395)
UP
Zinitix-TS 3-0020: finger 0 up (246, 395)
Zinitix-TS 3-0020: finger 2 up (246, 395)
Zinitix-TS 3-0020: finger 4 up (246, 395)
This is one touch and release: i.e. this is all reported on
touch (down) and release.
There is a field in the struct touch_event called finger_cnt
which is actually a bitmask of the fingers active in the
event.
Rename this field finger_mask as this matches the use contents
better, then use for_each_set_bit() to iterate over just the
fingers that are actally active.
Factor out a finger reporting function zinitix_report_fingers()
to handle all fingers.
Also be more careful in reporting finger down/up: we were
reporting every event with input_mt_report_slot_state(..., true);
but this should only be reported on finger down or move,
not on finger up, so also add code to check p->sub_status
to see what is happening and report correctly.
After this my Zinitix BT404 touchscreen report fingers
flawlessly.
The vendor drive I have notably does not use the "finger_cnt"
and contains obviously incorrect code like this:
if (touch_dev->touch_info.finger_cnt > MAX_SUPPORTED_FINGER_NUM)
touch_dev->touch_info.finger_cnt = MAX_SUPPORTED_FINGER_NUM;
As MAX_SUPPORTED_FINGER_NUM is an ordinal and the field is
a bitmask this seems quite confused.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20220228233017.2270599-1-linus.walleij@linaro.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Two small(ish) fixes, both in drivers"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: fnic: Finish scsi_cmnd before dropping the spinlock
scsi: mpt3sas: Page fault in reply q processing
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When aborting a SCSI command through fnic, there is a race with the fnic
interrupt handler which can result in the SCSI command and its request
being completed twice. If the interrupt handler claims the command by
setting CMD_SP to NULL first, the abort handler assumes the interrupt
handler has completed the command and returns SUCCESS, causing the request
for the scsi_cmnd to be re-queued.
But the interrupt handler may not have finished the command yet. After it
drops the spinlock protecting CMD_SP, it does memory cleanup before finally
calling scsi_done() to complete the scsi_cmnd. If the call to scsi_done
occurs after the abort handler finishes and re-queues the request, the
completion of the scsi_cmnd will advance and try to double complete a
request already queued for retry.
This patch fixes the issue by moving scsi_done() and any other use of
scsi_cmnd to before the spinlock is released by the interrupt handler.
Link: https://lore.kernel.org/r/20220311184359.2345319-1-djeffery@redhat.com
Reviewed-by: Laurence Oberman <loberman@redhat.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: David Jeffery <djeffery@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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A page fault was encountered in mpt3sas on a LUN reset error path:
[ 145.763216] mpt3sas_cm1: Task abort tm failed: handle(0x0002),timeout(30) tr_method(0x0) smid(3) msix_index(0)
[ 145.778932] scsi 1:0:0:0: task abort: FAILED scmd(0x0000000024ba29a2)
[ 145.817307] scsi 1:0:0:0: attempting device reset! scmd(0x0000000024ba29a2)
[ 145.827253] scsi 1:0:0:0: [sg1] tag#2 CDB: Receive Diagnostic 1c 01 01 ff fc 00
[ 145.837617] scsi target1:0:0: handle(0x0002), sas_address(0x500605b0000272b9), phy(0)
[ 145.848598] scsi target1:0:0: enclosure logical id(0x500605b0000272b8), slot(0)
[ 149.858378] mpt3sas_cm1: Poll ReplyDescriptor queues for completion of smid(0), task_type(0x05), handle(0x0002)
[ 149.875202] BUG: unable to handle page fault for address: 00000007fffc445d
[ 149.885617] #PF: supervisor read access in kernel mode
[ 149.894346] #PF: error_code(0x0000) - not-present page
[ 149.903123] PGD 0 P4D 0
[ 149.909387] Oops: 0000 [#1] PREEMPT SMP NOPTI
[ 149.917417] CPU: 24 PID: 3512 Comm: scsi_eh_1 Kdump: loaded Tainted: G S O 5.10.89-altav-1 #1
[ 149.934327] Hardware name: DDN 200NVX2 /200NVX2-MB , BIOS ATHG2.2.02.01 09/10/2021
[ 149.951871] RIP: 0010:_base_process_reply_queue+0x4b/0x900 [mpt3sas]
[ 149.961889] Code: 0f 84 22 02 00 00 8d 48 01 49 89 fd 48 8d 57 38 f0 0f b1 4f 38 0f 85 d8 01 00 00 49 8b 45 10 45 31 e4 41 8b 55 0c 48 8d 1c d0 <0f> b6 03 83 e0 0f 3c 0f 0f 85 a2 00 00 00 e9 e6 01 00 00 0f b7 ee
[ 149.991952] RSP: 0018:ffffc9000f1ebcb8 EFLAGS: 00010246
[ 150.000937] RAX: 0000000000000055 RBX: 00000007fffc445d RCX: 000000002548f071
[ 150.011841] RDX: 00000000ffff8881 RSI: 0000000000000001 RDI: ffff888125ed50d8
[ 150.022670] RBP: 0000000000000000 R08: 0000000000000000 R09: c0000000ffff7fff
[ 150.033445] R10: ffffc9000f1ebb68 R11: ffffc9000f1ebb60 R12: 0000000000000000
[ 150.044204] R13: ffff888125ed50d8 R14: 0000000000000080 R15: 34cdc00034cdea80
[ 150.054963] FS: 0000000000000000(0000) GS:ffff88dfaf200000(0000) knlGS:0000000000000000
[ 150.066715] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 150.076078] CR2: 00000007fffc445d CR3: 000000012448a006 CR4: 0000000000770ee0
[ 150.086887] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 150.097670] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 150.108323] PKRU: 55555554
[ 150.114690] Call Trace:
[ 150.120497] ? printk+0x48/0x4a
[ 150.127049] mpt3sas_scsih_issue_tm.cold.114+0x2e/0x2b3 [mpt3sas]
[ 150.136453] mpt3sas_scsih_issue_locked_tm+0x86/0xb0 [mpt3sas]
[ 150.145759] scsih_dev_reset+0xea/0x300 [mpt3sas]
[ 150.153891] scsi_eh_ready_devs+0x541/0x9e0 [scsi_mod]
[ 150.162206] ? __scsi_host_match+0x20/0x20 [scsi_mod]
[ 150.170406] ? scsi_try_target_reset+0x90/0x90 [scsi_mod]
[ 150.178925] ? blk_mq_tagset_busy_iter+0x45/0x60
[ 150.186638] ? scsi_try_target_reset+0x90/0x90 [scsi_mod]
[ 150.195087] scsi_error_handler+0x3a5/0x4a0 [scsi_mod]
[ 150.203206] ? __schedule+0x1e9/0x610
[ 150.209783] ? scsi_eh_get_sense+0x210/0x210 [scsi_mod]
[ 150.217924] kthread+0x12e/0x150
[ 150.224041] ? kthread_worker_fn+0x130/0x130
[ 150.231206] ret_from_fork+0x1f/0x30
This is caused by mpt3sas_base_sync_reply_irqs() using an invalid reply_q
pointer outside of the list_for_each_entry() loop. At the end of the full
list traversal the pointer is invalid.
Move the _base_process_reply_queue() call inside of the loop.
Link: https://lore.kernel.org/r/d625deae-a958-0ace-2ba3-0888dd0a415b@ddn.com
Fixes: 711a923c14d9 ("scsi: mpt3sas: Postprocessing of target and LUN reset")
Cc: stable@vger.kernel.org
Acked-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Matt Lupfer <mlupfer@ddn.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fix from Greg KH:
"Here is a single driver fix for 5.17-final that has been submitted
many times but I somehow missed it in my patch queue:
- fix for counter sysfs code for reported problem
This has been in linux-next all week with no reported issues"
* tag 'char-misc-5.17-final' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
counter: Stop using dev_get_drvdata() to get the counter device
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dev_get_drvdata() returns NULL since commit b56346ddbd82 ("counter: Use
container_of instead of drvdata to track counter_device") which wrongly
claimed there were no users of drvdata. Convert to container_of() to
fix a null pointer dereference.
Reported-by: Oleksij Rempel <o.rempel@pengutronix.de>
Fixes: b56346ddbd82 ("counter: Use container_of instead of drvdata to track counter_device")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Tested-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Link: https://lore.kernel.org/all/20220204082556.370348-1-u.kleine-koenig@pengutronix.de/
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Link: https://lore.kernel.org/r/4a14311a3b935b62b33e665a97ecaaf2f078228a.1646957732.git.vilhelm.gray@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small remaining USB fixes for 5.17-final.
They include:
- two USB gadget driver fixes for reported problems
- usbtmc driver fix for syzbot found issues
- musb patch partial revert to resolve a reported regression.
All of these have been in linux-next this week with no reported
problems"
* tag 'usb-5.17-final' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: gadget: Fix use-after-free bug by not setting udc->dev.driver
usb: usbtmc: Fix bug in pipe direction for control transfers
partially Revert "usb: musb: Set the DT node on the child device"
usb: gadget: rndis: prevent integer overflow in rndis_set_response()
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The syzbot fuzzer found a use-after-free bug:
BUG: KASAN: use-after-free in dev_uevent+0x712/0x780 drivers/base/core.c:2320
Read of size 8 at addr ffff88802b934098 by task udevd/3689
CPU: 2 PID: 3689 Comm: udevd Not tainted 5.17.0-rc4-syzkaller-00229-g4f12b742eb2b #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
Call Trace:
<TASK>
__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/0x303 mm/kasan/report.c:255
__kasan_report mm/kasan/report.c:442 [inline]
kasan_report.cold+0x83/0xdf mm/kasan/report.c:459
dev_uevent+0x712/0x780 drivers/base/core.c:2320
uevent_show+0x1b8/0x380 drivers/base/core.c:2391
dev_attr_show+0x4b/0x90 drivers/base/core.c:2094
Although the bug manifested in the driver core, the real cause was a
race with the gadget core. dev_uevent() does:
if (dev->driver)
add_uevent_var(env, "DRIVER=%s", dev->driver->name);
and between the test and the dereference of dev->driver, the gadget
core sets dev->driver to NULL.
The race wouldn't occur if the gadget core registered its devices on
a real bus, using the standard synchronization techniques of the
driver core. However, it's not necessary to make such a large change
in order to fix this bug; all we need to do is make sure that
udc->dev.driver is always NULL.
In fact, there is no reason for udc->dev.driver ever to be set to
anything, let alone to the value it currently gets: the address of the
gadget's driver. After all, a gadget driver only knows how to manage
a gadget, not how to manage a UDC.
This patch simply removes the statements in the gadget core that touch
udc->dev.driver.
Fixes: 2ccea03a8f7e ("usb: gadget: introduce UDC Class")
CC: <stable@vger.kernel.org>
Reported-and-tested-by: syzbot+348b571beb5eeb70a582@syzkaller.appspotmail.com
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/YiQgukfFFbBnwJ/9@rowland.harvard.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The syzbot fuzzer reported a minor bug in the usbtmc driver:
usb 5-1: BOGUS control dir, pipe 80001e80 doesn't match bRequestType 0
WARNING: CPU: 0 PID: 3813 at drivers/usb/core/urb.c:412
usb_submit_urb+0x13a5/0x1970 drivers/usb/core/urb.c:410
Modules linked in:
CPU: 0 PID: 3813 Comm: syz-executor122 Not tainted
5.17.0-rc5-syzkaller-00306-g2293be58d6a1 #0
...
Call Trace:
<TASK>
usb_start_wait_urb+0x113/0x530 drivers/usb/core/message.c:58
usb_internal_control_msg drivers/usb/core/message.c:102 [inline]
usb_control_msg+0x2a5/0x4b0 drivers/usb/core/message.c:153
usbtmc_ioctl_request drivers/usb/class/usbtmc.c:1947 [inline]
The problem is that usbtmc_ioctl_request() uses usb_rcvctrlpipe() for
all of its transfers, whether they are in or out. It's easy to fix.
CC: <stable@vger.kernel.org>
Reported-and-tested-by: syzbot+a48e3d1a875240cab5de@syzkaller.appspotmail.com
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/YiEsYTPEE6lOCOA5@rowland.harvard.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reverts the omap2430 changes of
commit cf081d009c44 ("usb: musb: Set the DT node on the child device")
Since v5.17-rc1, musb is broken on the gta04 and openpandora devices
(omap3530/dm3730). BeagleBone Black (am335x) seems to work.
Symptoms of this bug are
a) main symptom
[ 21.336517] using random host ethernet address
[ 21.341430] using host ethernet address: 32:70:05:18:ff:78
[ 21.341461] using self ethernet address: 46:10:3a:b3:af:d9
[ 21.358184] usb0: HOST MAC 32:70:05:18:ff:78
[ 21.376678] usb0: MAC 46:10:3a:b3:af:d9
[ 21.388305] using random self ethernet address
[ 21.393371] using random host ethernet address
[ 21.398162] g_ether gadget: Ethernet Gadget, version: Memorial Day 2008
[ 21.421081] g_ether gadget: g_ether ready
[ 21.492156] musb-hdrc musb-hdrc.1.auto: Could not enable: -22
[ 21.691345] musb-hdrc musb-hdrc.1.auto: Could not enable: -22
[ 21.803192] musb-hdrc musb-hdrc.1.auto: Could not enable: -22
[ 21.819427] musb-hdrc musb-hdrc.1.auto: Could not enable: -22
[ 22.124450] musb-hdrc musb-hdrc.1.auto: Could not enable: -22
[ 22.168518] musb-hdrc musb-hdrc.1.auto: Could not enable: -22
[ 22.179382] musb-hdrc musb-hdrc.1.auto: Could not enable: -22
[ 23.213592] musb-hdrc musb-hdrc.1.auto: pm runtime get failed in musb_gadget_queue
[ 23.221832] musb-hdrc musb-hdrc.1.auto: Could not enable: -22
[ 23.227905] musb-hdrc musb-hdrc.1.auto: Could not enable: -22
[ 23.239440] musb-hdrc musb-hdrc.1.auto: Could not enable: -22
[ 23.401000] musb-hdrc musb-hdrc.1.auto: Could not enable: -22
[ 23.407073] musb-hdrc musb-hdrc.1.auto: Could not enable: -22
[ 23.426361] musb-hdrc musb-hdrc.1.auto: Could not enable: -22
[ 23.734466] musb-hdrc musb-hdrc.1.auto: pm runtime get failed in musb_gadget_queue
[ 23.742462] musb-hdrc musb-hdrc.1.auto: pm runtime get failed in musb_gadget_queue
[ 23.750396] musb-hdrc musb-hdrc.1.auto: pm runtime get failed in musb_gadget_queue
... (repeats with high frequency)
This stops if the USB cable is unplugged and restarts if it is plugged in again.
b) also found in the log
[ 6.498107] ------------[ cut here ]------------
[ 6.502960] WARNING: CPU: 0 PID: 868 at arch/arm/mach-omap2/omap_hwmod.c:1885 _enable+0x50/0x234
[ 6.512207] omap_hwmod: usb_otg_hs: enabled state can only be entered from initialized, idle, or disabled state
[ 6.522766] Modules linked in: omap2430(+) bmp280_i2c bmp280 itg3200 at24 tsc2007 leds_tca6507 bma180 hmc5843_i2c hmc5843_core industrialio_triggered_buffer lis3lv02d_i2c kfifo_buf lis3lv02d phy_twl4030_usb snd_soc_omap_mcbsp snd_soc_ti_sdma musb_hdrc snd_soc_twl4030 gnss_sirf twl4030_vibra twl4030_madc twl4030_charger twl4030_pwrbutton gnss industrialio ehci_omap omapdrm drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm drm_panel_orientation_quirks cec
[ 6.566436] CPU: 0 PID: 868 Comm: udevd Not tainted 5.16.0-rc5-letux+ #8251
[ 6.573730] Hardware name: Generic OMAP36xx (Flattened Device Tree)
[ 6.580322] [<c010ed30>] (unwind_backtrace) from [<c010a1d0>] (show_stack+0x10/0x14)
[ 6.588470] [<c010a1d0>] (show_stack) from [<c0897c14>] (dump_stack_lvl+0x40/0x4c)
[ 6.596405] [<c0897c14>] (dump_stack_lvl) from [<c0130cc4>] (__warn+0xb4/0xdc)
[ 6.604003] [<c0130cc4>] (__warn) from [<c0130d5c>] (warn_slowpath_fmt+0x70/0x9c)
[ 6.611846] [<c0130d5c>] (warn_slowpath_fmt) from [<c011f4d4>] (_enable+0x50/0x234)
[ 6.619903] [<c011f4d4>] (_enable) from [<c012081c>] (omap_hwmod_enable+0x28/0x40)
[ 6.627838] [<c012081c>] (omap_hwmod_enable) from [<c0120ff4>] (omap_device_enable+0x4c/0x78)
[ 6.636779] [<c0120ff4>] (omap_device_enable) from [<c0121030>] (_od_runtime_resume+0x10/0x3c)
[ 6.645812] [<c0121030>] (_od_runtime_resume) from [<c05c688c>] (__rpm_callback+0x3c/0xf4)
[ 6.654510] [<c05c688c>] (__rpm_callback) from [<c05c6994>] (rpm_callback+0x50/0x54)
[ 6.662628] [<c05c6994>] (rpm_callback) from [<c05c66b0>] (rpm_resume+0x448/0x4e4)
[ 6.670593] [<c05c66b0>] (rpm_resume) from [<c05c6784>] (__pm_runtime_resume+0x38/0x50)
[ 6.678985] [<c05c6784>] (__pm_runtime_resume) from [<bf14ab20>] (musb_init_controller+0x350/0xa5c [musb_hdrc])
[ 6.689727] [<bf14ab20>] (musb_init_controller [musb_hdrc]) from [<c05bccb8>] (platform_probe+0x58/0xa8)
[ 6.699737] [<c05bccb8>] (platform_probe) from [<c05badf0>] (really_probe+0x170/0x2fc)
[ 6.708068] [<c05badf0>] (really_probe) from [<c05bb040>] (__driver_probe_device+0xc4/0xd8)
[ 6.716827] [<c05bb040>] (__driver_probe_device) from [<c05bb084>] (driver_probe_device+0x30/0xac)
[ 6.726226] [<c05bb084>] (driver_probe_device) from [<c05bb3d0>] (__device_attach_driver+0x94/0xb4)
[ 6.735717] [<c05bb3d0>] (__device_attach_driver) from [<c05b93f8>] (bus_for_each_drv+0xa0/0xb4)
[ 6.744934] [<c05b93f8>] (bus_for_each_drv) from [<c05bb248>] (__device_attach+0xc0/0x134)
[ 6.753631] [<c05bb248>] (__device_attach) from [<c05b9fcc>] (bus_probe_device+0x28/0x80)
[ 6.762207] [<c05b9fcc>] (bus_probe_device) from [<c05b7e40>] (device_add+0x5fc/0x788)
[ 6.770507] [<c05b7e40>] (device_add) from [<c05bd240>] (platform_device_add+0x70/0x1bc)
[ 6.779022] [<c05bd240>] (platform_device_add) from [<bf177830>] (omap2430_probe+0x260/0x2d4 [omap2430])
[ 6.789001] [<bf177830>] (omap2430_probe [omap2430]) from [<c05bccb8>] (platform_probe+0x58/0xa8)
[ 6.798309] [<c05bccb8>] (platform_probe) from [<c05badf0>] (really_probe+0x170/0x2fc)
[ 6.806610] [<c05badf0>] (really_probe) from [<c05bb040>] (__driver_probe_device+0xc4/0xd8)
[ 6.815399] [<c05bb040>] (__driver_probe_device) from [<c05bb084>] (driver_probe_device+0x30/0xac)
[ 6.824798] [<c05bb084>] (driver_probe_device) from [<c05bb4b4>] (__driver_attach+0xc4/0xd8)
[ 6.833648] [<c05bb4b4>] (__driver_attach) from [<c05b9308>] (bus_for_each_dev+0x64/0xa0)
[ 6.842224] [<c05b9308>] (bus_for_each_dev) from [<c05ba248>] (bus_add_driver+0x148/0x1a4)
[ 6.850891] [<c05ba248>] (bus_add_driver) from [<c05bbd1c>] (driver_register+0xb4/0xf8)
[ 6.859313] [<c05bbd1c>] (driver_register) from [<c0101f54>] (do_one_initcall+0x90/0x1c8)
[ 6.867889] [<c0101f54>] (do_one_initcall) from [<c0893968>] (do_init_module+0x4c/0x204)
[ 6.876373] [<c0893968>] (do_init_module) from [<c01b4c30>] (load_module+0x13f0/0x1928)
[ 6.884796] [<c01b4c30>] (load_module) from [<c01b53a0>] (sys_finit_module+0xa0/0xc0)
[ 6.893005] [<c01b53a0>] (sys_finit_module) from [<c0100080>] (ret_fast_syscall+0x0/0x54)
[ 6.901580] Exception stack(0xc2807fa8 to 0xc2807ff0)
[ 6.906890] 7fa0: b6e517d4 00052068 00000006 b6e509f8 00000000 b6e5131c
[ 6.915466] 7fc0: b6e517d4 00052068 cd718000 0000017b 00020000 00037f78 00050048 00063368
[ 6.924011] 7fe0: bed8fef0 bed8fee0 b6e4ac4b b6f55a42
[ 6.929321] ---[ end trace d715ff121b58763c ]---
c) git bisect result on testing for "musb-hdrc" in the console log:
cf081d009c447647c6b36aced535ca427dbebe72 is the first bad commit
commit cf081d009c447647c6b36aced535ca427dbebe72
Author: Rob Herring <robh@kernel.org>
Date: Wed Dec 15 17:07:57 2021 -0600
usb: musb: Set the DT node on the child device
The musb glue drivers just copy the glue resources to the musb child device.
Instead, set the musb child device's DT node pointer to the parent device's
node so that platform_get_irq_byname() can find the resources in the DT.
This removes the need for statically populating the IRQ resources from the
DT which has been deprecated for some time.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211215230756.2009115-3-robh@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/musb/am35x.c | 2 ++
drivers/usb/musb/da8xx.c | 2 ++
drivers/usb/musb/jz4740.c | 1 +
drivers/usb/musb/mediatek.c | 2 ++
drivers/usb/musb/omap2430.c | 1 +
drivers/usb/musb/ux500.c | 1 +
6 files changed, 9 insertions(+)
Reverting this patch makes musb work again as before.
Fixes: cf081d009c44 ("usb: musb: Set the DT node on the child device")
Cc: Rob Herring <robh@kernel.org>
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Link: https://lore.kernel.org/r/f62f5fc11f9ecae7e57f3fd66939e051bd3b11fc.1646744166.git.hns@goldelico.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If "BufOffset" is very large the "BufOffset + 8" operation can have an
integer overflow.
Cc: stable@kernel.org
Fixes: 38ea1eac7d88 ("usb: gadget: rndis: check size of RNDIS_MSG_SET command")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20220301080424.GA17208@kili
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Pull block fixes from Jens Axboe:
- Revert of a nvme target feature (Hannes)
- Fix a memory leak with rq-qos (Ming)
* tag 'block-5.17-2022-03-18' of git://git.kernel.dk/linux-block:
nvmet: revert "nvmet: make discovery NQN configurable"
block: release rq qos structures for queue without disk
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Revert commit 626851e9225d ("nvmet: make discovery NQN configurable");
the interface was deemed incorrect and will be replaced with a different
one.
Fixes: 626851e9225d ("nvmet: make discovery NQN configurable")
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Pull drm fixes from Dave Airlie:
"A few minor changes to finish things off, one mgag200 regression, imx
fix and couple of panel changes.
imx:
- Don't test bus flags in atomic check
mgag200:
- Fix PLL setup on some models
panel:
- Fix bpp settings on Innolux G070Y2-L01
- Fix DRM_PANEL_EDP Kconfig dependencies"
* tag 'drm-fixes-2022-03-18' of git://anongit.freedesktop.org/drm/drm:
drm: Don't make DRM_PANEL_BRIDGE dependent on DRM_KMS_HELPERS
drm/panel: simple: Fix Innolux G070Y2-L01 BPP settings
drm/imx: parallel-display: Remove bus flags check in imx_pd_bridge_atomic_check()
drm/mgag200: Fix PLL setup for g200wb and g200ew
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Fix a number of undefined references to drm_kms_helper.ko in
drm_dp_helper.ko:
arm-suse-linux-gnueabi-ld: drivers/gpu/drm/dp/drm_dp_mst_topology.o: in function `drm_dp_mst_duplicate_state':
drm_dp_mst_topology.c:(.text+0x2df0): undefined reference to `__drm_atomic_helper_private_obj_duplicate_state'
arm-suse-linux-gnueabi-ld: drivers/gpu/drm/dp/drm_dp_mst_topology.o: in function `drm_dp_delayed_destroy_work':
drm_dp_mst_topology.c:(.text+0x370c): undefined reference to `drm_kms_helper_hotplug_event'
arm-suse-linux-gnueabi-ld: drivers/gpu/drm/dp/drm_dp_mst_topology.o: in function `drm_dp_mst_up_req_work':
drm_dp_mst_topology.c:(.text+0x7938): undefined reference to `drm_kms_helper_hotplug_event'
arm-suse-linux-gnueabi-ld: drivers/gpu/drm/dp/drm_dp_mst_topology.o: in function `drm_dp_mst_link_probe_work':
drm_dp_mst_topology.c:(.text+0x82e0): undefined reference to `drm_kms_helper_hotplug_event'
This happens if panel-edp.ko has been configured with
DRM_PANEL_EDP=y
DRM_DP_HELPER=y
DRM_KMS_HELPER=m
which builds DP helpers into the kernel and KMS helpers sa a module.
Making DRM_PANEL_EDP select DRM_KMS_HELPER resolves this problem.
To avoid a resulting cyclic dependency with DRM_PANEL_BRIDGE, don't
make the latter depend on DRM_KMS_HELPER and fix the one DRM bridge
drivers that doesn't already select DRM_KMS_HELPER. As KMS helpers
cannot be selected directly by the user, config symbols should avoid
depending on it anyway.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: 3755d35ee1d2 ("drm/panel: Select DRM_DP_HELPER for DRM_PANEL_EDP")
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Tested-by: Brian Masney <bmasney@redhat.com>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Naresh Kamboju <naresh.kamboju@linaro.org>
Cc: Linux Kernel Functional Testing <lkft@linaro.org>
Cc: Lyude Paul <lyude@redhat.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: dri-devel@lists.freedesktop.org
Cc: Dave Airlie <airlied@redhat.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Link: https://patchwork.freedesktop.org/patch/478296/
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Backmerging drm/drm-fixes for commit 3755d35ee1d2 ("drm/panel: Select
DRM_DP_HELPER for DRM_PANEL_EDP").
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
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The Innolux G070Y2-L01 supports two modes of operation:
1) FRC=Low/NC ... MEDIA_BUS_FMT_RGB666_1X7X3_SPWG ... BPP=6
2) FRC=High ..... MEDIA_BUS_FMT_RGB888_1X7X4_SPWG ... BPP=8
Currently the panel description mixes both, BPP from 1) and bus
format from 2), which triggers a warning at panel-simple.c:615.
Pick the later, set bpp=8, fix the warning.
Fixes: a5d2ade627dca ("drm/panel: simple: Add support for Innolux G070Y2-L01")
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Christoph Fritz <chf.fritz@googlemail.com>
Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
Cc: Maxime Ripard <maxime@cerno.tech>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220220040718.532866-1-marex@denx.de
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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imx_pd_bridge_atomic_check()
If display timings were read from the devicetree using
of_get_display_timing() and pixelclk-active is defined
there, the flag DISPLAY_FLAGS_SYNC_POSEDGE/NEGEDGE is
automatically generated. Through the function
drm_bus_flags_from_videomode() e.g. called in the
panel-simple driver this flag got into the bus flags,
but then in imx_pd_bridge_atomic_check() the bus flag
check failed and will not initialize the display. The
original commit fe141cedc433 does not explain why this
check was introduced. So remove the bus flags check,
because it stops the initialization of the display with
valid bus flags.
Fixes: fe141cedc433 ("drm/imx: pd: Use bus format/flags provided by the bridge when available")
Signed-off-by: Christoph Niedermaier <cniedermaier@dh-electronics.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Boris Brezillon <boris.brezillon@collabora.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: linux-arm-kernel@lists.infradead.org
To: dri-devel@lists.freedesktop.org
Tested-by: Max Krummenacher <max.krummenacher@toradex.com>
Acked-by: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220201113643.4638-1-cniedermaier@dh-electronics.com
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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commit f86c3ed55920 ("drm/mgag200: Split PLL setup into compute and
update functions") introduced a regression for g200wb and g200ew.
The PLLs are not set up properly, and VGA screen stays
black, or displays "out of range" message.
MGA1064_WB_PIX_PLLC_N/M/P was mistakenly replaced with
MGA1064_PIX_PLLC_N/M/P which have different addresses.
Patch tested on a Dell T310 with g200wb
Fixes: f86c3ed55920 ("drm/mgag200: Split PLL setup into compute and update functions")
Cc: stable@vger.kernel.org
Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220308174321.225606-1-jfalempe@redhat.com
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter, ipsec, and wireless.
A few last minute revert / disable and fix patches came down from our
sub-trees. We're not waiting for any fixes at this point.
Current release - regressions:
- Revert "netfilter: nat: force port remap to prevent shadowing
well-known ports", restore working conntrack on asymmetric paths
- Revert "ath10k: drop beacon and probe response which leak from
other channel", restore working AP and mesh mode on QCA9984
- eth: intel: fix hang during reboot/shutdown
Current release - new code bugs:
- netfilter: nf_tables: disable register tracking, it needs more work
to cover all corner cases
Previous releases - regressions:
- ipv6: fix skb_over_panic in __ip6_append_data when (admin-only)
extension headers get specified
- esp6: fix ESP over TCP/UDP, interpret ipv6_skip_exthdr's return
value more selectively
- bnx2x: fix driver load failure when FW not present in initrd
Previous releases - always broken:
- vsock: stop destroying unrelated sockets in nested virtualization
- packet: fix slab-out-of-bounds access in packet_recvmsg()
Misc:
- add Paolo Abeni to networking maintainers!"
* tag 'net-5.17-final' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (26 commits)
iavf: Fix hang during reboot/shutdown
net: mscc: ocelot: fix backwards compatibility with single-chain tc-flower offload
net: bcmgenet: skip invalid partial checksums
bnx2x: fix built-in kernel driver load failure
net: phy: mscc: Add MODULE_FIRMWARE macros
net: dsa: Add missing of_node_put() in dsa_port_parse_of
net: handle ARPHRD_PIMREG in dev_is_mac_header_xmit()
Revert "ath10k: drop beacon and probe response which leak from other channel"
hv_netvsc: Add check for kvmalloc_array
iavf: Fix double free in iavf_reset_task
ice: destroy flow director filter mutex after releasing VSIs
ice: fix NULL pointer dereference in ice_update_vsi_tx_ring_stats()
Add Paolo Abeni to networking maintainers
atm: eni: Add check for dma_map_single
net/packet: fix slab-out-of-bounds access in packet_recvmsg()
net: mdio: mscc-miim: fix duplicate debugfs entry
net: phy: marvell: Fix invalid comparison in the resume and suspend functions
esp6: fix check on ipv6_skip_exthdr's return value
net: dsa: microchip: add spi_device_id tables
netfilter: nf_tables: disable register tracking
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Recent commit 974578017fc1 ("iavf: Add waiting so the port is
initialized in remove") adds a wait-loop at the beginning of
iavf_remove() to ensure that port initialization is finished
prior unregistering net device. This causes a regression
in reboot/shutdown scenario because in this case callback
iavf_shutdown() is called and this callback detaches the device,
makes it down if it is running and sets its state to __IAVF_REMOVE.
Later shutdown callback of associated PF driver (e.g. ice_shutdown)
is called. That callback calls among other things sriov_disable()
that calls indirectly iavf_remove() (see stack trace below).
As the adapter state is already __IAVF_REMOVE then the mentioned
loop is end-less and shutdown process hangs.
The patch fixes this by checking adapter's state at the beginning
of iavf_remove() and skips the rest of the function if the adapter
is already in remove state (shutdown is in progress).
Reproducer:
1. Create VF on PF driven by ice or i40e driver
2. Ensure that the VF is bound to iavf driver
3. Reboot
[52625.981294] sysrq: SysRq : Show Blocked State
[52625.988377] task:reboot state:D stack: 0 pid:17359 ppid: 1 f2
[52625.996732] Call Trace:
[52625.999187] __schedule+0x2d1/0x830
[52626.007400] schedule+0x35/0xa0
[52626.010545] schedule_hrtimeout_range_clock+0x83/0x100
[52626.020046] usleep_range+0x5b/0x80
[52626.023540] iavf_remove+0x63/0x5b0 [iavf]
[52626.027645] pci_device_remove+0x3b/0xc0
[52626.031572] device_release_driver_internal+0x103/0x1f0
[52626.036805] pci_stop_bus_device+0x72/0xa0
[52626.040904] pci_stop_and_remove_bus_device+0xe/0x20
[52626.045870] pci_iov_remove_virtfn+0xba/0x120
[52626.050232] sriov_disable+0x2f/0xe0
[52626.053813] ice_free_vfs+0x7c/0x340 [ice]
[52626.057946] ice_remove+0x220/0x240 [ice]
[52626.061967] ice_shutdown+0x16/0x50 [ice]
[52626.065987] pci_device_shutdown+0x34/0x60
[52626.070086] device_shutdown+0x165/0x1c5
[52626.074011] kernel_restart+0xe/0x30
[52626.077593] __do_sys_reboot+0x1d2/0x210
[52626.093815] do_syscall_64+0x5b/0x1a0
[52626.097483] entry_SYSCALL_64_after_hwframe+0x65/0xca
Fixes: 974578017fc1 ("iavf: Add waiting so the port is initialized in remove")
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Link: https://lore.kernel.org/r/20220317104524.2802848-1-ivecera@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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offload
ACL rules can be offloaded to VCAP IS2 either through chain 0, or, since
the blamed commit, through a chain index whose number encodes a specific
PAG (Policy Action Group) and lookup number.
The chain number is translated through ocelot_chain_to_pag() into a PAG,
and through ocelot_chain_to_lookup() into a lookup number.
The problem with the blamed commit is that the above 2 functions don't
have special treatment for chain 0. So ocelot_chain_to_pag(0) returns
filter->pag = 224, which is in fact -32, but the "pag" field is an u8.
So we end up programming the hardware with VCAP IS2 entries having a PAG
of 224. But the way in which the PAG works is that it defines a subset
of VCAP IS2 filters which should match on a packet. The default PAG is
0, and previous VCAP IS1 rules (which we offload using 'goto') can
modify it. So basically, we are installing filters with a PAG on which
no packet will ever match. This is the hardware equivalent of adding
filters to a chain which has no 'goto' to it.
Restore the previous functionality by making ACL filters offloaded to
chain 0 go to PAG 0 and lookup number 0. The choice of PAG is clearly
correct, but the choice of lookup number isn't "as before" (which was to
leave the lookup a "don't care"). However, lookup 0 should be fine,
since even though there are ACL actions (policers) which have a
requirement to be used in a specific lookup, that lookup is 0.
Fixes: 226e9cd82a96 ("net: mscc: ocelot: only install TCAM entries into a specific lookup and PAG")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20220316192117.2568261-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The RXCHK block will return a partial checksum of 0 if it encounters
a problem while receiving a packet. Since a 1's complement sum can
only produce this result if no bits are set in the received data
stream it is fair to treat it as an invalid partial checksum and
not pass it up the stack.
Fixes: 810155397890 ("net: bcmgenet: use CHECKSUM_COMPLETE for NETIF_F_RXCSUM")
Signed-off-by: Doug Berger <opendmb@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20220317012812.1313196-1-opendmb@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit b7a49f73059f ("bnx2x: Utilize firmware 7.13.21.0")
added request_firmware() logic in probe() which caused
load failure when firmware file is not present in initrd (below),
as access to firmware file is not feasible during probe.
Direct firmware load for bnx2x/bnx2x-e2-7.13.15.0.fw failed with error -2
Direct firmware load for bnx2x/bnx2x-e2-7.13.21.0.fw failed with error -2
This patch fixes this issue by -
1. Removing request_firmware() logic from the probe()
such that .ndo_open() handle it as it used to handle
it earlier
2. Given request_firmware() is removed from probe(), so
driver has to relax FW version comparisons a bit against
the already loaded FW version (by some other PFs of same
adapter) to allow different compatible/close enough FWs with which
multiple PFs may run with (in different environments), as the
given PF who is in probe flow has no idea now with which firmware
file version it is going to initialize the device in ndo_open()
Link: https://lore.kernel.org/all/46f2d9d9-ae7f-b332-ddeb-b59802be2bab@molgen.mpg.de/
Reported-by: Paul Menzel <pmenzel@molgen.mpg.de>
Tested-by: Paul Menzel <pmenzel@molgen.mpg.de>
Fixes: b7a49f73059f ("bnx2x: Utilize firmware 7.13.21.0")
Signed-off-by: Manish Chopra <manishc@marvell.com>
Signed-off-by: Ariel Elior <aelior@marvell.com>
Link: https://lore.kernel.org/r/20220316214613.6884-1-manishc@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The driver requires firmware so define MODULE_FIRMWARE so that modinfo
provides the details.
Fixes: fa164e40c53b ("net: phy: mscc: split the driver into separate files")
Signed-off-by: Juerg Haefliger <juergh@canonical.com>
Link: https://lore.kernel.org/r/20220316151835.88765-1-juergh@canonical.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Kalle Valo says:
====================
wireless fixes for v5.17
Third set of fixes for v5.17. We have only one revert to fix an ath10k
regression.
* tag 'wireless-2022-03-16' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
Revert "ath10k: drop beacon and probe response which leak from other channel"
====================
Link: https://lore.kernel.org/r/20220316130249.B5225C340EC@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This reverts commit 3bf2537ec2e33310b431b53fd84be8833736c256.
I was reported privately that this commit breaks AP and mesh mode on QCA9984
(firmware 10.4-3.9.0.2-00156). So revert the commit to fix the regression.
There was a conflict due to cfg80211 API changes but that was easy to fix.
Fixes: 3bf2537ec2e3 ("ath10k: drop beacon and probe response which leak from other channel")
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220315155455.20446-1-kvalo@kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
====================
Intel Wired LAN Driver Updates 2022-03-15
This series contains updates to ice and iavf drivers.
Maciej adjusts null check logic on Tx ring to prevent possible NULL
pointer dereference for ice.
Sudheer moves destruction of Flow Director lock as it was being accessed
after destruction for ice.
Przemyslaw removes an excess mutex unlock as it was being double
unlocked for iavf.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix double free possibility in iavf_disable_vf, as crit_lock is
freed in caller, iavf_reset_task. Add kernel-doc for iavf_disable_vf.
Remove mutex_unlock in iavf_disable_vf.
Without this patch there is double free scenario, when calling
iavf_reset_task.
Fixes: e85ff9c631e1 ("iavf: Fix deadlock in iavf_reset_task")
Signed-off-by: Przemyslaw Patynowski <przemyslawx.patynowski@intel.com>
Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mateusz Palczewski <mateusz.palczewski@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Currently fdir_fltr_lock is accessed in ice_vsi_release_all() function
after it is destroyed. Instead destroy mutex after ice_vsi_release_all.
Fixes: 40319796b732 ("ice: Add flow director support for channel mode")
Signed-off-by: Sudheer Mogilappagari <sudheer.mogilappagari@intel.com>
Tested-by: Bharathi Sreenivas <bharathi.sreenivas@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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It is possible to do NULL pointer dereference in routine that updates
Tx ring stats. Currently only stats and bytes are updated when ring
pointer is valid, but later on ring is accessed to propagate gathered Tx
stats onto VSI stats.
Change the existing logic to move to next ring when ring is NULL.
Fixes: e72bba21355d ("ice: split ice_ring onto Tx/Rx separate structs")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Acked-by: Alexander Lobakin <alexandr.lobakin@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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As the potential failure of the kvmalloc_array(),
it should be better to check and restore the 'data'
if fails in order to avoid the dereference of the
NULL pointer.
Fixes: 6ae746711263 ("hv_netvsc: Add per-cpu ethtool stats for netvsc")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20220314020125.2365084-1-jiasheng@iscas.ac.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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As the potential failure of the dma_map_single(),
it should be better to check it and return error
if fails.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This driver can have up to two regmaps. If the second one is registered
its debugfs entry will have the same name as the first one and the
following error will be printed:
[ 3.833521] debugfs: Directory 'e200413c.mdio' with parent 'regmap' already present!
Give the second regmap a name to avoid this.
Fixes: a27a76282837 ("net: mdio: mscc-miim: convert to a regmap implementation")
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20220312224140.4173930-1-michael@walle.cc
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This bug resulted in only the current mode being resumed and suspended when
the PHY supported both fiber and copper modes and when the PHY only supported
copper mode the fiber mode would incorrectly be attempted to be resumed and
suspended.
Fixes: 3758be3dc162 ("Marvell phy: add functions to suspend and resume both interfaces: fiber and copper links.")
Signed-off-by: Kurt Cancemi <kurt@x64architecture.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20220312201512.326047-1-kurt@x64architecture.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add spi_device_id tables to avoid logs like "SPI driver ksz9477-switch
has no spi_device_id".
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When iterating over sockets using vsock_for_each_connected_socket, make
sure that a transport filters out sockets that don't belong to the
transport.
There actually was an issue caused by this; in a nested VM
configuration, destroying the nested VM (which often involves the
closing of /dev/vhost-vsock if there was h2g connections to the nested
VM) kills not only the h2g connections, but also all existing g2h
connections to the (outmost) host which are totally unrelated.
Tested: Executed the following steps on Cuttlefish (Android running on a
VM) [1]: (1) Enter into an `adb shell` session - to have a g2h
connection inside the VM, (2) open and then close /dev/vhost-vsock by
`exec 3< /dev/vhost-vsock && exec 3<&-`, (3) observe that the adb
session is not reset.
[1] https://android.googlesource.com/device/google/cuttlefish/
Fixes: c0cfa2d8a788 ("vsock: add multi-transports support")
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jiyong Park <jiyong@google.com>
Link: https://lore.kernel.org/r/20220311020017.1509316-1-jiyong@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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alx_reinit has a lockdep assertion that the alx->mtx mutex must be held.
alx_reinit is called from two places: alx_reset and alx_change_mtu.
alx_reset does acquire alx->mtx before calling alx_reinit.
alx_change_mtu does not acquire this mutex, nor do its callers or any
path towards alx_change_mtu.
Acquire the mutex in alx_change_mtu.
The issue was introduced when the fine-grained locking was introduced
to the code to replace the RTNL. The same commit also introduced the
lockdep assertion.
Fixes: 4a5fe57e7751 ("alx: use fine-grained locking instead of RTNL")
Signed-off-by: Niels Dossche <dossche.niels@gmail.com>
Link: https://lore.kernel.org/r/20220310232707.44251-1-dossche.niels@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Revert recent commit that caused multiple systems to misbehave due to
firmware issues"
* tag 'acpi-5.17-rc9' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "ACPI: scan: Do not add device IDs from _CID if _HID is not valid"
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Revert commit e38f9ff63e6d ("ACPI: scan: Do not add device IDs from _CID
if _HID is not valid"), because it has introduced regressions on
multiple systems, even though it only has effect on clearly invalid
firmware.
Reported-by: Pierre-Louis Bossart <notifications@github.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fix from Ard Biesheuvel:
"Avoid spurious warnings about unknown boot parameters"
* tag 'efi-urgent-for-v5.17-3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi: fix return value of __setup handlers
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When "dump_apple_properties" is used on the kernel boot command line,
it causes an Unknown parameter message and the string is added to init's
argument strings:
Unknown kernel command line parameters "dump_apple_properties
BOOT_IMAGE=/boot/bzImage-517rc6 efivar_ssdt=newcpu_ssdt", will be
passed to user space.
Run /sbin/init as init process
with arguments:
/sbin/init
dump_apple_properties
with environment:
HOME=/
TERM=linux
BOOT_IMAGE=/boot/bzImage-517rc6
efivar_ssdt=newcpu_ssdt
Similarly when "efivar_ssdt=somestring" is used, it is added to the
Unknown parameter message and to init's environment strings, polluting
them (see examples above).
Change the return value of the __setup functions to 1 to indicate
that the __setup options have been handled.
Fixes: 58c5475aba67 ("x86/efi: Retrieve and assign Apple device properties")
Fixes: 475fb4e8b2f4 ("efi / ACPI: load SSTDs from EFI variables")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: Igor Zhbanov <i.zhbanov@omprussia.ru>
Link: lore.kernel.org/r/64644a2f-4a20-bab3-1e15-3b2cdd0defe3@omprussia.ru
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: linux-efi@vger.kernel.org
Cc: Lukas Wunner <lukas@wunner.de>
Cc: Octavian Purdila <octavian.purdila@intel.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Link: https://lore.kernel.org/r/20220301041851.12459-1-rdunlap@infradead.org
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fix from Herbert Xu:
"This fixes a bug where qcom-rng can return a buffer that is not
completely filled with random data"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: qcom-rng - ensure buffer for generate is completely filled
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The generate function in struct rng_alg expects that the destination
buffer is completely filled if the function returns 0. qcom_rng_read()
can run into a situation where the buffer is partially filled with
randomness and the remaining part of the buffer is zeroed since
qcom_rng_generate() doesn't check the return value. This issue can
be reproduced by running the following from libkcapi:
kcapi-rng -b 9000000 > OUTFILE
The generated OUTFILE will have three huge sections that contain all
zeros, and this is caused by the code where the test
'val & PRNG_STATUS_DATA_AVAIL' fails.
Let's fix this issue by ensuring that qcom_rng_read() always returns
with a full buffer if the function returns success. Let's also have
qcom_rng_generate() return the correct value.
Here's some statistics from the ent project
(https://www.fourmilab.ch/random/) that shows information about the
quality of the generated numbers:
$ ent -c qcom-random-before
Value Char Occurrences Fraction
0 606748 0.067416
1 33104 0.003678
2 33001 0.003667
...
253 � 32883 0.003654
254 � 33035 0.003671
255 � 33239 0.003693
Total: 9000000 1.000000
Entropy = 7.811590 bits per byte.
Optimum compression would reduce the size
of this 9000000 byte file by 2 percent.
Chi square distribution for 9000000 samples is 9329962.81, and
randomly would exceed this value less than 0.01 percent of the
times.
Arithmetic mean value of data bytes is 119.3731 (127.5 = random).
Monte Carlo value for Pi is 3.197293333 (error 1.77 percent).
Serial correlation coefficient is 0.159130 (totally uncorrelated =
0.0).
Without this patch, the results of the chi-square test is 0.01%, and
the numbers are certainly not random according to ent's project page.
The results improve with this patch:
$ ent -c qcom-random-after
Value Char Occurrences Fraction
0 35432 0.003937
1 35127 0.003903
2 35424 0.003936
...
253 � 35201 0.003911
254 � 34835 0.003871
255 � 35368 0.003930
Total: 9000000 1.000000
Entropy = 7.999979 bits per byte.
Optimum compression would reduce the size
of this 9000000 byte file by 0 percent.
Chi square distribution for 9000000 samples is 258.77, and randomly
would exceed this value 42.24 percent of the times.
Arithmetic mean value of data bytes is 127.5006 (127.5 = random).
Monte Carlo value for Pi is 3.141277333 (error 0.01 percent).
Serial correlation coefficient is 0.000468 (totally uncorrelated =
0.0).
This change was tested on a Nexus 5 phone (msm8974 SoC).
Signed-off-by: Brian Masney <bmasney@redhat.com>
Fixes: ceec5f5b5988 ("crypto: qcom-rng - Add Qcom prng driver")
Cc: stable@vger.kernel.org # 4.19+
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This reverts commit fc328a7d1fcce263db0b046917a66f3aa6e68719.
This commit - while attempting to fix a regression - has caused a number
of other problems. As the fallout from it is more significant than the
initial problem itself, revert it for now before we find a correct
solution.
Link: https://lore.kernel.org/all/20220314192522.GA3031157@roeck-us.net/
Link: https://lore.kernel.org/stable/20220314155509.552218-1-michael@walle.cc/
Link: https://lore.kernel.org/all/20211217153555.9413-1-marcelo.jimenez@gmail.com/
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Reported-and-bisected-by: Guenter Roeck <linux@roeck-us.net>
Reported-by: Michael Walle <michael@walle.cc>
Cc: Thorsten Leemhuis <linux@leemhuis.info>
Cc: Marcelo Roberto Jimenez <marcelo.jimenez@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull virtio fix from Michael Tsirkin:
"A last minute regression fix.
I thought we did a lot of testing, but a regression still managed to
sneak in. The fix seems trivial"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vhost: allow batching hint without size
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Commit e2ae38cf3d91 ("vhost: fix hung thread due to erroneous iotlb
entries") tries to reject the IOTLB message whose size is zero. But
the size is not necessarily meaningful, one example is the batching
hint, so the commit breaks that.
Fixing this be reject zero size message only if the message is used to
update/invalidate the IOTLB.
Fixes: e2ae38cf3d91 ("vhost: fix hung thread due to erroneous iotlb entries")
Reported-by: Eli Cohen <elic@nvidia.com>
Cc: Anirudh Rayabharam <mail@anirudhrb.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20220310075211.4801-1-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Eli Cohen <elic@nvidia.com>
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Pull drm kconfig fix from Dave Airlie:
"Thorsten pointed out this had fallen down the cracks and was in -next
only, I've picked it out, fixed up it's Fixes: line.
- fix regression in Kconfig"
* tag 'drm-fixes-2022-03-12' of git://anongit.freedesktop.org/drm/drm:
drm/panel: Select DRM_DP_HELPER for DRM_PANEL_EDP
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