Re: Linux 4.14.328

From: Greg Kroah-Hartman
Date: Wed Oct 25 2023 - 05:51:54 EST


diff --git a/Makefile b/Makefile
index 2f6318924f21..f0bb45a62374 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 14
-SUBLEVEL = 327
+SUBLEVEL = 328
EXTRAVERSION =
NAME = Petit Gorille

diff --git a/arch/arm/boot/dts/omap4-droid4-xt894.dts b/arch/arm/boot/dts/omap4-droid4-xt894.dts
index bad690b23081..6d2ee40d88e1 100644
--- a/arch/arm/boot/dts/omap4-droid4-xt894.dts
+++ b/arch/arm/boot/dts/omap4-droid4-xt894.dts
@@ -533,6 +533,7 @@
&uart3 {
interrupts-extended = <&wakeupgen GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH
&omap4_pmx_core 0x17c>;
+ overrun-throttle-ms = <500>;
};

&uart4 {
diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c
index 0d300ee00f4e..9db7cacfe1f0 100644
--- a/arch/s390/pci/pci_dma.c
+++ b/arch/s390/pci/pci_dma.c
@@ -12,6 +12,7 @@
#include <linux/dma-mapping.h>
#include <linux/vmalloc.h>
#include <linux/pci.h>
+#include <linux/overflow.h>
#include <asm/pci_dma.h>

#define S390_MAPPING_ERROR (~(dma_addr_t) 0x0)
@@ -527,6 +528,17 @@ static void s390_dma_unmap_sg(struct device *dev, struct scatterlist *sg,
s->dma_length = 0;
}
}
+
+static unsigned long *bitmap_vzalloc(size_t bits, gfp_t flags)
+{
+ size_t n = BITS_TO_LONGS(bits);
+ size_t bytes;
+
+ if (unlikely(check_mul_overflow(n, sizeof(unsigned long), &bytes)))
+ return NULL;
+
+ return vzalloc(bytes);
+}

static int s390_mapping_error(struct device *dev, dma_addr_t dma_addr)
{
@@ -568,13 +580,13 @@ int zpci_dma_init_device(struct zpci_dev *zdev)
zdev->end_dma - zdev->start_dma + 1);
zdev->end_dma = zdev->start_dma + zdev->iommu_size - 1;
zdev->iommu_pages = zdev->iommu_size >> PAGE_SHIFT;
- zdev->iommu_bitmap = vzalloc(zdev->iommu_pages / 8);
+ zdev->iommu_bitmap = bitmap_vzalloc(zdev->iommu_pages, GFP_KERNEL);
if (!zdev->iommu_bitmap) {
rc = -ENOMEM;
goto free_dma_table;
}
if (!s390_iommu_strict) {
- zdev->lazy_bitmap = vzalloc(zdev->iommu_pages / 8);
+ zdev->lazy_bitmap = bitmap_vzalloc(zdev->iommu_pages, GFP_KERNEL);
if (!zdev->lazy_bitmap) {
rc = -ENOMEM;
goto free_bitmap;
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index 3a1e43588685..a10cd3fef963 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -442,6 +442,10 @@

#define MSR_AMD64_VIRT_SPEC_CTRL 0xc001011f

+/* Zen4 */
+#define MSR_ZEN4_BP_CFG 0xc001102e
+#define MSR_ZEN4_BP_CFG_SHARED_BTB_FIX_BIT 5
+
/* Fam 17h MSRs */
#define MSR_F17H_IRPERF 0xc00000e9

diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index e0c9ede0196a..96305270c435 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -24,6 +24,7 @@

static const int amd_erratum_383[];
static const int amd_erratum_400[];
+static const int amd_erratum_1485[];
static bool cpu_has_amd_erratum(struct cpuinfo_x86 *cpu, const int *erratum);

/*
@@ -974,6 +975,10 @@ static void init_amd(struct cpuinfo_x86 *c)
/* AMD CPUs don't reset SS attributes on SYSRET, Xen does. */
if (!cpu_has(c, X86_FEATURE_XENPV))
set_cpu_bug(c, X86_BUG_SYSRET_SS_ATTRS);
+
+ if (!cpu_has(c, X86_FEATURE_HYPERVISOR) &&
+ cpu_has_amd_erratum(c, amd_erratum_1485))
+ msr_set_bit(MSR_ZEN4_BP_CFG, MSR_ZEN4_BP_CFG_SHARED_BTB_FIX_BIT);
}

#ifdef CONFIG_X86_32
@@ -1102,6 +1107,10 @@ static const int amd_erratum_383[] =
AMD_OSVW_ERRATUM(3, AMD_MODEL_RANGE(0x10, 0, 0, 0xff, 0xf));


+static const int amd_erratum_1485[] =
+ AMD_LEGACY_ERRATUM(AMD_MODEL_RANGE(0x19, 0x10, 0x0, 0x1f, 0xf),
+ AMD_MODEL_RANGE(0x19, 0x60, 0x0, 0xaf, 0xf));
+
static bool cpu_has_amd_erratum(struct cpuinfo_x86 *cpu, const int *erratum)
{
int osvw_id = *erratum++;
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 4305f094d2c5..2c12ae71aa49 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -2085,13 +2085,17 @@ int kvm_apic_local_deliver(struct kvm_lapic *apic, int lvt_type)
{
u32 reg = kvm_lapic_get_reg(apic, lvt_type);
int vector, mode, trig_mode;
+ int r;

if (kvm_apic_hw_enabled(apic) && !(reg & APIC_LVT_MASKED)) {
vector = reg & APIC_VECTOR_MASK;
mode = reg & APIC_MODE_MASK;
trig_mode = reg & APIC_LVT_LEVEL_TRIGGER;
- return __apic_accept_irq(apic, mode, vector, 1, trig_mode,
- NULL);
+
+ r = __apic_accept_irq(apic, mode, vector, 1, trig_mode, NULL);
+ if (r && lvt_type == APIC_LVTPC)
+ kvm_lapic_set_reg(apic, APIC_LVTPC, reg | APIC_LVT_MASKED);
+ return r;
}
return 0;
}
diff --git a/drivers/acpi/irq.c b/drivers/acpi/irq.c
index 7c352cba0528..8ac01375fe8f 100644
--- a/drivers/acpi/irq.c
+++ b/drivers/acpi/irq.c
@@ -55,6 +55,7 @@ int acpi_register_gsi(struct device *dev, u32 gsi, int trigger,
int polarity)
{
struct irq_fwspec fwspec;
+ unsigned int irq;

if (WARN_ON(!acpi_gsi_domain_id)) {
pr_warn("GSI: No registered irqchip, giving up\n");
@@ -66,7 +67,11 @@ int acpi_register_gsi(struct device *dev, u32 gsi, int trigger,
fwspec.param[1] = acpi_dev_get_irq_type(trigger, polarity);
fwspec.param_count = 2;

- return irq_create_fwspec_mapping(&fwspec);
+ irq = irq_create_fwspec_mapping(&fwspec);
+ if (!irq)
+ return -EINVAL;
+
+ return irq;
}
EXPORT_SYMBOL_GPL(acpi_register_gsi);

diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 8a789de05680..18126dd96496 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2466,7 +2466,7 @@ static void ata_eh_link_report(struct ata_link *link)
struct ata_port *ap = link->ap;
struct ata_eh_context *ehc = &link->eh_context;
const char *frozen, *desc;
- char tries_buf[6] = "";
+ char tries_buf[16] = "";
int tag, nr_failed = 0;

if (ehc->i.flags & ATA_EHI_QUIET)
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 1c5ff22d92f1..a28e9e2111b4 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1242,7 +1242,7 @@ static int dev_get_regmap_match(struct device *dev, void *res, void *data)

/* If the user didn't specify a name match any */
if (data)
- return !strcmp((*r)->name, data);
+ return (*r)->name && !strcmp((*r)->name, data);
else
return 1;
}
diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c
index e6f6dbc04131..f72d8f168ae9 100644
--- a/drivers/bluetooth/hci_vhci.c
+++ b/drivers/bluetooth/hci_vhci.c
@@ -82,7 +82,10 @@ static int vhci_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
struct vhci_data *data = hci_get_drvdata(hdev);

memcpy(skb_push(skb, 1), &hci_skb_pkt_type(skb), 1);
+
+ mutex_lock(&data->open_mutex);
skb_queue_tail(&data->readq, skb);
+ mutex_unlock(&data->open_mutex);

wake_up_interruptible(&data->read_wait);
return 0;
diff --git a/drivers/gpio/gpio-timberdale.c b/drivers/gpio/gpio-timberdale.c
index 181f86ce00cd..639c8daaeb31 100644
--- a/drivers/gpio/gpio-timberdale.c
+++ b/drivers/gpio/gpio-timberdale.c
@@ -55,9 +55,10 @@ static int timbgpio_update_bit(struct gpio_chip *gpio, unsigned index,
unsigned offset, bool enabled)
{
struct timbgpio *tgpio = gpiochip_get_data(gpio);
+ unsigned long flags;
u32 reg;

- spin_lock(&tgpio->lock);
+ spin_lock_irqsave(&tgpio->lock, flags);
reg = ioread32(tgpio->membase + offset);

if (enabled)
@@ -66,7 +67,7 @@ static int timbgpio_update_bit(struct gpio_chip *gpio, unsigned index,
reg &= ~(1 << index);

iowrite32(reg, tgpio->membase + offset);
- spin_unlock(&tgpio->lock);
+ spin_unlock_irqrestore(&tgpio->lock, flags);

return 0;
}
diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c
index 457ee42023f4..6c8aafec069c 100644
--- a/drivers/gpio/gpio-vf610.c
+++ b/drivers/gpio/gpio-vf610.c
@@ -137,14 +137,14 @@ static int vf610_gpio_direction_output(struct gpio_chip *chip, unsigned gpio,
unsigned long mask = BIT(gpio);
u32 val;

+ vf610_gpio_set(chip, gpio, value);
+
if (port->sdata && port->sdata->have_paddr) {
val = vf610_gpio_readl(port->gpio_base + GPIO_PDDR);
val |= mask;
vf610_gpio_writel(val, port->gpio_base + GPIO_PDDR);
}

- vf610_gpio_set(chip, gpio, value);
-
return pinctrl_gpio_direction_output(chip->base + gpio);
}

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
index 4fa091797656..f708c3752f3a 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
@@ -107,7 +107,7 @@ static int etnaviv_gem_prime_mmap_obj(struct etnaviv_gem_object *etnaviv_obj,
ret = dma_buf_mmap(etnaviv_obj->base.dma_buf, vma, 0);
if (!ret) {
/* Drop the reference acquired by drm_gem_mmap_obj(). */
- drm_gem_object_put(&etnaviv_obj->base);
+ drm_gem_object_put_unlocked(&etnaviv_obj->base);
}

return ret;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 996696ad6f98..3bb0a36260c2 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -1836,7 +1836,7 @@ static int vmw_cmd_tex_state(struct vmw_private *dev_priv,
} *cmd;

SVGA3dTextureState *last_state = (SVGA3dTextureState *)
- ((unsigned long) header + header->size + sizeof(header));
+ ((unsigned long) header + header->size + sizeof(*header));
SVGA3dTextureState *cur_state = (SVGA3dTextureState *)
((unsigned long) header + sizeof(struct vmw_tex_state_cmd));
struct vmw_resource_val_node *ctx_node;
diff --git a/drivers/hid/hid-holtek-kbd.c b/drivers/hid/hid-holtek-kbd.c
index 2f8eb6639744..72788ca260e0 100644
--- a/drivers/hid/hid-holtek-kbd.c
+++ b/drivers/hid/hid-holtek-kbd.c
@@ -133,6 +133,10 @@ static int holtek_kbd_input_event(struct input_dev *dev, unsigned int type,
return -ENODEV;

boot_hid = usb_get_intfdata(boot_interface);
+ if (list_empty(&boot_hid->inputs)) {
+ hid_err(hid, "no inputs found\n");
+ return -ENODEV;
+ }
boot_hid_input = list_first_entry(&boot_hid->inputs,
struct hid_input, list);

diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c
index 1588508b3e7b..5ebbde4852c4 100644
--- a/drivers/hid/hid-logitech-hidpp.c
+++ b/drivers/hid/hid-logitech-hidpp.c
@@ -3128,7 +3128,8 @@ static int hidpp_probe(struct hid_device *hdev, const struct hid_device_id *id)
/* Allow incoming packets */
hid_device_io_start(hdev);

- hidpp_connect_event(hidpp);
+ schedule_work(&hidpp->work);
+ flush_work(&hidpp->work);

return ret;

diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c
index 7ba31f6bf148..ad5fd357b2bc 100644
--- a/drivers/i2c/i2c-mux.c
+++ b/drivers/i2c/i2c-mux.c
@@ -334,7 +334,7 @@ int i2c_mux_add_adapter(struct i2c_mux_core *muxc,
priv->adap.lock_ops = &i2c_parent_lock_ops;

/* Sanity check on class */
- if (i2c_mux_parent_classes(parent) & class)
+ if (i2c_mux_parent_classes(parent) & class & ~I2C_CLASS_DEPRECATED)
dev_err(&parent->dev,
"Segment %d behind mux can't share classes with ancestors\n",
chan_id);
diff --git a/drivers/iio/pressure/bmp280-core.c b/drivers/iio/pressure/bmp280-core.c
index ae415b4e381a..0714da47a2f9 100644
--- a/drivers/iio/pressure/bmp280-core.c
+++ b/drivers/iio/pressure/bmp280-core.c
@@ -1050,7 +1050,7 @@ int bmp280_common_probe(struct device *dev,
* however as it happens, the BMP085 shares the chip ID of BMP180
* so we look for an IRQ if we have that.
*/
- if (irq > 0 || (chip_id == BMP180_CHIP_ID)) {
+ if (irq > 0 && (chip_id == BMP180_CHIP_ID)) {
ret = bmp085_fetch_eoc_irq(dev, name, irq, data);
if (ret)
goto out_disable_vdda;
diff --git a/drivers/iio/pressure/ms5611_core.c b/drivers/iio/pressure/ms5611_core.c
index b4b343c3bd87..5127c9b42dd9 100644
--- a/drivers/iio/pressure/ms5611_core.c
+++ b/drivers/iio/pressure/ms5611_core.c
@@ -79,7 +79,7 @@ static bool ms5611_prom_is_valid(u16 *prom, size_t len)

crc = (crc >> 12) & 0x000F;

- return crc_orig != 0x0000 && crc == crc_orig;
+ return crc == crc_orig;
}

static int ms5611_read_prom(struct iio_dev *indio_dev)
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 357960d48e66..2086844dfade 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -1902,6 +1902,9 @@ static int send_fw_act_open_req(struct c4iw_ep *ep, unsigned int atid)
int win;

skb = get_skb(NULL, sizeof(*req), GFP_KERNEL);
+ if (!skb)
+ return -ENOMEM;
+
req = __skb_put_zero(skb, sizeof(*req));
req->op_compl = htonl(WR_OP_V(FW_OFLD_CONNECTION_WR));
req->len16_pkd = htonl(FW_WR_LEN16_V(DIV_ROUND_UP(sizeof(*req), 16)));
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 9f503c1e74b4..1dbe30335458 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -269,6 +269,7 @@ static const struct xpad_device {
{ 0x1038, 0x1430, "SteelSeries Stratus Duo", 0, XTYPE_XBOX360 },
{ 0x1038, 0x1431, "SteelSeries Stratus Duo", 0, XTYPE_XBOX360 },
{ 0x11c9, 0x55f0, "Nacon GC-100XF", 0, XTYPE_XBOX360 },
+ { 0x11ff, 0x0511, "PXN V900", 0, XTYPE_XBOX360 },
{ 0x1209, 0x2882, "Ardwiino Controller", 0, XTYPE_XBOX360 },
{ 0x12ab, 0x0004, "Honey Bee Xbox360 dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
{ 0x12ab, 0x0301, "PDP AFTERGLOW AX.1", 0, XTYPE_XBOX360 },
@@ -463,6 +464,7 @@ static const struct usb_device_id xpad_table[] = {
XPAD_XBOXONE_VENDOR(0x0f0d), /* Hori Controllers */
XPAD_XBOX360_VENDOR(0x1038), /* SteelSeries Controllers */
XPAD_XBOX360_VENDOR(0x11c9), /* Nacon GC100XF */
+ XPAD_XBOX360_VENDOR(0x11ff), /* PXN V900 */
XPAD_XBOX360_VENDOR(0x1209), /* Ardwiino Controllers */
XPAD_XBOX360_VENDOR(0x12ab), /* X-Box 360 dance pads */
XPAD_XBOX360_VENDOR(0x1430), /* RedOctane X-Box 360 controllers */
diff --git a/drivers/input/misc/powermate.c b/drivers/input/misc/powermate.c
index 5c8c79623c87..eecaa40b4770 100644
--- a/drivers/input/misc/powermate.c
+++ b/drivers/input/misc/powermate.c
@@ -424,6 +424,7 @@ static void powermate_disconnect(struct usb_interface *intf)
pm->requires_update = 0;
usb_kill_urb(pm->irq);
input_unregister_device(pm->input);
+ usb_kill_urb(pm->config);
usb_free_urb(pm->irq);
usb_free_urb(pm->config);
powermate_free_buffers(interface_to_usbdev(intf), pm);
diff --git a/drivers/mcb/mcb-core.c b/drivers/mcb/mcb-core.c
index 7fd32b0183dc..6e7e91387f3c 100644
--- a/drivers/mcb/mcb-core.c
+++ b/drivers/mcb/mcb-core.c
@@ -392,17 +392,13 @@ EXPORT_SYMBOL_GPL(mcb_free_dev);

static int __mcb_bus_add_devices(struct device *dev, void *data)
{
- struct mcb_device *mdev = to_mcb_device(dev);
int retval;

- if (mdev->is_added)
- return 0;
-
retval = device_attach(dev);
- if (retval < 0)
+ if (retval < 0) {
dev_err(dev, "Error adding device (%d)\n", retval);
-
- mdev->is_added = true;
+ return retval;
+ }

return 0;
}
diff --git a/drivers/mcb/mcb-parse.c b/drivers/mcb/mcb-parse.c
index 3636349648b4..08a85e43ef88 100644
--- a/drivers/mcb/mcb-parse.c
+++ b/drivers/mcb/mcb-parse.c
@@ -98,8 +98,6 @@ static int chameleon_parse_gdd(struct mcb_bus *bus,
mdev->mem.end = mdev->mem.start + size - 1;
mdev->mem.flags = IORESOURCE_MEM;

- mdev->is_added = false;
-
ret = mcb_device_register(bus, mdev);
if (ret < 0)
goto err;
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 32bf0b47e339..48343effc850 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -98,7 +98,7 @@ static int mmc_decode_cid(struct mmc_card *card)
case 3: /* MMC v3.1 - v3.3 */
case 4: /* MMC v4 */
card->cid.manfid = UNSTUFF_BITS(resp, 120, 8);
- card->cid.oemid = UNSTUFF_BITS(resp, 104, 16);
+ card->cid.oemid = UNSTUFF_BITS(resp, 104, 8);
card->cid.prod_name[0] = UNSTUFF_BITS(resp, 96, 8);
card->cid.prod_name[1] = UNSTUFF_BITS(resp, 88, 8);
card->cid.prod_name[2] = UNSTUFF_BITS(resp, 80, 8);
diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c
index 3fd2dfaf2bd5..5150793492bf 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_common.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_common.c
@@ -1320,7 +1320,7 @@ void i40e_clear_hw(struct i40e_hw *hw)
I40E_PFLAN_QALLOC_FIRSTQ_SHIFT;
j = (val & I40E_PFLAN_QALLOC_LASTQ_MASK) >>
I40E_PFLAN_QALLOC_LASTQ_SHIFT;
- if (val & I40E_PFLAN_QALLOC_VALID_MASK)
+ if (val & I40E_PFLAN_QALLOC_VALID_MASK && j >= base_queue)
num_queues = (j - base_queue) + 1;
else
num_queues = 0;
@@ -1330,7 +1330,7 @@ void i40e_clear_hw(struct i40e_hw *hw)
I40E_PF_VT_PFALLOC_FIRSTVF_SHIFT;
j = (val & I40E_PF_VT_PFALLOC_LASTVF_MASK) >>
I40E_PF_VT_PFALLOC_LASTVF_SHIFT;
- if (val & I40E_PF_VT_PFALLOC_VALID_MASK)
+ if (val & I40E_PF_VT_PFALLOC_VALID_MASK && j >= i)
num_vfs = (j - i) + 1;
else
num_vfs = 0;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
index f36bb9e7d8d5..3698c45837d8 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
@@ -53,6 +53,9 @@ static inline void ixgbe_alloc_vf_macvlans(struct ixgbe_adapter *adapter,
struct vf_macvlans *mv_list;
int num_vf_macvlans, i;

+ /* Initialize list of VF macvlans */
+ INIT_LIST_HEAD(&adapter->vf_mvs.l);
+
num_vf_macvlans = hw->mac.num_rar_entries -
(IXGBE_MAX_PF_MACVLANS + 1 + num_vfs);
if (!num_vf_macvlans)
@@ -61,8 +64,6 @@ static inline void ixgbe_alloc_vf_macvlans(struct ixgbe_adapter *adapter,
mv_list = kcalloc(num_vf_macvlans, sizeof(struct vf_macvlans),
GFP_KERNEL);
if (mv_list) {
- /* Initialize list of VF macvlans */
- INIT_LIST_HEAD(&adapter->vf_mvs.l);
for (i = 0; i < num_vf_macvlans; i++) {
mv_list[i].vf = -1;
mv_list[i].free = true;
diff --git a/drivers/net/ethernet/marvell/sky2.h b/drivers/net/ethernet/marvell/sky2.h
index b02b6523083c..99451585a45f 100644
--- a/drivers/net/ethernet/marvell/sky2.h
+++ b/drivers/net/ethernet/marvell/sky2.h
@@ -2201,7 +2201,7 @@ struct rx_ring_info {
struct sk_buff *skb;
dma_addr_t data_addr;
DEFINE_DMA_UNMAP_LEN(data_size);
- dma_addr_t frag_addr[ETH_JUMBO_MTU >> PAGE_SHIFT];
+ dma_addr_t frag_addr[ETH_JUMBO_MTU >> PAGE_SHIFT ?: 1];
};

enum flow_control {
diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c
index 4ec65582eaf7..d903106436dc 100644
--- a/drivers/net/ieee802154/ca8210.c
+++ b/drivers/net/ieee802154/ca8210.c
@@ -2782,7 +2782,6 @@ static int ca8210_register_ext_clock(struct spi_device *spi)
struct device_node *np = spi->dev.of_node;
struct ca8210_priv *priv = spi_get_drvdata(spi);
struct ca8210_platform_data *pdata = spi->dev.platform_data;
- int ret = 0;

if (!np)
return -EFAULT;
@@ -2799,18 +2798,8 @@ static int ca8210_register_ext_clock(struct spi_device *spi)
dev_crit(&spi->dev, "Failed to register external clk\n");
return PTR_ERR(priv->clk);
}
- ret = of_clk_add_provider(np, of_clk_src_simple_get, priv->clk);
- if (ret) {
- clk_unregister(priv->clk);
- dev_crit(
- &spi->dev,
- "Failed to register external clock as clock provider\n"
- );
- } else {
- dev_info(&spi->dev, "External clock set as clock provider\n");
- }

- return ret;
+ return of_clk_add_provider(np, of_clk_src_simple_get, priv->clk);
}

/**
@@ -2822,8 +2811,8 @@ static void ca8210_unregister_ext_clock(struct spi_device *spi)
{
struct ca8210_priv *priv = spi_get_drvdata(spi);

- if (!priv->clk)
- return
+ if (IS_ERR_OR_NULL(priv->clk))
+ return;

of_clk_del_provider(spi->dev.of_node);
clk_unregister(priv->clk);
diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c
index 915ac75b55fc..5aad26600b03 100644
--- a/drivers/net/usb/dm9601.c
+++ b/drivers/net/usb/dm9601.c
@@ -221,13 +221,18 @@ static int dm9601_mdio_read(struct net_device *netdev, int phy_id, int loc)
struct usbnet *dev = netdev_priv(netdev);

__le16 res;
+ int err;

if (phy_id) {
netdev_dbg(dev->net, "Only internal phy supported\n");
return 0;
}

- dm_read_shared_word(dev, 1, loc, &res);
+ err = dm_read_shared_word(dev, 1, loc, &res);
+ if (err < 0) {
+ netdev_err(dev->net, "MDIO read error: %d\n", err);
+ return err;
+ }

netdev_dbg(dev->net,
"dm9601_mdio_read() phy_id=0x%02x, loc=0x%02x, returns=0x%04x\n",
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index b1e3ec3dcac3..e70eac578f5e 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -1054,7 +1054,7 @@ static int smsc95xx_reset(struct usbnet *dev)

if (timeout >= 100) {
netdev_warn(dev->net, "timeout waiting for completion of Lite Reset\n");
- return ret;
+ return -ETIMEDOUT;
}

ret = smsc95xx_write_reg(dev, PM_CTRL, PM_CTL_PHY_RST_);
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 213ce28395d4..4a0765bca8e7 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -143,6 +143,10 @@ int usb_device_supports_lpm(struct usb_device *udev)
if (udev->quirks & USB_QUIRK_NO_LPM)
return 0;

+ /* Skip if the device BOS descriptor couldn't be read */
+ if (!udev->bos)
+ return 0;
+
/* USB 2.1 (and greater) devices indicate LPM support through
* their USB 2.0 Extended Capabilities BOS descriptor.
*/
@@ -316,6 +320,10 @@ static void usb_set_lpm_parameters(struct usb_device *udev)
if (!udev->lpm_capable || udev->speed < USB_SPEED_SUPER)
return;

+ /* Skip if the device BOS descriptor couldn't be read */
+ if (!udev->bos)
+ return;
+
hub = usb_hub_to_struct_hub(udev->parent);
/* It doesn't take time to transition the roothub into U0, since it
* doesn't have an upstream link.
@@ -2621,7 +2629,8 @@ int usb_authorize_device(struct usb_device *usb_dev)
}

/*
- * Return 1 if port speed is SuperSpeedPlus, 0 otherwise
+ * Return 1 if port speed is SuperSpeedPlus, 0 otherwise or if the
+ * capability couldn't be checked.
* check it from the link protocol field of the current speed ID attribute.
* current speed ID is got from ext port status request. Sublink speed attribute
* table is returned with the hub BOS SSP device capability descriptor
@@ -2631,8 +2640,12 @@ static int port_speed_is_ssp(struct usb_device *hdev, int speed_id)
int ssa_count;
u32 ss_attr;
int i;
- struct usb_ssp_cap_descriptor *ssp_cap = hdev->bos->ssp_cap;
+ struct usb_ssp_cap_descriptor *ssp_cap;

+ if (!hdev->bos)
+ return 0;
+
+ ssp_cap = hdev->bos->ssp_cap;
if (!ssp_cap)
return 0;

@@ -3968,8 +3981,15 @@ static void usb_enable_link_state(struct usb_hcd *hcd, struct usb_device *udev,
enum usb3_link_state state)
{
int timeout, ret;
- __u8 u1_mel = udev->bos->ss_cap->bU1devExitLat;
- __le16 u2_mel = udev->bos->ss_cap->bU2DevExitLat;
+ __u8 u1_mel;
+ __le16 u2_mel;
+
+ /* Skip if the device BOS descriptor couldn't be read */
+ if (!udev->bos)
+ return;
+
+ u1_mel = udev->bos->ss_cap->bU1devExitLat;
+ u2_mel = udev->bos->ss_cap->bU2DevExitLat;

/* If the device says it doesn't have *any* exit latency to come out of
* U1 or U2, it's probably lying. Assume it doesn't implement that link
diff --git a/drivers/usb/core/hub.h b/drivers/usb/core/hub.h
index 064096e447ae..127303be41af 100644
--- a/drivers/usb/core/hub.h
+++ b/drivers/usb/core/hub.h
@@ -145,7 +145,7 @@ static inline int hub_is_superspeedplus(struct usb_device *hdev)
{
return (hdev->descriptor.bDeviceProtocol == USB_HUB_PR_SS &&
le16_to_cpu(hdev->descriptor.bcdUSB) >= 0x0310 &&
- hdev->bos->ssp_cap);
+ hdev->bos && hdev->bos->ssp_cap);
}

static inline unsigned hub_power_on_good_delay(struct usb_hub *hub)
diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c
index 24a8e01e34fa..47d1f4e960cb 100644
--- a/drivers/usb/gadget/function/f_ncm.c
+++ b/drivers/usb/gadget/function/f_ncm.c
@@ -1201,7 +1201,8 @@ static int ncm_unwrap_ntb(struct gether *port,
struct sk_buff_head *list)
{
struct f_ncm *ncm = func_to_ncm(&port->func);
- __le16 *tmp = (void *) skb->data;
+ unsigned char *ntb_ptr = skb->data;
+ __le16 *tmp;
unsigned index, index2;
int ndp_index;
unsigned dg_len, dg_len2;
@@ -1214,6 +1215,10 @@ static int ncm_unwrap_ntb(struct gether *port,
const struct ndp_parser_opts *opts = ncm->parser_opts;
unsigned crc_len = ncm->is_crc ? sizeof(uint32_t) : 0;
int dgram_counter;
+ int to_process = skb->len;
+
+parse_ntb:
+ tmp = (__le16 *)ntb_ptr;

/* dwSignature */
if (get_unaligned_le32(tmp) != opts->nth_sign) {
@@ -1260,7 +1265,7 @@ static int ncm_unwrap_ntb(struct gether *port,
* walk through NDP
* dwSignature
*/
- tmp = (void *)(skb->data + ndp_index);
+ tmp = (__le16 *)(ntb_ptr + ndp_index);
if (get_unaligned_le32(tmp) != ncm->ndp_sign) {
INFO(port->func.config->cdev, "Wrong NDP SIGN\n");
goto err;
@@ -1317,11 +1322,11 @@ static int ncm_unwrap_ntb(struct gether *port,
if (ncm->is_crc) {
uint32_t crc, crc2;

- crc = get_unaligned_le32(skb->data +
+ crc = get_unaligned_le32(ntb_ptr +
index + dg_len -
crc_len);
crc2 = ~crc32_le(~0,
- skb->data + index,
+ ntb_ptr + index,
dg_len - crc_len);
if (crc != crc2) {
INFO(port->func.config->cdev,
@@ -1348,7 +1353,7 @@ static int ncm_unwrap_ntb(struct gether *port,
dg_len - crc_len);
if (skb2 == NULL)
goto err;
- skb_put_data(skb2, skb->data + index,
+ skb_put_data(skb2, ntb_ptr + index,
dg_len - crc_len);

skb_queue_tail(list, skb2);
@@ -1361,10 +1366,17 @@ static int ncm_unwrap_ntb(struct gether *port,
} while (ndp_len > 2 * (opts->dgram_item_len * 2));
} while (ndp_index);

- dev_consume_skb_any(skb);
-
VDBG(port->func.config->cdev,
"Parsed NTB with %d frames\n", dgram_counter);
+
+ to_process -= block_len;
+ if (to_process != 0) {
+ ntb_ptr = (unsigned char *)(ntb_ptr + block_len);
+ goto parse_ntb;
+ }
+
+ dev_consume_skb_any(skb);
+
return 0;
err:
skb_queue_purge(list);
diff --git a/drivers/usb/gadget/udc/udc-xilinx.c b/drivers/usb/gadget/udc/udc-xilinx.c
index c2e396e00492..11ad940e25e3 100644
--- a/drivers/usb/gadget/udc/udc-xilinx.c
+++ b/drivers/usb/gadget/udc/udc-xilinx.c
@@ -501,11 +501,13 @@ static int xudc_eptxrx(struct xusb_ep *ep, struct xusb_req *req,
/* Get the Buffer address and copy the transmit data.*/
eprambase = (u32 __force *)(udc->addr + ep->rambase);
if (ep->is_in) {
- memcpy(eprambase, bufferptr, bytestosend);
+ memcpy_toio((void __iomem *)eprambase, bufferptr,
+ bytestosend);
udc->write_fn(udc->addr, ep->offset +
XUSB_EP_BUF0COUNT_OFFSET, bufferlen);
} else {
- memcpy(bufferptr, eprambase, bytestosend);
+ memcpy_toio((void __iomem *)bufferptr, eprambase,
+ bytestosend);
}
/*
* Enable the buffer for transmission.
@@ -519,11 +521,13 @@ static int xudc_eptxrx(struct xusb_ep *ep, struct xusb_req *req,
eprambase = (u32 __force *)(udc->addr + ep->rambase +
ep->ep_usb.maxpacket);
if (ep->is_in) {
- memcpy(eprambase, bufferptr, bytestosend);
+ memcpy_toio((void __iomem *)eprambase, bufferptr,
+ bytestosend);
udc->write_fn(udc->addr, ep->offset +
XUSB_EP_BUF1COUNT_OFFSET, bufferlen);
} else {
- memcpy(bufferptr, eprambase, bytestosend);
+ memcpy_toio((void __iomem *)bufferptr, eprambase,
+ bytestosend);
}
/*
* Enable the buffer for transmission.
@@ -1027,7 +1031,7 @@ static int __xudc_ep0_queue(struct xusb_ep *ep0, struct xusb_req *req)
udc->addr);
length = req->usb_req.actual = min_t(u32, length,
EP0_MAX_PACKET);
- memcpy(corebuf, req->usb_req.buf, length);
+ memcpy_toio((void __iomem *)corebuf, req->usb_req.buf, length);
udc->write_fn(udc->addr, XUSB_EP_BUF0COUNT_OFFSET, length);
udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, 1);
} else {
@@ -1753,7 +1757,7 @@ static void xudc_handle_setup(struct xusb_udc *udc)

/* Load up the chapter 9 command buffer.*/
ep0rambase = (u32 __force *) (udc->addr + XUSB_SETUP_PKT_ADDR_OFFSET);
- memcpy(&setup, ep0rambase, 8);
+ memcpy_toio((void __iomem *)&setup, ep0rambase, 8);

udc->setup = setup;
udc->setup.wValue = cpu_to_le16(setup.wValue);
@@ -1840,7 +1844,7 @@ static void xudc_ep0_out(struct xusb_udc *udc)
(ep0->rambase << 2));
buffer = req->usb_req.buf + req->usb_req.actual;
req->usb_req.actual = req->usb_req.actual + bytes_to_rx;
- memcpy(buffer, ep0rambase, bytes_to_rx);
+ memcpy_toio((void __iomem *)buffer, ep0rambase, bytes_to_rx);

if (req->usb_req.length == req->usb_req.actual) {
/* Data transfer completed get ready for Status stage */
@@ -1916,7 +1920,7 @@ static void xudc_ep0_in(struct xusb_udc *udc)
(ep0->rambase << 2));
buffer = req->usb_req.buf + req->usb_req.actual;
req->usb_req.actual = req->usb_req.actual + length;
- memcpy(ep0rambase, buffer, length);
+ memcpy_toio((void __iomem *)ep0rambase, buffer, length);
}
udc->write_fn(udc->addr, XUSB_EP_BUF0COUNT_OFFSET, count);
udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, 1);
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index abb1cc5f566a..63ea58e64774 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -700,7 +700,7 @@ static void xhci_giveback_urb_in_irq(struct xhci_hcd *xhci,
static void xhci_unmap_td_bounce_buffer(struct xhci_hcd *xhci,
struct xhci_ring *ring, struct xhci_td *td)
{
- struct device *dev = xhci_to_hcd(xhci)->self.controller;
+ struct device *dev = xhci_to_hcd(xhci)->self.sysdev;
struct xhci_segment *seg = td->bounce_seg;
struct urb *urb = td->urb;
size_t len;
@@ -3272,7 +3272,7 @@ static u32 xhci_td_remainder(struct xhci_hcd *xhci, int transferred,
static int xhci_align_td(struct xhci_hcd *xhci, struct urb *urb, u32 enqd_len,
u32 *trb_buff_len, struct xhci_segment *seg)
{
- struct device *dev = xhci_to_hcd(xhci)->self.controller;
+ struct device *dev = xhci_to_hcd(xhci)->self.sysdev;
unsigned int unalign;
unsigned int max_pkt;
u32 new_buff_len;
diff --git a/drivers/usb/musb/musb_debugfs.c b/drivers/usb/musb/musb_debugfs.c
index 480b2119f1e7..20bc4d1f85b1 100644
--- a/drivers/usb/musb/musb_debugfs.c
+++ b/drivers/usb/musb/musb_debugfs.c
@@ -64,7 +64,7 @@ static const struct musb_register_map musb_regmap[] = {
{ "IntrUsbE", MUSB_INTRUSBE, 8 },
{ "DevCtl", MUSB_DEVCTL, 8 },
{ "VControl", 0x68, 32 },
- { "HWVers", 0x69, 16 },
+ { "HWVers", MUSB_HWVERS, 16 },
{ "LinkInfo", MUSB_LINKINFO, 8 },
{ "VPLen", MUSB_VPLEN, 8 },
{ "HS_EOF1", MUSB_HS_EOF1, 8 },
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 3ec0752e67ac..3ac80ef76d31 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -366,10 +366,16 @@ static void musb_advance_schedule(struct musb *musb, struct urb *urb,
musb_giveback(musb, urb, status);
qh->is_ready = ready;

+ /*
+ * musb->lock had been unlocked in musb_giveback, so qh may
+ * be freed, need to get it again
+ */
+ qh = musb_ep_get_qh(hw_ep, is_in);
+
/* reclaim resources (and bandwidth) ASAP; deschedule it, and
* invalidate qh as soon as list_empty(&hep->urb_list)
*/
- if (list_empty(&qh->hep->urb_list)) {
+ if (qh && list_empty(&qh->hep->urb_list)) {
struct list_head *head;
struct dma_controller *dma = musb->dma_controller;

@@ -2459,6 +2465,7 @@ static int musb_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
* and its URB list has emptied, recycle this qh.
*/
if (ready && list_empty(&qh->hep->urb_list)) {
+ musb_ep_set_qh(qh->hw_ep, is_in, NULL);
qh->hep->hcpriv = NULL;
list_del(&qh->ring);
kfree(qh);
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 8792aca5bc27..43a812f4edb6 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -206,6 +206,9 @@ static void option_instat_callback(struct urb *urb);
#define DELL_PRODUCT_5829E_ESIM 0x81e4
#define DELL_PRODUCT_5829E 0x81e6

+#define DELL_PRODUCT_FM101R 0x8213
+#define DELL_PRODUCT_FM101R_ESIM 0x8215
+
#define KYOCERA_VENDOR_ID 0x0c88
#define KYOCERA_PRODUCT_KPC650 0x17da
#define KYOCERA_PRODUCT_KPC680 0x180a
@@ -1111,6 +1114,8 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(0) | RSVD(6) },
{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5829E_ESIM),
.driver_info = RSVD(0) | RSVD(6) },
+ { USB_DEVICE_INTERFACE_CLASS(DELL_VENDOR_ID, DELL_PRODUCT_FM101R, 0xff) },
+ { USB_DEVICE_INTERFACE_CLASS(DELL_VENDOR_ID, DELL_PRODUCT_FM101R_ESIM, 0xff) },
{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) }, /* ADU-E100, ADU-310 */
{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_620UW) },
@@ -1293,6 +1298,7 @@ static const struct usb_device_id option_ids[] = {
.driver_info = NCTRL(0) | RSVD(3) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1033, 0xff), /* Telit LE910C1-EUX (ECM) */
.driver_info = NCTRL(0) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1035, 0xff) }, /* Telit LE910C4-WWX (ECM) */
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG0),
.driver_info = RSVD(0) | RSVD(1) | NCTRL(2) | RSVD(3) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG1),
@@ -2264,6 +2270,7 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1406, 0xff) }, /* GosunCn GM500 ECM/NCM */
{ USB_DEVICE_AND_INTERFACE_INFO(OPPO_VENDOR_ID, OPPO_PRODUCT_R11, 0xff, 0xff, 0x30) },
{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0xff, 0x30) },
+ { USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0xff, 0x40) },
{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0, 0) },
{ USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, TOZED_PRODUCT_LT70C, 0xff, 0, 0) },
{ } /* Terminating entry */
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 2407a231d9ad..f73a1438a6ac 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -4191,7 +4191,7 @@ static int btrfs_log_prealloc_extents(struct btrfs_trans_handle *trans,
struct extent_buffer *leaf;
int slot;
int ins_nr = 0;
- int start_slot;
+ int start_slot = 0;
int ret;

if (!(inode->flags & BTRFS_INODE_PREALLOC))
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 90db2cd07840..4dd7c77dcf9e 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -615,9 +615,7 @@ int ceph_fill_file_size(struct inode *inode, int issued,
ci->i_truncate_seq = truncate_seq;

/* the MDS should have revoked these caps */
- WARN_ON_ONCE(issued & (CEPH_CAP_FILE_EXCL |
- CEPH_CAP_FILE_RD |
- CEPH_CAP_FILE_WR |
+ WARN_ON_ONCE(issued & (CEPH_CAP_FILE_RD |
CEPH_CAP_FILE_LAZYIO));
/*
* If we hold relevant caps, or in the case where we're
diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c
index f3ed80e2966c..4a5b0f3c6af3 100644
--- a/fs/overlayfs/copy_up.c
+++ b/fs/overlayfs/copy_up.c
@@ -201,7 +201,7 @@ static int ovl_set_timestamps(struct dentry *upperdentry, struct kstat *stat)
{
struct iattr attr = {
.ia_valid =
- ATTR_ATIME | ATTR_MTIME | ATTR_ATIME_SET | ATTR_MTIME_SET,
+ ATTR_ATIME | ATTR_MTIME | ATTR_ATIME_SET | ATTR_MTIME_SET | ATTR_CTIME,
.ia_atime = stat->atime,
.ia_mtime = stat->mtime,
};
diff --git a/include/linux/mcb.h b/include/linux/mcb.h
index b1a0ad9d23b3..8052e5f20630 100644
--- a/include/linux/mcb.h
+++ b/include/linux/mcb.h
@@ -66,7 +66,6 @@ static inline struct mcb_bus *to_mcb_bus(struct device *dev)
struct mcb_device {
struct device dev;
struct mcb_bus *bus;
- bool is_added;
struct mcb_driver *driver;
u16 id;
int inst;
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index e175d5e3acd6..bcc80855f681 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -579,6 +579,7 @@ struct perf_event {
/* The cumulative AND of all event_caps for events in this group. */
int group_caps;

+ unsigned int group_generation;
struct perf_event *group_leader;
struct pmu *pmu;
void *pmu_private;
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index d42288a06af6..8f899ad4a754 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -205,7 +205,7 @@ struct hci_dev {
struct list_head list;
struct mutex lock;

- char name[8];
+ const char *name;
unsigned long flags;
__u16 id;
__u8 bus;
diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h
index 9991e5ef52cc..e3775b260bb3 100644
--- a/include/net/netns/xfrm.h
+++ b/include/net/netns/xfrm.h
@@ -48,6 +48,7 @@ struct netns_xfrm {
struct list_head policy_all;
struct hlist_head *policy_byidx;
unsigned int policy_idx_hmask;
+ unsigned int idx_generator;
struct hlist_head policy_inexact[XFRM_POLICY_MAX];
struct xfrm_policy_hash policy_bydst[XFRM_POLICY_MAX];
unsigned int policy_count[XFRM_POLICY_MAX * 2];
diff --git a/kernel/cgroup/cgroup-v1.c b/kernel/cgroup/cgroup-v1.c
index a14182e90f57..73a793be0612 100644
--- a/kernel/cgroup/cgroup-v1.c
+++ b/kernel/cgroup/cgroup-v1.c
@@ -392,10 +392,9 @@ static int pidlist_array_load(struct cgroup *cgrp, enum cgroup_filetype type,
}
css_task_iter_end(&it);
length = n;
- /* now sort & (if procs) strip out duplicates */
+ /* now sort & strip out duplicates (tgids or recycled thread PIDs) */
sort(array, length, sizeof(pid_t), cmppid, NULL);
- if (type == CGROUP_FILE_PROCS)
- length = pidlist_uniq(array, length);
+ length = pidlist_uniq(array, length);

l = cgroup_pidlist_find_create(cgrp, type);
if (!l) {
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 6e15f3a9696a..7ece49c14b74 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -1699,6 +1699,7 @@ static void perf_group_attach(struct perf_event *event)

list_add_tail(&event->group_entry, &group_leader->sibling_list);
group_leader->nr_siblings++;
+ group_leader->group_generation++;

perf_event__header_size(group_leader);

@@ -1771,6 +1772,7 @@ static void perf_group_detach(struct perf_event *event)
if (event->group_leader != event) {
list_del_init(&event->group_entry);
event->group_leader->nr_siblings--;
+ event->group_leader->group_generation++;
goto out;
}

@@ -4483,7 +4485,7 @@ static int __perf_read_group_add(struct perf_event *leader,
u64 read_format, u64 *values)
{
struct perf_event_context *ctx = leader->ctx;
- struct perf_event *sub;
+ struct perf_event *sub, *parent;
unsigned long flags;
int n = 1; /* skip @nr */
int ret;
@@ -4493,6 +4495,33 @@ static int __perf_read_group_add(struct perf_event *leader,
return ret;

raw_spin_lock_irqsave(&ctx->lock, flags);
+ /*
+ * Verify the grouping between the parent and child (inherited)
+ * events is still in tact.
+ *
+ * Specifically:
+ * - leader->ctx->lock pins leader->sibling_list
+ * - parent->child_mutex pins parent->child_list
+ * - parent->ctx->mutex pins parent->sibling_list
+ *
+ * Because parent->ctx != leader->ctx (and child_list nests inside
+ * ctx->mutex), group destruction is not atomic between children, also
+ * see perf_event_release_kernel(). Additionally, parent can grow the
+ * group.
+ *
+ * Therefore it is possible to have parent and child groups in a
+ * different configuration and summing over such a beast makes no sense
+ * what so ever.
+ *
+ * Reject this.
+ */
+ parent = leader->parent;
+ if (parent &&
+ (parent->group_generation != leader->group_generation ||
+ parent->nr_siblings != leader->nr_siblings)) {
+ ret = -ECHILD;
+ goto unlock;
+ }

/*
* Since we co-schedule groups, {enabled,running} times of siblings
@@ -4522,8 +4551,9 @@ static int __perf_read_group_add(struct perf_event *leader,
values[n++] = primary_event_id(sub);
}

+unlock:
raw_spin_unlock_irqrestore(&ctx->lock, flags);
- return 0;
+ return ret;
}

static int perf_read_group(struct perf_event *event,
@@ -4542,10 +4572,6 @@ static int perf_read_group(struct perf_event *event,

values[0] = 1 + leader->nr_siblings;

- /*
- * By locking the child_mutex of the leader we effectively
- * lock the child list of all siblings.. XXX explain how.
- */
mutex_lock(&leader->child_mutex);

ret = __perf_read_group_add(leader, read_format, values);
@@ -11033,6 +11059,7 @@ static int inherit_group(struct perf_event *parent_event,
if (IS_ERR(child_ctr))
return PTR_ERR(child_ctr);
}
+ leader->group_generation = parent_event->group_generation;
return 0;
}

diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 37be6913cfb2..f29552b009c8 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -2240,6 +2240,7 @@ void trace_event_eval_update(struct trace_eval_map **map, int len)
update_event_printk(call, map[i]);
}
}
+ cond_resched();
}
up_write(&trace_event_sem);
}
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 87eca8d1faad..69238bc8be50 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -5001,9 +5001,13 @@ static int workqueue_apply_unbound_cpumask(void)
list_for_each_entry(wq, &workqueues, list) {
if (!(wq->flags & WQ_UNBOUND))
continue;
+
/* creating multiple pwqs breaks ordering guarantee */
- if (wq->flags & __WQ_ORDERED)
- continue;
+ if (!list_empty(&wq->pwqs)) {
+ if (wq->flags & __WQ_ORDERED_EXPLICIT)
+ continue;
+ wq->flags &= ~__WQ_ORDERED;
+ }

ctx = apply_wqattrs_prepare(wq, wq->unbound_attrs);
if (!ctx) {
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index e3cd81ce2a7b..ce4bbc426946 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -1085,6 +1085,15 @@ struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst,
return ERR_PTR(-EOPNOTSUPP);
}

+ /* Reject outgoing connection to device with same BD ADDR against
+ * CVE-2020-26555
+ */
+ if (!bacmp(&hdev->bdaddr, dst)) {
+ bt_dev_dbg(hdev, "Reject connection with same BD_ADDR %pMR\n",
+ dst);
+ return ERR_PTR(-ECONNREFUSED);
+ }
+
acl = hci_conn_hash_lookup_ba(hdev, ACL_LINK, dst);
if (!acl) {
acl = hci_conn_add(hdev, ACL_LINK, dst, HCI_ROLE_MASTER);
@@ -1260,34 +1269,41 @@ int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type,
if (!test_bit(HCI_CONN_AUTH, &conn->flags))
goto auth;

- /* An authenticated FIPS approved combination key has sufficient
- * security for security level 4. */
- if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256 &&
- sec_level == BT_SECURITY_FIPS)
- goto encrypt;
-
- /* An authenticated combination key has sufficient security for
- security level 3. */
- if ((conn->key_type == HCI_LK_AUTH_COMBINATION_P192 ||
- conn->key_type == HCI_LK_AUTH_COMBINATION_P256) &&
- sec_level == BT_SECURITY_HIGH)
- goto encrypt;
-
- /* An unauthenticated combination key has sufficient security for
- security level 1 and 2. */
- if ((conn->key_type == HCI_LK_UNAUTH_COMBINATION_P192 ||
- conn->key_type == HCI_LK_UNAUTH_COMBINATION_P256) &&
- (sec_level == BT_SECURITY_MEDIUM || sec_level == BT_SECURITY_LOW))
- goto encrypt;
-
- /* A combination key has always sufficient security for the security
- levels 1 or 2. High security level requires the combination key
- is generated using maximum PIN code length (16).
- For pre 2.1 units. */
- if (conn->key_type == HCI_LK_COMBINATION &&
- (sec_level == BT_SECURITY_MEDIUM || sec_level == BT_SECURITY_LOW ||
- conn->pin_length == 16))
- goto encrypt;
+ switch (conn->key_type) {
+ case HCI_LK_AUTH_COMBINATION_P256:
+ /* An authenticated FIPS approved combination key has
+ * sufficient security for security level 4 or lower.
+ */
+ if (sec_level <= BT_SECURITY_FIPS)
+ goto encrypt;
+ break;
+ case HCI_LK_AUTH_COMBINATION_P192:
+ /* An authenticated combination key has sufficient security for
+ * security level 3 or lower.
+ */
+ if (sec_level <= BT_SECURITY_HIGH)
+ goto encrypt;
+ break;
+ case HCI_LK_UNAUTH_COMBINATION_P192:
+ case HCI_LK_UNAUTH_COMBINATION_P256:
+ /* An unauthenticated combination key has sufficient security
+ * for security level 2 or lower.
+ */
+ if (sec_level <= BT_SECURITY_MEDIUM)
+ goto encrypt;
+ break;
+ case HCI_LK_COMBINATION:
+ /* A combination key has always sufficient security for the
+ * security levels 2 or lower. High security level requires the
+ * combination key is generated using maximum PIN code length
+ * (16). For pre 2.1 units.
+ */
+ if (sec_level <= BT_SECURITY_MEDIUM || conn->pin_length == 16)
+ goto encrypt;
+ break;
+ default:
+ break;
+ }

auth:
if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 7052434c1061..2bf0bdee7186 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -3113,7 +3113,11 @@ int hci_register_dev(struct hci_dev *hdev)
if (id < 0)
return id;

- snprintf(hdev->name, sizeof(hdev->name), "hci%d", id);
+ error = dev_set_name(&hdev->dev, "hci%u", id);
+ if (error)
+ return error;
+
+ hdev->name = dev_name(&hdev->dev);
hdev->id = id;

BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);
@@ -3135,8 +3139,6 @@ int hci_register_dev(struct hci_dev *hdev)
if (!IS_ERR_OR_NULL(bt_debugfs))
hdev->debugfs = debugfs_create_dir(hdev->name, bt_debugfs);

- dev_set_name(&hdev->dev, "%s", hdev->name);
-
error = device_add(&hdev->dev);
if (error < 0)
goto err_wqueue;
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 4eeba9dfb38f..bf863cf845bb 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -25,6 +25,8 @@
/* Bluetooth HCI event handling. */

#include <asm/unaligned.h>
+#include <linux/crypto.h>
+#include <crypto/algapi.h>

#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
@@ -2247,6 +2249,16 @@ static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
ev->link_type);

+ /* Reject incoming connection from device with same BD ADDR against
+ * CVE-2020-26555
+ */
+ if (hdev && !bacmp(&hdev->bdaddr, &ev->bdaddr)) {
+ bt_dev_dbg(hdev, "Reject connection with same BD_ADDR %pMR\n",
+ &ev->bdaddr);
+ hci_reject_conn(hdev, &ev->bdaddr);
+ return;
+ }
+
mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
&flags);

@@ -3494,6 +3506,15 @@ static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
if (!conn)
goto unlock;

+ /* Ignore NULL link key against CVE-2020-26555 */
+ if (!crypto_memneq(ev->link_key, ZERO_KEY, HCI_LINK_KEY_SIZE)) {
+ bt_dev_dbg(hdev, "Ignore NULL link key (ZERO KEY) for %pMR",
+ &ev->bdaddr);
+ hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
+ hci_conn_drop(conn);
+ goto unlock;
+ }
+
hci_conn_hold(conn);
conn->disc_timeout = HCI_DISCONN_TIMEOUT;
hci_conn_drop(conn);
@@ -3972,8 +3993,8 @@ static u8 bredr_oob_data_present(struct hci_conn *conn)
* available, then do not declare that OOB data is
* present.
*/
- if (!memcmp(data->rand256, ZERO_KEY, 16) ||
- !memcmp(data->hash256, ZERO_KEY, 16))
+ if (!crypto_memneq(data->rand256, ZERO_KEY, 16) ||
+ !crypto_memneq(data->hash256, ZERO_KEY, 16))
return 0x00;

return 0x02;
@@ -3983,8 +4004,8 @@ static u8 bredr_oob_data_present(struct hci_conn *conn)
* not supported by the hardware, then check that if
* P-192 data values are present.
*/
- if (!memcmp(data->rand192, ZERO_KEY, 16) ||
- !memcmp(data->hash192, ZERO_KEY, 16))
+ if (!crypto_memneq(data->rand192, ZERO_KEY, 16) ||
+ !crypto_memneq(data->hash192, ZERO_KEY, 16))
return 0x00;

return 0x01;
@@ -4000,7 +4021,7 @@ static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
hci_dev_lock(hdev);

conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
- if (!conn)
+ if (!conn || !hci_conn_ssp_enabled(conn))
goto unlock;

hci_conn_hold(conn);
@@ -4235,7 +4256,7 @@ static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
hci_dev_lock(hdev);

conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
- if (!conn)
+ if (!conn || !hci_conn_ssp_enabled(conn))
goto unlock;

/* Reset the authentication requirement to unknown */
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 9b1658346396..b67fc4c44afa 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -425,7 +425,8 @@ static struct sk_buff *create_monitor_event(struct hci_dev *hdev, int event)
ni->type = hdev->dev_type;
ni->bus = hdev->bus;
bacpy(&ni->bdaddr, &hdev->bdaddr);
- memcpy(ni->name, hdev->name, 8);
+ memcpy_and_pad(ni->name, sizeof(ni->name), hdev->name,
+ strnlen(hdev->name, sizeof(ni->name)), '\0');

opcode = cpu_to_le16(HCI_MON_NEW_INDEX);
break;
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index d5e860573ecd..79fa2d7852ef 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -547,7 +547,9 @@ static inline int esp_remove_trailer(struct sk_buff *skb)
skb->csum = csum_block_sub(skb->csum, csumdiff,
skb->len - trimlen);
}
- pskb_trim(skb, skb->len - trimlen);
+ ret = pskb_trim(skb, skb->len - trimlen);
+ if (unlikely(ret))
+ return ret;

ret = nexthdr[1];

diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index e19624245e16..25c12d0ccd28 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -499,7 +499,9 @@ static inline int esp_remove_trailer(struct sk_buff *skb)
skb->csum = csum_block_sub(skb->csum, csumdiff,
skb->len - trimlen);
}
- pskb_trim(skb, skb->len - trimlen);
+ ret = pskb_trim(skb, skb->len - trimlen);
+ if (unlikely(ret))
+ return ret;

ret = nexthdr[1];

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 7e62a55a03de..3914214dee05 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -650,7 +650,8 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
}

if (unlikely(tx->key && tx->key->flags & KEY_FLAG_TAINTED &&
- !ieee80211_is_deauth(hdr->frame_control)))
+ !ieee80211_is_deauth(hdr->frame_control)) &&
+ tx->skb->protocol != tx->sdata->control_port_protocol)
return TX_DROP;

if (!skip_hw && tx->key &&
diff --git a/net/netfilter/nft_payload.c b/net/netfilter/nft_payload.c
index 77cfd5182784..0ef51c81ec94 100644
--- a/net/netfilter/nft_payload.c
+++ b/net/netfilter/nft_payload.c
@@ -84,7 +84,7 @@ static void nft_payload_eval(const struct nft_expr *expr,

switch (priv->base) {
case NFT_PAYLOAD_LL_HEADER:
- if (!skb_mac_header_was_set(skb))
+ if (!skb_mac_header_was_set(skb) || skb_mac_header_len(skb) == 0)
goto err;

if (skb_vlan_tag_present(skb)) {
diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
index 216228c39acb..d42c603dd635 100644
--- a/net/nfc/nci/core.c
+++ b/net/nfc/nci/core.c
@@ -906,6 +906,11 @@ static int nci_activate_target(struct nfc_dev *nfc_dev,
return -EINVAL;
}

+ if (protocol >= NFC_PROTO_MAX) {
+ pr_err("the requested nfc protocol is invalid\n");
+ return -EINVAL;
+ }
+
if (!(nci_target->supported_protocols & (1 << protocol))) {
pr_err("target does not support the requested protocol 0x%x\n",
protocol);
diff --git a/net/nfc/nci/spi.c b/net/nfc/nci/spi.c
index 452f4c16b7a9..d2de7fc226f0 100644
--- a/net/nfc/nci/spi.c
+++ b/net/nfc/nci/spi.c
@@ -163,6 +163,8 @@ static int send_acknowledge(struct nci_spi *nspi, u8 acknowledge)
int ret;

skb = nci_skb_alloc(nspi->ndev, 0, GFP_KERNEL);
+ if (!skb)
+ return -ENOMEM;

/* add the NCI SPI header to the start of the buffer */
hdr = skb_push(skb, NCI_SPI_HDR_LEN);
diff --git a/net/rfkill/rfkill-gpio.c b/net/rfkill/rfkill-gpio.c
index 00192a996be0..f8f3b1a8f8e3 100644
--- a/net/rfkill/rfkill-gpio.c
+++ b/net/rfkill/rfkill-gpio.c
@@ -111,13 +111,13 @@ static int rfkill_gpio_probe(struct platform_device *pdev)

rfkill->clk = devm_clk_get(&pdev->dev, NULL);

- gpio = devm_gpiod_get_optional(&pdev->dev, "reset", GPIOD_OUT_LOW);
+ gpio = devm_gpiod_get_optional(&pdev->dev, "reset", GPIOD_ASIS);
if (IS_ERR(gpio))
return PTR_ERR(gpio);

rfkill->reset_gpio = gpio;

- gpio = devm_gpiod_get_optional(&pdev->dev, "shutdown", GPIOD_OUT_LOW);
+ gpio = devm_gpiod_get_optional(&pdev->dev, "shutdown", GPIOD_ASIS);
if (IS_ERR(gpio))
return PTR_ERR(gpio);

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 7085c54e6e50..b4b564182db0 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -6159,7 +6159,7 @@ static int nl80211_update_mesh_config(struct sk_buff *skb,
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = dev->ieee80211_ptr;
- struct mesh_config cfg;
+ struct mesh_config cfg = {};
u32 mask;
int err;

diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 66c23a1b8758..05844a0f6df5 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -646,8 +646,6 @@ EXPORT_SYMBOL(xfrm_policy_hash_rebuild);
* of an absolute inpredictability of ordering of rules. This will not pass. */
static u32 xfrm_gen_index(struct net *net, int dir, u32 index)
{
- static u32 idx_generator;
-
for (;;) {
struct hlist_head *list;
struct xfrm_policy *p;
@@ -655,8 +653,8 @@ static u32 xfrm_gen_index(struct net *net, int dir, u32 index)
int found;

if (!index) {
- idx = (idx_generator | dir);
- idx_generator += 8;
+ idx = (net->xfrm.idx_generator | dir);
+ net->xfrm.idx_generator += 8;
} else {
idx = index;
index = 0;