Re: Linux 5.10.87

From: Greg Kroah-Hartman
Date: Fri Dec 17 2021 - 05:21:20 EST


diff --git a/Makefile b/Makefile
index 5c1a33f1ecad..d627f4ae5af5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 10
-SUBLEVEL = 86
+SUBLEVEL = 87
EXTRAVERSION =
NAME = Dare mighty things

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 75f3ab531bdf..15af4dd52426 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -125,11 +125,22 @@ static void __init zone_sizes_init(unsigned long min, unsigned long max_low,
int pfn_valid(unsigned long pfn)
{
phys_addr_t addr = __pfn_to_phys(pfn);
+ unsigned long pageblock_size = PAGE_SIZE * pageblock_nr_pages;

if (__phys_to_pfn(addr) != pfn)
return 0;

- return memblock_is_map_memory(addr);
+ /*
+ * If address less than pageblock_size bytes away from a present
+ * memory chunk there still will be a memory map entry for it
+ * because we round freed memory map to the pageblock boundaries.
+ */
+ if (memblock_overlaps_region(&memblock.memory,
+ ALIGN_DOWN(addr, pageblock_size),
+ pageblock_size))
+ return 1;
+
+ return 0;
}
EXPORT_SYMBOL(pfn_valid);
#endif
@@ -313,14 +324,14 @@ static void __init free_unused_memmap(void)
*/
start = min(start,
ALIGN(prev_end, PAGES_PER_SECTION));
-#else
+#endif
/*
- * Align down here since the VM subsystem insists that the
- * memmap entries are valid from the bank start aligned to
- * MAX_ORDER_NR_PAGES.
+ * Align down here since many operations in VM subsystem
+ * presume that there are no holes in the memory map inside
+ * a pageblock
*/
- start = round_down(start, MAX_ORDER_NR_PAGES);
-#endif
+ start = round_down(start, pageblock_nr_pages);
+
/*
* If we had a previous bank, and there is a space
* between the current bank and the previous, free it.
@@ -329,17 +340,19 @@ static void __init free_unused_memmap(void)
free_memmap(prev_end, start);

/*
- * Align up here since the VM subsystem insists that the
- * memmap entries are valid from the bank end aligned to
- * MAX_ORDER_NR_PAGES.
+ * Align up here since many operations in VM subsystem
+ * presume that there are no holes in the memory map inside
+ * a pageblock
*/
- prev_end = ALIGN(end, MAX_ORDER_NR_PAGES);
+ prev_end = ALIGN(end, pageblock_nr_pages);
}

#ifdef CONFIG_SPARSEMEM
- if (!IS_ALIGNED(prev_end, PAGES_PER_SECTION))
+ if (!IS_ALIGNED(prev_end, PAGES_PER_SECTION)) {
+ prev_end = ALIGN(end, pageblock_nr_pages);
free_memmap(prev_end,
ALIGN(prev_end, PAGES_PER_SECTION));
+ }
#endif
}

diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index 000e8210000b..80fb5a4a5c05 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -27,6 +27,7 @@
#include <linux/vmalloc.h>
#include <linux/io.h>
#include <linux/sizes.h>
+#include <linux/memblock.h>

#include <asm/cp15.h>
#include <asm/cputype.h>
@@ -284,7 +285,8 @@ static void __iomem * __arm_ioremap_pfn_caller(unsigned long pfn,
* Don't allow RAM to be mapped with mismatched attributes - this
* causes problems with ARMv6+
*/
- if (WARN_ON(pfn_valid(pfn) && mtype != MT_MEMORY_RW))
+ if (WARN_ON(memblock_is_map_memory(PFN_PHYS(pfn)) &&
+ mtype != MT_MEMORY_RW))
return NULL;

area = get_vm_area_caller(size, VM_IOREMAP, caller);
diff --git a/arch/arm64/kvm/hyp/include/hyp/switch.h b/arch/arm64/kvm/hyp/include/hyp/switch.h
index 1f875a8f20c4..8116ae1e636a 100644
--- a/arch/arm64/kvm/hyp/include/hyp/switch.h
+++ b/arch/arm64/kvm/hyp/include/hyp/switch.h
@@ -406,6 +406,12 @@ static inline bool __hyp_handle_ptrauth(struct kvm_vcpu *vcpu)
*/
static inline bool fixup_guest_exit(struct kvm_vcpu *vcpu, u64 *exit_code)
{
+ /*
+ * Save PSTATE early so that we can evaluate the vcpu mode
+ * early on.
+ */
+ vcpu->arch.ctxt.regs.pstate = read_sysreg_el2(SYS_SPSR);
+
if (ARM_EXCEPTION_CODE(*exit_code) != ARM_EXCEPTION_IRQ)
vcpu->arch.fault.esr_el2 = read_sysreg_el2(SYS_ESR);

diff --git a/arch/arm64/kvm/hyp/include/hyp/sysreg-sr.h b/arch/arm64/kvm/hyp/include/hyp/sysreg-sr.h
index cce43bfe158f..0eacfb9d17b0 100644
--- a/arch/arm64/kvm/hyp/include/hyp/sysreg-sr.h
+++ b/arch/arm64/kvm/hyp/include/hyp/sysreg-sr.h
@@ -54,7 +54,12 @@ static inline void __sysreg_save_el1_state(struct kvm_cpu_context *ctxt)
static inline void __sysreg_save_el2_return_state(struct kvm_cpu_context *ctxt)
{
ctxt->regs.pc = read_sysreg_el2(SYS_ELR);
- ctxt->regs.pstate = read_sysreg_el2(SYS_SPSR);
+ /*
+ * Guest PSTATE gets saved at guest fixup time in all
+ * cases. We still need to handle the nVHE host side here.
+ */
+ if (!has_vhe() && ctxt->__hyp_running_vcpu)
+ ctxt->regs.pstate = read_sysreg_el2(SYS_SPSR);

if (cpus_have_final_cap(ARM64_HAS_RAS_EXTN))
ctxt_sys_reg(ctxt, DISR_EL1) = read_sysreg_s(SYS_VDISR_EL2);
diff --git a/arch/s390/lib/test_unwind.c b/arch/s390/lib/test_unwind.c
index 6bad84c372dc..b0b67e6d1f6e 100644
--- a/arch/s390/lib/test_unwind.c
+++ b/arch/s390/lib/test_unwind.c
@@ -171,10 +171,11 @@ static noinline int unwindme_func4(struct unwindme *u)
}

/*
- * trigger specification exception
+ * Trigger operation exception; use insn notation to bypass
+ * llvm's integrated assembler sanity checks.
*/
asm volatile(
- " mvcl %%r1,%%r1\n"
+ " .insn e,0x0000\n" /* illegal opcode */
"0: nopr %%r7\n"
EX_TABLE(0b, 0b)
:);
diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
index bb39f493447c..328f37e4fd3a 100644
--- a/arch/x86/kvm/hyperv.c
+++ b/arch/x86/kvm/hyperv.c
@@ -1641,11 +1641,13 @@ static u64 kvm_hv_send_ipi(struct kvm_vcpu *current_vcpu, u64 ingpa, u64 outgpa,

all_cpus = send_ipi_ex.vp_set.format == HV_GENERIC_SET_ALL;

+ if (all_cpus)
+ goto check_and_send_ipi;
+
if (!sparse_banks_len)
goto ret_success;

- if (!all_cpus &&
- kvm_read_guest(kvm,
+ if (kvm_read_guest(kvm,
ingpa + offsetof(struct hv_send_ipi_ex,
vp_set.bank_contents),
sparse_banks,
@@ -1653,6 +1655,7 @@ static u64 kvm_hv_send_ipi(struct kvm_vcpu *current_vcpu, u64 ingpa, u64 outgpa,
return HV_STATUS_INVALID_HYPERCALL_INPUT;
}

+check_and_send_ipi:
if ((vector < HV_IPI_LOW_VECTOR) || (vector > HV_IPI_HIGH_VECTOR))
return HV_STATUS_INVALID_HYPERCALL_INPUT;

diff --git a/drivers/char/agp/parisc-agp.c b/drivers/char/agp/parisc-agp.c
index ed3c4c42fc23..d68d05d5d383 100644
--- a/drivers/char/agp/parisc-agp.c
+++ b/drivers/char/agp/parisc-agp.c
@@ -281,7 +281,7 @@ agp_ioc_init(void __iomem *ioc_regs)
return 0;
}

-static int
+static int __init
lba_find_capability(int cap)
{
struct _parisc_agp_info *info = &parisc_agp_info;
@@ -366,7 +366,7 @@ parisc_agp_setup(void __iomem *ioc_hpa, void __iomem *lba_hpa)
return error;
}

-static int
+static int __init
find_quicksilver(struct device *dev, void *data)
{
struct parisc_device **lba = data;
@@ -378,7 +378,7 @@ find_quicksilver(struct device *dev, void *data)
return 0;
}

-static int
+static int __init
parisc_agp_init(void)
{
extern struct sba_device *sba_list;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c
index e00a30e7d252..04c20ce6e94d 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c
@@ -226,6 +226,14 @@ int amdgpu_dm_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name)
ret = -EINVAL;
goto cleanup;
}
+
+ if ((aconn->base.connector_type != DRM_MODE_CONNECTOR_DisplayPort) &&
+ (aconn->base.connector_type != DRM_MODE_CONNECTOR_eDP)) {
+ DRM_DEBUG_DRIVER("No DP connector available for CRC source\n");
+ ret = -EINVAL;
+ goto cleanup;
+ }
+
}

if (amdgpu_dm_crtc_configure_crc_source(crtc, crtc_state, source)) {
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index 59d48cf819ea..5f4cdb05c4db 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1698,6 +1698,10 @@ bool dc_is_stream_unchanged(
if (old_stream->ignore_msa_timing_param != stream->ignore_msa_timing_param)
return false;

+ // Only Have Audio left to check whether it is same or not. This is a corner case for Tiled sinks
+ if (old_stream->audio_info.mode_count != stream->audio_info.mode_count)
+ return false;
+
return true;
}

diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index 96b5dcf8e454..64454a63bbac 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -1692,6 +1692,8 @@ static int dsi_host_parse_lane_data(struct msm_dsi_host *msm_host,
if (!prop) {
DRM_DEV_DEBUG(dev,
"failed to find data lane mapping, using default\n");
+ /* Set the number of date lanes to 4 by default. */
+ msm_host->num_data_lanes = 4;
return 0;
}

diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmon.c
index 63b74e781c5d..87f401100466 100644
--- a/drivers/hwmon/dell-smm-hwmon.c
+++ b/drivers/hwmon/dell-smm-hwmon.c
@@ -603,15 +603,18 @@ static const struct proc_ops i8k_proc_ops = {
.proc_ioctl = i8k_ioctl,
};

+static struct proc_dir_entry *entry;
+
static void __init i8k_init_procfs(void)
{
/* Register the proc entry */
- proc_create("i8k", 0, NULL, &i8k_proc_ops);
+ entry = proc_create("i8k", 0, NULL, &i8k_proc_ops);
}

static void __exit i8k_exit_procfs(void)
{
- remove_proc_entry("i8k", NULL);
+ if (entry)
+ remove_proc_entry("i8k", NULL);
}

#else
diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
index 819ab4ee517e..02ddb237f69a 100644
--- a/drivers/i2c/busses/i2c-rk3x.c
+++ b/drivers/i2c/busses/i2c-rk3x.c
@@ -423,8 +423,8 @@ static void rk3x_i2c_handle_read(struct rk3x_i2c *i2c, unsigned int ipd)
if (!(ipd & REG_INT_MBRF))
return;

- /* ack interrupt */
- i2c_writel(i2c, REG_INT_MBRF, REG_IPD);
+ /* ack interrupt (read also produces a spurious START flag, clear it too) */
+ i2c_writel(i2c, REG_INT_MBRF | REG_INT_START, REG_IPD);

/* Can only handle a maximum of 32 bytes at a time */
if (len > 32)
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index 3616b77caa0a..01275c376721 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
@@ -663,7 +663,7 @@ void __init mlx4_en_init_ptys2ethtool_map(void)
MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_1000BASE_T, SPEED_1000,
ETHTOOL_LINK_MODE_1000baseT_Full_BIT);
MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_1000BASE_CX_SGMII, SPEED_1000,
- ETHTOOL_LINK_MODE_1000baseKX_Full_BIT);
+ ETHTOOL_LINK_MODE_1000baseX_Full_BIT);
MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_1000BASE_KX, SPEED_1000,
ETHTOOL_LINK_MODE_1000baseKX_Full_BIT);
MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_10GBASE_T, SPEED_10000,
@@ -675,9 +675,9 @@ void __init mlx4_en_init_ptys2ethtool_map(void)
MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_10GBASE_KR, SPEED_10000,
ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_10GBASE_CR, SPEED_10000,
- ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
+ ETHTOOL_LINK_MODE_10000baseCR_Full_BIT);
MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_10GBASE_SR, SPEED_10000,
- ETHTOOL_LINK_MODE_10000baseKR_Full_BIT);
+ ETHTOOL_LINK_MODE_10000baseSR_Full_BIT);
MLX4_BUILD_PTYS2ETHTOOL_CONFIG(MLX4_20GBASE_KR2, SPEED_20000,
ETHTOOL_LINK_MODE_20000baseMLD2_Full_BIT,
ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT);
diff --git a/drivers/staging/most/dim2/dim2.c b/drivers/staging/most/dim2/dim2.c
index 8c2f384233aa..2fd6886f7728 100644
--- a/drivers/staging/most/dim2/dim2.c
+++ b/drivers/staging/most/dim2/dim2.c
@@ -723,6 +723,23 @@ static int get_dim2_clk_speed(const char *clock_speed, u8 *val)
return -EINVAL;
}

+static void dim2_release(struct device *d)
+{
+ struct dim2_hdm *dev = container_of(d, struct dim2_hdm, dev);
+ unsigned long flags;
+
+ kthread_stop(dev->netinfo_task);
+
+ spin_lock_irqsave(&dim_lock, flags);
+ dim_shutdown();
+ spin_unlock_irqrestore(&dim_lock, flags);
+
+ if (dev->disable_platform)
+ dev->disable_platform(to_platform_device(d->parent));
+
+ kfree(dev);
+}
+
/*
* dim2_probe - dim2 probe handler
* @pdev: platform device structure
@@ -743,7 +760,7 @@ static int dim2_probe(struct platform_device *pdev)

enum { MLB_INT_IDX, AHB0_INT_IDX };

- dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
+ dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev)
return -ENOMEM;

@@ -755,25 +772,27 @@ static int dim2_probe(struct platform_device *pdev)
"microchip,clock-speed", &clock_speed);
if (ret) {
dev_err(&pdev->dev, "missing dt property clock-speed\n");
- return ret;
+ goto err_free_dev;
}

ret = get_dim2_clk_speed(clock_speed, &dev->clk_speed);
if (ret) {
dev_err(&pdev->dev, "bad dt property clock-speed\n");
- return ret;
+ goto err_free_dev;
}

res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
dev->io_base = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(dev->io_base))
- return PTR_ERR(dev->io_base);
+ if (IS_ERR(dev->io_base)) {
+ ret = PTR_ERR(dev->io_base);
+ goto err_free_dev;
+ }

of_id = of_match_node(dim2_of_match, pdev->dev.of_node);
pdata = of_id->data;
ret = pdata && pdata->enable ? pdata->enable(pdev) : 0;
if (ret)
- return ret;
+ goto err_free_dev;

dev->disable_platform = pdata ? pdata->disable : NULL;

@@ -864,24 +883,19 @@ static int dim2_probe(struct platform_device *pdev)
dev->most_iface.request_netinfo = request_netinfo;
dev->most_iface.driver_dev = &pdev->dev;
dev->most_iface.dev = &dev->dev;
- dev->dev.init_name = "dim2_state";
+ dev->dev.init_name = dev->name;
dev->dev.parent = &pdev->dev;
+ dev->dev.release = dim2_release;

- ret = most_register_interface(&dev->most_iface);
- if (ret) {
- dev_err(&pdev->dev, "failed to register MOST interface\n");
- goto err_stop_thread;
- }
-
- return 0;
+ return most_register_interface(&dev->most_iface);

-err_stop_thread:
- kthread_stop(dev->netinfo_task);
err_shutdown_dim:
dim_shutdown();
err_disable_platform:
if (dev->disable_platform)
dev->disable_platform(pdev);
+err_free_dev:
+ kfree(dev);

return ret;
}
@@ -895,17 +909,8 @@ static int dim2_probe(struct platform_device *pdev)
static int dim2_remove(struct platform_device *pdev)
{
struct dim2_hdm *dev = platform_get_drvdata(pdev);
- unsigned long flags;

most_deregister_interface(&dev->most_iface);
- kthread_stop(dev->netinfo_task);
-
- spin_lock_irqsave(&dim_lock, flags);
- dim_shutdown();
- spin_unlock_irqrestore(&dim_lock, flags);
-
- if (dev->disable_platform)
- dev->disable_platform(pdev);

return 0;
}
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index a70911a227a8..b9f8add284e3 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -2559,6 +2559,7 @@ OF_EARLYCON_DECLARE(lpuart, "fsl,vf610-lpuart", lpuart_early_console_setup);
OF_EARLYCON_DECLARE(lpuart32, "fsl,ls1021a-lpuart", lpuart32_early_console_setup);
OF_EARLYCON_DECLARE(lpuart32, "fsl,ls1028a-lpuart", ls1028a_early_console_setup);
OF_EARLYCON_DECLARE(lpuart32, "fsl,imx7ulp-lpuart", lpuart32_imx_early_console_setup);
+OF_EARLYCON_DECLARE(lpuart32, "fsl,imx8qxp-lpuart", lpuart32_imx_early_console_setup);
EARLYCON_DECLARE(lpuart, lpuart_early_console_setup);
EARLYCON_DECLARE(lpuart32, lpuart32_early_console_setup);

diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 2e300176cb88..e7667497b6b7 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -791,11 +791,19 @@ static int fuse_symlink(struct inode *dir, struct dentry *entry,
return create_new_entry(fm, &args, dir, entry, S_IFLNK);
}

+void fuse_flush_time_update(struct inode *inode)
+{
+ int err = sync_inode_metadata(inode, 1);
+
+ mapping_set_error(inode->i_mapping, err);
+}
+
void fuse_update_ctime(struct inode *inode)
{
if (!IS_NOCMTIME(inode)) {
inode->i_ctime = current_time(inode);
mark_inode_dirty_sync(inode);
+ fuse_flush_time_update(inode);
}
}

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index c9606f2d2864..4dd70b53df81 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1849,6 +1849,17 @@ int fuse_write_inode(struct inode *inode, struct writeback_control *wbc)
struct fuse_file *ff;
int err;

+ /*
+ * Inode is always written before the last reference is dropped and
+ * hence this should not be reached from reclaim.
+ *
+ * Writing back the inode from reclaim can deadlock if the request
+ * processing itself needs an allocation. Allocations triggering
+ * reclaim while serving a request can't be prevented, because it can
+ * involve any number of unrelated userspace processes.
+ */
+ WARN_ON(wbc->for_reclaim);
+
ff = __fuse_write_file_get(fc, fi);
err = fuse_flush_times(inode, ff);
if (ff)
@@ -3338,6 +3349,8 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
if (lock_inode)
inode_unlock(inode);

+ fuse_flush_time_update(inode);
+
return err;
}

@@ -3447,6 +3460,8 @@ static ssize_t __fuse_copy_file_range(struct file *file_in, loff_t pos_in,
inode_unlock(inode_out);
file_accessed(file_in);

+ fuse_flush_time_update(inode_out);
+
return err;
}

diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index ff94da684017..b159d8b5e893 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -1113,6 +1113,7 @@ int fuse_allow_current_process(struct fuse_conn *fc);

u64 fuse_lock_owner_id(struct fuse_conn *fc, fl_owner_t id);

+void fuse_flush_time_update(struct inode *inode);
void fuse_update_ctime(struct inode *inode);

int fuse_update_attributes(struct inode *inode, struct file *file);
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 053c56af3b6f..5e484676343e 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -119,6 +119,9 @@ static void fuse_evict_inode(struct inode *inode)
{
struct fuse_inode *fi = get_fuse_inode(inode);

+ /* Will write inode on close/munmap and in all other dirtiers */
+ WARN_ON(inode->i_state & I_DIRTY_INODE);
+
truncate_inode_pages_final(&inode->i_data);
clear_inode(inode);
if (inode->i_sb->s_flags & SB_ACTIVE) {
diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c
index b5be9659ab59..01149821ded9 100644
--- a/kernel/bpf/devmap.c
+++ b/kernel/bpf/devmap.c
@@ -92,7 +92,7 @@ static struct hlist_head *dev_map_create_hash(unsigned int entries,
int i;
struct hlist_head *hash;

- hash = bpf_map_area_alloc(entries * sizeof(*hash), numa_node);
+ hash = bpf_map_area_alloc((u64) entries * sizeof(*hash), numa_node);
if (hash != NULL)
for (i = 0; i < entries; i++)
INIT_HLIST_HEAD(&hash[i]);
@@ -153,7 +153,7 @@ static int dev_map_init_map(struct bpf_dtab *dtab, union bpf_attr *attr)

spin_lock_init(&dtab->index_lock);
} else {
- dtab->netdev_map = bpf_map_area_alloc(dtab->map.max_entries *
+ dtab->netdev_map = bpf_map_area_alloc((u64) dtab->map.max_entries *
sizeof(struct bpf_dtab_netdev *),
dtab->map.numa_node);
if (!dtab->netdev_map)
diff --git a/kernel/trace/tracing_map.c b/kernel/trace/tracing_map.c
index d63e51dde0d2..51a9d1185033 100644
--- a/kernel/trace/tracing_map.c
+++ b/kernel/trace/tracing_map.c
@@ -15,6 +15,7 @@
#include <linux/jhash.h>
#include <linux/slab.h>
#include <linux/sort.h>
+#include <linux/kmemleak.h>

#include "tracing_map.h"
#include "trace.h"
@@ -307,6 +308,7 @@ static void tracing_map_array_free(struct tracing_map_array *a)
for (i = 0; i < a->n_pages; i++) {
if (!a->pages[i])
break;
+ kmemleak_free(a->pages[i]);
free_page((unsigned long)a->pages[i]);
}

@@ -342,6 +344,7 @@ static struct tracing_map_array *tracing_map_array_alloc(unsigned int n_elts,
a->pages[i] = (void *)get_zeroed_page(GFP_KERNEL);
if (!a->pages[i])
goto free;
+ kmemleak_alloc(a->pages[i], PAGE_SIZE, 1, GFP_KERNEL);
}
out:
return a;
diff --git a/mm/memblock.c b/mm/memblock.c
index c337df03b6a1..faa4de579b3d 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -182,6 +182,8 @@ bool __init_memblock memblock_overlaps_region(struct memblock_type *type,
{
unsigned long i;

+ memblock_cap_size(base, &size);
+
for (i = 0; i < type->cnt; i++)
if (memblock_addrs_overlap(base, size, type->regions[i].base,
type->regions[i].size))
@@ -1792,7 +1794,6 @@ bool __init_memblock memblock_is_region_memory(phys_addr_t base, phys_addr_t siz
*/
bool __init_memblock memblock_is_region_reserved(phys_addr_t base, phys_addr_t size)
{
- memblock_cap_size(base, &size);
return memblock_overlaps_region(&memblock.reserved, base, size);
}

diff --git a/net/core/sock_map.c b/net/core/sock_map.c
index ddc899e83313..4ea5bc65848f 100644
--- a/net/core/sock_map.c
+++ b/net/core/sock_map.c
@@ -52,7 +52,7 @@ static struct bpf_map *sock_map_alloc(union bpf_attr *attr)
if (err)
goto free_stab;

- stab->sks = bpf_map_area_alloc(stab->map.max_entries *
+ stab->sks = bpf_map_area_alloc((u64) stab->map.max_entries *
sizeof(struct sock *),
stab->map.numa_node);
if (stab->sks)
diff --git a/net/ethtool/netlink.h b/net/ethtool/netlink.h
index d8efec516d86..979dee6bb88c 100644
--- a/net/ethtool/netlink.h
+++ b/net/ethtool/netlink.h
@@ -249,6 +249,9 @@ struct ethnl_reply_data {

static inline int ethnl_ops_begin(struct net_device *dev)
{
+ if (dev && dev->reg_state == NETREG_UNREGISTERING)
+ return -ENODEV;
+
if (dev && dev->ethtool_ops->begin)
return dev->ethtool_ops->begin(dev);
else
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 0886267ea81e..e55af5c078ac 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1863,6 +1863,11 @@ static int netlink_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)
if (msg->msg_flags & MSG_OOB)
return -EOPNOTSUPP;

+ if (len == 0) {
+ pr_warn_once("Zero length message leads to an empty skb\n");
+ return -ENODATA;
+ }
+
err = scm_send(sock, msg, &scm, true);
if (err < 0)
return err;
diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
index 0767404636c1..78acc4e9ac93 100644
--- a/net/nfc/netlink.c
+++ b/net/nfc/netlink.c
@@ -636,8 +636,10 @@ static int nfc_genl_dump_devices_done(struct netlink_callback *cb)
{
struct class_dev_iter *iter = (struct class_dev_iter *) cb->args[0];

- nfc_device_iter_exit(iter);
- kfree(iter);
+ if (iter) {
+ nfc_device_iter_exit(iter);
+ kfree(iter);
+ }

return 0;
}
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 64115a796af0..3cc936f2cbf8 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -369,7 +369,10 @@ enum {
((pci)->device == 0x0c0c) || \
((pci)->device == 0x0d0c) || \
((pci)->device == 0x160c) || \
- ((pci)->device == 0x490d))
+ ((pci)->device == 0x490d) || \
+ ((pci)->device == 0x4f90) || \
+ ((pci)->device == 0x4f91) || \
+ ((pci)->device == 0x4f92))

#define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98)

@@ -2540,6 +2543,13 @@ static const struct pci_device_id azx_ids[] = {
/* DG1 */
{ PCI_DEVICE(0x8086, 0x490d),
.driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
+ /* DG2 */
+ { PCI_DEVICE(0x8086, 0x4f90),
+ .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
+ { PCI_DEVICE(0x8086, 0x4f91),
+ .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
+ { PCI_DEVICE(0x8086, 0x4f92),
+ .driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
/* Alderlake-S */
{ PCI_DEVICE(0x8086, 0x7ad0),
.driver_data = AZX_DRIVER_SKL | AZX_DCAPS_INTEL_SKYLAKE},
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index c65144715af7..fe725f0f0931 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -4362,10 +4362,11 @@ HDA_CODEC_ENTRY(0x8086280f, "Icelake HDMI", patch_i915_icl_hdmi),
HDA_CODEC_ENTRY(0x80862812, "Tigerlake HDMI", patch_i915_tgl_hdmi),
HDA_CODEC_ENTRY(0x80862814, "DG1 HDMI", patch_i915_tgl_hdmi),
HDA_CODEC_ENTRY(0x80862815, "Alderlake HDMI", patch_i915_tgl_hdmi),
-HDA_CODEC_ENTRY(0x8086281c, "Alderlake-P HDMI", patch_i915_tgl_hdmi),
HDA_CODEC_ENTRY(0x80862816, "Rocketlake HDMI", patch_i915_tgl_hdmi),
+HDA_CODEC_ENTRY(0x80862819, "DG2 HDMI", patch_i915_tgl_hdmi),
HDA_CODEC_ENTRY(0x8086281a, "Jasperlake HDMI", patch_i915_icl_hdmi),
HDA_CODEC_ENTRY(0x8086281b, "Elkhartlake HDMI", patch_i915_icl_hdmi),
+HDA_CODEC_ENTRY(0x8086281c, "Alderlake-P HDMI", patch_i915_tgl_hdmi),
HDA_CODEC_ENTRY(0x80862880, "CedarTrail HDMI", patch_generic_hdmi),
HDA_CODEC_ENTRY(0x80862882, "Valleyview2 HDMI", patch_i915_byt_hdmi),
HDA_CODEC_ENTRY(0x80862883, "Braswell HDMI", patch_i915_byt_hdmi),
diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
index 5378a14e3836..8f1a99e2fcd7 100644
--- a/tools/perf/builtin-inject.c
+++ b/tools/perf/builtin-inject.c
@@ -752,7 +752,7 @@ static int __cmd_inject(struct perf_inject *inject)
inject->tool.ordered_events = true;
inject->tool.ordering_requires_timestamps = true;
/* Allow space in the header for new attributes */
- output_data_offset = 4096;
+ output_data_offset = roundup(8192 + session->header.data_offset, 4096);
if (inject->strip)
strip_init(inject);
}
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
index e6029d4c096f..e4c485f92c02 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
@@ -1114,61 +1114,69 @@ static int intel_pt_walk_insn(struct intel_pt_decoder *decoder,

static bool intel_pt_fup_event(struct intel_pt_decoder *decoder)
{
+ enum intel_pt_sample_type type = decoder->state.type;
bool ret = false;

+ decoder->state.type &= ~INTEL_PT_BRANCH;
+
if (decoder->set_fup_tx_flags) {
decoder->set_fup_tx_flags = false;
decoder->tx_flags = decoder->fup_tx_flags;
- decoder->state.type = INTEL_PT_TRANSACTION;
+ decoder->state.type |= INTEL_PT_TRANSACTION;
if (decoder->fup_tx_flags & INTEL_PT_ABORT_TX)
decoder->state.type |= INTEL_PT_BRANCH;
- decoder->state.from_ip = decoder->ip;
- decoder->state.to_ip = 0;
decoder->state.flags = decoder->fup_tx_flags;
- return true;
+ ret = true;
}
if (decoder->set_fup_ptw) {
decoder->set_fup_ptw = false;
- decoder->state.type = INTEL_PT_PTW;
+ decoder->state.type |= INTEL_PT_PTW;
decoder->state.flags |= INTEL_PT_FUP_IP;
- decoder->state.from_ip = decoder->ip;
- decoder->state.to_ip = 0;
decoder->state.ptw_payload = decoder->fup_ptw_payload;
- return true;
+ ret = true;
}
if (decoder->set_fup_mwait) {
decoder->set_fup_mwait = false;
- decoder->state.type = INTEL_PT_MWAIT_OP;
- decoder->state.from_ip = decoder->ip;
- decoder->state.to_ip = 0;
+ decoder->state.type |= INTEL_PT_MWAIT_OP;
decoder->state.mwait_payload = decoder->fup_mwait_payload;
ret = true;
}
if (decoder->set_fup_pwre) {
decoder->set_fup_pwre = false;
decoder->state.type |= INTEL_PT_PWR_ENTRY;
- decoder->state.type &= ~INTEL_PT_BRANCH;
- decoder->state.from_ip = decoder->ip;
- decoder->state.to_ip = 0;
decoder->state.pwre_payload = decoder->fup_pwre_payload;
ret = true;
}
if (decoder->set_fup_exstop) {
decoder->set_fup_exstop = false;
decoder->state.type |= INTEL_PT_EX_STOP;
- decoder->state.type &= ~INTEL_PT_BRANCH;
decoder->state.flags |= INTEL_PT_FUP_IP;
- decoder->state.from_ip = decoder->ip;
- decoder->state.to_ip = 0;
ret = true;
}
if (decoder->set_fup_bep) {
decoder->set_fup_bep = false;
decoder->state.type |= INTEL_PT_BLK_ITEMS;
- decoder->state.type &= ~INTEL_PT_BRANCH;
+ ret = true;
+ }
+ if (decoder->overflow) {
+ decoder->overflow = false;
+ if (!ret && !decoder->pge) {
+ if (decoder->hop) {
+ decoder->state.type = 0;
+ decoder->pkt_state = INTEL_PT_STATE_RESAMPLE;
+ }
+ decoder->pge = true;
+ decoder->state.type |= INTEL_PT_BRANCH | INTEL_PT_TRACE_BEGIN;
+ decoder->state.from_ip = 0;
+ decoder->state.to_ip = decoder->ip;
+ return true;
+ }
+ }
+ if (ret) {
decoder->state.from_ip = decoder->ip;
decoder->state.to_ip = 0;
- ret = true;
+ } else {
+ decoder->state.type = type;
}
return ret;
}
@@ -1486,7 +1494,16 @@ static int intel_pt_overflow(struct intel_pt_decoder *decoder)
intel_pt_log("ERROR: Buffer overflow\n");
intel_pt_clear_tx_flags(decoder);
decoder->timestamp_insn_cnt = 0;
- decoder->pkt_state = INTEL_PT_STATE_ERR_RESYNC;
+ decoder->pkt_state = INTEL_PT_STATE_IN_SYNC;
+ decoder->state.from_ip = decoder->ip;
+ decoder->ip = 0;
+ decoder->pge = false;
+ decoder->set_fup_tx_flags = false;
+ decoder->set_fup_ptw = false;
+ decoder->set_fup_mwait = false;
+ decoder->set_fup_pwre = false;
+ decoder->set_fup_exstop = false;
+ decoder->set_fup_bep = false;
decoder->overflow = true;
return -EOVERFLOW;
}
@@ -1937,6 +1954,8 @@ static int intel_pt_scan_for_psb(struct intel_pt_decoder *decoder);
/* Hop mode: Ignore TNT, do not walk code, but get ip from FUPs and TIPs */
static int intel_pt_hop_trace(struct intel_pt_decoder *decoder, bool *no_tip, int *err)
{
+ *err = 0;
+
/* Leap from PSB to PSB, getting ip from FUP within PSB+ */
if (decoder->leap && !decoder->in_psb && decoder->packet.type != INTEL_PT_PSB) {
*err = intel_pt_scan_for_psb(decoder);
@@ -1949,6 +1968,7 @@ static int intel_pt_hop_trace(struct intel_pt_decoder *decoder, bool *no_tip, in
return HOP_IGNORE;

case INTEL_PT_TIP_PGD:
+ decoder->pge = false;
if (!decoder->packet.count)
return HOP_IGNORE;
intel_pt_set_ip(decoder);
@@ -1970,18 +1990,21 @@ static int intel_pt_hop_trace(struct intel_pt_decoder *decoder, bool *no_tip, in
if (!decoder->packet.count)
return HOP_IGNORE;
intel_pt_set_ip(decoder);
- if (intel_pt_fup_event(decoder))
- return HOP_RETURN;
- if (!decoder->branch_enable)
+ if (decoder->set_fup_mwait || decoder->set_fup_pwre)
+ *no_tip = true;
+ if (!decoder->branch_enable || !decoder->pge)
*no_tip = true;
if (*no_tip) {
decoder->state.type = INTEL_PT_INSTRUCTION;
decoder->state.from_ip = decoder->ip;
decoder->state.to_ip = 0;
+ intel_pt_fup_event(decoder);
return HOP_RETURN;
}
+ intel_pt_fup_event(decoder);
+ decoder->state.type |= INTEL_PT_INSTRUCTION | INTEL_PT_BRANCH;
*err = intel_pt_walk_fup_tip(decoder);
- if (!*err)
+ if (!*err && decoder->state.to_ip)
decoder->pkt_state = INTEL_PT_STATE_RESAMPLE;
return HOP_RETURN;

@@ -2050,6 +2073,7 @@ static int intel_pt_walk_trace(struct intel_pt_decoder *decoder)
if (err)
return err;
next:
+ err = 0;
if (decoder->cyc_threshold) {
if (decoder->sample_cyc && last_packet_type != INTEL_PT_CYC)
decoder->sample_cyc = false;
@@ -2088,6 +2112,7 @@ static int intel_pt_walk_trace(struct intel_pt_decoder *decoder)

case INTEL_PT_TIP_PGE: {
decoder->pge = true;
+ decoder->overflow = false;
intel_pt_mtc_cyc_cnt_pge(decoder);
if (decoder->packet.count == 0) {
intel_pt_log_at("Skipping zero TIP.PGE",
@@ -2124,7 +2149,7 @@ static int intel_pt_walk_trace(struct intel_pt_decoder *decoder)
break;
}
intel_pt_set_last_ip(decoder);
- if (!decoder->branch_enable) {
+ if (!decoder->branch_enable || !decoder->pge) {
decoder->ip = decoder->last_ip;
if (intel_pt_fup_event(decoder))
return 0;
@@ -2601,10 +2626,10 @@ static int intel_pt_sync_ip(struct intel_pt_decoder *decoder)
decoder->set_fup_pwre = false;
decoder->set_fup_exstop = false;
decoder->set_fup_bep = false;
+ decoder->overflow = false;

if (!decoder->branch_enable) {
decoder->pkt_state = INTEL_PT_STATE_IN_SYNC;
- decoder->overflow = false;
decoder->state.type = 0; /* Do not have a sample */
return 0;
}
@@ -2619,7 +2644,6 @@ static int intel_pt_sync_ip(struct intel_pt_decoder *decoder)
decoder->pkt_state = INTEL_PT_STATE_RESAMPLE;
else
decoder->pkt_state = INTEL_PT_STATE_IN_SYNC;
- decoder->overflow = false;

decoder->state.from_ip = 0;
decoder->state.to_ip = decoder->ip;
@@ -2732,7 +2756,7 @@ static int intel_pt_sync(struct intel_pt_decoder *decoder)
return err;

decoder->have_last_ip = true;
- decoder->pkt_state = INTEL_PT_STATE_NO_IP;
+ decoder->pkt_state = INTEL_PT_STATE_IN_SYNC;

err = intel_pt_walk_psb(decoder);
if (err)
@@ -2828,7 +2852,8 @@ const struct intel_pt_state *intel_pt_decode(struct intel_pt_decoder *decoder)

if (err) {
decoder->state.err = intel_pt_ext_err(err);
- decoder->state.from_ip = decoder->ip;
+ if (err != -EOVERFLOW)
+ decoder->state.from_ip = decoder->ip;
intel_pt_update_sample_time(decoder);
decoder->sample_tot_cyc_cnt = decoder->tot_cyc_cnt;
} else {
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index e5aaf1337be9..5163d2ffea70 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -2271,6 +2271,7 @@ static int intel_pt_run_decoder(struct intel_pt_queue *ptq, u64 *timestamp)
ptq->sync_switch = false;
intel_pt_next_tid(pt, ptq);
}
+ ptq->timestamp = state->est_timestamp;
if (pt->synth_opts.errors) {
err = intel_ptq_synth_error(ptq, state);
if (err)