diff --git a/Makefile b/Makefile index 0d41b0626c0c..bc58f206c0da 100644 --- a/Makefile +++ b/Makefile @@ -1,6 +1,6 @@ VERSION = 4 PATCHLEVEL = 4 -SUBLEVEL = 169 +SUBLEVEL = 170 EXTRAVERSION = NAME = Blurry Fish Butt diff --git a/arch/arm/mach-imx/cpuidle-imx6sx.c b/arch/arm/mach-imx/cpuidle-imx6sx.c index 3c6672b3796b..7f5df8992008 100644 --- a/arch/arm/mach-imx/cpuidle-imx6sx.c +++ b/arch/arm/mach-imx/cpuidle-imx6sx.c @@ -97,7 +97,7 @@ int __init imx6sx_cpuidle_init(void) * except for power up sw2iso which need to be * larger than LDO ramp up time. */ - imx_gpc_set_arm_power_up_timing(2, 1); + imx_gpc_set_arm_power_up_timing(0xf, 1); imx_gpc_set_arm_power_down_timing(1, 1); return cpuidle_register(&imx6sx_cpuidle_driver, NULL); diff --git a/arch/mips/boot/compressed/calc_vmlinuz_load_addr.c b/arch/mips/boot/compressed/calc_vmlinuz_load_addr.c index 37fe58c19a90..542c3ede9722 100644 --- a/arch/mips/boot/compressed/calc_vmlinuz_load_addr.c +++ b/arch/mips/boot/compressed/calc_vmlinuz_load_addr.c @@ -13,6 +13,7 @@ #include <stdint.h> #include <stdio.h> #include <stdlib.h> +#include "../../../../include/linux/sizes.h" int main(int argc, char *argv[]) { @@ -45,11 +46,11 @@ int main(int argc, char *argv[]) vmlinuz_load_addr = vmlinux_load_addr + vmlinux_size; /* - * Align with 16 bytes: "greater than that used for any standard data - * types by a MIPS compiler." -- See MIPS Run Linux (Second Edition). + * Align with 64KB: KEXEC needs load sections to be aligned to PAGE_SIZE, + * which may be as large as 64KB depending on the kernel configuration. */ - vmlinuz_load_addr += (16 - vmlinux_size % 16); + vmlinuz_load_addr += (SZ_64K - vmlinux_size % SZ_64K); printf("0x%llx\n", vmlinuz_load_addr); diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h index cf661a2fb141..16fade4f49dd 100644 --- a/arch/mips/include/asm/pgtable-64.h +++ b/arch/mips/include/asm/pgtable-64.h @@ -189,6 +189,11 @@ static inline int pmd_bad(pmd_t pmd) static inline int pmd_present(pmd_t pmd) { +#ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT + if (unlikely(pmd_val(pmd) & _PAGE_HUGE)) + return pmd_val(pmd) & _PAGE_PRESENT; +#endif + return pmd_val(pmd) != (unsigned long) invalid_pte_table; } diff --git a/arch/powerpc/boot/crt0.S b/arch/powerpc/boot/crt0.S index 5c2199857aa8..a3550e8f1a77 100644 --- a/arch/powerpc/boot/crt0.S +++ b/arch/powerpc/boot/crt0.S @@ -15,7 +15,7 @@ RELA = 7 RELACOUNT = 0x6ffffff9 - .text + .data /* A procedure descriptor used when booting this as a COFF file. * When making COFF, this comes first in the link and we're * linked at 0x500000. @@ -23,6 +23,8 @@ RELACOUNT = 0x6ffffff9 .globl _zimage_start_opd _zimage_start_opd: .long 0x500000, 0, 0, 0 + .text + b _zimage_start #ifdef __powerpc64__ .balign 8 diff --git a/arch/x86/crypto/chacha20_glue.c b/arch/x86/crypto/chacha20_glue.c index 8baaff5af0b5..75b9d43069f1 100644 --- a/arch/x86/crypto/chacha20_glue.c +++ b/arch/x86/crypto/chacha20_glue.c @@ -77,6 +77,7 @@ static int chacha20_simd(struct blkcipher_desc *desc, struct scatterlist *dst, blkcipher_walk_init(&walk, dst, src, nbytes); err = blkcipher_walk_virt_block(desc, &walk, CHACHA20_BLOCK_SIZE); + desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP; crypto_chacha20_init(state, crypto_blkcipher_ctx(desc->tfm), walk.iv); diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index c048d0d70cc4..2cb49ac1b2b2 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -1200,7 +1200,7 @@ asmlinkage void kvm_spurious_fault(void); "cmpb $0, kvm_rebooting \n\t" \ "jne 668b \n\t" \ __ASM_SIZE(push) " $666b \n\t" \ - "call kvm_spurious_fault \n\t" \ + "jmp kvm_spurious_fault \n\t" \ ".popsection \n\t" \ _ASM_EXTABLE(666b, 667b) diff --git a/arch/x86/kernel/cpu/mtrr/if.c b/arch/x86/kernel/cpu/mtrr/if.c index d76f13d6d8d6..ec894bf5eeb0 100644 --- a/arch/x86/kernel/cpu/mtrr/if.c +++ b/arch/x86/kernel/cpu/mtrr/if.c @@ -173,6 +173,8 @@ mtrr_ioctl(struct file *file, unsigned int cmd, unsigned long __arg) struct mtrr_gentry gentry; void __user *arg = (void __user *) __arg; + memset(&gentry, 0, sizeof(gentry)); + switch (cmd) { case MTRRIOC_ADD_ENTRY: case MTRRIOC_SET_ENTRY: diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index e4b5fd72ca24..3bdb2e747b89 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -6163,9 +6163,24 @@ static int handle_ept_misconfig(struct kvm_vcpu *vcpu) gpa = vmcs_read64(GUEST_PHYSICAL_ADDRESS); if (!kvm_io_bus_write(vcpu, KVM_FAST_MMIO_BUS, gpa, 0, NULL)) { - skip_emulated_instruction(vcpu); trace_kvm_fast_mmio(gpa); - return 1; + /* + * Doing kvm_skip_emulated_instruction() depends on undefined + * behavior: Intel's manual doesn't mandate + * VM_EXIT_INSTRUCTION_LEN to be set in VMCS when EPT MISCONFIG + * occurs and while on real hardware it was observed to be set, + * other hypervisors (namely Hyper-V) don't set it, we end up + * advancing IP with some random value. Disable fast mmio when + * running nested and keep it for real hardware in hope that + * VM_EXIT_INSTRUCTION_LEN will always be set correctly. + */ + if (!static_cpu_has(X86_FEATURE_HYPERVISOR)) { + skip_emulated_instruction(vcpu); + return 1; + } + else + return x86_emulate_instruction(vcpu, gpa, EMULTYPE_SKIP, + NULL, 0) == EMULATE_DONE; } ret = handle_mmio_page_fault(vcpu, gpa, true); diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index aa1a0277a678..1a934bb8ed1c 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -5436,7 +5436,8 @@ int x86_emulate_instruction(struct kvm_vcpu *vcpu, * handle watchpoints yet, those would be handled in * the emulate_ops. */ - if (kvm_vcpu_check_breakpoint(vcpu, &r)) + if (!(emulation_type & EMULTYPE_SKIP) && + kvm_vcpu_check_breakpoint(vcpu, &r)) return r; ctxt->interruptibility = 0; diff --git a/drivers/gpio/gpio-max7301.c b/drivers/gpio/gpio-max7301.c index 05813fbf3daf..647dfbbc4e1c 100644 --- a/drivers/gpio/gpio-max7301.c +++ b/drivers/gpio/gpio-max7301.c @@ -25,7 +25,7 @@ static int max7301_spi_write(struct device *dev, unsigned int reg, struct spi_device *spi = to_spi_device(dev); u16 word = ((reg & 0x7F) << 8) | (val & 0xFF); - return spi_write(spi, (const u8 *)&word, sizeof(word)); + return spi_write_then_read(spi, &word, sizeof(word), NULL, 0); } /* A read from the MAX7301 means two transfers; here, one message each */ @@ -37,14 +37,8 @@ static int max7301_spi_read(struct device *dev, unsigned int reg) struct spi_device *spi = to_spi_device(dev); word = 0x8000 | (reg << 8); - ret = spi_write(spi, (const u8 *)&word, sizeof(word)); - if (ret) - return ret; - /* - * This relies on the fact, that a transfer with NULL tx_buf shifts out - * zero bytes (=NOOP for MAX7301) - */ - ret = spi_read(spi, (u8 *)&word, sizeof(word)); + ret = spi_write_then_read(spi, &word, sizeof(word), &word, + sizeof(word)); if (ret) return ret; return word & 0xff; diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c index 8ce2a0c59116..a7030ada81fd 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c @@ -36,6 +36,7 @@ #include <linux/pci.h> #include <linux/export.h> +#include <linux/nospec.h> static int drm_version(struct drm_device *dev, void *data, struct drm_file *file_priv); @@ -702,13 +703,17 @@ long drm_ioctl(struct file *filp, if (is_driver_ioctl) { /* driver ioctl */ - if (nr - DRM_COMMAND_BASE >= dev->driver->num_ioctls) + unsigned int index = nr - DRM_COMMAND_BASE; + + if (index >= dev->driver->num_ioctls) goto err_i1; - ioctl = &dev->driver->ioctls[nr - DRM_COMMAND_BASE]; + index = array_index_nospec(index, dev->driver->num_ioctls); + ioctl = &dev->driver->ioctls[index]; } else { /* core ioctl */ if (nr >= DRM_CORE_IOCTL_COUNT) goto err_i1; + nr = array_index_nospec(nr, DRM_CORE_IOCTL_COUNT); ioctl = &drm_ioctls[nr]; } @@ -810,6 +815,7 @@ bool drm_ioctl_flags(unsigned int nr, unsigned int *flags) if (nr >= DRM_CORE_IOCTL_COUNT) return false; + nr = array_index_nospec(nr, DRM_CORE_IOCTL_COUNT); *flags = drm_ioctls[nr].flags; return true; diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index 802dcb409030..b877cce0409b 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -316,6 +316,8 @@ static ssize_t out_intr_mask_show(struct device *dev, if (!hv_dev->channel) return -ENODEV; + if (hv_dev->channel->state != CHANNEL_OPENED_STATE) + return -EINVAL; hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound); return sprintf(buf, "%d\n", outbound.current_interrupt_mask); } @@ -329,6 +331,8 @@ static ssize_t out_read_index_show(struct device *dev, if (!hv_dev->channel) return -ENODEV; + if (hv_dev->channel->state != CHANNEL_OPENED_STATE) + return -EINVAL; hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound); return sprintf(buf, "%d\n", outbound.current_read_index); } @@ -343,6 +347,8 @@ static ssize_t out_write_index_show(struct device *dev, if (!hv_dev->channel) return -ENODEV; + if (hv_dev->channel->state != CHANNEL_OPENED_STATE) + return -EINVAL; hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound); return sprintf(buf, "%d\n", outbound.current_write_index); } @@ -357,6 +363,8 @@ static ssize_t out_read_bytes_avail_show(struct device *dev, if (!hv_dev->channel) return -ENODEV; + if (hv_dev->channel->state != CHANNEL_OPENED_STATE) + return -EINVAL; hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound); return sprintf(buf, "%d\n", outbound.bytes_avail_toread); } @@ -371,6 +379,8 @@ static ssize_t out_write_bytes_avail_show(struct device *dev, if (!hv_dev->channel) return -ENODEV; + if (hv_dev->channel->state != CHANNEL_OPENED_STATE) + return -EINVAL; hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound); return sprintf(buf, "%d\n", outbound.bytes_avail_towrite); } @@ -384,6 +394,8 @@ static ssize_t in_intr_mask_show(struct device *dev, if (!hv_dev->channel) return -ENODEV; + if (hv_dev->channel->state != CHANNEL_OPENED_STATE) + return -EINVAL; hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); return sprintf(buf, "%d\n", inbound.current_interrupt_mask); } @@ -397,6 +409,8 @@ static ssize_t in_read_index_show(struct device *dev, if (!hv_dev->channel) return -ENODEV; + if (hv_dev->channel->state != CHANNEL_OPENED_STATE) + return -EINVAL; hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); return sprintf(buf, "%d\n", inbound.current_read_index); } @@ -410,6 +424,8 @@ static ssize_t in_write_index_show(struct device *dev, if (!hv_dev->channel) return -ENODEV; + if (hv_dev->channel->state != CHANNEL_OPENED_STATE) + return -EINVAL; hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); return sprintf(buf, "%d\n", inbound.current_write_index); } @@ -424,6 +440,8 @@ static ssize_t in_read_bytes_avail_show(struct device *dev, if (!hv_dev->channel) return -ENODEV; + if (hv_dev->channel->state != CHANNEL_OPENED_STATE) + return -EINVAL; hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); return sprintf(buf, "%d\n", inbound.bytes_avail_toread); } @@ -438,6 +456,8 @@ static ssize_t in_write_bytes_avail_show(struct device *dev, if (!hv_dev->channel) return -ENODEV; + if (hv_dev->channel->state != CHANNEL_OPENED_STATE) + return -EINVAL; hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound); return sprintf(buf, "%d\n", inbound.bytes_avail_towrite); } diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c index 70ca27e45602..9d9e47eb0842 100644 --- a/drivers/hwtracing/intel_th/msu.c +++ b/drivers/hwtracing/intel_th/msu.c @@ -1418,7 +1418,8 @@ nr_pages_store(struct device *dev, struct device_attribute *attr, if (!end) break; - len -= end - p; + /* consume the number and the following comma, hence +1 */ + len -= end - p + 1; p = end + 1; } while (len); diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c index f78c464899db..3d2c60c8de83 100644 --- a/drivers/input/keyboard/omap4-keypad.c +++ b/drivers/input/keyboard/omap4-keypad.c @@ -126,12 +126,8 @@ static irqreturn_t omap4_keypad_irq_handler(int irq, void *dev_id) { struct omap4_keypad *keypad_data = dev_id; - if (kbd_read_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS)) { - /* Disable interrupts */ - kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQENABLE, - OMAP4_VAL_IRQDISABLE); + if (kbd_read_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS)) return IRQ_WAKE_THREAD; - } return IRQ_NONE; } @@ -173,11 +169,6 @@ static irqreturn_t omap4_keypad_irq_thread_fn(int irq, void *dev_id) kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS, kbd_read_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS)); - /* enable interrupts */ - kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQENABLE, - OMAP4_DEF_IRQENABLE_EVENTEN | - OMAP4_DEF_IRQENABLE_LONGKEY); - return IRQ_HANDLED; } @@ -214,9 +205,10 @@ static void omap4_keypad_close(struct input_dev *input) disable_irq(keypad_data->irq); - /* Disable interrupts */ + /* Disable interrupts and wake-up events */ kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQENABLE, OMAP4_VAL_IRQDISABLE); + kbd_writel(keypad_data, OMAP4_KBD_WAKEUPENABLE, 0); /* clear pending interrupts */ kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS, @@ -364,7 +356,7 @@ static int omap4_keypad_probe(struct platform_device *pdev) } error = request_threaded_irq(keypad_data->irq, omap4_keypad_irq_handler, - omap4_keypad_irq_thread_fn, 0, + omap4_keypad_irq_thread_fn, IRQF_ONESHOT, "omap4-keypad", keypad_data); if (error) { dev_err(&pdev->dev, "failed to register interrupt\n"); diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c index 471984ec2db0..30adc5745cba 100644 --- a/drivers/input/mouse/elan_i2c_core.c +++ b/drivers/input/mouse/elan_i2c_core.c @@ -1240,6 +1240,7 @@ MODULE_DEVICE_TABLE(i2c, elan_id); static const struct acpi_device_id elan_acpi_id[] = { { "ELAN0000", 0 }, { "ELAN0100", 0 }, + { "ELAN0501", 0 }, { "ELAN0600", 0 }, { "ELAN0602", 0 }, { "ELAN0605", 0 }, diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 7feaa82f8c7c..8b4a4d95669a 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -2041,7 +2041,7 @@ static int domain_context_mapping_one(struct dmar_domain *domain, * than default. Unnecessary for PT mode. */ if (translation != CONTEXT_TT_PASS_THROUGH) { - for (agaw = domain->agaw; agaw != iommu->agaw; agaw--) { + for (agaw = domain->agaw; agaw > iommu->agaw; agaw--) { ret = -ENOMEM; pgd = phys_to_virt(dma_pte_addr(pgd)); if (!dma_pte_present(pgd)) @@ -2055,7 +2055,7 @@ static int domain_context_mapping_one(struct dmar_domain *domain, translation = CONTEXT_TT_MULTI_LEVEL; context_set_address_root(context, virt_to_phys(pgd)); - context_set_address_width(context, iommu->agaw); + context_set_address_width(context, agaw); } else { /* * In pass through mode, AW must be programmed to diff --git a/drivers/isdn/capi/kcapi.c b/drivers/isdn/capi/kcapi.c index dd7e38ac29bd..d15347de415a 100644 --- a/drivers/isdn/capi/kcapi.c +++ b/drivers/isdn/capi/kcapi.c @@ -851,7 +851,7 @@ u16 capi20_get_manufacturer(u32 contr, u8 *buf) u16 ret; if (contr == 0) { - strlcpy(buf, capi_manufakturer, CAPI_MANUFACTURER_LEN); + strncpy(buf, capi_manufakturer, CAPI_MANUFACTURER_LEN); return CAPI_NOERROR; } @@ -859,7 +859,7 @@ u16 capi20_get_manufacturer(u32 contr, u8 *buf) ctr = get_capi_ctr_by_nr(contr); if (ctr && ctr->state == CAPI_CTR_RUNNING) { - strlcpy(buf, ctr->manu, CAPI_MANUFACTURER_LEN); + strncpy(buf, ctr->manu, CAPI_MANUFACTURER_LEN); ret = CAPI_NOERROR; } else ret = CAPI_REGNOTINSTALLED; diff --git a/drivers/media/platform/vivid/vivid-vid-cap.c b/drivers/media/platform/vivid/vivid-vid-cap.c index ef5412311b2f..a84954f1be34 100644 --- a/drivers/media/platform/vivid/vivid-vid-cap.c +++ b/drivers/media/platform/vivid/vivid-vid-cap.c @@ -461,6 +461,8 @@ void vivid_update_format_cap(struct vivid_dev *dev, bool keep_controls) tpg_s_rgb_range(&dev->tpg, v4l2_ctrl_g_ctrl(dev->rgb_range_cap)); break; } + vfree(dev->bitmap_cap); + dev->bitmap_cap = NULL; vivid_update_quality(dev); tpg_reset_source(&dev->tpg, dev->src_rect.width, dev->src_rect.height, dev->field_cap); dev->crop_cap = dev->src_rect; diff --git a/drivers/misc/genwqe/card_utils.c b/drivers/misc/genwqe/card_utils.c index 524660510599..0c15ba21fa54 100644 --- a/drivers/misc/genwqe/card_utils.c +++ b/drivers/misc/genwqe/card_utils.c @@ -217,7 +217,7 @@ u32 genwqe_crc32(u8 *buff, size_t len, u32 init) void *__genwqe_alloc_consistent(struct genwqe_dev *cd, size_t size, dma_addr_t *dma_handle) { - if (get_order(size) > MAX_ORDER) + if (get_order(size) >= MAX_ORDER) return NULL; return dma_alloc_coherent(&cd->pci_dev->dev, size, dma_handle, diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 79a0c26e1419..a31789be0840 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1608,9 +1608,11 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, if (err) { pr_warn("%s: Enabling HPI failed\n", mmc_hostname(card->host)); + card->ext_csd.hpi_en = 0; err = 0; - } else + } else { card->ext_csd.hpi_en = 1; + } } /* diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index 6b814d7d6560..af937d3e8c3e 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -2117,7 +2117,6 @@ static int omap_hsmmc_probe(struct platform_device *pdev) mmc->max_blk_size = 512; /* Block Length at max can be 1024 */ mmc->max_blk_count = 0xFFFF; /* No. of Blocks is 16 bits */ mmc->max_req_size = mmc->max_blk_size * mmc->max_blk_count; - mmc->max_seg_size = mmc->max_req_size; mmc->caps |= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED | MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_ERASE; @@ -2174,6 +2173,17 @@ static int omap_hsmmc_probe(struct platform_device *pdev) goto err_irq; } + /* + * Limit the maximum segment size to the lower of the request size + * and the DMA engine device segment size limits. In reality, with + * 32-bit transfers, the DMA engine can do longer segments than this + * but there is no way to represent that in the DMA model - if we + * increase this figure here, we get warnings from the DMA API debug. + */ + mmc->max_seg_size = min3(mmc->max_req_size, + dma_get_max_seg_size(host->rx_chan->device->dev), + dma_get_max_seg_size(host->tx_chan->device->dev)); + /* Request IRQ for MMC operations */ ret = devm_request_irq(&pdev->dev, host->irq, omap_hsmmc_irq, 0, mmc_hostname(mmc), host); diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c index 2f9b12cf9ee5..61a9ab4fe047 100644 --- a/drivers/net/ethernet/ibm/ibmveth.c +++ b/drivers/net/ethernet/ibm/ibmveth.c @@ -1163,11 +1163,15 @@ out: map_failed_frags: last = i+1; - for (i = 0; i < last; i++) + for (i = 1; i < last; i++) dma_unmap_page(&adapter->vdev->dev, descs[i].fields.address, descs[i].fields.flags_len & IBMVETH_BUF_LEN_MASK, DMA_TO_DEVICE); + dma_unmap_single(&adapter->vdev->dev, + descs[0].fields.address, + descs[0].fields.flags_len & IBMVETH_BUF_LEN_MASK, + DMA_TO_DEVICE); map_failed: if (!firmware_has_feature(FW_FEATURE_CMO)) netdev_err(netdev, "tx: unable to map xmit buffer\n"); diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index 111d907e0c11..79cede19e0c4 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -2825,6 +2825,12 @@ static int hso_get_config_data(struct usb_interface *interface) return -EIO; } + /* check if we have a valid interface */ + if (if_num > 16) { + kfree(config_data); + return -EINVAL; + } + switch (config_data[if_num]) { case 0x0: result = 0; @@ -2895,10 +2901,18 @@ static int hso_probe(struct usb_interface *interface, /* Get the interface/port specification from either driver_info or from * the device itself */ - if (id->driver_info) + if (id->driver_info) { + /* if_num is controlled by the device, driver_info is a 0 terminated + * array. Make sure, the access is in bounds! */ + for (i = 0; i <= if_num; ++i) + if (((u32 *)(id->driver_info))[i] == 0) + goto exit; port_spec = ((u32 *)(id->driver_info))[if_num]; - else + } else { port_spec = hso_get_config_data(interface); + if (port_spec < 0) + goto exit; + } /* Check if we need to switch to alt interfaces prior to port * configuration */ diff --git a/drivers/net/wireless/b43/phy_common.c b/drivers/net/wireless/b43/phy_common.c index ec2b9c577b90..3644c9edaf81 100644 --- a/drivers/net/wireless/b43/phy_common.c +++ b/drivers/net/wireless/b43/phy_common.c @@ -616,7 +616,7 @@ struct b43_c32 b43_cordic(int theta) u8 i; s32 tmp; s8 signx = 1; - u32 angle = 0; + s32 angle = 0; struct b43_c32 ret = { .i = 39797, .q = 0, }; while (theta > (180 << 16)) diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 0a4bd73caae5..6f55ab4f7959 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -889,7 +889,7 @@ static RING_IDX xennet_fill_frags(struct netfront_queue *queue, if (skb_shinfo(skb)->nr_frags == MAX_SKB_FRAGS) { unsigned int pull_to = NETFRONT_SKB_CB(skb)->pull_to; - BUG_ON(pull_to <= skb_headlen(skb)); + BUG_ON(pull_to < skb_headlen(skb)); __pskb_pull_tail(skb, pull_to - skb_headlen(skb)); } if (unlikely(skb_shinfo(skb)->nr_frags >= MAX_SKB_FRAGS)) { diff --git a/drivers/power/olpc_battery.c b/drivers/power/olpc_battery.c index 9e29b1321648..15783869e1a0 100644 --- a/drivers/power/olpc_battery.c +++ b/drivers/power/olpc_battery.c @@ -427,14 +427,14 @@ static int olpc_bat_get_property(struct power_supply *psy, if (ret) return ret; - val->intval = (s16)be16_to_cpu(ec_word) * 100 / 256; + val->intval = (s16)be16_to_cpu(ec_word) * 10 / 256; break; case POWER_SUPPLY_PROP_TEMP_AMBIENT: ret = olpc_ec_cmd(EC_AMB_TEMP, NULL, 0, (void *)&ec_word, 2); if (ret) return ret; - val->intval = (int)be16_to_cpu(ec_word) * 100 / 256; + val->intval = (int)be16_to_cpu(ec_word) * 10 / 256; break; case POWER_SUPPLY_PROP_CHARGE_COUNTER: ret = olpc_ec_cmd(EC_BAT_ACR, NULL, 0, (void *)&ec_word, 2); diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index 38c8e308d4c8..a96c98e3fc73 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -275,16 +275,16 @@ static void zfcp_free_low_mem_buffers(struct zfcp_adapter *adapter) */ int zfcp_status_read_refill(struct zfcp_adapter *adapter) { - while (atomic_read(&adapter->stat_miss) > 0) + while (atomic_add_unless(&adapter->stat_miss, -1, 0)) if (zfcp_fsf_status_read(adapter->qdio)) { + atomic_inc(&adapter->stat_miss); /* undo add -1 */ if (atomic_read(&adapter->stat_miss) >= adapter->stat_read_buf_num) { zfcp_erp_adapter_reopen(adapter, 0, "axsref1"); return 1; } break; - } else - atomic_dec(&adapter->stat_miss); + } return 0; } diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c index d0b227ffbd5f..573aeec7a02b 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c +++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c @@ -2279,7 +2279,7 @@ static int _bnx2fc_create(struct net_device *netdev, if (!interface) { printk(KERN_ERR PFX "bnx2fc_interface_create failed\n"); rc = -ENOMEM; - goto ifput_err; + goto netdev_err; } if (netdev->priv_flags & IFF_802_1Q_VLAN) { diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c index cf04960cc3e6..1a1368f5863c 100644 --- a/drivers/spi/spi-bcm2835.c +++ b/drivers/spi/spi-bcm2835.c @@ -88,7 +88,7 @@ struct bcm2835_spi { u8 *rx_buf; int tx_len; int rx_len; - bool dma_pending; + unsigned int dma_pending; }; static inline u32 bcm2835_rd(struct bcm2835_spi *bs, unsigned reg) @@ -155,8 +155,7 @@ static irqreturn_t bcm2835_spi_interrupt(int irq, void *dev_id) /* Write as many bytes as possible to FIFO */ bcm2835_wr_fifo(bs); - /* based on flags decide if we can finish the transfer */ - if (bcm2835_rd(bs, BCM2835_SPI_CS) & BCM2835_SPI_CS_DONE) { + if (!bs->rx_len) { /* Transfer complete - reset SPI HW */ bcm2835_spi_reset_hw(master); /* wake up the framework */ @@ -233,10 +232,9 @@ static void bcm2835_spi_dma_done(void *data) * is called the tx-dma must have finished - can't get to this * situation otherwise... */ - dmaengine_terminate_all(master->dma_tx); - - /* mark as no longer pending */ - bs->dma_pending = 0; + if (cmpxchg(&bs->dma_pending, true, false)) { + dmaengine_terminate_all(master->dma_tx); + } /* and mark as completed */; complete(&master->xfer_completion); @@ -342,6 +340,7 @@ static int bcm2835_spi_transfer_one_dma(struct spi_master *master, if (ret) { /* need to reset on errors */ dmaengine_terminate_all(master->dma_tx); + bs->dma_pending = false; bcm2835_spi_reset_hw(master); return ret; } @@ -617,10 +616,9 @@ static void bcm2835_spi_handle_err(struct spi_master *master, struct bcm2835_spi *bs = spi_master_get_devdata(master); /* if an error occurred and we have an active dma, then terminate */ - if (bs->dma_pending) { + if (cmpxchg(&bs->dma_pending, true, false)) { dmaengine_terminate_all(master->dma_tx); dmaengine_terminate_all(master->dma_rx); - bs->dma_pending = 0; } /* and reset */ bcm2835_spi_reset_hw(master); diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 0a8e5ac891d4..3919ea066bf9 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -507,6 +507,13 @@ static int acm_tty_install(struct tty_driver *driver, struct tty_struct *tty) if (retval) goto error_init_termios; + /* + * Suppress initial echoing for some devices which might send data + * immediately after acm driver has been installed. + */ + if (acm->quirks & DISABLE_ECHO) + tty->termios.c_lflag &= ~ECHO; + tty->driver_data = acm; return 0; @@ -1677,6 +1684,9 @@ static const struct usb_device_id acm_ids[] = { { USB_DEVICE(0x0e8d, 0x0003), /* FIREFLY, MediaTek Inc; andrey.arapov@xxxxxxxxx */ .driver_info = NO_UNION_NORMAL, /* has no union descriptor */ }, + { USB_DEVICE(0x0e8d, 0x2000), /* MediaTek Inc Preloader */ + .driver_info = DISABLE_ECHO, /* DISABLE ECHO in termios flag */ + }, { USB_DEVICE(0x0e8d, 0x3329), /* MediaTek Inc GPS */ .driver_info = NO_UNION_NORMAL, /* has no union descriptor */ }, diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h index b30ac5fcde68..1ad9ff9f493d 100644 --- a/drivers/usb/class/cdc-acm.h +++ b/drivers/usb/class/cdc-acm.h @@ -134,3 +134,4 @@ struct acm { #define QUIRK_CONTROL_LINE_STATE BIT(6) #define CLEAR_HALT_CONDITIONS BIT(7) #define SEND_ZERO_PACKET BIT(8) +#define DISABLE_ECHO BIT(9) diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c index a11c2c8bda53..a217f71b45c6 100644 --- a/drivers/usb/host/r8a66597-hcd.c +++ b/drivers/usb/host/r8a66597-hcd.c @@ -1990,6 +1990,8 @@ static int r8a66597_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, static void r8a66597_endpoint_disable(struct usb_hcd *hcd, struct usb_host_endpoint *hep) +__acquires(r8a66597->lock) +__releases(r8a66597->lock) { struct r8a66597 *r8a66597 = hcd_to_r8a66597(hcd); struct r8a66597_pipe *pipe = (struct r8a66597_pipe *)hep->hcpriv; @@ -2002,13 +2004,14 @@ static void r8a66597_endpoint_disable(struct usb_hcd *hcd, return; pipenum = pipe->info.pipenum; + spin_lock_irqsave(&r8a66597->lock, flags); if (pipenum == 0) { kfree(hep->hcpriv); hep->hcpriv = NULL; + spin_unlock_irqrestore(&r8a66597->lock, flags); return; } - spin_lock_irqsave(&r8a66597->lock, flags); pipe_stop(r8a66597, pipe); pipe_irq_disable(r8a66597, pipenum); disable_irq_empty(r8a66597, pipenum); diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 5d21cd8359d4..421825b44202 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -1329,7 +1329,8 @@ int xhci_bus_suspend(struct usb_hcd *hcd) portsc_buf[port_index] = 0; /* Bail out if a USB3 port has a new device in link training */ - if ((t1 & PORT_PLS_MASK) == XDEV_POLLING) { + if ((hcd->speed >= HCD_USB3) && + (t1 & PORT_PLS_MASK) == XDEV_POLLING) { bus_state->bus_suspended = 0; spin_unlock_irqrestore(&xhci->lock, flags); xhci_dbg(xhci, "Bus suspend bailout, port in polling\n"); diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 2b81939fecd7..7bc2c9fef605 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1163,6 +1163,10 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920A4_1213, 0xff) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920A4_1214), .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) | RSVD(3) }, + { USB_DEVICE(TELIT_VENDOR_ID, 0x1900), /* Telit LN940 (QMI) */ + .driver_info = NCTRL(0) | RSVD(1) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1901, 0xff), /* Telit LN940 (MBIM) */ + .driver_info = NCTRL(0) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 0xff), .driver_info = RSVD(1) }, @@ -1327,6 +1331,7 @@ static const struct usb_device_id option_ids[] = { .driver_info = RSVD(4) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0414, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0417, 0xff, 0xff, 0xff) }, + { USB_DEVICE_INTERFACE_CLASS(ZTE_VENDOR_ID, 0x0602, 0xff) }, /* GosunCn ZTE WeLink ME3630 (MBIM mode) */ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1008, 0xff, 0xff, 0xff), .driver_info = RSVD(4) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1010, 0xff, 0xff, 0xff), @@ -1530,6 +1535,7 @@ static const struct usb_device_id option_ids[] = { .driver_info = RSVD(2) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1428, 0xff, 0xff, 0xff), /* Telewell TW-LTE 4G v2 */ .driver_info = RSVD(2) }, + { USB_DEVICE_INTERFACE_CLASS(ZTE_VENDOR_ID, 0x1476, 0xff) }, /* GosunCn ZTE WeLink ME3630 (ECM/NCM mode) */ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1533, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1534, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1535, 0xff, 0xff, 0xff) }, @@ -1757,6 +1763,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(ALINK_VENDOR_ID, ALINK_PRODUCT_3GU, 0xff, 0xff, 0xff) }, { USB_DEVICE(ALINK_VENDOR_ID, SIMCOM_PRODUCT_SIM7100E), .driver_info = RSVD(5) | RSVD(6) }, + { USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9003, 0xff) }, /* Simcom SIM7500/SIM7600 MBIM mode */ { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S_X200), .driver_info = NCTRL(0) | NCTRL(1) | RSVD(4) }, { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X220_X500D), @@ -1941,7 +1948,18 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_WMD200, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_6802, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_WMD300, 0xff, 0xff, 0xff) }, - { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x421d, 0xff, 0xff, 0xff) }, /* HP lt2523 (Novatel E371) */ + { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x421d, 0xff, 0xff, 0xff) }, /* HP lt2523 (Novatel E371) */ + { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0xa31d, 0xff, 0x06, 0x10) }, /* HP lt4132 (Huawei ME906s-158) */ + { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0xa31d, 0xff, 0x06, 0x12) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0xa31d, 0xff, 0x06, 0x13) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0xa31d, 0xff, 0x06, 0x14) }, + { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0xa31d, 0xff, 0x06, 0x1b) }, + { USB_DEVICE(0x1508, 0x1001), /* Fibocom NL668 */ + .driver_info = RSVD(4) | RSVD(5) | RSVD(6) }, + { USB_DEVICE(0x2cb7, 0x0104), /* Fibocom NL678 series */ + .driver_info = RSVD(4) | RSVD(5) }, + { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0105, 0xff), /* Fibocom NL678 series */ + .driver_info = RSVD(6) }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, option_ids); diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 3da25ad267a2..4966768d3c98 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -86,9 +86,14 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(YCCABLE_VENDOR_ID, YCCABLE_PRODUCT_ID) }, { USB_DEVICE(SUPERIAL_VENDOR_ID, SUPERIAL_PRODUCT_ID) }, { USB_DEVICE(HP_VENDOR_ID, HP_LD220_PRODUCT_ID) }, + { USB_DEVICE(HP_VENDOR_ID, HP_LD220TA_PRODUCT_ID) }, { USB_DEVICE(HP_VENDOR_ID, HP_LD960_PRODUCT_ID) }, + { USB_DEVICE(HP_VENDOR_ID, HP_LD960TA_PRODUCT_ID) }, { USB_DEVICE(HP_VENDOR_ID, HP_LCM220_PRODUCT_ID) }, { USB_DEVICE(HP_VENDOR_ID, HP_LCM960_PRODUCT_ID) }, + { USB_DEVICE(HP_VENDOR_ID, HP_LM920_PRODUCT_ID) }, + { USB_DEVICE(HP_VENDOR_ID, HP_LM940_PRODUCT_ID) }, + { USB_DEVICE(HP_VENDOR_ID, HP_TD620_PRODUCT_ID) }, { USB_DEVICE(CRESSI_VENDOR_ID, CRESSI_EDY_PRODUCT_ID) }, { USB_DEVICE(ZEAGLE_VENDOR_ID, ZEAGLE_N2ITION3_PRODUCT_ID) }, { USB_DEVICE(SONY_VENDOR_ID, SONY_QN3USB_PRODUCT_ID) }, diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h index 123289085ee2..a84f0959ab34 100644 --- a/drivers/usb/serial/pl2303.h +++ b/drivers/usb/serial/pl2303.h @@ -123,10 +123,15 @@ /* Hewlett-Packard POS Pole Displays */ #define HP_VENDOR_ID 0x03f0 +#define HP_LM920_PRODUCT_ID 0x026b +#define HP_TD620_PRODUCT_ID 0x0956 #define HP_LD960_PRODUCT_ID 0x0b39 #define HP_LCM220_PRODUCT_ID 0x3139 #define HP_LCM960_PRODUCT_ID 0x3239 #define HP_LD220_PRODUCT_ID 0x3524 +#define HP_LD220TA_PRODUCT_ID 0x4349 +#define HP_LD960TA_PRODUCT_ID 0x4439 +#define HP_LM940_PRODUCT_ID 0x5039 /* Cressi Edy (diving computer) PC interface */ #define CRESSI_VENDOR_ID 0x04b8 diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index c54d388310f0..2ed0a356d1d3 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -1550,6 +1550,8 @@ int vhost_add_used_n(struct vhost_virtqueue *vq, struct vring_used_elem *heads, return -EFAULT; } if (unlikely(vq->log_used)) { + /* Make sure used idx is seen before log. */ + smp_wmb(); /* Log used index update. */ log_write(vq->log_base, vq->log_addr + offsetof(struct vring_used, idx), diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 0e3de1bb6500..e7b54514d99a 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -3243,7 +3243,6 @@ retry: tcap->cap_id = t_cap_id; tcap->seq = t_seq - 1; tcap->issue_seq = t_seq - 1; - tcap->mseq = t_mseq; tcap->issued |= issued; tcap->implemented |= issued; if (cap == ci->i_auth_cap) diff --git a/fs/cifs/smb2maperror.c b/fs/cifs/smb2maperror.c index 8257a5a97cc0..98c25b969ab8 100644 --- a/fs/cifs/smb2maperror.c +++ b/fs/cifs/smb2maperror.c @@ -377,8 +377,8 @@ static const struct status_to_posix_error smb2_error_map_table[] = { {STATUS_NONEXISTENT_EA_ENTRY, -EIO, "STATUS_NONEXISTENT_EA_ENTRY"}, {STATUS_NO_EAS_ON_FILE, -ENODATA, "STATUS_NO_EAS_ON_FILE"}, {STATUS_EA_CORRUPT_ERROR, -EIO, "STATUS_EA_CORRUPT_ERROR"}, - {STATUS_FILE_LOCK_CONFLICT, -EIO, "STATUS_FILE_LOCK_CONFLICT"}, - {STATUS_LOCK_NOT_GRANTED, -EIO, "STATUS_LOCK_NOT_GRANTED"}, + {STATUS_FILE_LOCK_CONFLICT, -EACCES, "STATUS_FILE_LOCK_CONFLICT"}, + {STATUS_LOCK_NOT_GRANTED, -EACCES, "STATUS_LOCK_NOT_GRANTED"}, {STATUS_DELETE_PENDING, -ENOENT, "STATUS_DELETE_PENDING"}, {STATUS_CTL_FILE_NOT_SUPPORTED, -ENOSYS, "STATUS_CTL_FILE_NOT_SUPPORTED"}, diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c index 35502d4046f5..3a7f401e943c 100644 --- a/fs/dlm/lock.c +++ b/fs/dlm/lock.c @@ -1210,6 +1210,7 @@ static int create_lkb(struct dlm_ls *ls, struct dlm_lkb **lkb_ret) if (rv < 0) { log_error(ls, "create_lkb idr error %d", rv); + dlm_free_lkb(lkb); return rv; } @@ -4177,6 +4178,7 @@ static int receive_convert(struct dlm_ls *ls, struct dlm_message *ms) (unsigned long long)lkb->lkb_recover_seq, ms->m_header.h_nodeid, ms->m_lkid); error = -ENOENT; + dlm_put_lkb(lkb); goto fail; } @@ -4230,6 +4232,7 @@ static int receive_unlock(struct dlm_ls *ls, struct dlm_message *ms) lkb->lkb_id, lkb->lkb_remid, ms->m_header.h_nodeid, ms->m_lkid); error = -ENOENT; + dlm_put_lkb(lkb); goto fail; } @@ -5792,20 +5795,20 @@ int dlm_user_request(struct dlm_ls *ls, struct dlm_user_args *ua, goto out; } } - - /* After ua is attached to lkb it will be freed by dlm_free_lkb(). - When DLM_IFL_USER is set, the dlm knows that this is a userspace - lock and that lkb_astparam is the dlm_user_args structure. */ - error = set_lock_args(mode, &ua->lksb, flags, namelen, timeout_cs, fake_astfn, ua, fake_bastfn, &args); - lkb->lkb_flags |= DLM_IFL_USER; - if (error) { + kfree(ua->lksb.sb_lvbptr); + ua->lksb.sb_lvbptr = NULL; + kfree(ua); __put_lkb(ls, lkb); goto out; } + /* After ua is attached to lkb it will be freed by dlm_free_lkb(). + When DLM_IFL_USER is set, the dlm knows that this is a userspace + lock and that lkb_astparam is the dlm_user_args structure. */ + lkb->lkb_flags |= DLM_IFL_USER; error = request_lock(ls, lkb, name, namelen, &args); switch (error) { diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c index f3e72787e7f9..30e4e01db35a 100644 --- a/fs/dlm/lockspace.c +++ b/fs/dlm/lockspace.c @@ -673,11 +673,11 @@ static int new_lockspace(const char *name, const char *cluster, kfree(ls->ls_recover_buf); out_lkbidr: idr_destroy(&ls->ls_lkbidr); + out_rsbtbl: for (i = 0; i < DLM_REMOVE_NAMES_MAX; i++) { if (ls->ls_remove_names[i]) kfree(ls->ls_remove_names[i]); } - out_rsbtbl: vfree(ls->ls_rsbtbl); out_lsfree: if (do_unreg) diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index 1aec46733ef8..46d4fac48cf4 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -701,8 +701,11 @@ int ext4_try_to_write_inline_data(struct address_space *mapping, if (!PageUptodate(page)) { ret = ext4_read_inline_page(inode, page); - if (ret < 0) + if (ret < 0) { + unlock_page(page); + put_page(page); goto out_up_read; + } } ret = 1; diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index bad13f049fb0..2fc1564f62dd 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -1600,7 +1600,7 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input) } if (reserved_gdb || gdb_off == 0) { - if (ext4_has_feature_resize_inode(sb) || + if (!ext4_has_feature_resize_inode(sb) || !le16_to_cpu(es->s_reserved_gdt_blocks)) { ext4_warning(sb, "No reserved GDT blocks, can't resize"); diff --git a/fs/ext4/super.c b/fs/ext4/super.c index cd9cd581fd92..6a7df72cb3da 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1049,6 +1049,16 @@ static struct dentry *ext4_fh_to_parent(struct super_block *sb, struct fid *fid, ext4_nfs_get_inode); } +static int ext4_nfs_commit_metadata(struct inode *inode) +{ + struct writeback_control wbc = { + .sync_mode = WB_SYNC_ALL + }; + + trace_ext4_nfs_commit_metadata(inode); + return ext4_write_inode(inode, &wbc); +} + /* * Try to release metadata pages (indirect blocks, directories) which are * mapped via the block device. Since these pages could have journal heads @@ -1143,6 +1153,7 @@ static const struct export_operations ext4_export_ops = { .fh_to_dentry = ext4_fh_to_dentry, .fh_to_parent = ext4_fh_to_parent, .get_parent = ext4_get_parent, + .commit_metadata = ext4_nfs_commit_metadata, }; enum { @@ -5184,9 +5195,9 @@ static int ext4_quota_enable(struct super_block *sb, int type, int format_id, qf_inode->i_flags |= S_NOQUOTA; lockdep_set_quota_inode(qf_inode, I_DATA_SEM_QUOTA); err = dquot_enable(qf_inode, type, format_id, flags); - iput(qf_inode); if (err) lockdep_set_quota_inode(qf_inode, I_DATA_SEM_NORMAL); + iput(qf_inode); return err; } diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index ef24894edecc..763fe7737065 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -1720,9 +1720,9 @@ static int gfs2_rbm_find(struct gfs2_rbm *rbm, u8 state, u32 *minext, goto next_iter; } if (ret == -E2BIG) { + n += rbm->bii - initial_bii; rbm->bii = 0; rbm->offset = 0; - n += (rbm->bii - initial_bii); goto res_covered_end_of_rgrp; } return ret; diff --git a/include/net/gro_cells.h b/include/net/gro_cells.h index cf6c74550baa..86316f90ea1e 100644 --- a/include/net/gro_cells.h +++ b/include/net/gro_cells.h @@ -84,6 +84,7 @@ static inline void gro_cells_destroy(struct gro_cells *gcells) for_each_possible_cpu(i) { struct gro_cell *cell = per_cpu_ptr(gcells->cells, i); + napi_disable(&cell->napi); netif_napi_del(&cell->napi); __skb_queue_purge(&cell->napi_skbs); } diff --git a/include/net/sock.h b/include/net/sock.h index 577075713ad5..7420299c31f5 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -299,6 +299,7 @@ struct cg_proto; * @sk_filter: socket filtering instructions * @sk_timer: sock cleanup timer * @sk_stamp: time stamp of last packet received + * @sk_stamp_seq: lock for accessing sk_stamp on 32 bit architectures only * @sk_tsflags: SO_TIMESTAMPING socket options * @sk_tskey: counter to disambiguate concurrent tstamp requests * @sk_socket: Identd and reporting IO signals @@ -434,6 +435,9 @@ struct sock { long sk_sndtimeo; struct timer_list sk_timer; ktime_t sk_stamp; +#if BITS_PER_LONG==32 + seqlock_t sk_stamp_seq; +#endif u16 sk_tsflags; u32 sk_tskey; struct socket *sk_socket; @@ -2146,6 +2150,34 @@ static inline void sk_drops_add(struct sock *sk, const struct sk_buff *skb) atomic_add(segs, &sk->sk_drops); } +static inline ktime_t sock_read_timestamp(struct sock *sk) +{ +#if BITS_PER_LONG==32 + unsigned int seq; + ktime_t kt; + + do { + seq = read_seqbegin(&sk->sk_stamp_seq); + kt = sk->sk_stamp; + } while (read_seqretry(&sk->sk_stamp_seq, seq)); + + return kt; +#else + return sk->sk_stamp; +#endif +} + +static inline void sock_write_timestamp(struct sock *sk, ktime_t kt) +{ +#if BITS_PER_LONG==32 + write_seqlock(&sk->sk_stamp_seq); + sk->sk_stamp = kt; + write_sequnlock(&sk->sk_stamp_seq); +#else + sk->sk_stamp = kt; +#endif +} + void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb); void __sock_recv_wifi_status(struct msghdr *msg, struct sock *sk, @@ -2170,7 +2202,7 @@ sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb) (sk->sk_tsflags & SOF_TIMESTAMPING_RAW_HARDWARE))) __sock_recv_timestamp(msg, sk, skb); else - sk->sk_stamp = kt; + sock_write_timestamp(sk, kt); if (sock_flag(sk, SOCK_WIFI_STATUS) && skb->wifi_acked_valid) __sock_recv_wifi_status(msg, sk, skb); @@ -2190,7 +2222,7 @@ static inline void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk, if (sk->sk_flags & FLAGS_TS_OR_DROPS || sk->sk_tsflags & TSFLAGS_ANY) __sock_recv_ts_and_drops(msg, sk, skb); else - sk->sk_stamp = skb->tstamp; + sock_write_timestamp(sk, skb->tstamp); } void __sock_tx_timestamp(const struct sock *sk, __u8 *tx_flags); diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h index 594b4b29a224..7ef11b97cb2a 100644 --- a/include/trace/events/ext4.h +++ b/include/trace/events/ext4.h @@ -223,6 +223,26 @@ TRACE_EVENT(ext4_drop_inode, (unsigned long) __entry->ino, __entry->drop) ); +TRACE_EVENT(ext4_nfs_commit_metadata, + TP_PROTO(struct inode *inode), + + TP_ARGS(inode), + + TP_STRUCT__entry( + __field( dev_t, dev ) + __field( ino_t, ino ) + ), + + TP_fast_assign( + __entry->dev = inode->i_sb->s_dev; + __entry->ino = inode->i_ino; + ), + + TP_printk("dev %d,%d ino %lu", + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long) __entry->ino) +); + TRACE_EVENT(ext4_mark_inode_dirty, TP_PROTO(struct inode *inode, unsigned long IP), diff --git a/include/uapi/linux/input-event-codes.h b/include/uapi/linux/input-event-codes.h index 87cf351bab03..9e07bf4259e1 100644 --- a/include/uapi/linux/input-event-codes.h +++ b/include/uapi/linux/input-event-codes.h @@ -708,6 +708,15 @@ #define ABS_MISC 0x28 +/* + * 0x2e is reserved and should not be used in input drivers. + * It was used by HID as ABS_MISC+6 and userspace needs to detect if + * the next ABS_* event is correct or is just ABS_MISC + n. + * We define here ABS_RESERVED so userspace can rely on it and detect + * the situation described above. + */ +#define ABS_RESERVED 0x2e + #define ABS_MT_SLOT 0x2f /* MT slot being modified */ #define ABS_MT_TOUCH_MAJOR 0x30 /* Major axis of touching ellipse */ #define ABS_MT_TOUCH_MINOR 0x31 /* Minor axis (omit if circular) */ diff --git a/kernel/fork.c b/kernel/fork.c index dd2f79ac0771..e4b81913a998 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1411,8 +1411,6 @@ static struct task_struct *copy_process(unsigned long clone_flags, posix_cpu_timers_init(p); - p->start_time = ktime_get_ns(); - p->real_start_time = ktime_get_boot_ns(); p->io_context = NULL; p->audit_context = NULL; cgroup_fork(p); @@ -1572,6 +1570,17 @@ static struct task_struct *copy_process(unsigned long clone_flags, if (retval) goto bad_fork_free_pid; + /* + * From this point on we must avoid any synchronous user-space + * communication until we take the tasklist-lock. In particular, we do + * not want user-space to be able to predict the process start-time by + * stalling fork(2) after we recorded the start_time but before it is + * visible to the system. + */ + + p->start_time = ktime_get_ns(); + p->real_start_time = ktime_get_boot_ns(); + /* * Make it visible to the rest of the system, but dont wake it up yet. * Need tasklist lock for parent etc handling! diff --git a/kernel/memremap.c b/kernel/memremap.c index f719c925cb54..1be42f9b3e00 100644 --- a/kernel/memremap.c +++ b/kernel/memremap.c @@ -171,15 +171,12 @@ void *devm_memremap_pages(struct device *dev, struct resource *res) struct page_map *page_map; int error, nid; - if (is_ram == REGION_MIXED) { - WARN_ONCE(1, "%s attempted on mixed region %pr\n", - __func__, res); + if (is_ram != REGION_DISJOINT) { + WARN_ONCE(1, "%s attempted on %s region %pr\n", __func__, + is_ram == REGION_MIXED ? "mixed" : "ram", res); return ERR_PTR(-ENXIO); } - if (is_ram == REGION_INTERSECTS) - return __va(res->start); - page_map = devres_alloc_node(devm_memremap_pages_release, sizeof(*page_map), GFP_KERNEL, dev_to_node(dev)); if (!page_map) @@ -202,5 +199,5 @@ void *devm_memremap_pages(struct device *dev, struct resource *res) devres_add(dev, page_map); return __va(res->start); } -EXPORT_SYMBOL(devm_memremap_pages); +EXPORT_SYMBOL_GPL(devm_memremap_pages); #endif /* CONFIG_ZONE_DEVICE */ diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index a18923e4359d..0addef5f8aa3 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -32,6 +32,7 @@ #include <linux/hugetlb.h> #include <linux/memblock.h> #include <linux/bootmem.h> +#include <linux/rmap.h> #include <asm/tlbflush.h> @@ -1471,6 +1472,21 @@ do_migrate_range(unsigned long start_pfn, unsigned long end_pfn) continue; } + /* + * HWPoison pages have elevated reference counts so the migration would + * fail on them. It also doesn't make any sense to migrate them in the + * first place. Still try to unmap such a page in case it is still mapped + * (e.g. current hwpoison implementation doesn't unmap KSM pages but keep + * the unmap as the catch all safety net). + */ + if (PageHWPoison(page)) { + if (WARN_ON(PageLRU(page))) + isolate_lru_page(page); + if (page_mapped(page)) + try_to_unmap(page, TTU_IGNORE_MLOCK | TTU_IGNORE_ACCESS); + continue; + } + if (!get_page_unless_zero(page)) continue; /* diff --git a/net/9p/client.c b/net/9p/client.c index ed8738c4dc09..8fba9cd973c1 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -156,6 +156,12 @@ static int parse_opts(char *opts, struct p9_client *clnt) ret = r; continue; } + if (option < 4096) { + p9_debug(P9_DEBUG_ERROR, + "msize should be at least 4k\n"); + ret = -EINVAL; + continue; + } clnt->msize = option; break; case Opt_trans: @@ -972,10 +978,18 @@ static int p9_client_version(struct p9_client *c) else if (!strncmp(version, "9P2000", 6)) c->proto_version = p9_proto_legacy; else { + p9_debug(P9_DEBUG_ERROR, + "server returned an unknown version: %s\n", version); err = -EREMOTEIO; goto error; } + if (msize < 4096) { + p9_debug(P9_DEBUG_ERROR, + "server returned a msize < 4096: %d\n", msize); + err = -EREMOTEIO; + goto error; + } if (msize < c->msize) c->msize = msize; @@ -1040,6 +1054,13 @@ struct p9_client *p9_client_create(const char *dev_name, char *options) if (clnt->msize > clnt->trans_mod->maxsize) clnt->msize = clnt->trans_mod->maxsize; + if (clnt->msize < 4096) { + p9_debug(P9_DEBUG_ERROR, + "Please specify a msize of at least 4k\n"); + err = -EINVAL; + goto free_client; + } + err = p9_client_version(clnt); if (err) goto close_trans; diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index 2fdebabbfacd..2772f6a13fcb 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -654,15 +654,22 @@ static int ax25_setsockopt(struct socket *sock, int level, int optname, break; } - dev = dev_get_by_name(&init_net, devname); + rtnl_lock(); + dev = __dev_get_by_name(&init_net, devname); if (!dev) { + rtnl_unlock(); res = -ENODEV; break; } ax25->ax25_dev = ax25_dev_ax25dev(dev); + if (!ax25->ax25_dev) { + rtnl_unlock(); + res = -ENODEV; + break; + } ax25_fillin_cb(ax25, ax25->ax25_dev); - dev_put(dev); + rtnl_unlock(); break; default: diff --git a/net/ax25/ax25_dev.c b/net/ax25/ax25_dev.c index 3d106767b272..5faca5db6385 100644 --- a/net/ax25/ax25_dev.c +++ b/net/ax25/ax25_dev.c @@ -116,6 +116,7 @@ void ax25_dev_device_down(struct net_device *dev) if ((s = ax25_dev_list) == ax25_dev) { ax25_dev_list = s->next; spin_unlock_bh(&ax25_dev_lock); + dev->ax25_ptr = NULL; dev_put(dev); kfree(ax25_dev); return; @@ -125,6 +126,7 @@ void ax25_dev_device_down(struct net_device *dev) if (s->next == ax25_dev) { s->next = ax25_dev->next; spin_unlock_bh(&ax25_dev_lock); + dev->ax25_ptr = NULL; dev_put(dev); kfree(ax25_dev); return; diff --git a/net/compat.c b/net/compat.c index 17e97b106458..d67684010455 100644 --- a/net/compat.c +++ b/net/compat.c @@ -443,12 +443,14 @@ int compat_sock_get_timestamp(struct sock *sk, struct timeval __user *userstamp) err = -ENOENT; if (!sock_flag(sk, SOCK_TIMESTAMP)) sock_enable_timestamp(sk, SOCK_TIMESTAMP); - tv = ktime_to_timeval(sk->sk_stamp); + tv = ktime_to_timeval(sock_read_timestamp(sk)); + if (tv.tv_sec == -1) return err; if (tv.tv_sec == 0) { - sk->sk_stamp = ktime_get_real(); - tv = ktime_to_timeval(sk->sk_stamp); + ktime_t kt = ktime_get_real(); + sock_write_timestamp(sk, kt); + tv = ktime_to_timeval(kt); } err = 0; if (put_user(tv.tv_sec, &ctv->tv_sec) || @@ -471,12 +473,13 @@ int compat_sock_get_timestampns(struct sock *sk, struct timespec __user *usersta err = -ENOENT; if (!sock_flag(sk, SOCK_TIMESTAMP)) sock_enable_timestamp(sk, SOCK_TIMESTAMP); - ts = ktime_to_timespec(sk->sk_stamp); + ts = ktime_to_timespec(sock_read_timestamp(sk)); if (ts.tv_sec == -1) return err; if (ts.tv_sec == 0) { - sk->sk_stamp = ktime_get_real(); - ts = ktime_to_timespec(sk->sk_stamp); + ktime_t kt = ktime_get_real(); + sock_write_timestamp(sk, kt); + ts = ktime_to_timespec(kt); } err = 0; if (put_user(ts.tv_sec, &ctv->tv_sec) || diff --git a/net/core/sock.c b/net/core/sock.c index 4238835a0e4e..9fb1c073d0c4 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -2423,6 +2423,9 @@ void sock_init_data(struct socket *sock, struct sock *sk) sk->sk_sndtimeo = MAX_SCHEDULE_TIMEOUT; sk->sk_stamp = ktime_set(-1L, 0); +#if BITS_PER_LONG==32 + seqlock_init(&sk->sk_stamp_seq); +#endif #ifdef CONFIG_NET_RX_BUSY_POLL sk->sk_napi_id = 0; diff --git a/net/ieee802154/6lowpan/tx.c b/net/ieee802154/6lowpan/tx.c index a10db45b2e1e..df32134da924 100644 --- a/net/ieee802154/6lowpan/tx.c +++ b/net/ieee802154/6lowpan/tx.c @@ -55,6 +55,9 @@ int lowpan_header_create(struct sk_buff *skb, struct net_device *ldev, const u8 *daddr = _daddr; struct lowpan_addr_info *info; + if (!daddr) + return -EINVAL; + /* TODO: * if this package isn't ipv6 one, where should it be routed? */ diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 8e77786549c6..1cb865fcc91b 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -66,6 +66,7 @@ #include <net/netlink.h> #include <net/fib_rules.h> #include <linux/netconf.h> +#include <linux/nospec.h> #if defined(CONFIG_IP_PIMSM_V1) || defined(CONFIG_IP_PIMSM_V2) #define CONFIG_IP_PIMSM 1 @@ -1574,6 +1575,7 @@ int ipmr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg) return -EFAULT; if (vr.vifi >= mrt->maxvif) return -EINVAL; + vr.vifi = array_index_nospec(vr.vifi, mrt->maxvif); read_lock(&mrt_lock); vif = &mrt->vif_table[vr.vifi]; if (VIF_EXISTS(mrt, vr.vifi)) { diff --git a/net/ipv6/ip6_udp_tunnel.c b/net/ipv6/ip6_udp_tunnel.c index 14dacf1df529..30b03d8e321a 100644 --- a/net/ipv6/ip6_udp_tunnel.c +++ b/net/ipv6/ip6_udp_tunnel.c @@ -15,7 +15,7 @@ int udp_sock_create6(struct net *net, struct udp_port_cfg *cfg, struct socket **sockp) { - struct sockaddr_in6 udp6_addr; + struct sockaddr_in6 udp6_addr = {}; int err; struct socket *sock = NULL; @@ -42,6 +42,7 @@ int udp_sock_create6(struct net *net, struct udp_port_cfg *cfg, goto error; if (cfg->peer_udp_port) { + memset(&udp6_addr, 0, sizeof(udp6_addr)); udp6_addr.sin6_family = AF_INET6; memcpy(&udp6_addr.sin6_addr, &cfg->peer_ip6, sizeof(udp6_addr.sin6_addr)); diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index 9b92960f024d..74b3e9718e84 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -72,6 +72,8 @@ struct mr6_table { #endif }; +#include <linux/nospec.h> + struct ip6mr_rule { struct fib_rule common; }; @@ -1871,6 +1873,7 @@ int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg) return -EFAULT; if (vr.mifi >= mrt->maxvif) return -EINVAL; + vr.mifi = array_index_nospec(vr.mifi, mrt->maxvif); read_lock(&mrt_lock); vif = &mrt->vif6_table[vr.mifi]; if (MIF_EXISTS(mrt, vr.mifi)) { @@ -1945,6 +1948,7 @@ int ip6mr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg) return -EFAULT; if (vr.mifi >= mrt->maxvif) return -EINVAL; + vr.mifi = array_index_nospec(vr.mifi, mrt->maxvif); read_lock(&mrt_lock); vif = &mrt->vif6_table[vr.mifi]; if (MIF_EXISTS(mrt, vr.mifi)) { diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c index ed212ffc1d9d..046ae1caecea 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -153,7 +153,7 @@ static struct sock *nr_find_listener(ax25_address *addr) sk_for_each(s, &nr_list) if (!ax25cmp(&nr_sk(s)->source_addr, addr) && s->sk_state == TCP_LISTEN) { - bh_lock_sock(s); + sock_hold(s); goto found; } s = NULL; @@ -174,7 +174,7 @@ static struct sock *nr_find_socket(unsigned char index, unsigned char id) struct nr_sock *nr = nr_sk(s); if (nr->my_index == index && nr->my_id == id) { - bh_lock_sock(s); + sock_hold(s); goto found; } } @@ -198,7 +198,7 @@ static struct sock *nr_find_peer(unsigned char index, unsigned char id, if (nr->your_index == index && nr->your_id == id && !ax25cmp(&nr->dest_addr, dest)) { - bh_lock_sock(s); + sock_hold(s); goto found; } } @@ -224,7 +224,7 @@ static unsigned short nr_find_next_circuit(void) if (i != 0 && j != 0) { if ((sk=nr_find_socket(i, j)) == NULL) break; - bh_unlock_sock(sk); + sock_put(sk); } id++; @@ -918,6 +918,7 @@ int nr_rx_frame(struct sk_buff *skb, struct net_device *dev) } if (sk != NULL) { + bh_lock_sock(sk); skb_reset_transport_header(skb); if (frametype == NR_CONNACK && skb->len == 22) @@ -927,6 +928,7 @@ int nr_rx_frame(struct sk_buff *skb, struct net_device *dev) ret = nr_process_rx_frame(sk, skb); bh_unlock_sock(sk); + sock_put(sk); return ret; } @@ -958,10 +960,12 @@ int nr_rx_frame(struct sk_buff *skb, struct net_device *dev) (make = nr_make_new(sk)) == NULL) { nr_transmit_refusal(skb, 0); if (sk) - bh_unlock_sock(sk); + sock_put(sk); return 0; } + bh_lock_sock(sk); + window = skb->data[20]; skb->sk = make; @@ -1014,6 +1018,7 @@ int nr_rx_frame(struct sk_buff *skb, struct net_device *dev) sk->sk_data_ready(sk); bh_unlock_sock(sk); + sock_put(sk); nr_insert_socket(make); diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 07668f152a3a..0f50977ed53b 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -2511,8 +2511,10 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg) sll_addr))) goto out; proto = saddr->sll_protocol; - addr = saddr->sll_addr; + addr = saddr->sll_halen ? saddr->sll_addr : NULL; dev = dev_get_by_index(sock_net(&po->sk), saddr->sll_ifindex); + if (addr && dev && saddr->sll_halen < dev->addr_len) + goto out; } err = -ENXIO; @@ -2678,8 +2680,10 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len) if (msg->msg_namelen < (saddr->sll_halen + offsetof(struct sockaddr_ll, sll_addr))) goto out; proto = saddr->sll_protocol; - addr = saddr->sll_addr; + addr = saddr->sll_halen ? saddr->sll_addr : NULL; dev = dev_get_by_index(sock_net(sk), saddr->sll_ifindex); + if (addr && dev && saddr->sll_halen < dev->addr_len) + goto out; } err = -ENXIO; diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index 5ca8309ea7b1..7dffc97a953c 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -101,6 +101,7 @@ static int sctp_inet6addr_event(struct notifier_block *this, unsigned long ev, if (addr) { addr->a.v6.sin6_family = AF_INET6; addr->a.v6.sin6_port = 0; + addr->a.v6.sin6_flowinfo = 0; addr->a.v6.sin6_addr = ifa->addr; addr->a.v6.sin6_scope_id = ifa->idev->dev->ifindex; addr->valid = 1; diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c index 036bbf2b44c1..b5291ea54a3d 100644 --- a/net/sunrpc/auth_gss/svcauth_gss.c +++ b/net/sunrpc/auth_gss/svcauth_gss.c @@ -1105,7 +1105,7 @@ static int svcauth_gss_legacy_init(struct svc_rqst *rqstp, struct kvec *resv = &rqstp->rq_res.head[0]; struct rsi *rsip, rsikey; int ret; - struct sunrpc_net *sn = net_generic(rqstp->rq_xprt->xpt_net, sunrpc_net_id); + struct sunrpc_net *sn = net_generic(SVC_NET(rqstp), sunrpc_net_id); memset(&rsikey, 0, sizeof(rsikey)); ret = gss_read_verf(gc, argv, authp, @@ -1216,7 +1216,7 @@ static int svcauth_gss_proxy_init(struct svc_rqst *rqstp, uint64_t handle; int status; int ret; - struct net *net = rqstp->rq_xprt->xpt_net; + struct net *net = SVC_NET(rqstp); struct sunrpc_net *sn = net_generic(net, sunrpc_net_id); memset(&ud, 0, sizeof(ud)); @@ -1406,7 +1406,7 @@ svcauth_gss_accept(struct svc_rqst *rqstp, __be32 *authp) __be32 *rpcstart; __be32 *reject_stat = resv->iov_base + resv->iov_len; int ret; - struct sunrpc_net *sn = net_generic(rqstp->rq_xprt->xpt_net, sunrpc_net_id); + struct sunrpc_net *sn = net_generic(SVC_NET(rqstp), sunrpc_net_id); dprintk("RPC: svcauth_gss: argv->iov_len = %zd\n", argv->iov_len); @@ -1694,7 +1694,7 @@ svcauth_gss_release(struct svc_rqst *rqstp) struct rpc_gss_wire_cred *gc = &gsd->clcred; struct xdr_buf *resbuf = &rqstp->rq_res; int stat = -EINVAL; - struct sunrpc_net *sn = net_generic(rqstp->rq_xprt->xpt_net, sunrpc_net_id); + struct sunrpc_net *sn = net_generic(SVC_NET(rqstp), sunrpc_net_id); if (gc->gc_proc != RPC_GSS_PROC_DATA) goto out; diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c index 63fb5ee212cf..af17b00145e1 100644 --- a/net/sunrpc/cache.c +++ b/net/sunrpc/cache.c @@ -54,6 +54,11 @@ static void cache_init(struct cache_head *h, struct cache_detail *detail) h->last_refresh = now; } +static void cache_fresh_locked(struct cache_head *head, time_t expiry, + struct cache_detail *detail); +static void cache_fresh_unlocked(struct cache_head *head, + struct cache_detail *detail); + struct cache_head *sunrpc_cache_lookup(struct cache_detail *detail, struct cache_head *key, int hash) { @@ -95,6 +100,7 @@ struct cache_head *sunrpc_cache_lookup(struct cache_detail *detail, if (cache_is_expired(detail, tmp)) { hlist_del_init(&tmp->cache_list); detail->entries --; + cache_fresh_locked(tmp, 0, detail); freeme = tmp; break; } @@ -110,8 +116,10 @@ struct cache_head *sunrpc_cache_lookup(struct cache_detail *detail, cache_get(new); write_unlock(&detail->hash_lock); - if (freeme) + if (freeme) { + cache_fresh_unlocked(freeme, detail); cache_put(freeme, detail); + } return new; } EXPORT_SYMBOL_GPL(sunrpc_cache_lookup); diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index 1413cdcc131c..9701fcca002c 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -614,7 +614,7 @@ static int svc_udp_recvfrom(struct svc_rqst *rqstp) /* Don't enable netstamp, sunrpc doesn't need that much accuracy */ } - svsk->sk_sk->sk_stamp = skb->tstamp; + sock_write_timestamp(svsk->sk_sk, skb->tstamp); set_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags); /* there may be more data... */ len = skb->len - sizeof(struct udphdr); diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c index 589c8b9908a5..d24773552b64 100644 --- a/net/vmw_vsock/vmci_transport.c +++ b/net/vmw_vsock/vmci_transport.c @@ -272,6 +272,31 @@ vmci_transport_send_control_pkt_bh(struct sockaddr_vm *src, false); } +static int +vmci_transport_alloc_send_control_pkt(struct sockaddr_vm *src, + struct sockaddr_vm *dst, + enum vmci_transport_packet_type type, + u64 size, + u64 mode, + struct vmci_transport_waiting_info *wait, + u16 proto, + struct vmci_handle handle) +{ + struct vmci_transport_packet *pkt; + int err; + + pkt = kmalloc(sizeof(*pkt), GFP_KERNEL); + if (!pkt) + return -ENOMEM; + + err = __vmci_transport_send_control_pkt(pkt, src, dst, type, size, + mode, wait, proto, handle, + true); + kfree(pkt); + + return err; +} + static int vmci_transport_send_control_pkt(struct sock *sk, enum vmci_transport_packet_type type, @@ -281,9 +306,7 @@ vmci_transport_send_control_pkt(struct sock *sk, u16 proto, struct vmci_handle handle) { - struct vmci_transport_packet *pkt; struct vsock_sock *vsk; - int err; vsk = vsock_sk(sk); @@ -293,17 +316,10 @@ vmci_transport_send_control_pkt(struct sock *sk, if (!vsock_addr_bound(&vsk->remote_addr)) return -EINVAL; - pkt = kmalloc(sizeof(*pkt), GFP_KERNEL); - if (!pkt) - return -ENOMEM; - - err = __vmci_transport_send_control_pkt(pkt, &vsk->local_addr, - &vsk->remote_addr, type, size, - mode, wait, proto, handle, - true); - kfree(pkt); - - return err; + return vmci_transport_alloc_send_control_pkt(&vsk->local_addr, + &vsk->remote_addr, + type, size, mode, + wait, proto, handle); } static int vmci_transport_send_reset_bh(struct sockaddr_vm *dst, @@ -321,12 +337,29 @@ static int vmci_transport_send_reset_bh(struct sockaddr_vm *dst, static int vmci_transport_send_reset(struct sock *sk, struct vmci_transport_packet *pkt) { + struct sockaddr_vm *dst_ptr; + struct sockaddr_vm dst; + struct vsock_sock *vsk; + if (pkt->type == VMCI_TRANSPORT_PACKET_TYPE_RST) return 0; - return vmci_transport_send_control_pkt(sk, - VMCI_TRANSPORT_PACKET_TYPE_RST, - 0, 0, NULL, VSOCK_PROTO_INVALID, - VMCI_INVALID_HANDLE); + + vsk = vsock_sk(sk); + + if (!vsock_addr_bound(&vsk->local_addr)) + return -EINVAL; + + if (vsock_addr_bound(&vsk->remote_addr)) { + dst_ptr = &vsk->remote_addr; + } else { + vsock_addr_init(&dst, pkt->dg.src.context, + pkt->src_port); + dst_ptr = &dst; + } + return vmci_transport_alloc_send_control_pkt(&vsk->local_addr, dst_ptr, + VMCI_TRANSPORT_PACKET_TYPE_RST, + 0, 0, NULL, VSOCK_PROTO_INVALID, + VMCI_INVALID_HANDLE); } static int vmci_transport_send_negotiate(struct sock *sk, size_t size) diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index 9b6e51450fc5..13f261feb75c 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -623,7 +623,7 @@ void xfrm_sad_getinfo(struct net *net, struct xfrmk_sadinfo *si) { spin_lock_bh(&net->xfrm.xfrm_state_lock); si->sadcnt = net->xfrm.state_num; - si->sadhcnt = net->xfrm.state_hmask; + si->sadhcnt = net->xfrm.state_hmask + 1; si->sadhmcnt = xfrm_state_hashmax; spin_unlock_bh(&net->xfrm.xfrm_state_lock); } diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl index dd8397894d5c..12a6940741fe 100755 --- a/scripts/checkstack.pl +++ b/scripts/checkstack.pl @@ -46,8 +46,8 @@ my (@stack, $re, $dre, $x, $xs, $funcre); $xs = "[0-9a-f ]"; # hex character or space $funcre = qr/^$x* <(.*)>:$/; if ($arch eq 'aarch64') { - #ffffffc0006325cc: a9bb7bfd stp x29, x30, [sp,#-80]! - $re = qr/^.*stp.*sp,\#-([0-9]{1,8})\]\!/o; + #ffffffc0006325cc: a9bb7bfd stp x29, x30, [sp, #-80]! + $re = qr/^.*stp.*sp, \#-([0-9]{1,8})\]\!/o; } elsif ($arch eq 'arm') { #c0008ffc: e24dd064 sub sp, sp, #100 ; 0x64 $re = qr/.*sub.*sp, sp, #(([0-9]{2}|[3-9])[0-9]{2})/o; diff --git a/sound/core/pcm.c b/sound/core/pcm.c index 6bda8f6c5f84..cdff5f976480 100644 --- a/sound/core/pcm.c +++ b/sound/core/pcm.c @@ -25,6 +25,7 @@ #include <linux/time.h> #include <linux/mutex.h> #include <linux/device.h> +#include <linux/nospec.h> #include <sound/core.h> #include <sound/minors.h> #include <sound/pcm.h> @@ -125,6 +126,7 @@ static int snd_pcm_control_ioctl(struct snd_card *card, return -EFAULT; if (stream < 0 || stream > 1) return -EINVAL; + stream = array_index_nospec(stream, 2); if (get_user(subdevice, &info->subdevice)) return -EFAULT; mutex_lock(®ister_mutex); diff --git a/sound/pci/cs46xx/dsp_spos.c b/sound/pci/cs46xx/dsp_spos.c index d2951ed4bf71..1984291ebd07 100644 --- a/sound/pci/cs46xx/dsp_spos.c +++ b/sound/pci/cs46xx/dsp_spos.c @@ -899,6 +899,9 @@ int cs46xx_dsp_proc_done (struct snd_cs46xx *chip) struct dsp_spos_instance * ins = chip->dsp_spos_instance; int i; + if (!ins) + return 0; + snd_info_free_entry(ins->proc_sym_info_entry); ins->proc_sym_info_entry = NULL; diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c index 50b216fc369f..5d422d65e62b 100644 --- a/sound/pci/emu10k1/emufx.c +++ b/sound/pci/emu10k1/emufx.c @@ -36,6 +36,7 @@ #include <linux/init.h> #include <linux/mutex.h> #include <linux/moduleparam.h> +#include <linux/nospec.h> #include <sound/core.h> #include <sound/tlv.h> @@ -1000,6 +1001,8 @@ static int snd_emu10k1_ipcm_poke(struct snd_emu10k1 *emu, if (ipcm->substream >= EMU10K1_FX8010_PCM_COUNT) return -EINVAL; + ipcm->substream = array_index_nospec(ipcm->substream, + EMU10K1_FX8010_PCM_COUNT); if (ipcm->channels > 32) return -EINVAL; pcm = &emu->fx8010.pcm[ipcm->substream]; @@ -1046,6 +1049,8 @@ static int snd_emu10k1_ipcm_peek(struct snd_emu10k1 *emu, if (ipcm->substream >= EMU10K1_FX8010_PCM_COUNT) return -EINVAL; + ipcm->substream = array_index_nospec(ipcm->substream, + EMU10K1_FX8010_PCM_COUNT); pcm = &emu->fx8010.pcm[ipcm->substream]; mutex_lock(&emu->fx8010.lock); spin_lock_irq(&emu->reg_lock); diff --git a/sound/pci/hda/hda_tegra.c b/sound/pci/hda/hda_tegra.c index 17fd81736d3d..039fbbb1e53c 100644 --- a/sound/pci/hda/hda_tegra.c +++ b/sound/pci/hda/hda_tegra.c @@ -249,10 +249,12 @@ static int hda_tegra_suspend(struct device *dev) struct snd_card *card = dev_get_drvdata(dev); struct azx *chip = card->private_data; struct hda_tegra *hda = container_of(chip, struct hda_tegra, chip); + struct hdac_bus *bus = azx_bus(chip); snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); azx_stop_chip(chip); + synchronize_irq(bus->irq); azx_enter_link_reset(chip); hda_tegra_disable_clocks(hda); diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index aea3cc2abe3a..536184ac315d 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -853,6 +853,7 @@ static const struct snd_pci_quirk cxt5066_fixups[] = { SND_PCI_QUIRK(0x103c, 0x8079, "HP EliteBook 840 G3", CXT_FIXUP_HP_DOCK), SND_PCI_QUIRK(0x103c, 0x807C, "HP EliteBook 820 G3", CXT_FIXUP_HP_DOCK), SND_PCI_QUIRK(0x103c, 0x80FD, "HP ProBook 640 G2", CXT_FIXUP_HP_DOCK), + SND_PCI_QUIRK(0x103c, 0x828c, "HP EliteBook 840 G4", CXT_FIXUP_HP_DOCK), SND_PCI_QUIRK(0x103c, 0x83b3, "HP EliteBook 830 G5", CXT_FIXUP_HP_DOCK), SND_PCI_QUIRK(0x103c, 0x83d3, "HP ProBook 640 G4", CXT_FIXUP_HP_DOCK), SND_PCI_QUIRK(0x103c, 0x8174, "HP Spectre x360", CXT_FIXUP_HP_SPECTRE), diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c index 7c8941b8b2de..dd6c9e6a1d53 100644 --- a/sound/pci/rme9652/hdsp.c +++ b/sound/pci/rme9652/hdsp.c @@ -30,6 +30,7 @@ #include <linux/math64.h> #include <linux/vmalloc.h> #include <linux/io.h> +#include <linux/nospec.h> #include <sound/core.h> #include <sound/control.h> @@ -4065,15 +4066,16 @@ static int snd_hdsp_channel_info(struct snd_pcm_substream *substream, struct snd_pcm_channel_info *info) { struct hdsp *hdsp = snd_pcm_substream_chip(substream); - int mapped_channel; + unsigned int channel = info->channel; - if (snd_BUG_ON(info->channel >= hdsp->max_channels)) + if (snd_BUG_ON(channel >= hdsp->max_channels)) return -EINVAL; + channel = array_index_nospec(channel, hdsp->max_channels); - if ((mapped_channel = hdsp->channel_map[info->channel]) < 0) + if (hdsp->channel_map[channel] < 0) return -EINVAL; - info->offset = mapped_channel * HDSP_CHANNEL_BUFFER_BYTES; + info->offset = hdsp->channel_map[channel] * HDSP_CHANNEL_BUFFER_BYTES; info->first = 0; info->step = 32; return 0; diff --git a/sound/synth/emux/emux_hwdep.c b/sound/synth/emux/emux_hwdep.c index e557946718a9..d9fcae071b47 100644 --- a/sound/synth/emux/emux_hwdep.c +++ b/sound/synth/emux/emux_hwdep.c @@ -22,9 +22,9 @@ #include <sound/core.h> #include <sound/hwdep.h> #include <linux/uaccess.h> +#include <linux/nospec.h> #include "emux_voice.h" - #define TMP_CLIENT_ID 0x1001 /* @@ -66,13 +66,16 @@ snd_emux_hwdep_misc_mode(struct snd_emux *emu, void __user *arg) return -EFAULT; if (info.mode < 0 || info.mode >= EMUX_MD_END) return -EINVAL; + info.mode = array_index_nospec(info.mode, EMUX_MD_END); if (info.port < 0) { for (i = 0; i < emu->num_ports; i++) emu->portptrs[i]->ctrls[info.mode] = info.value; } else { - if (info.port < emu->num_ports) + if (info.port < emu->num_ports) { + info.port = array_index_nospec(info.port, emu->num_ports); emu->portptrs[info.port]->ctrls[info.mode] = info.value; + } } return 0; } diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 97d6a18e6956..f7eb0d2f797b 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -1816,7 +1816,7 @@ static int build_audio_procunit(struct mixer_build *state, int unitid, char *name) { struct uac_processing_unit_descriptor *desc = raw_desc; - int num_ins = desc->bNrInPins; + int num_ins; struct usb_mixer_elem_info *cval; struct snd_kcontrol *kctl; int i, err, nameid, type, len; @@ -1831,7 +1831,13 @@ static int build_audio_procunit(struct mixer_build *state, int unitid, 0, NULL, default_value_info }; - if (desc->bLength < 13 || desc->bLength < 13 + num_ins || + if (desc->bLength < 13) { + usb_audio_err(state->chip, "invalid %s descriptor (id %d)\n", name, unitid); + return -EINVAL; + } + + num_ins = desc->bNrInPins; + if (desc->bLength < 13 + num_ins || desc->bLength < num_ins + uac_processing_unit_bControlSize(desc, state->mixer->protocol)) { usb_audio_err(state->chip, "invalid %s descriptor (id %d)\n", name, unitid); return -EINVAL; diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index 15cbe2565703..d32727c74a16 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -3321,6 +3321,9 @@ AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"), } } }, + { + .ifnum = -1 + }, } } }, diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 593066c68e3d..4f650ebd564a 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -100,7 +100,7 @@ static int perf_pmu__parse_scale(struct perf_pmu_alias *alias, char *dir, char * char path[PATH_MAX]; const char *lc; - snprintf(path, PATH_MAX, "%s/%s.scale", dir, name); + scnprintf(path, PATH_MAX, "%s/%s.scale", dir, name); fd = open(path, O_RDONLY); if (fd == -1) @@ -147,7 +147,7 @@ static int perf_pmu__parse_unit(struct perf_pmu_alias *alias, char *dir, char *n ssize_t sret; int fd; - snprintf(path, PATH_MAX, "%s/%s.unit", dir, name); + scnprintf(path, PATH_MAX, "%s/%s.unit", dir, name); fd = open(path, O_RDONLY); if (fd == -1) @@ -177,7 +177,7 @@ perf_pmu__parse_per_pkg(struct perf_pmu_alias *alias, char *dir, char *name) char path[PATH_MAX]; int fd; - snprintf(path, PATH_MAX, "%s/%s.per-pkg", dir, name); + scnprintf(path, PATH_MAX, "%s/%s.per-pkg", dir, name); fd = open(path, O_RDONLY); if (fd == -1) @@ -195,7 +195,7 @@ static int perf_pmu__parse_snapshot(struct perf_pmu_alias *alias, char path[PATH_MAX]; int fd; - snprintf(path, PATH_MAX, "%s/%s.snapshot", dir, name); + scnprintf(path, PATH_MAX, "%s/%s.snapshot", dir, name); fd = open(path, O_RDONLY); if (fd == -1)