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Message-ID: <2025090412-massager-kitchen-01f8@gregkh>
Date: Thu, 4 Sep 2025 17:10:12 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org,
akpm@...ux-foundation.org,
torvalds@...ux-foundation.org,
stable@...r.kernel.org
Cc: lwn@....net,
jslaby@...e.cz,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: Linux 5.4.298
diff --git a/Makefile b/Makefile
index 3a6324569093..39b0ac41f636 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 4
-SUBLEVEL = 297
+SUBLEVEL = 298
EXTRAVERSION =
NAME = Kleptomaniac Octopus
diff --git a/arch/powerpc/kernel/kvm.c b/arch/powerpc/kernel/kvm.c
index d89cf802d9aa..8067641561a4 100644
--- a/arch/powerpc/kernel/kvm.c
+++ b/arch/powerpc/kernel/kvm.c
@@ -632,19 +632,19 @@ static void __init kvm_check_ins(u32 *inst, u32 features)
#endif
}
- switch (inst_no_rt & ~KVM_MASK_RB) {
#ifdef CONFIG_PPC_BOOK3S_32
+ switch (inst_no_rt & ~KVM_MASK_RB) {
case KVM_INST_MTSRIN:
if (features & KVM_MAGIC_FEAT_SR) {
u32 inst_rb = _inst & KVM_MASK_RB;
kvm_patch_ins_mtsrin(inst, inst_rt, inst_rb);
}
break;
-#endif
}
+#endif
- switch (_inst) {
#ifdef CONFIG_BOOKE
+ switch (_inst) {
case KVM_INST_WRTEEI_0:
kvm_patch_ins_wrteei_0(inst);
break;
@@ -652,8 +652,8 @@ static void __init kvm_check_ins(u32 *inst, u32 features)
case KVM_INST_WRTEEI_1:
kvm_patch_ins_wrtee(inst, 0, 1);
break;
-#endif
}
+#endif
}
extern u32 kvm_template_start[];
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 319ed873a111..257fba652aa5 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -589,6 +589,9 @@ int kvm_pv_send_ipi(struct kvm *kvm, unsigned long ipi_bitmap_low,
if (min > map->max_apic_id)
goto out;
+
+ min = array_index_nospec(min, map->max_apic_id + 1);
+
/* Bits above cluster_size are masked in the caller. */
for_each_set_bit(i, &ipi_bitmap_low,
min((u32)BITS_PER_LONG, (map->max_apic_id - min + 1))) {
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 07154cae7a15..b50d0da06b59 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -7506,8 +7506,11 @@ static void kvm_sched_yield(struct kvm *kvm, unsigned long dest_id)
rcu_read_lock();
map = rcu_dereference(kvm->arch.apic_map);
- if (likely(map) && dest_id <= map->max_apic_id && map->phys_map[dest_id])
- target = map->phys_map[dest_id]->vcpu;
+ if (likely(map) && dest_id <= map->max_apic_id) {
+ dest_id = array_index_nospec(dest_id, map->max_apic_id + 1);
+ if (map->phys_map[dest_id])
+ target = map->phys_map[dest_id]->vcpu;
+ }
rcu_read_unlock();
diff --git a/drivers/atm/atmtcp.c b/drivers/atm/atmtcp.c
index afc1af542c3b..c6915c5effbd 100644
--- a/drivers/atm/atmtcp.c
+++ b/drivers/atm/atmtcp.c
@@ -279,6 +279,19 @@ static struct atm_vcc *find_vcc(struct atm_dev *dev, short vpi, int vci)
return NULL;
}
+static int atmtcp_c_pre_send(struct atm_vcc *vcc, struct sk_buff *skb)
+{
+ struct atmtcp_hdr *hdr;
+
+ if (skb->len < sizeof(struct atmtcp_hdr))
+ return -EINVAL;
+
+ hdr = (struct atmtcp_hdr *)skb->data;
+ if (hdr->length == ATMTCP_HDR_MAGIC)
+ return -EINVAL;
+
+ return 0;
+}
static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb)
{
@@ -288,9 +301,6 @@ static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb)
struct sk_buff *new_skb;
int result = 0;
- if (skb->len < sizeof(struct atmtcp_hdr))
- goto done;
-
dev = vcc->dev_data;
hdr = (struct atmtcp_hdr *) skb->data;
if (hdr->length == ATMTCP_HDR_MAGIC) {
@@ -347,6 +357,7 @@ static struct atmdev_ops atmtcp_v_dev_ops = {
static const struct atmdev_ops atmtcp_c_dev_ops = {
.close = atmtcp_c_close,
+ .pre_send = atmtcp_c_pre_send,
.send = atmtcp_c_send
};
diff --git a/drivers/atm/eni.c b/drivers/atm/eni.c
index 4816db0553ef..0f082bd62654 100644
--- a/drivers/atm/eni.c
+++ b/drivers/atm/eni.c
@@ -2035,21 +2035,6 @@ static int eni_ioctl(struct atm_dev *dev,unsigned int cmd,void __user *arg)
return dev->phy->ioctl(dev,cmd,arg);
}
-
-static int eni_getsockopt(struct atm_vcc *vcc,int level,int optname,
- void __user *optval,int optlen)
-{
- return -EINVAL;
-}
-
-
-static int eni_setsockopt(struct atm_vcc *vcc,int level,int optname,
- void __user *optval,unsigned int optlen)
-{
- return -EINVAL;
-}
-
-
static int eni_send(struct atm_vcc *vcc,struct sk_buff *skb)
{
enum enq_res res;
@@ -2223,8 +2208,6 @@ static const struct atmdev_ops ops = {
.open = eni_open,
.close = eni_close,
.ioctl = eni_ioctl,
- .getsockopt = eni_getsockopt,
- .setsockopt = eni_setsockopt,
.send = eni_send,
.phy_put = eni_phy_put,
.phy_get = eni_phy_get,
diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c
index 8995c39330fa..c7c3aeecd1c6 100644
--- a/drivers/atm/firestream.c
+++ b/drivers/atm/firestream.c
@@ -1278,8 +1278,6 @@ static const struct atmdev_ops ops = {
.send = fs_send,
.owner = THIS_MODULE,
/* ioctl: fs_ioctl, */
- /* getsockopt: fs_getsockopt, */
- /* setsockopt: fs_setsockopt, */
/* change_qos: fs_change_qos, */
/* For now implement these internally here... */
diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c
index 8fbd36eb8941..a36f555cc040 100644
--- a/drivers/atm/fore200e.c
+++ b/drivers/atm/fore200e.c
@@ -1710,31 +1710,6 @@ fore200e_getstats(struct fore200e* fore200e)
return 0;
}
-
-static int
-fore200e_getsockopt(struct atm_vcc* vcc, int level, int optname, void __user *optval, int optlen)
-{
- /* struct fore200e* fore200e = FORE200E_DEV(vcc->dev); */
-
- DPRINTK(2, "getsockopt %d.%d.%d, level = %d, optname = 0x%x, optval = 0x%p, optlen = %d\n",
- vcc->itf, vcc->vpi, vcc->vci, level, optname, optval, optlen);
-
- return -EINVAL;
-}
-
-
-static int
-fore200e_setsockopt(struct atm_vcc* vcc, int level, int optname, void __user *optval, unsigned int optlen)
-{
- /* struct fore200e* fore200e = FORE200E_DEV(vcc->dev); */
-
- DPRINTK(2, "setsockopt %d.%d.%d, level = %d, optname = 0x%x, optval = 0x%p, optlen = %d\n",
- vcc->itf, vcc->vpi, vcc->vci, level, optname, optval, optlen);
-
- return -EINVAL;
-}
-
-
#if 0 /* currently unused */
static int
fore200e_get_oc3(struct fore200e* fore200e, struct oc3_regs* regs)
@@ -3026,8 +3001,6 @@ static const struct atmdev_ops fore200e_ops = {
.open = fore200e_open,
.close = fore200e_close,
.ioctl = fore200e_ioctl,
- .getsockopt = fore200e_getsockopt,
- .setsockopt = fore200e_setsockopt,
.send = fore200e_send,
.change_qos = fore200e_change_qos,
.proc_read = fore200e_proc_read,
diff --git a/drivers/atm/horizon.c b/drivers/atm/horizon.c
index e5da51f907a2..4f2951cbe69c 100644
--- a/drivers/atm/horizon.c
+++ b/drivers/atm/horizon.c
@@ -2527,46 +2527,6 @@ static void hrz_close (struct atm_vcc * atm_vcc) {
clear_bit(ATM_VF_ADDR,&atm_vcc->flags);
}
-#if 0
-static int hrz_getsockopt (struct atm_vcc * atm_vcc, int level, int optname,
- void *optval, int optlen) {
- hrz_dev * dev = HRZ_DEV(atm_vcc->dev);
- PRINTD (DBG_FLOW|DBG_VCC, "hrz_getsockopt");
- switch (level) {
- case SOL_SOCKET:
- switch (optname) {
-// case SO_BCTXOPT:
-// break;
-// case SO_BCRXOPT:
-// break;
- default:
- return -ENOPROTOOPT;
- };
- break;
- }
- return -EINVAL;
-}
-
-static int hrz_setsockopt (struct atm_vcc * atm_vcc, int level, int optname,
- void *optval, unsigned int optlen) {
- hrz_dev * dev = HRZ_DEV(atm_vcc->dev);
- PRINTD (DBG_FLOW|DBG_VCC, "hrz_setsockopt");
- switch (level) {
- case SOL_SOCKET:
- switch (optname) {
-// case SO_BCTXOPT:
-// break;
-// case SO_BCRXOPT:
-// break;
- default:
- return -ENOPROTOOPT;
- };
- break;
- }
- return -EINVAL;
-}
-#endif
-
#if 0
static int hrz_ioctl (struct atm_dev * atm_dev, unsigned int cmd, void *arg) {
hrz_dev * dev = HRZ_DEV(atm_dev);
diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c
index bfc889367d5e..cc90f550ab75 100644
--- a/drivers/atm/iphase.c
+++ b/drivers/atm/iphase.c
@@ -2882,20 +2882,6 @@ static int ia_ioctl(struct atm_dev *dev, unsigned int cmd, void __user *arg)
return 0;
}
-static int ia_getsockopt(struct atm_vcc *vcc, int level, int optname,
- void __user *optval, int optlen)
-{
- IF_EVENT(printk(">ia_getsockopt\n");)
- return -EINVAL;
-}
-
-static int ia_setsockopt(struct atm_vcc *vcc, int level, int optname,
- void __user *optval, unsigned int optlen)
-{
- IF_EVENT(printk(">ia_setsockopt\n");)
- return -EINVAL;
-}
-
static int ia_pkt_tx (struct atm_vcc *vcc, struct sk_buff *skb) {
IADEV *iadev;
struct dle *wr_ptr;
@@ -3166,8 +3152,6 @@ static const struct atmdev_ops ops = {
.open = ia_open,
.close = ia_close,
.ioctl = ia_ioctl,
- .getsockopt = ia_getsockopt,
- .setsockopt = ia_setsockopt,
.send = ia_send,
.phy_put = ia_phy_put,
.phy_get = ia_phy_get,
diff --git a/drivers/atm/lanai.c b/drivers/atm/lanai.c
index c6b38112bcf4..2ed832e1dafa 100644
--- a/drivers/atm/lanai.c
+++ b/drivers/atm/lanai.c
@@ -2540,8 +2540,6 @@ static const struct atmdev_ops ops = {
.dev_close = lanai_dev_close,
.open = lanai_open,
.close = lanai_close,
- .getsockopt = NULL,
- .setsockopt = NULL,
.send = lanai_send,
.phy_put = NULL,
.phy_get = NULL,
diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c
index 9f2148daf8ad..669466d010ef 100644
--- a/drivers/atm/solos-pci.c
+++ b/drivers/atm/solos-pci.c
@@ -1179,8 +1179,6 @@ static const struct atmdev_ops fpga_ops = {
.open = popen,
.close = pclose,
.ioctl = NULL,
- .getsockopt = NULL,
- .setsockopt = NULL,
.send = psend,
.send_oam = NULL,
.phy_put = NULL,
diff --git a/drivers/atm/zatm.c b/drivers/atm/zatm.c
index 165eebe06e39..ee059c77e3bb 100644
--- a/drivers/atm/zatm.c
+++ b/drivers/atm/zatm.c
@@ -1515,20 +1515,6 @@ static int zatm_ioctl(struct atm_dev *dev,unsigned int cmd,void __user *arg)
}
}
-
-static int zatm_getsockopt(struct atm_vcc *vcc,int level,int optname,
- void __user *optval,int optlen)
-{
- return -EINVAL;
-}
-
-
-static int zatm_setsockopt(struct atm_vcc *vcc,int level,int optname,
- void __user *optval,unsigned int optlen)
-{
- return -EINVAL;
-}
-
static int zatm_send(struct atm_vcc *vcc,struct sk_buff *skb)
{
int error;
@@ -1582,8 +1568,6 @@ static const struct atmdev_ops ops = {
.open = zatm_open,
.close = zatm_close,
.ioctl = zatm_ioctl,
- .getsockopt = zatm_getsockopt,
- .setsockopt = zatm_setsockopt,
.send = zatm_send,
.phy_put = zatm_phy_put,
.phy_get = zatm_phy_get,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
index 2e811e963e35..35a8d3c96fc9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
@@ -94,8 +94,8 @@ int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm,
}
r = amdgpu_vm_bo_map(adev, *bo_va, csa_addr, 0, size,
- AMDGPU_VM_PAGE_READABLE | AMDGPU_VM_PAGE_WRITEABLE |
- AMDGPU_VM_PAGE_EXECUTABLE);
+ AMDGPU_PTE_READABLE | AMDGPU_PTE_WRITEABLE |
+ AMDGPU_PTE_EXECUTABLE);
if (r) {
DRM_ERROR("failed to do bo_map on static CSA, err=%d\n", r);
diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c
index 4eabef5b86d0..ffc68d305afe 100644
--- a/drivers/gpu/drm/drm_dp_helper.c
+++ b/drivers/gpu/drm/drm_dp_helper.c
@@ -280,7 +280,7 @@ ssize_t drm_dp_dpcd_read(struct drm_dp_aux *aux, unsigned int offset,
* We just have to do it before any DPCD access and hope that the
* monitor doesn't power down exactly after the throw away read.
*/
- ret = drm_dp_dpcd_access(aux, DP_AUX_NATIVE_READ, DP_LANE0_1_STATUS, buffer,
+ ret = drm_dp_dpcd_access(aux, DP_AUX_NATIVE_READ, DP_DPCD_REV, buffer,
1);
if (ret != 1)
goto out;
diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c
index dea926862905..8f560cdebf48 100644
--- a/drivers/hid/hid-asus.c
+++ b/drivers/hid/hid-asus.c
@@ -1035,7 +1035,13 @@ static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
return ret;
}
- if (!drvdata->input) {
+ /*
+ * Check that input registration succeeded. Checking that
+ * HID_CLAIMED_INPUT is set prevents a UAF when all input devices
+ * were freed during registration due to no usages being mapped,
+ * leaving drvdata->input pointing to freed memory.
+ */
+ if (!drvdata->input || !(hdev->claimed & HID_CLAIMED_INPUT)) {
hid_err(hdev, "Asus input not registered\n");
ret = -ENOMEM;
goto err_stop_hw;
diff --git a/drivers/hid/hid-ntrig.c b/drivers/hid/hid-ntrig.c
index b5d26f03fe6b..a1128c5315ff 100644
--- a/drivers/hid/hid-ntrig.c
+++ b/drivers/hid/hid-ntrig.c
@@ -144,6 +144,9 @@ static void ntrig_report_version(struct hid_device *hdev)
struct usb_device *usb_dev = hid_to_usb_dev(hdev);
unsigned char *data = kmalloc(8, GFP_KERNEL);
+ if (!hid_is_usb(hdev))
+ return;
+
if (!data)
goto err_free;
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index 7851cbec79dc..fd51a97c3722 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -684,6 +684,7 @@ static bool wacom_is_art_pen(int tool_id)
case 0x885: /* Intuos3 Marker Pen */
case 0x804: /* Intuos4/5 13HD/24HD Marker Pen */
case 0x10804: /* Intuos4/5 13HD/24HD Art Pen */
+ case 0x204: /* Art Pen 2 */
is_art_pen = true;
break;
}
diff --git a/drivers/net/ethernet/dlink/dl2k.c b/drivers/net/ethernet/dlink/dl2k.c
index 8d57fb507205..b4a8d4f12087 100644
--- a/drivers/net/ethernet/dlink/dl2k.c
+++ b/drivers/net/ethernet/dlink/dl2k.c
@@ -1102,7 +1102,7 @@ get_stats (struct net_device *dev)
dev->stats.rx_bytes += dr32(OctetRcvOk);
dev->stats.tx_bytes += dr32(OctetXmtOk);
- dev->stats.multicast = dr32(McstFramesRcvdOk);
+ dev->stats.multicast += dr32(McstFramesRcvdOk);
dev->stats.collisions += dr32(SingleColFrames)
+ dr32(MultiColFrames);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c b/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c
index 99c7cdd0404a..44d3d6826f69 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c
@@ -341,7 +341,6 @@ int mlx5e_port_manual_buffer_config(struct mlx5e_priv *priv,
if (err)
return err;
}
- priv->dcbx.xoff = xoff;
/* Apply the settings */
if (update_buffer) {
@@ -350,6 +349,8 @@ int mlx5e_port_manual_buffer_config(struct mlx5e_priv *priv,
return err;
}
+ priv->dcbx.xoff = xoff;
+
if (update_prio2buffer)
err = mlx5e_port_set_priority2buffer(priv->mdev, prio2buffer);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.h b/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.h
index 34f55b81a0de..7b852b87a609 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.h
@@ -64,11 +64,23 @@ struct mlx5e_port_buffer {
struct mlx5e_bufferx_reg buffer[MLX5E_MAX_BUFFER];
};
+#ifdef CONFIG_MLX5_CORE_EN_DCB
int mlx5e_port_manual_buffer_config(struct mlx5e_priv *priv,
u32 change, unsigned int mtu,
struct ieee_pfc *pfc,
u32 *buffer_size,
u8 *prio2buffer);
+#else
+static inline int
+mlx5e_port_manual_buffer_config(struct mlx5e_priv *priv,
+ u32 change, unsigned int mtu,
+ void *pfc,
+ u32 *buffer_size,
+ u8 *prio2buffer)
+{
+ return 0;
+}
+#endif
int mlx5e_port_query_buffer(struct mlx5e_priv *priv,
struct mlx5e_port_buffer *port_buffer);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index b3ba996004f1..b8d0b68befcb 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -42,6 +42,7 @@
#include "eswitch.h"
#include "en.h"
#include "en/txrx.h"
+#include "en/port_buffer.h"
#include "en_tc.h"
#include "en_rep.h"
#include "en_accel/ipsec.h"
@@ -140,6 +141,8 @@ void mlx5e_update_carrier(struct mlx5e_priv *priv)
if (port_state == VPORT_STATE_UP) {
netdev_info(priv->netdev, "Link up\n");
netif_carrier_on(priv->netdev);
+ mlx5e_port_manual_buffer_config(priv, 0, priv->netdev->mtu,
+ NULL, NULL, NULL);
} else {
netdev_info(priv->netdev, "Link down\n");
netif_carrier_off(priv->netdev);
@@ -2894,9 +2897,11 @@ int mlx5e_set_dev_port_mtu(struct mlx5e_priv *priv)
struct mlx5e_params *params = &priv->channels.params;
struct net_device *netdev = priv->netdev;
struct mlx5_core_dev *mdev = priv->mdev;
- u16 mtu;
+ u16 mtu, prev_mtu;
int err;
+ mlx5e_query_mtu(mdev, params, &prev_mtu);
+
err = mlx5e_set_mtu(mdev, params, params->sw_mtu);
if (err)
return err;
@@ -2906,6 +2911,18 @@ int mlx5e_set_dev_port_mtu(struct mlx5e_priv *priv)
netdev_warn(netdev, "%s: VPort MTU %d is different than netdev mtu %d\n",
__func__, mtu, params->sw_mtu);
+ if (mtu != prev_mtu && MLX5_BUFFER_SUPPORTED(mdev)) {
+ err = mlx5e_port_manual_buffer_config(priv, 0, mtu,
+ NULL, NULL, NULL);
+ if (err) {
+ netdev_warn(netdev, "%s: Failed to set Xon/Xoff values with MTU %d (err %d), setting back to previous MTU %d\n",
+ __func__, mtu, err, prev_mtu);
+
+ mlx5e_set_mtu(mdev, params, prev_mtu);
+ return err;
+ }
+ }
+
params->sw_mtu = mtu;
return 0;
}
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
index 07ef0ac725b3..93d1b78c9d4e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
@@ -206,10 +206,6 @@ static void dwxgmac2_dma_rx_mode(void __iomem *ioaddr, int mode,
}
writel(value, ioaddr + XGMAC_MTL_RXQ_OPMODE(channel));
-
- /* Enable MTL RX overflow */
- value = readl(ioaddr + XGMAC_MTL_QINTEN(channel));
- writel(value | XGMAC_RXOIE, ioaddr + XGMAC_MTL_QINTEN(channel));
}
static void dwxgmac2_dma_tx_mode(void __iomem *ioaddr, int mode,
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 496cff5f3d0a..acf1321657ec 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1319,6 +1319,9 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */
{QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */
{QMI_QUIRK_SET_DTR(0x1bc7, 0x1031, 3)}, /* Telit LE910C1-EUX */
+ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1034, 2)}, /* Telit LE910C4-WWX */
+ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1037, 4)}, /* Telit LE910C4-WWX */
+ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1038, 3)}, /* Telit LE910C4-WWX */
{QMI_QUIRK_SET_DTR(0x1bc7, 0x103a, 0)}, /* Telit LE910C4-WWX */
{QMI_QUIRK_SET_DTR(0x1bc7, 0x1040, 2)}, /* Telit LE922A */
{QMI_QUIRK_SET_DTR(0x1bc7, 0x1050, 2)}, /* Telit FN980 */
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index b372419d61f2..57426dc52f9f 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -278,6 +278,7 @@ config PINCTRL_STMFX
tristate "STMicroelectronics STMFX GPIO expander pinctrl driver"
depends on I2C
depends on OF_GPIO
+ depends on HAS_IOMEM
select GENERIC_PINCONF
select GPIOLIB_IRQCHIP
select MFD_STMFX
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 530b14685fd7..8949848fe6a7 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -264,7 +264,7 @@ show_shost_supported_mode(struct device *dev, struct device_attribute *attr,
return show_shost_mode(supported_mode, buf);
}
-static DEVICE_ATTR(supported_mode, S_IRUGO | S_IWUSR, show_shost_supported_mode, NULL);
+static DEVICE_ATTR(supported_mode, S_IRUGO, show_shost_supported_mode, NULL);
static ssize_t
show_shost_active_mode(struct device *dev,
@@ -278,7 +278,7 @@ show_shost_active_mode(struct device *dev,
return show_shost_mode(shost->active_mode, buf);
}
-static DEVICE_ATTR(active_mode, S_IRUGO | S_IWUSR, show_shost_active_mode, NULL);
+static DEVICE_ATTR(active_mode, S_IRUGO, show_shost_active_mode, NULL);
static int check_reset_type(const char *str)
{
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index b19d60adc606..6294e96eb60a 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -95,6 +95,7 @@ struct vhost_net_ubuf_ref {
atomic_t refcount;
wait_queue_head_t wait;
struct vhost_virtqueue *vq;
+ struct rcu_head rcu;
};
#define VHOST_NET_BATCH 64
@@ -248,9 +249,13 @@ vhost_net_ubuf_alloc(struct vhost_virtqueue *vq, bool zcopy)
static int vhost_net_ubuf_put(struct vhost_net_ubuf_ref *ubufs)
{
- int r = atomic_sub_return(1, &ubufs->refcount);
+ int r;
+
+ rcu_read_lock();
+ r = atomic_sub_return(1, &ubufs->refcount);
if (unlikely(!r))
wake_up(&ubufs->wait);
+ rcu_read_unlock();
return r;
}
@@ -263,7 +268,7 @@ static void vhost_net_ubuf_put_and_wait(struct vhost_net_ubuf_ref *ubufs)
static void vhost_net_ubuf_put_wait_and_free(struct vhost_net_ubuf_ref *ubufs)
{
vhost_net_ubuf_put_and_wait(ubufs);
- kfree(ubufs);
+ kfree_rcu(ubufs, rcu);
}
static void vhost_net_clear_ubuf_info(struct vhost_net *n)
diff --git a/fs/efivarfs/super.c b/fs/efivarfs/super.c
index d12a21b2dd9d..0f3d3d96599b 100644
--- a/fs/efivarfs/super.c
+++ b/fs/efivarfs/super.c
@@ -46,6 +46,10 @@ static int efivarfs_d_compare(const struct dentry *dentry,
{
int guid = len - EFI_VARIABLE_GUID_LEN;
+ /* Parallel lookups may produce a temporary invalid filename */
+ if (guid <= 0)
+ return 1;
+
if (name->len != len)
return 1;
diff --git a/include/linux/atmdev.h b/include/linux/atmdev.h
index 19c0f91c38bd..8cbb992f6293 100644
--- a/include/linux/atmdev.h
+++ b/include/linux/atmdev.h
@@ -176,11 +176,6 @@ struct atm_dev {
#define ATM_OF_IMMED 1 /* Attempt immediate delivery */
#define ATM_OF_INRATE 2 /* Attempt in-rate delivery */
-
-/*
- * ioctl, getsockopt, and setsockopt are optional and can be set to NULL.
- */
-
struct atmdev_ops { /* only send is required */
void (*dev_close)(struct atm_dev *dev);
int (*open)(struct atm_vcc *vcc);
@@ -190,10 +185,7 @@ struct atmdev_ops { /* only send is required */
int (*compat_ioctl)(struct atm_dev *dev,unsigned int cmd,
void __user *arg);
#endif
- int (*getsockopt)(struct atm_vcc *vcc,int level,int optname,
- void __user *optval,int optlen);
- int (*setsockopt)(struct atm_vcc *vcc,int level,int optname,
- void __user *optval,unsigned int optlen);
+ int (*pre_send)(struct atm_vcc *vcc, struct sk_buff *skb);
int (*send)(struct atm_vcc *vcc,struct sk_buff *skb);
int (*send_oam)(struct atm_vcc *vcc,void *cell,int flags);
void (*phy_put)(struct atm_dev *dev,unsigned char value,
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 26b17776e8d2..54601c3ecbe5 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -9166,10 +9166,10 @@ void ftrace_dump(enum ftrace_dump_mode oops_dump_mode)
ret = print_trace_line(&iter);
if (ret != TRACE_TYPE_NO_CONSUME)
trace_consume(&iter);
+
+ trace_printk_seq(&iter.seq);
}
touch_nmi_watchdog();
-
- trace_printk_seq(&iter.seq);
}
if (!cnt)
diff --git a/net/atm/common.c b/net/atm/common.c
index 1e07a5fc53d0..59b61886629e 100644
--- a/net/atm/common.c
+++ b/net/atm/common.c
@@ -635,18 +635,27 @@ int vcc_sendmsg(struct socket *sock, struct msghdr *m, size_t size)
skb->dev = NULL; /* for paths shared with net_device interfaces */
if (!copy_from_iter_full(skb_put(skb, size), size, &m->msg_iter)) {
- atm_return_tx(vcc, skb);
- kfree_skb(skb);
error = -EFAULT;
- goto out;
+ goto free_skb;
}
if (eff != size)
memset(skb->data + size, 0, eff-size);
+
+ if (vcc->dev->ops->pre_send) {
+ error = vcc->dev->ops->pre_send(vcc, skb);
+ if (error)
+ goto free_skb;
+ }
+
error = vcc->dev->ops->send(vcc, skb);
error = error ? error : size;
out:
release_sock(sk);
return error;
+free_skb:
+ atm_return_tx(vcc, skb);
+ kfree_skb(skb);
+ goto out;
}
__poll_t vcc_poll(struct file *file, struct socket *sock, poll_table *wait)
@@ -783,13 +792,8 @@ int vcc_setsockopt(struct socket *sock, int level, int optname,
vcc->atm_options &= ~ATM_ATMOPT_CLP;
return 0;
default:
- if (level == SOL_SOCKET)
- return -EINVAL;
- break;
- }
- if (!vcc->dev || !vcc->dev->ops->setsockopt)
return -EINVAL;
- return vcc->dev->ops->setsockopt(vcc, level, optname, optval, optlen);
+ }
}
int vcc_getsockopt(struct socket *sock, int level, int optname,
@@ -827,13 +831,8 @@ int vcc_getsockopt(struct socket *sock, int level, int optname,
return copy_to_user(optval, &pvc, sizeof(pvc)) ? -EFAULT : 0;
}
default:
- if (level == SOL_SOCKET)
- return -EINVAL;
- break;
- }
- if (!vcc->dev || !vcc->dev->ops->getsockopt)
return -EINVAL;
- return vcc->dev->ops->getsockopt(vcc, level, optname, optval, len);
+ }
}
int register_atmdevice_notifier(struct notifier_block *nb)
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 33b025a52b83..4e8911501255 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -3681,7 +3681,17 @@ static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
if (!conn)
continue;
- conn->sent -= count;
+ /* Check if there is really enough packets outstanding before
+ * attempting to decrease the sent counter otherwise it could
+ * underflow..
+ */
+ if (conn->sent >= count) {
+ conn->sent -= count;
+ } else {
+ bt_dev_warn(hdev, "hcon %p sent %u < count %u",
+ conn, conn->sent, count);
+ conn->sent = 0;
+ }
switch (conn->type) {
case ACL_LINK:
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 80612f73ff53..eb83ce4b845a 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2365,12 +2365,16 @@ static struct rtable *__mkroute_output(const struct fib_result *res,
!netif_is_l3_master(dev_out))
return ERR_PTR(-EINVAL);
- if (ipv4_is_lbcast(fl4->daddr))
+ if (ipv4_is_lbcast(fl4->daddr)) {
type = RTN_BROADCAST;
- else if (ipv4_is_multicast(fl4->daddr))
+
+ /* reset fi to prevent gateway resolution */
+ fi = NULL;
+ } else if (ipv4_is_multicast(fl4->daddr)) {
type = RTN_MULTICAST;
- else if (ipv4_is_zeronet(fl4->daddr))
+ } else if (ipv4_is_zeronet(fl4->daddr)) {
return ERR_PTR(-EINVAL);
+ }
if (dev_out->flags & IFF_LOOPBACK)
flags |= RTCF_LOCAL;
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index fae6157e837a..33981ea10281 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -499,7 +499,9 @@ static void sctp_v6_from_sk(union sctp_addr *addr, struct sock *sk)
{
addr->v6.sin6_family = AF_INET6;
addr->v6.sin6_port = 0;
+ addr->v6.sin6_flowinfo = 0;
addr->v6.sin6_addr = sk->sk_v6_rcv_saddr;
+ addr->v6.sin6_scope_id = 0;
}
/* Initialize sk->sk_rcv_saddr from sctp_addr. */
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