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Message-Id: <1634461753227143@kroah.com>
Date: Sun, 17 Oct 2021 11:09:13 +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 5.4.154
diff --git a/Makefile b/Makefile
index df9b1d07ca09..3358f56a37f0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 4
-SUBLEVEL = 153
+SUBLEVEL = 154
EXTRAVERSION =
NAME = Kleptomaniac Octopus
diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c
index 05610e6924c1..f7121b775e5f 100644
--- a/arch/m68k/kernel/signal.c
+++ b/arch/m68k/kernel/signal.c
@@ -448,7 +448,7 @@ static inline void save_fpu_state(struct sigcontext *sc, struct pt_regs *regs)
if (CPU_IS_060 ? sc->sc_fpstate[2] : sc->sc_fpstate[0]) {
fpu_version = sc->sc_fpstate[0];
- if (CPU_IS_020_OR_030 &&
+ if (CPU_IS_020_OR_030 && !regs->stkadj &&
regs->vector >= (VEC_FPBRUC * 4) &&
regs->vector <= (VEC_FPNAN * 4)) {
/* Clear pending exception in 68882 idle frame */
@@ -511,7 +511,7 @@ static inline int rt_save_fpu_state(struct ucontext __user *uc, struct pt_regs *
if (!(CPU_IS_060 || CPU_IS_COLDFIRE))
context_size = fpstate[1];
fpu_version = fpstate[0];
- if (CPU_IS_020_OR_030 &&
+ if (CPU_IS_020_OR_030 && !regs->stkadj &&
regs->vector >= (VEC_FPBRUC * 4) &&
regs->vector <= (VEC_FPNAN * 4)) {
/* Clear pending exception in 68882 idle frame */
@@ -829,18 +829,24 @@ asmlinkage int do_rt_sigreturn(struct pt_regs *regs, struct switch_stack *sw)
return 0;
}
+static inline struct pt_regs *rte_regs(struct pt_regs *regs)
+{
+ return (void *)regs + regs->stkadj;
+}
+
static void setup_sigcontext(struct sigcontext *sc, struct pt_regs *regs,
unsigned long mask)
{
+ struct pt_regs *tregs = rte_regs(regs);
sc->sc_mask = mask;
sc->sc_usp = rdusp();
sc->sc_d0 = regs->d0;
sc->sc_d1 = regs->d1;
sc->sc_a0 = regs->a0;
sc->sc_a1 = regs->a1;
- sc->sc_sr = regs->sr;
- sc->sc_pc = regs->pc;
- sc->sc_formatvec = regs->format << 12 | regs->vector;
+ sc->sc_sr = tregs->sr;
+ sc->sc_pc = tregs->pc;
+ sc->sc_formatvec = tregs->format << 12 | tregs->vector;
save_a5_state(sc, regs);
save_fpu_state(sc, regs);
}
@@ -848,6 +854,7 @@ static void setup_sigcontext(struct sigcontext *sc, struct pt_regs *regs,
static inline int rt_setup_ucontext(struct ucontext __user *uc, struct pt_regs *regs)
{
struct switch_stack *sw = (struct switch_stack *)regs - 1;
+ struct pt_regs *tregs = rte_regs(regs);
greg_t __user *gregs = uc->uc_mcontext.gregs;
int err = 0;
@@ -868,9 +875,9 @@ static inline int rt_setup_ucontext(struct ucontext __user *uc, struct pt_regs *
err |= __put_user(sw->a5, &gregs[13]);
err |= __put_user(sw->a6, &gregs[14]);
err |= __put_user(rdusp(), &gregs[15]);
- err |= __put_user(regs->pc, &gregs[16]);
- err |= __put_user(regs->sr, &gregs[17]);
- err |= __put_user((regs->format << 12) | regs->vector, &uc->uc_formatvec);
+ err |= __put_user(tregs->pc, &gregs[16]);
+ err |= __put_user(tregs->sr, &gregs[17]);
+ err |= __put_user((tregs->format << 12) | tregs->vector, &uc->uc_formatvec);
err |= rt_save_fpu_state(uc, regs);
return err;
}
@@ -887,13 +894,14 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set,
struct pt_regs *regs)
{
struct sigframe __user *frame;
- int fsize = frame_extra_sizes(regs->format);
+ struct pt_regs *tregs = rte_regs(regs);
+ int fsize = frame_extra_sizes(tregs->format);
struct sigcontext context;
int err = 0, sig = ksig->sig;
if (fsize < 0) {
pr_debug("setup_frame: Unknown frame format %#x\n",
- regs->format);
+ tregs->format);
return -EFAULT;
}
@@ -904,7 +912,7 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set,
err |= __put_user(sig, &frame->sig);
- err |= __put_user(regs->vector, &frame->code);
+ err |= __put_user(tregs->vector, &frame->code);
err |= __put_user(&frame->sc, &frame->psc);
if (_NSIG_WORDS > 1)
@@ -929,34 +937,28 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set,
push_cache ((unsigned long) &frame->retcode);
- /*
- * Set up registers for signal handler. All the state we are about
- * to destroy is successfully copied to sigframe.
- */
- wrusp ((unsigned long) frame);
- regs->pc = (unsigned long) ksig->ka.sa.sa_handler;
- adjustformat(regs);
-
/*
* This is subtle; if we build more than one sigframe, all but the
* first one will see frame format 0 and have fsize == 0, so we won't
* screw stkadj.
*/
- if (fsize)
+ if (fsize) {
regs->stkadj = fsize;
-
- /* Prepare to skip over the extra stuff in the exception frame. */
- if (regs->stkadj) {
- struct pt_regs *tregs =
- (struct pt_regs *)((ulong)regs + regs->stkadj);
+ tregs = rte_regs(regs);
pr_debug("Performing stackadjust=%04lx\n", regs->stkadj);
- /* This must be copied with decreasing addresses to
- handle overlaps. */
tregs->vector = 0;
tregs->format = 0;
- tregs->pc = regs->pc;
tregs->sr = regs->sr;
}
+
+ /*
+ * Set up registers for signal handler. All the state we are about
+ * to destroy is successfully copied to sigframe.
+ */
+ wrusp ((unsigned long) frame);
+ tregs->pc = (unsigned long) ksig->ka.sa.sa_handler;
+ adjustformat(regs);
+
return 0;
}
@@ -964,7 +966,8 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
struct pt_regs *regs)
{
struct rt_sigframe __user *frame;
- int fsize = frame_extra_sizes(regs->format);
+ struct pt_regs *tregs = rte_regs(regs);
+ int fsize = frame_extra_sizes(tregs->format);
int err = 0, sig = ksig->sig;
if (fsize < 0) {
@@ -1013,34 +1016,27 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
push_cache ((unsigned long) &frame->retcode);
- /*
- * Set up registers for signal handler. All the state we are about
- * to destroy is successfully copied to sigframe.
- */
- wrusp ((unsigned long) frame);
- regs->pc = (unsigned long) ksig->ka.sa.sa_handler;
- adjustformat(regs);
-
/*
* This is subtle; if we build more than one sigframe, all but the
* first one will see frame format 0 and have fsize == 0, so we won't
* screw stkadj.
*/
- if (fsize)
+ if (fsize) {
regs->stkadj = fsize;
-
- /* Prepare to skip over the extra stuff in the exception frame. */
- if (regs->stkadj) {
- struct pt_regs *tregs =
- (struct pt_regs *)((ulong)regs + regs->stkadj);
+ tregs = rte_regs(regs);
pr_debug("Performing stackadjust=%04lx\n", regs->stkadj);
- /* This must be copied with decreasing addresses to
- handle overlaps. */
tregs->vector = 0;
tregs->format = 0;
- tregs->pc = regs->pc;
tregs->sr = regs->sr;
}
+
+ /*
+ * Set up registers for signal handler. All the state we are about
+ * to destroy is successfully copied to sigframe.
+ */
+ wrusp ((unsigned long) frame);
+ tregs->pc = (unsigned long) ksig->ka.sa.sa_handler;
+ adjustformat(regs);
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index f642e066e67a..85ee0e849647 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -903,6 +903,8 @@ static int gmc_v10_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ gmc_v10_0_gart_disable(adev);
+
if (amdgpu_sriov_vf(adev)) {
/* full access mode, so don't touch any GMC register */
DRM_DEBUG("For SRIOV client, shouldn't do anything.\n");
@@ -910,7 +912,6 @@ static int gmc_v10_0_hw_fini(void *handle)
}
amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
- gmc_v10_0_gart_disable(adev);
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 688111ef814d..63205de4a565 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -1526,6 +1526,8 @@ static int gmc_v9_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ gmc_v9_0_gart_disable(adev);
+
if (amdgpu_sriov_vf(adev)) {
/* full access mode, so don't touch any GMC register */
DRM_DEBUG("For SRIOV client, shouldn't do anything.\n");
@@ -1534,7 +1536,6 @@ static int gmc_v9_0_hw_fini(void *handle)
amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0);
amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
- gmc_v9_0_gart_disable(adev);
return 0;
}
diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
index 6909c045fece..07df64daf7da 100644
--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -301,12 +301,19 @@ static int apple_event(struct hid_device *hdev, struct hid_field *field,
/*
* MacBook JIS keyboard has wrong logical maximum
+ * Magic Keyboard JIS has wrong logical maximum
*/
static __u8 *apple_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
struct apple_sc *asc = hid_get_drvdata(hdev);
+ if(*rsize >=71 && rdesc[70] == 0x65 && rdesc[64] == 0x65) {
+ hid_info(hdev,
+ "fixing up Magic Keyboard JIS report descriptor\n");
+ rdesc[64] = rdesc[70] = 0xe7;
+ }
+
if ((asc->quirks & APPLE_RDESC_JIS) && *rsize >= 60 &&
rdesc[53] == 0x65 && rdesc[59] == 0x65) {
hid_info(hdev,
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index d5425bc1ad61..f6be2e70a496 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -4715,6 +4715,12 @@ static const struct wacom_features wacom_features_0x393 =
{ "Wacom Intuos Pro S", 31920, 19950, 8191, 63,
INTUOSP2S_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7,
.touch_max = 10 };
+static const struct wacom_features wacom_features_0x3c6 =
+ { "Wacom Intuos BT S", 15200, 9500, 4095, 63,
+ INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
+static const struct wacom_features wacom_features_0x3c8 =
+ { "Wacom Intuos BT M", 21600, 13500, 4095, 63,
+ INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
static const struct wacom_features wacom_features_HID_ANY_ID =
{ "Wacom HID", .type = HID_GENERIC, .oVid = HID_ANY_ID, .oPid = HID_ANY_ID };
@@ -4888,6 +4894,8 @@ const struct hid_device_id wacom_ids[] = {
{ USB_DEVICE_WACOM(0x37A) },
{ USB_DEVICE_WACOM(0x37B) },
{ BT_DEVICE_WACOM(0x393) },
+ { BT_DEVICE_WACOM(0x3c6) },
+ { BT_DEVICE_WACOM(0x3c8) },
{ USB_DEVICE_WACOM(0x4001) },
{ USB_DEVICE_WACOM(0x4004) },
{ USB_DEVICE_WACOM(0x5000) },
diff --git a/drivers/net/ethernet/sun/Kconfig b/drivers/net/ethernet/sun/Kconfig
index 7b982e02ea3a..1080a2a3e13a 100644
--- a/drivers/net/ethernet/sun/Kconfig
+++ b/drivers/net/ethernet/sun/Kconfig
@@ -73,6 +73,7 @@ config CASSINI
config SUNVNET_COMMON
tristate "Common routines to support Sun Virtual Networking"
depends on SUN_LDOMS
+ depends on INET
default m
config SUNVNET
diff --git a/drivers/net/phy/bcm7xxx.c b/drivers/net/phy/bcm7xxx.c
index af8eabe7a6d4..d372626c603d 100644
--- a/drivers/net/phy/bcm7xxx.c
+++ b/drivers/net/phy/bcm7xxx.c
@@ -26,7 +26,12 @@
#define MII_BCM7XXX_SHD_2_ADDR_CTRL 0xe
#define MII_BCM7XXX_SHD_2_CTRL_STAT 0xf
#define MII_BCM7XXX_SHD_2_BIAS_TRIM 0x1a
+#define MII_BCM7XXX_SHD_3_PCS_CTRL 0x0
+#define MII_BCM7XXX_SHD_3_PCS_STATUS 0x1
+#define MII_BCM7XXX_SHD_3_EEE_CAP 0x2
#define MII_BCM7XXX_SHD_3_AN_EEE_ADV 0x3
+#define MII_BCM7XXX_SHD_3_EEE_LP 0x4
+#define MII_BCM7XXX_SHD_3_EEE_WK_ERR 0x5
#define MII_BCM7XXX_SHD_3_PCS_CTRL_2 0x6
#define MII_BCM7XXX_PCS_CTRL_2_DEF 0x4400
#define MII_BCM7XXX_SHD_3_AN_STAT 0xb
@@ -210,25 +215,37 @@ static int bcm7xxx_28nm_resume(struct phy_device *phydev)
return genphy_config_aneg(phydev);
}
-static int phy_set_clr_bits(struct phy_device *dev, int location,
- int set_mask, int clr_mask)
+static int __phy_set_clr_bits(struct phy_device *dev, int location,
+ int set_mask, int clr_mask)
{
int v, ret;
- v = phy_read(dev, location);
+ v = __phy_read(dev, location);
if (v < 0)
return v;
v &= ~clr_mask;
v |= set_mask;
- ret = phy_write(dev, location, v);
+ ret = __phy_write(dev, location, v);
if (ret < 0)
return ret;
return v;
}
+static int phy_set_clr_bits(struct phy_device *dev, int location,
+ int set_mask, int clr_mask)
+{
+ int ret;
+
+ mutex_lock(&dev->mdio.bus->mdio_lock);
+ ret = __phy_set_clr_bits(dev, location, set_mask, clr_mask);
+ mutex_unlock(&dev->mdio.bus->mdio_lock);
+
+ return ret;
+}
+
static int bcm7xxx_28nm_ephy_01_afe_config_init(struct phy_device *phydev)
{
int ret;
@@ -392,6 +409,93 @@ static int bcm7xxx_28nm_ephy_config_init(struct phy_device *phydev)
return bcm7xxx_28nm_ephy_apd_enable(phydev);
}
+#define MII_BCM7XXX_REG_INVALID 0xff
+
+static u8 bcm7xxx_28nm_ephy_regnum_to_shd(u16 regnum)
+{
+ switch (regnum) {
+ case MDIO_CTRL1:
+ return MII_BCM7XXX_SHD_3_PCS_CTRL;
+ case MDIO_STAT1:
+ return MII_BCM7XXX_SHD_3_PCS_STATUS;
+ case MDIO_PCS_EEE_ABLE:
+ return MII_BCM7XXX_SHD_3_EEE_CAP;
+ case MDIO_AN_EEE_ADV:
+ return MII_BCM7XXX_SHD_3_AN_EEE_ADV;
+ case MDIO_AN_EEE_LPABLE:
+ return MII_BCM7XXX_SHD_3_EEE_LP;
+ case MDIO_PCS_EEE_WK_ERR:
+ return MII_BCM7XXX_SHD_3_EEE_WK_ERR;
+ default:
+ return MII_BCM7XXX_REG_INVALID;
+ }
+}
+
+static bool bcm7xxx_28nm_ephy_dev_valid(int devnum)
+{
+ return devnum == MDIO_MMD_AN || devnum == MDIO_MMD_PCS;
+}
+
+static int bcm7xxx_28nm_ephy_read_mmd(struct phy_device *phydev,
+ int devnum, u16 regnum)
+{
+ u8 shd = bcm7xxx_28nm_ephy_regnum_to_shd(regnum);
+ int ret;
+
+ if (!bcm7xxx_28nm_ephy_dev_valid(devnum) ||
+ shd == MII_BCM7XXX_REG_INVALID)
+ return -EOPNOTSUPP;
+
+ /* set shadow mode 2 */
+ ret = __phy_set_clr_bits(phydev, MII_BCM7XXX_TEST,
+ MII_BCM7XXX_SHD_MODE_2, 0);
+ if (ret < 0)
+ return ret;
+
+ /* Access the desired shadow register address */
+ ret = __phy_write(phydev, MII_BCM7XXX_SHD_2_ADDR_CTRL, shd);
+ if (ret < 0)
+ goto reset_shadow_mode;
+
+ ret = __phy_read(phydev, MII_BCM7XXX_SHD_2_CTRL_STAT);
+
+reset_shadow_mode:
+ /* reset shadow mode 2 */
+ __phy_set_clr_bits(phydev, MII_BCM7XXX_TEST, 0,
+ MII_BCM7XXX_SHD_MODE_2);
+ return ret;
+}
+
+static int bcm7xxx_28nm_ephy_write_mmd(struct phy_device *phydev,
+ int devnum, u16 regnum, u16 val)
+{
+ u8 shd = bcm7xxx_28nm_ephy_regnum_to_shd(regnum);
+ int ret;
+
+ if (!bcm7xxx_28nm_ephy_dev_valid(devnum) ||
+ shd == MII_BCM7XXX_REG_INVALID)
+ return -EOPNOTSUPP;
+
+ /* set shadow mode 2 */
+ ret = __phy_set_clr_bits(phydev, MII_BCM7XXX_TEST,
+ MII_BCM7XXX_SHD_MODE_2, 0);
+ if (ret < 0)
+ return ret;
+
+ /* Access the desired shadow register address */
+ ret = __phy_write(phydev, MII_BCM7XXX_SHD_2_ADDR_CTRL, shd);
+ if (ret < 0)
+ goto reset_shadow_mode;
+
+ /* Write the desired value in the shadow register */
+ __phy_write(phydev, MII_BCM7XXX_SHD_2_CTRL_STAT, val);
+
+reset_shadow_mode:
+ /* reset shadow mode 2 */
+ return __phy_set_clr_bits(phydev, MII_BCM7XXX_TEST, 0,
+ MII_BCM7XXX_SHD_MODE_2);
+}
+
static int bcm7xxx_28nm_ephy_resume(struct phy_device *phydev)
{
int ret;
@@ -563,6 +667,8 @@ static int bcm7xxx_28nm_probe(struct phy_device *phydev)
.get_strings = bcm_phy_get_strings, \
.get_stats = bcm7xxx_28nm_get_phy_stats, \
.probe = bcm7xxx_28nm_probe, \
+ .read_mmd = bcm7xxx_28nm_ephy_read_mmd, \
+ .write_mmd = bcm7xxx_28nm_ephy_write_mmd, \
}
#define BCM7XXX_40NM_EPHY(_oui, _name) \
diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c
index 43e682297fd5..0a1734f34587 100644
--- a/drivers/scsi/ses.c
+++ b/drivers/scsi/ses.c
@@ -118,7 +118,7 @@ static int ses_recv_diag(struct scsi_device *sdev, int page_code,
static int ses_send_diag(struct scsi_device *sdev, int page_code,
void *buf, int bufflen)
{
- u32 result;
+ int result;
unsigned char cmd[] = {
SEND_DIAGNOSTIC,
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index bfec84aacd90..cb833c5fb9ce 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -297,7 +297,7 @@ static void virtscsi_handle_transport_reset(struct virtio_scsi *vscsi,
}
break;
default:
- pr_info("Unsupport virtio scsi event reason %x\n", event->reason);
+ pr_info("Unsupported virtio scsi event reason %x\n", event->reason);
}
}
@@ -381,7 +381,7 @@ static void virtscsi_handle_event(struct work_struct *work)
virtscsi_handle_param_change(vscsi, event);
break;
default:
- pr_err("Unsupport virtio scsi event %x\n", event->event);
+ pr_err("Unsupported virtio scsi event %x\n", event->event);
}
virtscsi_kick_event(vscsi, event_node);
}
diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c
index 46151bda6236..cdb10e9fded6 100644
--- a/fs/ext4/inline.c
+++ b/fs/ext4/inline.c
@@ -733,18 +733,13 @@ int ext4_write_inline_data_end(struct inode *inode, loff_t pos, unsigned len,
void *kaddr;
struct ext4_iloc iloc;
- if (unlikely(copied < len)) {
- if (!PageUptodate(page)) {
- copied = 0;
- goto out;
- }
- }
+ if (unlikely(copied < len) && !PageUptodate(page))
+ return 0;
ret = ext4_get_inode_loc(inode, &iloc);
if (ret) {
ext4_std_error(inode->i_sb, ret);
- copied = 0;
- goto out;
+ return ret;
}
ext4_write_lock_xattr(inode, &no_expand);
@@ -757,7 +752,7 @@ int ext4_write_inline_data_end(struct inode *inode, loff_t pos, unsigned len,
(void) ext4_find_inline_data_nolock(inode);
kaddr = kmap_atomic(page);
- ext4_write_inline_data(inode, &iloc, kaddr, pos, len);
+ ext4_write_inline_data(inode, &iloc, kaddr, pos, copied);
kunmap_atomic(kaddr);
SetPageUptodate(page);
/* clear page dirty so that writepages wouldn't work for us. */
@@ -766,7 +761,7 @@ int ext4_write_inline_data_end(struct inode *inode, loff_t pos, unsigned len,
ext4_write_unlock_xattr(inode, &no_expand);
brelse(iloc.bh);
mark_inode_dirty(inode);
-out:
+
return copied;
}
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 48b467353f6f..dcbd8ac8d471 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1439,6 +1439,7 @@ static int ext4_write_end(struct file *file,
goto errout;
}
copied = ret;
+ ret = 0;
} else
copied = block_write_end(file, mapping, pos,
len, copied, page, fsdata);
@@ -1465,13 +1466,14 @@ static int ext4_write_end(struct file *file,
if (i_size_changed || inline_data)
ext4_mark_inode_dirty(handle, inode);
+errout:
if (pos + len > inode->i_size && !verity && ext4_can_truncate(inode))
/* if we have allocated more blocks and copied
* less. We will have blocks allocated outside
* inode->i_size. So truncate them
*/
ext4_orphan_add(handle, inode);
-errout:
+
ret2 = ext4_journal_stop(handle);
if (!ret)
ret = ret2;
@@ -1554,6 +1556,7 @@ static int ext4_journalled_write_end(struct file *file,
goto errout;
}
copied = ret;
+ ret = 0;
} else if (unlikely(copied < len) && !PageUptodate(page)) {
copied = 0;
ext4_journalled_zero_new_buffers(handle, page, from, to);
@@ -1583,6 +1586,7 @@ static int ext4_journalled_write_end(struct file *file,
ret = ret2;
}
+errout:
if (pos + len > inode->i_size && !verity && ext4_can_truncate(inode))
/* if we have allocated more blocks and copied
* less. We will have blocks allocated outside
@@ -1590,7 +1594,6 @@ static int ext4_journalled_write_end(struct file *file,
*/
ext4_orphan_add(handle, inode);
-errout:
ret2 = ext4_journal_stop(handle);
if (!ret)
ret = ret2;
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 5710b80f8050..afee5d5eb945 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1500,7 +1500,7 @@ extern struct pid *cad_pid;
#define tsk_used_math(p) ((p)->flags & PF_USED_MATH)
#define used_math() tsk_used_math(current)
-static inline bool is_percpu_thread(void)
+static __always_inline bool is_percpu_thread(void)
{
#ifdef CONFIG_SMP
return (current->flags & PF_NO_SETAFFINITY) &&
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index b16f9236de14..d1585b54fb0b 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -11,6 +11,7 @@
#include <uapi/linux/pkt_sched.h>
#define DEFAULT_TX_QUEUE_LEN 1000
+#define STAB_SIZE_LOG_MAX 30
struct qdisc_walker {
int stop;
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index 8bb543b0e775..41268612bdd4 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -273,6 +273,7 @@ ip6t_do_table(struct sk_buff *skb,
* things we don't know, ie. tcp syn flag or ports). If the
* rule is also a fragment-specific rule, non-fragments won't
* match it. */
+ acpar.fragoff = 0;
acpar.hotdrop = false;
acpar.state = state;
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 1708b64d4109..d7ae7415d54d 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -60,7 +60,10 @@ static struct mesh_table *mesh_table_alloc(void)
atomic_set(&newtbl->entries, 0);
spin_lock_init(&newtbl->gates_lock);
spin_lock_init(&newtbl->walk_lock);
- rhashtable_init(&newtbl->rhead, &mesh_rht_params);
+ if (rhashtable_init(&newtbl->rhead, &mesh_rht_params)) {
+ kfree(newtbl);
+ return NULL;
+ }
return newtbl;
}
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 670d84e54db7..c7e6bf7c22c7 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -3952,7 +3952,8 @@ static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx)
if (!bssid)
return false;
if (ether_addr_equal(sdata->vif.addr, hdr->addr2) ||
- ether_addr_equal(sdata->u.ibss.bssid, hdr->addr2))
+ ether_addr_equal(sdata->u.ibss.bssid, hdr->addr2) ||
+ !is_valid_ether_addr(hdr->addr2))
return false;
if (ieee80211_is_beacon(hdr->frame_control))
return true;
diff --git a/net/netfilter/nf_nat_masquerade.c b/net/netfilter/nf_nat_masquerade.c
index 8e8a65d46345..acd73f717a08 100644
--- a/net/netfilter/nf_nat_masquerade.c
+++ b/net/netfilter/nf_nat_masquerade.c
@@ -9,8 +9,19 @@
#include <net/netfilter/nf_nat_masquerade.h>
+struct masq_dev_work {
+ struct work_struct work;
+ struct net *net;
+ union nf_inet_addr addr;
+ int ifindex;
+ int (*iter)(struct nf_conn *i, void *data);
+};
+
+#define MAX_MASQ_WORKER_COUNT 16
+
static DEFINE_MUTEX(masq_mutex);
static unsigned int masq_refcnt __read_mostly;
+static atomic_t masq_worker_count __read_mostly;
unsigned int
nf_nat_masquerade_ipv4(struct sk_buff *skb, unsigned int hooknum,
@@ -63,13 +74,71 @@ nf_nat_masquerade_ipv4(struct sk_buff *skb, unsigned int hooknum,
}
EXPORT_SYMBOL_GPL(nf_nat_masquerade_ipv4);
-static int device_cmp(struct nf_conn *i, void *ifindex)
+static void iterate_cleanup_work(struct work_struct *work)
+{
+ struct masq_dev_work *w;
+
+ w = container_of(work, struct masq_dev_work, work);
+
+ nf_ct_iterate_cleanup_net(w->net, w->iter, (void *)w, 0, 0);
+
+ put_net(w->net);
+ kfree(w);
+ atomic_dec(&masq_worker_count);
+ module_put(THIS_MODULE);
+}
+
+/* Iterate conntrack table in the background and remove conntrack entries
+ * that use the device/address being removed.
+ *
+ * In case too many work items have been queued already or memory allocation
+ * fails iteration is skipped, conntrack entries will time out eventually.
+ */
+static void nf_nat_masq_schedule(struct net *net, union nf_inet_addr *addr,
+ int ifindex,
+ int (*iter)(struct nf_conn *i, void *data),
+ gfp_t gfp_flags)
+{
+ struct masq_dev_work *w;
+
+ if (atomic_read(&masq_worker_count) > MAX_MASQ_WORKER_COUNT)
+ return;
+
+ net = maybe_get_net(net);
+ if (!net)
+ return;
+
+ if (!try_module_get(THIS_MODULE))
+ goto err_module;
+
+ w = kzalloc(sizeof(*w), gfp_flags);
+ if (w) {
+ /* We can overshoot MAX_MASQ_WORKER_COUNT, no big deal */
+ atomic_inc(&masq_worker_count);
+
+ INIT_WORK(&w->work, iterate_cleanup_work);
+ w->ifindex = ifindex;
+ w->net = net;
+ w->iter = iter;
+ if (addr)
+ w->addr = *addr;
+ schedule_work(&w->work);
+ return;
+ }
+
+ module_put(THIS_MODULE);
+ err_module:
+ put_net(net);
+}
+
+static int device_cmp(struct nf_conn *i, void *arg)
{
const struct nf_conn_nat *nat = nfct_nat(i);
+ const struct masq_dev_work *w = arg;
if (!nat)
return 0;
- return nat->masq_index == (int)(long)ifindex;
+ return nat->masq_index == w->ifindex;
}
static int masq_device_event(struct notifier_block *this,
@@ -85,8 +154,8 @@ static int masq_device_event(struct notifier_block *this,
* and forget them.
*/
- nf_ct_iterate_cleanup_net(net, device_cmp,
- (void *)(long)dev->ifindex, 0, 0);
+ nf_nat_masq_schedule(net, NULL, dev->ifindex,
+ device_cmp, GFP_KERNEL);
}
return NOTIFY_DONE;
@@ -94,35 +163,45 @@ static int masq_device_event(struct notifier_block *this,
static int inet_cmp(struct nf_conn *ct, void *ptr)
{
- struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
- struct net_device *dev = ifa->ifa_dev->dev;
struct nf_conntrack_tuple *tuple;
+ struct masq_dev_work *w = ptr;
- if (!device_cmp(ct, (void *)(long)dev->ifindex))
+ if (!device_cmp(ct, ptr))
return 0;
tuple = &ct->tuplehash[IP_CT_DIR_REPLY].tuple;
- return ifa->ifa_address == tuple->dst.u3.ip;
+ return nf_inet_addr_cmp(&w->addr, &tuple->dst.u3);
}
static int masq_inet_event(struct notifier_block *this,
unsigned long event,
void *ptr)
{
- struct in_device *idev = ((struct in_ifaddr *)ptr)->ifa_dev;
- struct net *net = dev_net(idev->dev);
+ const struct in_ifaddr *ifa = ptr;
+ const struct in_device *idev;
+ const struct net_device *dev;
+ union nf_inet_addr addr;
+
+ if (event != NETDEV_DOWN)
+ return NOTIFY_DONE;
/* The masq_dev_notifier will catch the case of the device going
* down. So if the inetdev is dead and being destroyed we have
* no work to do. Otherwise this is an individual address removal
* and we have to perform the flush.
*/
+ idev = ifa->ifa_dev;
if (idev->dead)
return NOTIFY_DONE;
- if (event == NETDEV_DOWN)
- nf_ct_iterate_cleanup_net(net, inet_cmp, ptr, 0, 0);
+ memset(&addr, 0, sizeof(addr));
+
+ addr.ip = ifa->ifa_address;
+
+ dev = idev->dev;
+ nf_nat_masq_schedule(dev_net(idev->dev), &addr, dev->ifindex,
+ inet_cmp, GFP_KERNEL);
return NOTIFY_DONE;
}
@@ -136,8 +215,6 @@ static struct notifier_block masq_inet_notifier = {
};
#if IS_ENABLED(CONFIG_IPV6)
-static atomic_t v6_worker_count __read_mostly;
-
static int
nat_ipv6_dev_get_saddr(struct net *net, const struct net_device *dev,
const struct in6_addr *daddr, unsigned int srcprefs,
@@ -187,40 +264,6 @@ nf_nat_masquerade_ipv6(struct sk_buff *skb, const struct nf_nat_range2 *range,
}
EXPORT_SYMBOL_GPL(nf_nat_masquerade_ipv6);
-struct masq_dev_work {
- struct work_struct work;
- struct net *net;
- struct in6_addr addr;
- int ifindex;
-};
-
-static int inet6_cmp(struct nf_conn *ct, void *work)
-{
- struct masq_dev_work *w = (struct masq_dev_work *)work;
- struct nf_conntrack_tuple *tuple;
-
- if (!device_cmp(ct, (void *)(long)w->ifindex))
- return 0;
-
- tuple = &ct->tuplehash[IP_CT_DIR_REPLY].tuple;
-
- return ipv6_addr_equal(&w->addr, &tuple->dst.u3.in6);
-}
-
-static void iterate_cleanup_work(struct work_struct *work)
-{
- struct masq_dev_work *w;
-
- w = container_of(work, struct masq_dev_work, work);
-
- nf_ct_iterate_cleanup_net(w->net, inet6_cmp, (void *)w, 0, 0);
-
- put_net(w->net);
- kfree(w);
- atomic_dec(&v6_worker_count);
- module_put(THIS_MODULE);
-}
-
/* atomic notifier; can't call nf_ct_iterate_cleanup_net (it can sleep).
*
* Defer it to the system workqueue.
@@ -233,36 +276,19 @@ static int masq_inet6_event(struct notifier_block *this,
{
struct inet6_ifaddr *ifa = ptr;
const struct net_device *dev;
- struct masq_dev_work *w;
- struct net *net;
+ union nf_inet_addr addr;
- if (event != NETDEV_DOWN || atomic_read(&v6_worker_count) >= 16)
+ if (event != NETDEV_DOWN)
return NOTIFY_DONE;
dev = ifa->idev->dev;
- net = maybe_get_net(dev_net(dev));
- if (!net)
- return NOTIFY_DONE;
- if (!try_module_get(THIS_MODULE))
- goto err_module;
+ memset(&addr, 0, sizeof(addr));
- w = kmalloc(sizeof(*w), GFP_ATOMIC);
- if (w) {
- atomic_inc(&v6_worker_count);
-
- INIT_WORK(&w->work, iterate_cleanup_work);
- w->ifindex = dev->ifindex;
- w->net = net;
- w->addr = ifa->addr;
- schedule_work(&w->work);
+ addr.in6 = ifa->addr;
- return NOTIFY_DONE;
- }
-
- module_put(THIS_MODULE);
- err_module:
- put_net(net);
+ nf_nat_masq_schedule(dev_net(dev), &addr, dev->ifindex, inet_cmp,
+ GFP_ATOMIC);
return NOTIFY_DONE;
}
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 3b1b5ee52137..e70f99033408 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -510,6 +510,12 @@ static struct qdisc_size_table *qdisc_get_stab(struct nlattr *opt,
return stab;
}
+ if (s->size_log > STAB_SIZE_LOG_MAX ||
+ s->cell_log > STAB_SIZE_LOG_MAX) {
+ NL_SET_ERR_MSG(extack, "Invalid logarithmic size of size table");
+ return ERR_PTR(-EINVAL);
+ }
+
stab = kmalloc(sizeof(*stab) + tsize * sizeof(u16), GFP_KERNEL);
if (!stab)
return ERR_PTR(-ENOMEM);
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