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path: root/drivers/usb
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2018-01-23usbip: fix warning in vhci_hcd_probe/lockdep_init_mapShuah Khan
commit 918b8ac55b6c809b70aa05c279087109584e393e upstream. vhci_hcd calls sysfs_create_group() with dynamically allocated sysfs attributes triggering the lock-class key not persistent warning. Call sysfs_attr_init() for dynamically allocated sysfs attributes to fix it. vhci_hcd vhci_hcd: USB/IP Virtual Host Controller vhci_hcd vhci_hcd: new USB bus registered, assigned bus number 2 BUG: key ffff88006a7e8d18 not in .data! ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1 at kernel/locking/lockdep.c:3131 lockdep_init_map+0x60c/0x770 DEBUG_LOCKS_WARN_ON(1)[ 1.567044] Modules linked in: CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.9.0-rc7+ #58 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 ffff88006bce6eb8 ffffffff81f96c8a ffffffff00000a02 1ffff1000d79cd6a ffffed000d79cd62 000000046bce6ed8 0000000041b58ab3 ffffffff8598af40 ffffffff81f969f8 0000000000000000 0000000041b58ab3 0000000000000200 Call Trace: [< inline >] __dump_stack lib/dump_stack.c:15 [<ffffffff81f96c8a>] dump_stack+0x292/0x398 lib/dump_stack.c:51 [<ffffffff812b808f>] __warn+0x19f/0x1e0 kernel/panic.c:550 [<ffffffff812b8195>] warn_slowpath_fmt+0xc5/0x110 kernel/panic.c:565 [<ffffffff813f3efc>] lockdep_init_map+0x60c/0x770 kernel/locking/lockdep.c:3131 [<ffffffff819e43d4>] __kernfs_create_file+0x114/0x2a0 fs/kernfs/file.c:954 [<ffffffff819e68f5>] sysfs_add_file_mode_ns+0x225/0x520 fs/sysfs/file.c:305 [< inline >] create_files fs/sysfs/group.c:64 [<ffffffff819e8a89>] internal_create_group+0x239/0x8f0 fs/sysfs/group.c:134 [<ffffffff819e915f>] sysfs_create_group+0x1f/0x30 fs/sysfs/group.c:156 [<ffffffff8323de24>] vhci_start+0x5b4/0x7a0 drivers/usb/usbip/vhci_hcd.c:978 [<ffffffff82c907ca>] usb_add_hcd+0x8da/0x1c60 drivers/usb/core/hcd.c:2867 [<ffffffff8323bc57>] vhci_hcd_probe+0x97/0x130 drivers/usb/usbip/vhci_hcd.c:1103 --- --- ---[ end trace c33c7b202cf3aac8 ]--- Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> Reported-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-01-17uas: ignore UAS for Norelsys NS1068(X) chipsIcenowy Zheng
commit 928afc85270753657b5543e052cc270c279a3fe9 upstream. The UAS mode of Norelsys NS1068(X) is reported to fail to work on several platforms with the following error message: xhci-hcd xhci-hcd.0.auto: ERROR Transfer event for unknown stream ring slot 1 ep 8 xhci-hcd xhci-hcd.0.auto: @00000000bf04a400 00000000 00000000 1b000000 01098001 And when trying to mount a partition on the disk the disk will disconnect from the USB controller, then after re-connecting the device will be offlined and not working at all. Falling back to USB mass storage can solve this problem, so ignore UAS function of this chip. Signed-off-by: Icenowy Zheng <icenowy@aosc.io> Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-01-17usbip: vudc_tx: fix v_send_ret_submit() vulnerability to null xfer bufferShuah Khan
commit 5fd77a3a0e408c23ab4002a57db980e46bc16e72 upstream. v_send_ret_submit() handles urb with a null transfer_buffer, when it replays a packet with potential malicious data that could contain a null buffer. Add a check for the condition when actual_length > 0 and transfer_buffer is null. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-01-17usbip: fix vudc_rx: harden CMD_SUBMIT path to handle malicious inputShuah Khan
commit b78d830f0049ef1966dc1e0ebd1ec2a594e2cf25 upstream. Harden CMD_SUBMIT path to handle malicious input that could trigger large memory allocations. Add checks to validate transfer_buffer_length and number_of_packets to protect against bad input requesting for unbounded memory allocations. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-01-17usbip: remove kernel addresses from usb device and urb debug msgsShuah Khan
commit e1346fd87c71a1f61de1fe476ec8df1425ac931c upstream. usbip_dump_usb_device() and usbip_dump_urb() print kernel addresses. Remove kernel addresses from usb device and urb debug msgs and improve the message content. Instead of printing parent device and bus addresses, print parent device and bus names. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-01-17USB: fix usbmon BUG triggerPete Zaitcev
commit 46eb14a6e1585d99c1b9f58d0e7389082a5f466b upstream. Automated tests triggered this by opening usbmon and accessing the mmap while simultaneously resizing the buffers. This bug was with us since 2006, because typically applications only size the buffers once and thus avoid racing. Reported by Kirill A. Shutemov. Reported-by: <syzbot+f9831b881b3e849829fc@syzkaller.appspotmail.com> Signed-off-by: Pete Zaitcev <zaitcev@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-01-17usb: misc: usb3503: make sure reset is low for at least 100usStefan Agner
commit b8626f1dc29d3eee444bfaa92146ec7b291ef41c upstream. When using a GPIO which is high by default, and initialize the driver in USB Hub mode, initialization fails with: [ 111.757794] usb3503 0-0008: SP_ILOCK failed (-5) The reason seems to be that the chip is not properly reset. Probe does initialize reset low, however some lines later the code already set it back high, which is not long enouth. Make sure reset is asserted for at least 100us by inserting a delay after initializing the reset pin during probe. Signed-off-by: Stefan Agner <stefan@agner.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-01-17USB: serial: cp210x: add new device ID ELV ALC 8xxxChristian Holl
commit d14ac576d10f865970bb1324d337e5e24d79aaf4 upstream. This adds the ELV ALC 8xxx Battery Charging device to the list of USB IDs of drivers/usb/serial/cp210x.c Signed-off-by: Christian Holl <cyborgx1@gmail.com> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-01-17USB: serial: cp210x: add IDs for LifeScan OneTouch Verio IQDiego Elio Pettenò
commit 4307413256ac1e09b8f53e8715af3df9e49beec3 upstream. Add IDs for the OneTouch Verio IQ that comes with an embedded USB-to-serial converter. Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-01-17xhci: Fix ring leak in failure path of xhci_alloc_virt_device()Ben Hutchings
This is a stable-only fix for the backport of commit 5d9b70f7d52e ("xhci: Don't add a virt_dev to the devs array before it's fully allocated"). In branches that predate commit c5628a2af83a ("xhci: remove endpoint ring cache") there is an additional failure path in xhci_alloc_virt_device() where ring cache allocation fails, in which case we need to free the ring allocated for endpoint 0. Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk> Cc: Mathias Nyman <mathias.nyman@intel.com>
2018-01-02usb: xhci: Add XHCI_TRUST_TX_LENGTH for Renesas uPD720201Daniel Thompson
commit da99706689481717998d1d48edd389f339eea979 upstream. When plugging in a USB webcam I see the following message: xhci_hcd 0000:04:00.0: WARN Successful completion on short TX: needs XHCI_TRUST_TX_LENGTH quirk? handle_tx_event: 913 callbacks suppressed All is quiet again with this patch (and I've done a fair but of soak testing with the camera since). Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org> Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-01-02USB: Fix off by one in type-specific length check of BOS SSP capabilityMathias Nyman
commit 07b9f12864d16c3a861aef4817eb1efccbc5d0e6 upstream. USB 3.1 devices are not detected as 3.1 capable since 4.15-rc3 due to a off by one in commit 81cf4a45360f ("USB: core: Add type-specific length check of BOS descriptors") It uses USB_DT_USB_SSP_CAP_SIZE() to get SSP capability size which takes the zero based SSAC as argument, not the actual count of sublink speed attributes. USB3 spec 9.6.2.5 says "The number of Sublink Speed Attributes = SSAC + 1." The type-specific length check patch was added to stable and needs to be fixed there as well Fixes: 81cf4a45360f ("USB: core: Add type-specific length check of BOS descriptors") CC: Masakazu Mokuno <masakazu.mokuno@gmail.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-01-02usb: add RESET_RESUME for ELSA MicroLink 56KOliver Neukum
commit b9096d9f15c142574ebebe8fbb137012bb9d99c2 upstream. This modem needs this quirk to operate. It produces timeouts when resumed without reset. Signed-off-by: Oliver Neukum <oneukum@suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-01-02usb: Add device quirk for Logitech HD Pro Webcam C925eDmitry Fleytman Dmitry Fleytman
commit 7f038d256c723dd390d2fca942919573995f4cfd upstream. Commit e0429362ab15 ("usb: Add device quirk for Logitech HD Pro Webcams C920 and C930e") introduced quirk to workaround an issue with some Logitech webcams. There is one more model that has the same issue - C925e, so applying the same quirk as well. See aforementioned commit message for detailed explanation of the problem. Signed-off-by: Dmitry Fleytman <dmitry.fleytman@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-01-02USB: serial: option: adding support for YUGA CLM920-NC5SZ Lin (林上智)
commit 3920bb713038810f25770e7545b79f204685c8f2 upstream. This patch adds support for YUGA CLM920-NC5 PID 0x9625 USB modem to option driver. Interface layout: 0: QCDM/DIAG 1: ADB 2: MODEM 3: AT 4: RMNET Signed-off-by: Taiyi Wu <taiyity.wu@moxa.com> Signed-off-by: SZ Lin (林上智) <sz.lin@moxa.com> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-01-02USB: serial: option: add support for Telit ME910 PID 0x1101Daniele Palmas
commit 08933099e6404f588f81c2050bfec7313e06eeaf upstream. This patch adds support for PID 0x1101 of Telit ME910. Signed-off-by: Daniele Palmas <dnlplm@gmail.com> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-01-02USB: serial: qcserial: add Sierra Wireless EM7565Reinhard Speyerer
commit 92a18a657fb2e2ffbfa0659af32cc18fd2346516 upstream. Sierra Wireless EM7565 devices use the QCSERIAL_SWI layout for their serial ports T: Bus=01 Lev=03 Prnt=29 Port=01 Cnt=02 Dev#= 31 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1199 ProdID=9091 Rev= 0.06 S: Manufacturer=Sierra Wireless, Incorporated S: Product=Sierra Wireless EM7565 Qualcomm Snapdragon X16 LTE-A S: SerialNumber=xxxxxxxx C:* #Ifs= 4 Cfg#= 1 Atr=a0 MxPwr=500mA I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=qcserial E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=qcserial E: Ad=83(I) Atr=03(Int.) MxPS= 10 Ivl=32ms E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=qcserial E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 8 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan E: Ad=86(I) Atr=03(Int.) MxPS= 8 Ivl=32ms E: Ad=8e(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=0f(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms but need sendsetup = true for the NMEA port to make it work properly. Simplify the patch compared to v1 as suggested by Bjørn Mork by taking advantage of the fact that existing devices work with sendsetup = true too. Use sendsetup = true for the NMEA interface of QCSERIAL_SWI and add DEVICE_SWI entries for the EM7565 PID 0x9091 and the EM7565 QDL PID 0x9090. Tests with several MC73xx/MC74xx/MC77xx devices have been performed in order to verify backward compatibility. Signed-off-by: Reinhard Speyerer <rspmn@arcor.de> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-01-02USB: serial: ftdi_sio: add id for Airbus DS P8GRMax Schulze
commit c6a36ad383559a60a249aa6016cebf3cb8b6c485 upstream. Add AIRBUS_DS_P8GR device IDs to ftdi_sio driver. Signed-off-by: Max Schulze <max.schulze@posteo.de> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-01-02usbip: vhci: stop printing kernel pointer addresses in messagesShuah Khan
commit 8272d099d05f7ab2776cf56a2ab9f9443be18907 upstream. Remove and/or change debug, info. and error messages to not print kernel pointer addresses. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-01-02usbip: stub: stop printing kernel pointer addresses in messagesShuah Khan
commit 248a22044366f588d46754c54dfe29ffe4f8b4df upstream. Remove and/or change debug, info. and error messages to not print kernel pointer addresses. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-01-02usbip: prevent leaking socket pointer address in messagesShuah Khan
commit 90120d15f4c397272aaf41077960a157fc4212bf upstream. usbip driver is leaking socket pointer address in messages. Remove the messages that aren't useful and print sockfd in the ones that are useful for debugging. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-25xhci: plat: Register shutdown for xhci_platAdam Wallis
[ Upstream commit b07c12517f2aed0add8ce18146bb426b14099392 ] Shutdown should be called for xhci_plat devices especially for situations where kexec might be used by stopping DMA transactions. Signed-off-by: Adam Wallis <awallis@codeaurora.org> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-25usb: gadget: udc: remove pointer dereference after freeGustavo A. R. Silva
[ Upstream commit 1f459262b0e1649a1e5ad12fa4c66eb76c2220ce ] Remove pointer dereference after free. Addresses-Coverity-ID: 1091173 Acked-by: Michal Nazarewicz <mina86@mina86.com> Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-25usb: gadget: f_uvc: Sanity check wMaxPacketSize for SuperSpeedRoger Quadros
[ Upstream commit 16bb05d98c904a4f6c5ce7e2d992299f794acbf2 ] As per USB3.0 Specification "Table 9-20. Standard Endpoint Descriptor", for interrupt and isochronous endpoints, wMaxPacketSize must be set to 1024 if the endpoint defines bMaxBurst to be greater than zero. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-20usb: musb: da8xx: fix babble condition handlingBin Liu
commit bd3486ded7a0c313a6575343e6c2b21d14476645 upstream. When babble condition happens, the musb controller might automatically turns off VBUS. On DA8xx platform, the controller generates drvvbus interrupt for turning off VBUS along with the babble interrupt. In this case, we should handle the babble interrupt first and recover from the babble condition. This change ignores the drvvbus interrupt if babble interrupt is also generated at the same time, so the babble recovery routine works properly. Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-20usb: xhci-mtk: check hcc_params after adding primary hcdChunfeng Yun
[ Upstream commit 94a631d91ad341b3b4bdac72d1104d9f090e0ca9 ] hcc_params is set in xhci_gen_setup() called from usb_add_hcd(), so checks the Maximum Primary Stream Array Size in the hcc_params register after adding primary hcd. Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-20usb: phy: isp1301: Add OF device ID tableJavier Martinez Canillas
[ Upstream commit fd567653bdb908009b650f079bfd4b63169e2ac4 ] The driver doesn't have a struct of_device_id table but supported devices are registered via Device Trees. This is working on the assumption that a I2C device registered via OF will always match a legacy I2C device ID and that the MODALIAS reported will always be of the form i2c:<device>. But this could change in the future so the correct approach is to have an OF device ID table if the devices are registered via OF. Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-20xhci: Don't add a virt_dev to the devs array before it's fully allocatedMathias Nyman
commit 5d9b70f7d52eb14bb37861c663bae44de9521c35 upstream. Avoid null pointer dereference if some function is walking through the devs array accessing members of a new virt_dev that is mid allocation. Add the virt_dev to xhci->devs[i] _after_ the virt_device and all its members are properly allocated. issue found by KASAN: null-ptr-deref in xhci_find_slot_id_by_port "Quick analysis suggests that xhci_alloc_virt_device() is not mutex protected. If so, there is a time frame where xhci->devs[slot_id] is set but not fully initialized. Specifically, xhci->devs[i]->udev can be NULL." Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-20usb: xhci: fix TDS for MTK xHCI1.1Chunfeng Yun
commit 72b663a99c074a8d073e7ecdae446cfb024ef551 upstream. For MTK's xHCI 1.0 or latter, TD size is the number of max packet sized packets remaining in the TD, not including this TRB (following spec). For MTK's xHCI 0.96 and older, TD size is the number of max packet sized packets remaining in the TD, including this TRB (not following spec). Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-20usbip: fix stub_send_ret_submit() vulnerability to null transfer_bufferShuah Khan
commit be6123df1ea8f01ee2f896a16c2b7be3e4557a5a upstream. stub_send_ret_submit() handles urb with a potential null transfer_buffer, when it replays a packet with potential malicious data that could contain a null buffer. Add a check for the condition when actual_length > 0 and transfer_buffer is null. Reported-by: Secunia Research <vuln@secunia.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-20usbip: fix stub_rx: harden CMD_SUBMIT path to handle malicious inputShuah Khan
commit c6688ef9f29762e65bce325ef4acd6c675806366 upstream. Harden CMD_SUBMIT path to handle malicious input that could trigger large memory allocations. Add checks to validate transfer_buffer_length and number_of_packets to protect against bad input requesting for unbounded memory allocations. Validate early in get_pipe() and return failure. Reported-by: Secunia Research <vuln@secunia.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-20usbip: fix stub_rx: get_pipe() to validate endpoint numberShuah Khan
commit 635f545a7e8be7596b9b2b6a43cab6bbd5a88e43 upstream. get_pipe() routine doesn't validate the input endpoint number and uses to reference ep_in and ep_out arrays. Invalid endpoint number can trigger BUG(). Range check the epnum and returning error instead of calling BUG(). Change caller stub_recv_cmd_submit() to handle the get_pipe() error return. Reported-by: Secunia Research <vuln@secunia.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-20USB: core: prevent malicious bNumInterfaces overflowAlan Stern
commit 48a4ff1c7bb5a32d2e396b03132d20d552c0eca7 upstream. A malicious USB device with crafted descriptors can cause the kernel to access unallocated memory by setting the bNumInterfaces value too high in a configuration descriptor. Although the value is adjusted during parsing, this adjustment is skipped in one of the error return paths. This patch prevents the problem by setting bNumInterfaces to 0 initially. The existing code already sets it to the proper value after parsing is complete. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Reported-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-20USB: uas and storage: Add US_FL_BROKEN_FUA for another JMicron JMS567 IDDavid Kozub
commit 62354454625741f0569c2cbe45b2d192f8fd258e upstream. There is another JMS567-based USB3 UAS enclosure (152d:0578) that fails with the following error: [sda] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE [sda] tag#0 Sense Key : Illegal Request [current] [sda] tag#0 Add. Sense: Invalid field in cdb The issue occurs both with UAS (occasionally) and mass storage (immediately after mounting a FS on a disk in the enclosure). Enabling US_FL_BROKEN_FUA quirk solves this issue. This patch adds an UNUSUAL_DEV with US_FL_BROKEN_FUA for the enclosure for both UAS and mass storage. Signed-off-by: David Kozub <zub@linux.fjfi.cvut.cz> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-16usb: gadget: ffs: Forbid usb_ep_alloc_request from sleepingVincent Pelletier
commit 30bf90ccdec1da9c8198b161ecbff39ce4e5a9ba upstream. Found using DEBUG_ATOMIC_SLEEP while submitting an AIO read operation: [ 100.853642] BUG: sleeping function called from invalid context at mm/slab.h:421 [ 100.861148] in_atomic(): 1, irqs_disabled(): 1, pid: 1880, name: python [ 100.867954] 2 locks held by python/1880: [ 100.867961] #0: (&epfile->mutex){....}, at: [<f8188627>] ffs_mutex_lock+0x27/0x30 [usb_f_fs] [ 100.868020] #1: (&(&ffs->eps_lock)->rlock){....}, at: [<f818ad4b>] ffs_epfile_io.isra.17+0x24b/0x590 [usb_f_fs] [ 100.868076] CPU: 1 PID: 1880 Comm: python Not tainted 4.14.0-edison+ #118 [ 100.868085] Hardware name: Intel Corporation Merrifield/BODEGA BAY, BIOS 542 2015.01.21:18.19.48 [ 100.868093] Call Trace: [ 100.868122] dump_stack+0x47/0x62 [ 100.868156] ___might_sleep+0xfd/0x110 [ 100.868182] __might_sleep+0x68/0x70 [ 100.868217] kmem_cache_alloc_trace+0x4b/0x200 [ 100.868248] ? dwc3_gadget_ep_alloc_request+0x24/0xe0 [dwc3] [ 100.868302] dwc3_gadget_ep_alloc_request+0x24/0xe0 [dwc3] [ 100.868343] usb_ep_alloc_request+0x16/0xc0 [udc_core] [ 100.868386] ffs_epfile_io.isra.17+0x444/0x590 [usb_f_fs] [ 100.868424] ? _raw_spin_unlock_irqrestore+0x27/0x40 [ 100.868457] ? kiocb_set_cancel_fn+0x57/0x60 [ 100.868477] ? ffs_ep0_poll+0xc0/0xc0 [usb_f_fs] [ 100.868512] ffs_epfile_read_iter+0xfe/0x157 [usb_f_fs] [ 100.868551] ? security_file_permission+0x9c/0xd0 [ 100.868587] ? rw_verify_area+0xac/0x120 [ 100.868633] aio_read+0x9d/0x100 [ 100.868692] ? __fget+0xa2/0xd0 [ 100.868727] ? __might_sleep+0x68/0x70 [ 100.868763] SyS_io_submit+0x471/0x680 [ 100.868878] do_int80_syscall_32+0x4e/0xd0 [ 100.868921] entry_INT80_32+0x2a/0x2a [ 100.868932] EIP: 0xb7fbb676 [ 100.868941] EFLAGS: 00000292 CPU: 1 [ 100.868951] EAX: ffffffda EBX: b7aa2000 ECX: 00000002 EDX: b7af8368 [ 100.868961] ESI: b7fbb660 EDI: b7aab000 EBP: bfb6c658 ESP: bfb6c638 [ 100.868973] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b Signed-off-by: Vincent Pelletier <plr.vincent@gmail.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-14usb: gadget: udc: net2280: Fix tmp reusage in net2280 driverRaz Manor
[ Upstream commit ef5e2fa9f65befa12f1113c734602d2c1964d2a5 ] In the function scan_dma_completions() there is a reusage of tmp variable. That coused a wrong value being used in some case when reading a short packet terminated transaction from an endpoint, in 2 concecutive reads. This was my logic for the patch: The req->td->dmadesc equals to 0 iff: -- There was a transaction ending with a short packet, and -- The read() to read it was shorter than the transaction length, and -- The read() to complete it is longer than the residue. I believe this is true from the printouts of various cases, but I can't be positive it is correct. Entering this if, there should be no more data in the endpoint (a short packet terminated the transaction). If there is, the transaction wasn't really done and we should exit and wait for it to finish entirely. That is the inner if. That inner if should never happen, but it is there to be on the safe side. That is why it is marked with the comment /* paranoia */. The size of the data available in the endpoint is ep->dma->dmacount and it is read to tmp. This entire clause is based on my own educated guesses. If we passed that inner if without breaking in the original code, than tmp & DMA_BYTE_MASK_COUNT== 0. That means we will always pass dma bytes count of 0 to dma_done(), meaning all the requested bytes were read. dma_done() reports back to the upper layer that the request (read()) was done and how many bytes were read. In the original code that would always be the request size, regardless of the actual size of the data. That did not make sense to me at all. However, the original value of tmp is req->td->dmacount, which is the dmacount value when the request's dma transaction was finished. And that is a much more reasonable value to report back to the caller. To recreate the problem: Read from a bulk out endpoint in a loop, 1024 * n bytes in each iteration. Connect the PLX to a host you can control. Send to that endpoint 1024 * n + x bytes, such that 0 < x < 1024 * n and (x % 1024) != 0 You would expect the first read() to return 1024 * n and the second read() to return x. But you will get the first read to return 1024 * n and the second one to return 1024 * n. That is true for every positive integer n. Cc: Felipe Balbi <balbi@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: linux-usb@vger.kernel.org Signed-off-by: Raz Manor <Raz.Manor@valens.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-14usb: gadget: pxa27x: Test for a valid argument pointerPetr Cvek
[ Upstream commit df7545719a14fa7b481896fb8689e23d0a00f682 ] A call usb_put_phy(udc->transceiver) must be tested for a valid pointer. Use an already existing test for usb_unregister_notifier call. Acked-by: Robert Jarzmik <robert.jarzmik@free.fr> Reported-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Petr Cvek <petr.cvek@tul.cz> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-14usb: dwc3: gadget: Fix system suspend/resume on TI platformsRoger Quadros
[ Upstream commit 1551e35ea4189c1f7199fe278395fc94196715f2 ] On TI platforms (dra7, am437x), the DWC3_DSTS_DEVCTRLHLT bit is not set after the device controller is stopped via DWC3_DCTL_RUN_STOP. If we don't disconnect and stop the gadget, it stops working after a system resume with the trace below. There is no point in preventing gadget disconnect and gadget stop during system suspend/resume as we're going to suspend in any case, whether DEVCTRLHLT timed out or not. [ 141.727480] ------------[ cut here ]------------ [ 141.732349] WARNING: CPU: 1 PID: 2135 at drivers/usb/dwc3/gadget.c:2384 dwc3_stop_active_transfer.constprop.4+0xc4/0xe4 [dwc3] [ 141.744299] Modules linked in: usb_f_ss_lb g_zero libcomposite xhci_plat_hcd xhci_hcd usbcore dwc3 evdev udc_core m25p80 usb_common spi_nor snd_soc_davinci_mcasp snd_soc_simple_card snd_soc_edma snd_soc_tlv3e [ 141.792163] CPU: 1 PID: 2135 Comm: irq/456-dwc3 Not tainted 4.10.0-rc8 #1138 [ 141.799547] Hardware name: Generic DRA74X (Flattened Device Tree) [ 141.805940] [<c01101b4>] (unwind_backtrace) from [<c010c31c>] (show_stack+0x10/0x14) [ 141.814066] [<c010c31c>] (show_stack) from [<c04a0918>] (dump_stack+0xac/0xe0) [ 141.821648] [<c04a0918>] (dump_stack) from [<c013708c>] (__warn+0xd8/0x104) [ 141.828955] [<c013708c>] (__warn) from [<c0137164>] (warn_slowpath_null+0x20/0x28) [ 141.836902] [<c0137164>] (warn_slowpath_null) from [<bf27784c>] (dwc3_stop_active_transfer.constprop.4+0xc4/0xe4 [dwc3]) [ 141.848329] [<bf27784c>] (dwc3_stop_active_transfer.constprop.4 [dwc3]) from [<bf27ab14>] (__dwc3_gadget_ep_disable+0x64/0x528 [dwc3]) [ 141.861034] [<bf27ab14>] (__dwc3_gadget_ep_disable [dwc3]) from [<bf27c27c>] (dwc3_gadget_ep_disable+0x3c/0xc8 [dwc3]) [ 141.872280] [<bf27c27c>] (dwc3_gadget_ep_disable [dwc3]) from [<bf23b428>] (usb_ep_disable+0x11c/0x18c [udc_core]) [ 141.883160] [<bf23b428>] (usb_ep_disable [udc_core]) from [<bf342774>] (disable_ep+0x18/0x54 [usb_f_ss_lb]) [ 141.893408] [<bf342774>] (disable_ep [usb_f_ss_lb]) from [<bf3437b0>] (disable_endpoints+0x18/0x50 [usb_f_ss_lb]) [ 141.904168] [<bf3437b0>] (disable_endpoints [usb_f_ss_lb]) from [<bf343814>] (disable_source_sink+0x2c/0x34 [usb_f_ss_lb]) [ 141.915771] [<bf343814>] (disable_source_sink [usb_f_ss_lb]) from [<bf329a9c>] (reset_config+0x48/0x7c [libcomposite]) [ 141.927012] [<bf329a9c>] (reset_config [libcomposite]) from [<bf329afc>] (composite_disconnect+0x2c/0x54 [libcomposite]) [ 141.938444] [<bf329afc>] (composite_disconnect [libcomposite]) from [<bf23d7dc>] (usb_gadget_udc_reset+0x10/0x34 [udc_core]) [ 141.950237] [<bf23d7dc>] (usb_gadget_udc_reset [udc_core]) from [<bf276d70>] (dwc3_gadget_reset_interrupt+0x64/0x698 [dwc3]) [ 141.962022] [<bf276d70>] (dwc3_gadget_reset_interrupt [dwc3]) from [<bf27952c>] (dwc3_thread_interrupt+0x618/0x1a3c [dwc3]) [ 141.973723] [<bf27952c>] (dwc3_thread_interrupt [dwc3]) from [<c01a7ce8>] (irq_thread_fn+0x1c/0x54) [ 141.983215] [<c01a7ce8>] (irq_thread_fn) from [<c01a7fbc>] (irq_thread+0x120/0x1f0) [ 141.991247] [<c01a7fbc>] (irq_thread) from [<c015ba14>] (kthread+0xf8/0x138) [ 141.998641] [<c015ba14>] (kthread) from [<c01078f0>] (ret_from_fork+0x14/0x24) [ 142.006213] ---[ end trace b4ecfe9f175b9a9c ]--- Signed-off-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-14USB: gadgetfs: Fix a potential memory leak in 'dev_config()'Christophe JAILLET
[ Upstream commit b6e7aeeaf235901c42ec35de4633c7c69501d303 ] 'kbuf' is allocated just a few lines above using 'memdup_user()'. If the 'if (dev->buf)' test fails, this memory is never released. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-14usb: gadget: configs: plug memory leakJohn Keeping
[ Upstream commit 38355b2a44776c25b0f2ad466e8c51bb805b3032 ] When binding a gadget to a device, "name" is stored in gi->udc_name, but this does not happen when unregistering and the string is leaked. Signed-off-by: John Keeping <john@metanate.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-14usb: f_fs: Force Reserved1=1 in OS_DESC_EXT_COMPATJohn Keeping
commit a3acc696085e112733d191a77b106e67a4fa110b upstream. The specification says that the Reserved1 field in OS_DESC_EXT_COMPAT must have the value "1", but when this feature was first implemented we rejected any non-zero values. This was adjusted to accept all non-zero values (while now rejecting zero) in commit 53642399aa71 ("usb: gadget: f_fs: Fix wrong check on reserved1 of OS_DESC_EXT_COMPAT"), but that breaks any userspace programs that worked previously by returning EINVAL when Reserved1 == 0 which was previously the only value that succeeded! If we just set the field to "1" ourselves, both old and new userspace programs continue to work correctly and, as a bonus, old programs are now compliant with the specification without having to fix anything themselves. Fixes: 53642399aa71 ("usb: gadget: f_fs: Fix wrong check on reserved1 of OS_DESC_EXT_COMPAT") Signed-off-by: John Keeping <john@metanate.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-14usb: gadget: udc: renesas_usb3: fix number of the pipesYoshihiro Shimoda
commit a58204ab91ad8cae4d8474aa0ba5d1fc504860c9 upstream. This controller on R-Car Gen3 has 6 pipes that included PIPE 0 for control actually. But, the datasheet has error in writing as it has 31 pipes. (However, the previous code defined 30 pipes wrongly...) Anyway, this patch fixes it. Fixes: 746bfe63bba3 ("usb: gadget: renesas_usb3: add support for Renesas USB3.0 peripheral controller") Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-09usb: host: fix incorrect updating of offsetColin Ian King
commit 1d5a31582ef046d3b233f0da1a68ae26519b2f0a upstream. The variable temp is incorrectly being updated, instead it should be offset otherwise the loop just reads the same capability value and loops forever. Thanks to Alan Stern for pointing out the correct fix to my original fix. Fix also cleans up clang warning: drivers/usb/host/ehci-dbg.c:840:4: warning: Value stored to 'temp' is never read Fixes: d49d43174400 ("USB: misc ehci updates") Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-09USB: usbfs: Filter flags passed in from user spaceOliver Neukum
commit 446f666da9f019ce2ffd03800995487e79a91462 upstream. USBDEVFS_URB_ISO_ASAP must be accepted only for ISO endpoints. Improve sanity checking. Reported-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: Oliver Neukum <oneukum@suse.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-09USB: devio: Prevent integer overflow in proc_do_submiturb()Dan Carpenter
commit 57999d1107c1e60c2ca7088f2ac0f819e2f554b3 upstream. There used to be an integer overflow check in proc_do_submiturb() but we removed it. It turns out that it's still required. The uurb->buffer_length variable is a signed integer and it's controlled by the user. It can lead to an integer overflow when we do: num_sgs = DIV_ROUND_UP(uurb->buffer_length, USB_SG_SIZE); If we strip away the macro then that line looks like this: num_sgs = (uurb->buffer_length + USB_SG_SIZE - 1) / USB_SG_SIZE; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ It's the first addition which can overflow. Fixes: 1129d270cbfb ("USB: Increase usbfs transfer limit") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-09USB: Increase usbfs transfer limitMateusz Berezecki
commit 1129d270cbfbb7e2b1ec3dede4a13930bdd10e41 upstream. Promote a variable keeping track of USB transfer memory usage to a wider data type and allow for higher bandwidth transfers from a large number of USB devices connected to a single host. Signed-off-by: Mateusz Berezecki <mateuszb@fastmail.fm> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-09USB: core: Add type-specific length check of BOS descriptorsMasakazu Mokuno
commit 81cf4a45360f70528f1f64ba018d61cb5767249a upstream. As most of BOS descriptors are longer in length than their header 'struct usb_dev_cap_header', comparing solely with it is not sufficient to avoid out-of-bounds access to BOS descriptors. This patch adds descriptor type specific length check in usb_get_bos_descriptor() to fix the issue. Signed-off-by: Masakazu Mokuno <masakazu.mokuno@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-09usb: xhci: fix panic in xhci_free_virt_devices_depth_firstYu Chen
commit 80e457699a8dbdd70f2d26911e46f538645c55fc upstream. Check vdev->real_port 0 to avoid panic [ 9.261347] [<ffffff800884a390>] xhci_free_virt_devices_depth_first+0x58/0x108 [ 9.261352] [<ffffff800884a814>] xhci_mem_cleanup+0x1bc/0x570 [ 9.261355] [<ffffff8008842de8>] xhci_stop+0x140/0x1c8 [ 9.261365] [<ffffff80087ed304>] usb_remove_hcd+0xfc/0x1d0 [ 9.261369] [<ffffff80088551c4>] xhci_plat_remove+0x6c/0xa8 [ 9.261377] [<ffffff80086e928c>] platform_drv_remove+0x2c/0x70 [ 9.261384] [<ffffff80086e6ea0>] __device_release_driver+0x80/0x108 [ 9.261387] [<ffffff80086e7a1c>] device_release_driver+0x2c/0x40 [ 9.261392] [<ffffff80086e5f28>] bus_remove_device+0xe0/0x120 [ 9.261396] [<ffffff80086e2e34>] device_del+0x114/0x210 [ 9.261399] [<ffffff80086e9e00>] platform_device_del+0x30/0xa0 [ 9.261403] [<ffffff8008810bdc>] dwc3_otg_work+0x204/0x488 [ 9.261407] [<ffffff80088133fc>] event_work+0x304/0x5b8 [ 9.261414] [<ffffff80080e31b0>] process_one_work+0x148/0x490 [ 9.261417] [<ffffff80080e3548>] worker_thread+0x50/0x4a0 [ 9.261421] [<ffffff80080e9ea0>] kthread+0xe8/0x100 [ 9.261427] [<ffffff8008083680>] ret_from_fork+0x10/0x50 The problem can occur if xhci_plat_remove() is called shortly after xhci_plat_probe(). While xhci_free_virt_devices_depth_first been called before the device has been setup and get real_port initialized. The problem occurred on Hikey960 and was reproduced by Guenter Roeck on Kevin with chromeos-4.4. Fixes: ee8665e28e8d ("xhci: free xhci virtual devices with leaf nodes first") Cc: Guenter Roeck <groeck@google.com> Reviewed-by: Guenter Roeck <groeck@chromium.org> Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Fan Ning <fanning4@hisilicon.com> Signed-off-by: Li Rui <lirui39@hisilicon.com> Signed-off-by: yangdi <yangdi10@hisilicon.com> Signed-off-by: Yu Chen <chenyu56@huawei.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-09usb: hub: Cycle HUB power when initialization failsMike Looijmans
commit 973593a960ddac0f14f0d8877d2d0abe0afda795 upstream. Sometimes the USB device gets confused about the state of the initialization and the connection fails. In particular, the device thinks that it's already set up and running while the host thinks the device still needs to be configured. To work around this issue, power-cycle the hub's output to issue a sort of "reset" to the device. This makes the device restart its state machine and then the initialization succeeds. This fixes problems where the kernel reports a list of errors like this: usb 1-1.3: device not accepting address 19, error -71 The end result is a non-functioning device. After this patch, the sequence becomes like this: usb 1-1.3: new high-speed USB device number 18 using ci_hdrc usb 1-1.3: device not accepting address 18, error -71 usb 1-1.3: new high-speed USB device number 19 using ci_hdrc usb 1-1.3: device not accepting address 19, error -71 usb 1-1-port3: attempt power cycle usb 1-1.3: new high-speed USB device number 21 using ci_hdrc usb-storage 1-1.3:1.2: USB Mass Storage device detected Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-09usb: gadget: f_fs: Fix ExtCompat descriptor validationVincent Pelletier
[ Upstream commit 354bc45bf329494ef6051f3229ef50b9e2a7ea2a ] Reserved1 is documented as expected to be set to 0, but this test fails when it it set to 0. Reverse the condition. Signed-off-by: Vincent Pelletier <plr.vincent@gmail.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
generated by cgit v1.2.3 (git 2.0.4) at 2026-05-21 06:32:25 +0000