diff options
| -rw-r--r-- | 0000_README | 4 | ||||
| -rw-r--r-- | 1017_linux-4.15.18.patch | 2152 |
2 files changed, 2156 insertions, 0 deletions
diff --git a/0000_README b/0000_README index f9736831..e2ca4c8f 100644 --- a/0000_README +++ b/0000_README @@ -111,6 +111,10 @@ Patch: 1016_linux-4.15.17.patch From: http://www.kernel.org Desc: Linux 4.15.17 +Patch: 1017_linux-4.15.18.patch +From: http://www.kernel.org +Desc: Linux 4.15.18 + Patch: 1500_XATTR_USER_PREFIX.patch From: https://bugs.gentoo.org/show_bug.cgi?id=470644 Desc: Support for namespace user.pax.* on tmpfs. diff --git a/1017_linux-4.15.18.patch b/1017_linux-4.15.18.patch new file mode 100644 index 00000000..8aac24f5 --- /dev/null +++ b/1017_linux-4.15.18.patch @@ -0,0 +1,2152 @@ +diff --git a/Makefile b/Makefile +index cfff73b62eb5..83152471e1a9 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,7 +1,7 @@ + # SPDX-License-Identifier: GPL-2.0 + VERSION = 4 + PATCHLEVEL = 15 +-SUBLEVEL = 17 ++SUBLEVEL = 18 + EXTRAVERSION = + NAME = Fearless Coyote + +diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c +index 29b99b8964aa..d4240aa7f8b1 100644 +--- a/arch/parisc/kernel/drivers.c ++++ b/arch/parisc/kernel/drivers.c +@@ -651,6 +651,10 @@ static int match_pci_device(struct device *dev, int index, + (modpath->mod == PCI_FUNC(devfn))); + } + ++ /* index might be out of bounds for bc[] */ ++ if (index >= 6) ++ return 0; ++ + id = PCI_SLOT(pdev->devfn) | (PCI_FUNC(pdev->devfn) << 5); + return (modpath->bc[index] == id); + } +diff --git a/arch/parisc/kernel/hpmc.S b/arch/parisc/kernel/hpmc.S +index 8d072c44f300..781c3b9a3e46 100644 +--- a/arch/parisc/kernel/hpmc.S ++++ b/arch/parisc/kernel/hpmc.S +@@ -84,6 +84,7 @@ END(hpmc_pim_data) + .text + + .import intr_save, code ++ .align 16 + ENTRY_CFI(os_hpmc) + .os_hpmc: + +@@ -300,12 +301,15 @@ os_hpmc_6: + + b . + nop ++ .align 16 /* make function length multiple of 16 bytes */ + ENDPROC_CFI(os_hpmc) + .os_hpmc_end: + + + __INITRODATA ++.globl os_hpmc_size + .align 4 +- .export os_hpmc_size ++ .type os_hpmc_size, @object ++ .size os_hpmc_size, 4 + os_hpmc_size: + .word .os_hpmc_end-.os_hpmc +diff --git a/arch/powerpc/kvm/book3s_hv_rm_mmu.c b/arch/powerpc/kvm/book3s_hv_rm_mmu.c +index 26c11f678fbf..d981dfdf8319 100644 +--- a/arch/powerpc/kvm/book3s_hv_rm_mmu.c ++++ b/arch/powerpc/kvm/book3s_hv_rm_mmu.c +@@ -470,8 +470,6 @@ static void do_tlbies(struct kvm *kvm, unsigned long *rbvalues, + for (i = 0; i < npages; ++i) { + asm volatile(PPC_TLBIE_5(%0,%1,0,0,0) : : + "r" (rbvalues[i]), "r" (kvm->arch.lpid)); +- trace_tlbie(kvm->arch.lpid, 0, rbvalues[i], +- kvm->arch.lpid, 0, 0, 0); + } + asm volatile("eieio; tlbsync; ptesync" : : : "memory"); + kvm->arch.tlbie_lock = 0; +@@ -481,8 +479,6 @@ static void do_tlbies(struct kvm *kvm, unsigned long *rbvalues, + for (i = 0; i < npages; ++i) { + asm volatile(PPC_TLBIEL(%0,%1,0,0,0) : : + "r" (rbvalues[i]), "r" (0)); +- trace_tlbie(kvm->arch.lpid, 1, rbvalues[i], +- 0, 0, 0, 0); + } + asm volatile("ptesync" : : : "memory"); + } +diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c +index ef246940b44c..f19e90856e49 100644 +--- a/arch/s390/kernel/compat_signal.c ++++ b/arch/s390/kernel/compat_signal.c +@@ -379,7 +379,7 @@ static int setup_frame32(struct ksignal *ksig, sigset_t *set, + if (put_compat_sigset((compat_sigset_t __user *)frame->sc.oldmask, + set, sizeof(compat_sigset_t))) + return -EFAULT; +- if (__put_user(ptr_to_compat(&frame->sc), &frame->sc.sregs)) ++ if (__put_user(ptr_to_compat(&frame->sregs), &frame->sc.sregs)) + return -EFAULT; + + /* Store registers needed to create the signal frame */ +diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c +index 8ecb8726ac47..66c470be1b58 100644 +--- a/arch/s390/kernel/ipl.c ++++ b/arch/s390/kernel/ipl.c +@@ -779,6 +779,7 @@ static ssize_t reipl_generic_loadparm_store(struct ipl_parameter_block *ipb, + /* copy and convert to ebcdic */ + memcpy(ipb->hdr.loadparm, buf, lp_len); + ASCEBC(ipb->hdr.loadparm, LOADPARM_LEN); ++ ipb->hdr.flags |= DIAG308_FLAGS_LP_VALID; + return len; + } + +diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h +index 98722773391d..f01eef8b392e 100644 +--- a/arch/x86/include/asm/apic.h ++++ b/arch/x86/include/asm/apic.h +@@ -319,7 +319,7 @@ struct apic { + /* Probe, setup and smpboot functions */ + int (*probe)(void); + int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id); +- int (*apic_id_valid)(int apicid); ++ int (*apic_id_valid)(u32 apicid); + int (*apic_id_registered)(void); + + bool (*check_apicid_used)(physid_mask_t *map, int apicid); +@@ -492,7 +492,7 @@ static inline unsigned int read_apic_id(void) + return apic->get_apic_id(reg); + } + +-extern int default_apic_id_valid(int apicid); ++extern int default_apic_id_valid(u32 apicid); + extern int default_acpi_madt_oem_check(char *, char *); + extern void default_setup_apic_routing(void); + +diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c +index f4c463df8b08..125ac4eecffc 100644 +--- a/arch/x86/kernel/acpi/boot.c ++++ b/arch/x86/kernel/acpi/boot.c +@@ -200,7 +200,7 @@ acpi_parse_x2apic(struct acpi_subtable_header *header, const unsigned long end) + { + struct acpi_madt_local_x2apic *processor = NULL; + #ifdef CONFIG_X86_X2APIC +- int apic_id; ++ u32 apic_id; + u8 enabled; + #endif + +@@ -222,10 +222,13 @@ acpi_parse_x2apic(struct acpi_subtable_header *header, const unsigned long end) + * to not preallocating memory for all NR_CPUS + * when we use CPU hotplug. + */ +- if (!apic->apic_id_valid(apic_id) && enabled) +- printk(KERN_WARNING PREFIX "x2apic entry ignored\n"); +- else +- acpi_register_lapic(apic_id, processor->uid, enabled); ++ if (!apic->apic_id_valid(apic_id)) { ++ if (enabled) ++ pr_warn(PREFIX "x2apic entry ignored\n"); ++ return 0; ++ } ++ ++ acpi_register_lapic(apic_id, processor->uid, enabled); + #else + printk(KERN_WARNING PREFIX "x2apic entry ignored\n"); + #endif +diff --git a/arch/x86/kernel/apic/apic_common.c b/arch/x86/kernel/apic/apic_common.c +index a360801779ae..02b4839478b1 100644 +--- a/arch/x86/kernel/apic/apic_common.c ++++ b/arch/x86/kernel/apic/apic_common.c +@@ -40,7 +40,7 @@ int default_check_phys_apicid_present(int phys_apicid) + return physid_isset(phys_apicid, phys_cpu_present_map); + } + +-int default_apic_id_valid(int apicid) ++int default_apic_id_valid(u32 apicid) + { + return (apicid < 255); + } +diff --git a/arch/x86/kernel/apic/apic_numachip.c b/arch/x86/kernel/apic/apic_numachip.c +index 134e04506ab4..78778b54f904 100644 +--- a/arch/x86/kernel/apic/apic_numachip.c ++++ b/arch/x86/kernel/apic/apic_numachip.c +@@ -56,7 +56,7 @@ static u32 numachip2_set_apic_id(unsigned int id) + return id << 24; + } + +-static int numachip_apic_id_valid(int apicid) ++static int numachip_apic_id_valid(u32 apicid) + { + /* Trust what bootloader passes in MADT */ + return 1; +diff --git a/arch/x86/kernel/apic/x2apic.h b/arch/x86/kernel/apic/x2apic.h +index b107de381cb5..a49b3604027f 100644 +--- a/arch/x86/kernel/apic/x2apic.h ++++ b/arch/x86/kernel/apic/x2apic.h +@@ -1,6 +1,6 @@ + /* Common bits for X2APIC cluster/physical modes. */ + +-int x2apic_apic_id_valid(int apicid); ++int x2apic_apic_id_valid(u32 apicid); + int x2apic_apic_id_registered(void); + void __x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest); + unsigned int x2apic_get_apic_id(unsigned long id); +diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c +index f8d9d69994e6..e972405eb2b5 100644 +--- a/arch/x86/kernel/apic/x2apic_phys.c ++++ b/arch/x86/kernel/apic/x2apic_phys.c +@@ -101,7 +101,7 @@ static int x2apic_phys_probe(void) + } + + /* Common x2apic functions, also used by x2apic_cluster */ +-int x2apic_apic_id_valid(int apicid) ++int x2apic_apic_id_valid(u32 apicid) + { + return 1; + } +diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c +index e1b8e8bf6b3c..f6cce056324a 100644 +--- a/arch/x86/kernel/apic/x2apic_uv_x.c ++++ b/arch/x86/kernel/apic/x2apic_uv_x.c +@@ -554,7 +554,7 @@ static void uv_send_IPI_all(int vector) + uv_send_IPI_mask(cpu_online_mask, vector); + } + +-static int uv_apic_id_valid(int apicid) ++static int uv_apic_id_valid(u32 apicid) + { + return 1; + } +diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c +index 486f640b02ef..f3bbc7bde471 100644 +--- a/arch/x86/kernel/cpu/mcheck/mce_amd.c ++++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c +@@ -416,6 +416,21 @@ static u32 get_block_address(unsigned int cpu, u32 current_addr, u32 low, u32 hi + { + u32 addr = 0, offset = 0; + ++ if ((bank >= mca_cfg.banks) || (block >= NR_BLOCKS)) ++ return addr; ++ ++ /* Get address from already initialized block. */ ++ if (per_cpu(threshold_banks, cpu)) { ++ struct threshold_bank *bankp = per_cpu(threshold_banks, cpu)[bank]; ++ ++ if (bankp && bankp->blocks) { ++ struct threshold_block *blockp = &bankp->blocks[block]; ++ ++ if (blockp) ++ return blockp->address; ++ } ++ } ++ + if (mce_flags.smca) { + if (!block) { + addr = MSR_AMD64_SMCA_MCx_MISC(bank); +diff --git a/arch/x86/xen/apic.c b/arch/x86/xen/apic.c +index de58533d3664..2fa79e2e73ea 100644 +--- a/arch/x86/xen/apic.c ++++ b/arch/x86/xen/apic.c +@@ -112,7 +112,7 @@ static int xen_madt_oem_check(char *oem_id, char *oem_table_id) + return xen_pv_domain(); + } + +-static int xen_id_always_valid(int apicid) ++static int xen_id_always_valid(u32 apicid) + { + return 1; + } +diff --git a/block/blk-core.c b/block/blk-core.c +index b725d9e340c2..322c47ffac3b 100644 +--- a/block/blk-core.c ++++ b/block/blk-core.c +@@ -823,7 +823,7 @@ int blk_queue_enter(struct request_queue *q, blk_mq_req_flags_t flags) + bool success = false; + int ret; + +- rcu_read_lock_sched(); ++ rcu_read_lock(); + if (percpu_ref_tryget_live(&q->q_usage_counter)) { + /* + * The code that sets the PREEMPT_ONLY flag is +@@ -836,7 +836,7 @@ int blk_queue_enter(struct request_queue *q, blk_mq_req_flags_t flags) + percpu_ref_put(&q->q_usage_counter); + } + } +- rcu_read_unlock_sched(); ++ rcu_read_unlock(); + + if (success) + return 0; +diff --git a/block/blk-mq-cpumap.c b/block/blk-mq-cpumap.c +index 9f8cffc8a701..3eb169f15842 100644 +--- a/block/blk-mq-cpumap.c ++++ b/block/blk-mq-cpumap.c +@@ -16,11 +16,6 @@ + + static int cpu_to_queue_index(unsigned int nr_queues, const int cpu) + { +- /* +- * Non present CPU will be mapped to queue index 0. +- */ +- if (!cpu_present(cpu)) +- return 0; + return cpu % nr_queues; + } + +diff --git a/block/blk-mq.c b/block/blk-mq.c +index ab88ff3314a7..fb5f2704e621 100644 +--- a/block/blk-mq.c ++++ b/block/blk-mq.c +@@ -1096,7 +1096,12 @@ bool blk_mq_dispatch_rq_list(struct request_queue *q, struct list_head *list, + blk_status_t ret; + + rq = list_first_entry(list, struct request, queuelist); +- if (!blk_mq_get_driver_tag(rq, &hctx, false)) { ++ ++ hctx = blk_mq_map_queue(rq->q, rq->mq_ctx->cpu); ++ if (!got_budget && !blk_mq_get_dispatch_budget(hctx)) ++ break; ++ ++ if (!blk_mq_get_driver_tag(rq, NULL, false)) { + /* + * The initial allocation attempt failed, so we need to + * rerun the hardware queue when a tag is freed. The +@@ -1105,8 +1110,7 @@ bool blk_mq_dispatch_rq_list(struct request_queue *q, struct list_head *list, + * we'll re-run it below. + */ + if (!blk_mq_mark_tag_wait(&hctx, rq)) { +- if (got_budget) +- blk_mq_put_dispatch_budget(hctx); ++ blk_mq_put_dispatch_budget(hctx); + /* + * For non-shared tags, the RESTART check + * will suffice. +@@ -1117,11 +1121,6 @@ bool blk_mq_dispatch_rq_list(struct request_queue *q, struct list_head *list, + } + } + +- if (!got_budget && !blk_mq_get_dispatch_budget(hctx)) { +- blk_mq_put_driver_tag(rq); +- break; +- } +- + list_del_init(&rq->queuelist); + + bd.rq = rq; +@@ -1619,11 +1618,11 @@ static void __blk_mq_try_issue_directly(struct blk_mq_hw_ctx *hctx, + if (q->elevator) + goto insert; + +- if (!blk_mq_get_driver_tag(rq, NULL, false)) ++ if (!blk_mq_get_dispatch_budget(hctx)) + goto insert; + +- if (!blk_mq_get_dispatch_budget(hctx)) { +- blk_mq_put_driver_tag(rq); ++ if (!blk_mq_get_driver_tag(rq, NULL, false)) { ++ blk_mq_put_dispatch_budget(hctx); + goto insert; + } + +diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c +index b28ce440a06f..add21ba1bc86 100644 +--- a/drivers/acpi/nfit/core.c ++++ b/drivers/acpi/nfit/core.c +@@ -2998,15 +2998,21 @@ static void acpi_nfit_scrub(struct work_struct *work) + static int acpi_nfit_register_regions(struct acpi_nfit_desc *acpi_desc) + { + struct nfit_spa *nfit_spa; +- int rc; + +- list_for_each_entry(nfit_spa, &acpi_desc->spas, list) +- if (nfit_spa_type(nfit_spa->spa) == NFIT_SPA_DCR) { +- /* BLK regions don't need to wait for ars results */ +- rc = acpi_nfit_register_region(acpi_desc, nfit_spa); +- if (rc) +- return rc; +- } ++ list_for_each_entry(nfit_spa, &acpi_desc->spas, list) { ++ int rc, type = nfit_spa_type(nfit_spa->spa); ++ ++ /* PMEM and VMEM will be registered by the ARS workqueue */ ++ if (type == NFIT_SPA_PM || type == NFIT_SPA_VOLATILE) ++ continue; ++ /* BLK apertures belong to BLK region registration below */ ++ if (type == NFIT_SPA_BDW) ++ continue; ++ /* BLK regions don't need to wait for ARS results */ ++ rc = acpi_nfit_register_region(acpi_desc, nfit_spa); ++ if (rc) ++ return rc; ++ } + + acpi_desc->ars_start_flags = 0; + if (!acpi_desc->cancel) +diff --git a/drivers/block/loop.c b/drivers/block/loop.c +index 89d2ee00cced..69ddd171587f 100644 +--- a/drivers/block/loop.c ++++ b/drivers/block/loop.c +@@ -1103,11 +1103,15 @@ loop_set_status(struct loop_device *lo, const struct loop_info64 *info) + if (info->lo_encrypt_type) { + unsigned int type = info->lo_encrypt_type; + +- if (type >= MAX_LO_CRYPT) +- return -EINVAL; ++ if (type >= MAX_LO_CRYPT) { ++ err = -EINVAL; ++ goto exit; ++ } + xfer = xfer_funcs[type]; +- if (xfer == NULL) +- return -EINVAL; ++ if (xfer == NULL) { ++ err = -EINVAL; ++ goto exit; ++ } + } else + xfer = NULL; + +diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c +index 7d98f9a17636..51a04a08cc9f 100644 +--- a/drivers/bluetooth/hci_bcm.c ++++ b/drivers/bluetooth/hci_bcm.c +@@ -701,22 +701,6 @@ static const struct acpi_gpio_mapping acpi_bcm_int_first_gpios[] = { + #ifdef CONFIG_ACPI + /* IRQ polarity of some chipsets are not defined correctly in ACPI table. */ + static const struct dmi_system_id bcm_active_low_irq_dmi_table[] = { +- { +- .ident = "Asus T100TA", +- .matches = { +- DMI_EXACT_MATCH(DMI_SYS_VENDOR, +- "ASUSTeK COMPUTER INC."), +- DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TA"), +- }, +- }, +- { +- .ident = "Asus T100CHI", +- .matches = { +- DMI_EXACT_MATCH(DMI_SYS_VENDOR, +- "ASUSTeK COMPUTER INC."), +- DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100CHI"), +- }, +- }, + { /* Handle ThinkPad 8 tablets with BCM2E55 chipset ACPI ID */ + .ident = "Lenovo ThinkPad 8", + .matches = { +@@ -744,7 +728,9 @@ static int bcm_resource(struct acpi_resource *ares, void *data) + switch (ares->type) { + case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: + irq = &ares->data.extended_irq; +- dev->irq_active_low = irq->polarity == ACPI_ACTIVE_LOW; ++ if (irq->polarity != ACPI_ACTIVE_LOW) ++ dev_info(dev->dev, "ACPI Interrupt resource is active-high, this is usually wrong, treating the IRQ as active-low\n"); ++ dev->irq_active_low = true; + break; + + case ACPI_RESOURCE_TYPE_GPIO: +diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c +index 7499b0cd8326..c33e579d8911 100644 +--- a/drivers/char/ipmi/ipmi_si_intf.c ++++ b/drivers/char/ipmi/ipmi_si_intf.c +@@ -252,6 +252,9 @@ struct smi_info { + /* Default driver model device. */ + struct platform_device *pdev; + ++ /* Have we added the device group to the device? */ ++ bool dev_group_added; ++ + /* Counters and things for the proc filesystem. */ + atomic_t stats[SI_NUM_STATS]; + +@@ -2025,8 +2028,8 @@ int ipmi_si_add_smi(struct si_sm_io *io) + if (initialized) { + rv = try_smi_init(new_smi); + if (rv) { +- mutex_unlock(&smi_infos_lock); + cleanup_one_si(new_smi); ++ mutex_unlock(&smi_infos_lock); + return rv; + } + } +@@ -2185,6 +2188,7 @@ static int try_smi_init(struct smi_info *new_smi) + rv); + goto out_err_stop_timer; + } ++ new_smi->dev_group_added = true; + + rv = ipmi_register_smi(&handlers, + new_smi, +@@ -2238,7 +2242,10 @@ static int try_smi_init(struct smi_info *new_smi) + return 0; + + out_err_remove_attrs: +- device_remove_group(new_smi->io.dev, &ipmi_si_dev_attr_group); ++ if (new_smi->dev_group_added) { ++ device_remove_group(new_smi->io.dev, &ipmi_si_dev_attr_group); ++ new_smi->dev_group_added = false; ++ } + dev_set_drvdata(new_smi->io.dev, NULL); + + out_err_stop_timer: +@@ -2286,6 +2293,7 @@ static int try_smi_init(struct smi_info *new_smi) + else + platform_device_put(new_smi->pdev); + new_smi->pdev = NULL; ++ new_smi->io.dev = NULL; + } + + kfree(init_name); +@@ -2382,8 +2390,10 @@ static void cleanup_one_si(struct smi_info *to_clean) + } + } + +- device_remove_group(to_clean->io.dev, &ipmi_si_dev_attr_group); +- dev_set_drvdata(to_clean->io.dev, NULL); ++ if (to_clean->dev_group_added) ++ device_remove_group(to_clean->io.dev, &ipmi_si_dev_attr_group); ++ if (to_clean->io.dev) ++ dev_set_drvdata(to_clean->io.dev, NULL); + + list_del(&to_clean->link); + +diff --git a/drivers/gpu/drm/i915/intel_dp_link_training.c b/drivers/gpu/drm/i915/intel_dp_link_training.c +index 05907fa8a553..cf8fef8b6f58 100644 +--- a/drivers/gpu/drm/i915/intel_dp_link_training.c ++++ b/drivers/gpu/drm/i915/intel_dp_link_training.c +@@ -328,14 +328,22 @@ intel_dp_start_link_train(struct intel_dp *intel_dp) + return; + + failure_handling: +- DRM_DEBUG_KMS("[CONNECTOR:%d:%s] Link Training failed at link rate = %d, lane count = %d", +- intel_connector->base.base.id, +- intel_connector->base.name, +- intel_dp->link_rate, intel_dp->lane_count); +- if (!intel_dp_get_link_train_fallback_values(intel_dp, +- intel_dp->link_rate, +- intel_dp->lane_count)) +- /* Schedule a Hotplug Uevent to userspace to start modeset */ +- schedule_work(&intel_connector->modeset_retry_work); ++ /* Dont fallback and prune modes if its eDP */ ++ if (!intel_dp_is_edp(intel_dp)) { ++ DRM_DEBUG_KMS("[CONNECTOR:%d:%s] Link Training failed at link rate = %d, lane count = %d", ++ intel_connector->base.base.id, ++ intel_connector->base.name, ++ intel_dp->link_rate, intel_dp->lane_count); ++ if (!intel_dp_get_link_train_fallback_values(intel_dp, ++ intel_dp->link_rate, ++ intel_dp->lane_count)) ++ /* Schedule a Hotplug Uevent to userspace to start modeset */ ++ schedule_work(&intel_connector->modeset_retry_work); ++ } else { ++ DRM_ERROR("[CONNECTOR:%d:%s] Link Training failed at link rate = %d, lane count = %d", ++ intel_connector->base.base.id, ++ intel_connector->base.name, ++ intel_dp->link_rate, intel_dp->lane_count); ++ } + return; + } +diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c +index c21020b69114..55ee5e87073a 100644 +--- a/drivers/hv/channel_mgmt.c ++++ b/drivers/hv/channel_mgmt.c +@@ -71,7 +71,7 @@ static const struct vmbus_device vmbus_devs[] = { + /* PCIE */ + { .dev_type = HV_PCIE, + HV_PCIE_GUID, +- .perf_device = true, ++ .perf_device = false, + }, + + /* Synthetic Frame Buffer */ +diff --git a/drivers/hwmon/ina2xx.c b/drivers/hwmon/ina2xx.c +index e362a932fe8c..e9e6aeabbf84 100644 +--- a/drivers/hwmon/ina2xx.c ++++ b/drivers/hwmon/ina2xx.c +@@ -454,6 +454,7 @@ static int ina2xx_probe(struct i2c_client *client, + + /* set the device type */ + data->config = &ina2xx_config[chip]; ++ mutex_init(&data->config_lock); + + if (of_property_read_u32(dev->of_node, "shunt-resistor", &val) < 0) { + struct ina2xx_platform_data *pdata = dev_get_platdata(dev); +@@ -480,8 +481,6 @@ static int ina2xx_probe(struct i2c_client *client, + return -ENODEV; + } + +- mutex_init(&data->config_lock); +- + data->groups[group++] = &ina2xx_group; + if (id->driver_data == ina226) + data->groups[group++] = &ina226_group; +diff --git a/drivers/media/platform/vsp1/vsp1_dl.c b/drivers/media/platform/vsp1/vsp1_dl.c +index 4257451f1bd8..0b86ed01e85d 100644 +--- a/drivers/media/platform/vsp1/vsp1_dl.c ++++ b/drivers/media/platform/vsp1/vsp1_dl.c +@@ -509,7 +509,8 @@ static bool vsp1_dl_list_hw_update_pending(struct vsp1_dl_manager *dlm) + return !!(vsp1_read(vsp1, VI6_DL_BODY_SIZE) + & VI6_DL_BODY_SIZE_UPD); + else +- return !!(vsp1_read(vsp1, VI6_CMD(dlm->index) & VI6_CMD_UPDHDR)); ++ return !!(vsp1_read(vsp1, VI6_CMD(dlm->index)) ++ & VI6_CMD_UPDHDR); + } + + static void vsp1_dl_list_hw_enqueue(struct vsp1_dl_list *dl) +diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c +index cbeea8343a5c..6730fd08ef03 100644 +--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c ++++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c +@@ -101,7 +101,7 @@ static int get_v4l2_window32(struct v4l2_window __user *kp, + static int put_v4l2_window32(struct v4l2_window __user *kp, + struct v4l2_window32 __user *up) + { +- struct v4l2_clip __user *kclips = kp->clips; ++ struct v4l2_clip __user *kclips; + struct v4l2_clip32 __user *uclips; + compat_caddr_t p; + u32 clipcount; +@@ -116,6 +116,8 @@ static int put_v4l2_window32(struct v4l2_window __user *kp, + if (!clipcount) + return 0; + ++ if (get_user(kclips, &kp->clips)) ++ return -EFAULT; + if (get_user(p, &up->clips)) + return -EFAULT; + uclips = compat_ptr(p); +diff --git a/drivers/net/slip/slhc.c b/drivers/net/slip/slhc.c +index 5782733959f0..f4e93f5fc204 100644 +--- a/drivers/net/slip/slhc.c ++++ b/drivers/net/slip/slhc.c +@@ -509,6 +509,10 @@ slhc_uncompress(struct slcompress *comp, unsigned char *icp, int isize) + if(x < 0 || x > comp->rslot_limit) + goto bad; + ++ /* Check if the cstate is initialized */ ++ if (!comp->rstate[x].initialized) ++ goto bad; ++ + comp->flags &=~ SLF_TOSS; + comp->recv_current = x; + } else { +@@ -673,6 +677,7 @@ slhc_remember(struct slcompress *comp, unsigned char *icp, int isize) + if (cs->cs_tcp.doff > 5) + memcpy(cs->cs_tcpopt, icp + ihl*4 + sizeof(struct tcphdr), (cs->cs_tcp.doff - 5) * 4); + cs->cs_hsize = ihl*2 + cs->cs_tcp.doff*2; ++ cs->initialized = true; + /* Put headers back on packet + * Neither header checksum is recalculated + */ +diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c +index 05dca3e5c93d..178b956501a7 100644 +--- a/drivers/net/usb/cdc_ether.c ++++ b/drivers/net/usb/cdc_ether.c +@@ -895,6 +895,12 @@ static const struct usb_device_id products[] = { + USB_CDC_SUBCLASS_ETHERNET, + USB_CDC_PROTO_NONE), + .driver_info = (unsigned long)&wwan_info, ++}, { ++ /* Cinterion AHS3 modem by GEMALTO */ ++ USB_DEVICE_AND_INTERFACE_INFO(0x1e2d, 0x0055, USB_CLASS_COMM, ++ USB_CDC_SUBCLASS_ETHERNET, ++ USB_CDC_PROTO_NONE), ++ .driver_info = (unsigned long)&wwan_info, + }, { + USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET, + USB_CDC_PROTO_NONE), +diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c +index 02048263c1fb..e0d52ad4842d 100644 +--- a/drivers/net/usb/lan78xx.c ++++ b/drivers/net/usb/lan78xx.c +@@ -928,7 +928,8 @@ static int lan78xx_read_otp(struct lan78xx_net *dev, u32 offset, + offset += 0x100; + else + ret = -EINVAL; +- ret = lan78xx_read_raw_otp(dev, offset, length, data); ++ if (!ret) ++ ret = lan78xx_read_raw_otp(dev, offset, length, data); + } + + return ret; +diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c +index 396bf05c6bf6..d8b041f48ca8 100644 +--- a/drivers/net/wireless/ath/ath9k/xmit.c ++++ b/drivers/net/wireless/ath/ath9k/xmit.c +@@ -2892,6 +2892,8 @@ void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an) + struct ath_txq *txq; + int tidno; + ++ rcu_read_lock(); ++ + for (tidno = 0; tidno < IEEE80211_NUM_TIDS; tidno++) { + tid = ath_node_to_tid(an, tidno); + txq = tid->txq; +@@ -2909,6 +2911,8 @@ void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an) + if (!an->sta) + break; /* just one multicast ath_atx_tid */ + } ++ ++ rcu_read_unlock(); + } + + #ifdef CONFIG_ATH9K_TX99 +diff --git a/drivers/net/wireless/realtek/rtl818x/rtl8187/dev.c b/drivers/net/wireless/realtek/rtl818x/rtl8187/dev.c +index 121b94f09714..9a1d15b3ce45 100644 +--- a/drivers/net/wireless/realtek/rtl818x/rtl8187/dev.c ++++ b/drivers/net/wireless/realtek/rtl818x/rtl8187/dev.c +@@ -1450,6 +1450,7 @@ static int rtl8187_probe(struct usb_interface *intf, + goto err_free_dev; + } + mutex_init(&priv->io_mutex); ++ mutex_init(&priv->conf_mutex); + + SET_IEEE80211_DEV(dev, &intf->dev); + usb_set_intfdata(intf, dev); +@@ -1625,7 +1626,6 @@ static int rtl8187_probe(struct usb_interface *intf, + printk(KERN_ERR "rtl8187: Cannot register device\n"); + goto err_free_dmabuf; + } +- mutex_init(&priv->conf_mutex); + skb_queue_head_init(&priv->b_tx_status.queue); + + wiphy_info(dev->wiphy, "hwaddr %pM, %s V%d + %s, rfkill mask %d\n", +diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c +index 935593032123..bbe69e147b48 100644 +--- a/drivers/nvme/host/core.c ++++ b/drivers/nvme/host/core.c +@@ -2720,6 +2720,7 @@ static int __nvme_check_ids(struct nvme_subsystem *subsys, + + list_for_each_entry(h, &subsys->nsheads, entry) { + if (nvme_ns_ids_valid(&new->ids) && ++ !list_empty(&h->list) && + nvme_ns_ids_equal(&new->ids, &h->ids)) + return -EINVAL; + } +diff --git a/drivers/pci/host/pci-hyperv.c b/drivers/pci/host/pci-hyperv.c +index 6b8d060d07de..1cdc12938b24 100644 +--- a/drivers/pci/host/pci-hyperv.c ++++ b/drivers/pci/host/pci-hyperv.c +@@ -457,7 +457,6 @@ struct hv_pcibus_device { + spinlock_t device_list_lock; /* Protect lists below */ + void __iomem *cfg_addr; + +- struct semaphore enum_sem; + struct list_head resources_for_children; + + struct list_head children; +@@ -471,6 +470,8 @@ struct hv_pcibus_device { + struct retarget_msi_interrupt retarget_msi_interrupt_params; + + spinlock_t retarget_msi_interrupt_lock; ++ ++ struct workqueue_struct *wq; + }; + + /* +@@ -530,6 +531,8 @@ struct hv_pci_compl { + s32 completion_status; + }; + ++static void hv_pci_onchannelcallback(void *context); ++ + /** + * hv_pci_generic_compl() - Invoked for a completion packet + * @context: Set up by the sender of the packet. +@@ -674,6 +677,31 @@ static void _hv_pcifront_read_config(struct hv_pci_dev *hpdev, int where, + } + } + ++static u16 hv_pcifront_get_vendor_id(struct hv_pci_dev *hpdev) ++{ ++ u16 ret; ++ unsigned long flags; ++ void __iomem *addr = hpdev->hbus->cfg_addr + CFG_PAGE_OFFSET + ++ PCI_VENDOR_ID; ++ ++ spin_lock_irqsave(&hpdev->hbus->config_lock, flags); ++ ++ /* Choose the function to be read. (See comment above) */ ++ writel(hpdev->desc.win_slot.slot, hpdev->hbus->cfg_addr); ++ /* Make sure the function was chosen before we start reading. */ ++ mb(); ++ /* Read from that function's config space. */ ++ ret = readw(addr); ++ /* ++ * mb() is not required here, because the spin_unlock_irqrestore() ++ * is a barrier. ++ */ ++ ++ spin_unlock_irqrestore(&hpdev->hbus->config_lock, flags); ++ ++ return ret; ++} ++ + /** + * _hv_pcifront_write_config() - Internal PCI config write + * @hpdev: The PCI driver's representation of the device +@@ -1116,8 +1144,37 @@ static void hv_compose_msi_msg(struct irq_data *data, struct msi_msg *msg) + * Since this function is called with IRQ locks held, can't + * do normal wait for completion; instead poll. + */ +- while (!try_wait_for_completion(&comp.comp_pkt.host_event)) ++ while (!try_wait_for_completion(&comp.comp_pkt.host_event)) { ++ /* 0xFFFF means an invalid PCI VENDOR ID. */ ++ if (hv_pcifront_get_vendor_id(hpdev) == 0xFFFF) { ++ dev_err_once(&hbus->hdev->device, ++ "the device has gone\n"); ++ goto free_int_desc; ++ } ++ ++ /* ++ * When the higher level interrupt code calls us with ++ * interrupt disabled, we must poll the channel by calling ++ * the channel callback directly when channel->target_cpu is ++ * the current CPU. When the higher level interrupt code ++ * calls us with interrupt enabled, let's add the ++ * local_bh_disable()/enable() to avoid race. ++ */ ++ local_bh_disable(); ++ ++ if (hbus->hdev->channel->target_cpu == smp_processor_id()) ++ hv_pci_onchannelcallback(hbus); ++ ++ local_bh_enable(); ++ ++ if (hpdev->state == hv_pcichild_ejecting) { ++ dev_err_once(&hbus->hdev->device, ++ "the device is being ejected\n"); ++ goto free_int_desc; ++ } ++ + udelay(100); ++ } + + if (comp.comp_pkt.completion_status < 0) { + dev_err(&hbus->hdev->device, +@@ -1600,12 +1657,8 @@ static struct hv_pci_dev *get_pcichild_wslot(struct hv_pcibus_device *hbus, + * It must also treat the omission of a previously observed device as + * notification that the device no longer exists. + * +- * Note that this function is a work item, and it may not be +- * invoked in the order that it was queued. Back to back +- * updates of the list of present devices may involve queuing +- * multiple work items, and this one may run before ones that +- * were sent later. As such, this function only does something +- * if is the last one in the queue. ++ * Note that this function is serialized with hv_eject_device_work(), ++ * because both are pushed to the ordered workqueue hbus->wq. + */ + static void pci_devices_present_work(struct work_struct *work) + { +@@ -1626,11 +1679,6 @@ static void pci_devices_present_work(struct work_struct *work) + + INIT_LIST_HEAD(&removed); + +- if (down_interruptible(&hbus->enum_sem)) { +- put_hvpcibus(hbus); +- return; +- } +- + /* Pull this off the queue and process it if it was the last one. */ + spin_lock_irqsave(&hbus->device_list_lock, flags); + while (!list_empty(&hbus->dr_list)) { +@@ -1647,7 +1695,6 @@ static void pci_devices_present_work(struct work_struct *work) + spin_unlock_irqrestore(&hbus->device_list_lock, flags); + + if (!dr) { +- up(&hbus->enum_sem); + put_hvpcibus(hbus); + return; + } +@@ -1734,7 +1781,6 @@ static void pci_devices_present_work(struct work_struct *work) + break; + } + +- up(&hbus->enum_sem); + put_hvpcibus(hbus); + kfree(dr); + } +@@ -1780,7 +1826,7 @@ static void hv_pci_devices_present(struct hv_pcibus_device *hbus, + spin_unlock_irqrestore(&hbus->device_list_lock, flags); + + get_hvpcibus(hbus); +- schedule_work(&dr_wrk->wrk); ++ queue_work(hbus->wq, &dr_wrk->wrk); + } + + /** +@@ -1858,7 +1904,7 @@ static void hv_pci_eject_device(struct hv_pci_dev *hpdev) + get_pcichild(hpdev, hv_pcidev_ref_pnp); + INIT_WORK(&hpdev->wrk, hv_eject_device_work); + get_hvpcibus(hpdev->hbus); +- schedule_work(&hpdev->wrk); ++ queue_work(hpdev->hbus->wq, &hpdev->wrk); + } + + /** +@@ -2471,13 +2517,18 @@ static int hv_pci_probe(struct hv_device *hdev, + spin_lock_init(&hbus->config_lock); + spin_lock_init(&hbus->device_list_lock); + spin_lock_init(&hbus->retarget_msi_interrupt_lock); +- sema_init(&hbus->enum_sem, 1); + init_completion(&hbus->remove_event); ++ hbus->wq = alloc_ordered_workqueue("hv_pci_%x", 0, ++ hbus->sysdata.domain); ++ if (!hbus->wq) { ++ ret = -ENOMEM; ++ goto free_bus; ++ } + + ret = vmbus_open(hdev->channel, pci_ring_size, pci_ring_size, NULL, 0, + hv_pci_onchannelcallback, hbus); + if (ret) +- goto free_bus; ++ goto destroy_wq; + + hv_set_drvdata(hdev, hbus); + +@@ -2546,6 +2597,8 @@ static int hv_pci_probe(struct hv_device *hdev, + hv_free_config_window(hbus); + close: + vmbus_close(hdev->channel); ++destroy_wq: ++ destroy_workqueue(hbus->wq); + free_bus: + free_page((unsigned long)hbus); + return ret; +@@ -2625,6 +2678,7 @@ static int hv_pci_remove(struct hv_device *hdev) + irq_domain_free_fwnode(hbus->sysdata.fwnode); + put_hvpcibus(hbus); + wait_for_completion(&hbus->remove_event); ++ destroy_workqueue(hbus->wq); + free_page((unsigned long)hbus); + return 0; + } +diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c +index 95b0efe28afb..d4c63daf4479 100644 +--- a/drivers/s390/cio/qdio_main.c ++++ b/drivers/s390/cio/qdio_main.c +@@ -127,7 +127,7 @@ static inline int qdio_check_ccq(struct qdio_q *q, unsigned int ccq) + static int qdio_do_eqbs(struct qdio_q *q, unsigned char *state, + int start, int count, int auto_ack) + { +- int rc, tmp_count = count, tmp_start = start, nr = q->nr, retried = 0; ++ int rc, tmp_count = count, tmp_start = start, nr = q->nr; + unsigned int ccq = 0; + + qperf_inc(q, eqbs); +@@ -150,14 +150,7 @@ static int qdio_do_eqbs(struct qdio_q *q, unsigned char *state, + qperf_inc(q, eqbs_partial); + DBF_DEV_EVENT(DBF_WARN, q->irq_ptr, "EQBS part:%02x", + tmp_count); +- /* +- * Retry once, if that fails bail out and process the +- * extracted buffers before trying again. +- */ +- if (!retried++) +- goto again; +- else +- return count - tmp_count; ++ return count - tmp_count; + } + + DBF_ERROR("%4x EQBS ERROR", SCH_NO(q)); +@@ -213,7 +206,10 @@ static int qdio_do_sqbs(struct qdio_q *q, unsigned char state, int start, + return 0; + } + +-/* returns number of examined buffers and their common state in *state */ ++/* ++ * Returns number of examined buffers and their common state in *state. ++ * Requested number of buffers-to-examine must be > 0. ++ */ + static inline int get_buf_states(struct qdio_q *q, unsigned int bufnr, + unsigned char *state, unsigned int count, + int auto_ack, int merge_pending) +@@ -224,17 +220,23 @@ static inline int get_buf_states(struct qdio_q *q, unsigned int bufnr, + if (is_qebsm(q)) + return qdio_do_eqbs(q, state, bufnr, count, auto_ack); + +- for (i = 0; i < count; i++) { +- if (!__state) { +- __state = q->slsb.val[bufnr]; +- if (merge_pending && __state == SLSB_P_OUTPUT_PENDING) +- __state = SLSB_P_OUTPUT_EMPTY; +- } else if (merge_pending) { +- if ((q->slsb.val[bufnr] & __state) != __state) +- break; +- } else if (q->slsb.val[bufnr] != __state) +- break; ++ /* get initial state: */ ++ __state = q->slsb.val[bufnr]; ++ if (merge_pending && __state == SLSB_P_OUTPUT_PENDING) ++ __state = SLSB_P_OUTPUT_EMPTY; ++ ++ for (i = 1; i < count; i++) { + bufnr = next_buf(bufnr); ++ ++ /* merge PENDING into EMPTY: */ ++ if (merge_pending && ++ q->slsb.val[bufnr] == SLSB_P_OUTPUT_PENDING && ++ __state == SLSB_P_OUTPUT_EMPTY) ++ continue; ++ ++ /* stop if next state differs from initial state: */ ++ if (q->slsb.val[bufnr] != __state) ++ break; + } + *state = __state; + return i; +diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c +index 1204c1d59bc4..a879c3f4e20c 100644 +--- a/drivers/scsi/qla2xxx/qla_os.c ++++ b/drivers/scsi/qla2xxx/qla_os.c +@@ -466,9 +466,6 @@ static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req, + + static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req) + { +- if (!ha->req_q_map) +- return; +- + if (IS_QLAFX00(ha)) { + if (req && req->ring_fx00) + dma_free_coherent(&ha->pdev->dev, +@@ -479,17 +476,14 @@ static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req) + (req->length + 1) * sizeof(request_t), + req->ring, req->dma); + +- if (req) { ++ if (req) + kfree(req->outstanding_cmds); +- kfree(req); +- } ++ ++ kfree(req); + } + + static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp) + { +- if (!ha->rsp_q_map) +- return; +- + if (IS_QLAFX00(ha)) { + if (rsp && rsp->ring) + dma_free_coherent(&ha->pdev->dev, +@@ -500,8 +494,7 @@ static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp) + (rsp->length + 1) * sizeof(response_t), + rsp->ring, rsp->dma); + } +- if (rsp) +- kfree(rsp); ++ kfree(rsp); + } + + static void qla2x00_free_queues(struct qla_hw_data *ha) +@@ -3083,7 +3076,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) + goto probe_failed; + + /* Alloc arrays of request and response ring ptrs */ +- if (qla2x00_alloc_queues(ha, req, rsp)) { ++ ret = qla2x00_alloc_queues(ha, req, rsp); ++ if (ret) { + ql_log(ql_log_fatal, base_vha, 0x003d, + "Failed to allocate memory for queue pointers..." + "aborting.\n"); +@@ -3384,8 +3378,15 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) + } + + qla2x00_free_device(base_vha); +- + scsi_host_put(base_vha->host); ++ /* ++ * Need to NULL out local req/rsp after ++ * qla2x00_free_device => qla2x00_free_queues frees ++ * what these are pointing to. Or else we'll ++ * fall over below in qla2x00_free_req/rsp_que. ++ */ ++ req = NULL; ++ rsp = NULL; + + probe_hw_failed: + qla2x00_mem_free(ha); +@@ -4078,6 +4079,7 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len, + (*rsp)->dma = 0; + fail_rsp_ring: + kfree(*rsp); ++ *rsp = NULL; + fail_rsp: + dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) * + sizeof(request_t), (*req)->ring, (*req)->dma); +@@ -4085,6 +4087,7 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len, + (*req)->dma = 0; + fail_req_ring: + kfree(*req); ++ *req = NULL; + fail_req: + dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), + ha->ct_sns, ha->ct_sns_dma); +@@ -4452,16 +4455,11 @@ qla2x00_mem_free(struct qla_hw_data *ha) + dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, + ha->init_cb, ha->init_cb_dma); + +- if (ha->optrom_buffer) +- vfree(ha->optrom_buffer); +- if (ha->nvram) +- kfree(ha->nvram); +- if (ha->npiv_info) +- kfree(ha->npiv_info); +- if (ha->swl) +- kfree(ha->swl); +- if (ha->loop_id_map) +- kfree(ha->loop_id_map); ++ vfree(ha->optrom_buffer); ++ kfree(ha->nvram); ++ kfree(ha->npiv_info); ++ kfree(ha->swl); ++ kfree(ha->loop_id_map); + + ha->srb_mempool = NULL; + ha->ctx_mempool = NULL; +diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c +index a5622a8364cb..31bdfd296ced 100644 +--- a/drivers/vhost/vhost.c ++++ b/drivers/vhost/vhost.c +@@ -756,7 +756,7 @@ static int vhost_copy_to_user(struct vhost_virtqueue *vq, void __user *to, + struct iov_iter t; + void __user *uaddr = vhost_vq_meta_fetch(vq, + (u64)(uintptr_t)to, size, +- VHOST_ADDR_DESC); ++ VHOST_ADDR_USED); + + if (uaddr) + return __copy_to_user(uaddr, from, size); +@@ -1256,10 +1256,12 @@ static int vq_log_access_ok(struct vhost_virtqueue *vq, + /* Caller should have vq mutex and device mutex */ + int vhost_vq_access_ok(struct vhost_virtqueue *vq) + { +- int ret = vq_log_access_ok(vq, vq->log_base); ++ if (!vq_log_access_ok(vq, vq->log_base)) ++ return 0; + +- if (ret || vq->iotlb) +- return ret; ++ /* Access validation occurs at prefetch time with IOTLB */ ++ if (vq->iotlb) ++ return 1; + + return vq_access_ok(vq, vq->num, vq->desc, vq->avail, vq->used); + } +diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c +index f3b089b7c0b6..d2edbc79384a 100644 +--- a/drivers/xen/xenbus/xenbus_dev_frontend.c ++++ b/drivers/xen/xenbus/xenbus_dev_frontend.c +@@ -365,7 +365,7 @@ void xenbus_dev_queue_reply(struct xb_req_data *req) + if (WARN_ON(rc)) + goto out; + } +- } else if (req->msg.type == XS_TRANSACTION_END) { ++ } else if (req->type == XS_TRANSACTION_END) { + trans = xenbus_get_transaction(u, req->msg.tx_id); + if (WARN_ON(!trans)) + goto out; +diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c +index d844dcb80570..3a48ea72704c 100644 +--- a/fs/f2fs/gc.c ++++ b/fs/f2fs/gc.c +@@ -191,8 +191,9 @@ static void select_policy(struct f2fs_sb_info *sbi, int gc_type, + if (gc_type != FG_GC && p->max_search > sbi->max_victim_search) + p->max_search = sbi->max_victim_search; + +- /* let's select beginning hot/small space first */ +- if (type == CURSEG_HOT_DATA || IS_NODESEG(type)) ++ /* let's select beginning hot/small space first in no_heap mode*/ ++ if (test_opt(sbi, NOHEAP) && ++ (type == CURSEG_HOT_DATA || IS_NODESEG(type))) + p->offset = 0; + else + p->offset = SIT_I(sbi)->last_victim[p->gc_mode]; +diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c +index c117e0913f2a..203543b61244 100644 +--- a/fs/f2fs/segment.c ++++ b/fs/f2fs/segment.c +@@ -2155,7 +2155,8 @@ static unsigned int __get_next_segno(struct f2fs_sb_info *sbi, int type) + if (sbi->segs_per_sec != 1) + return CURSEG_I(sbi, type)->segno; + +- if (type == CURSEG_HOT_DATA || IS_NODESEG(type)) ++ if (test_opt(sbi, NOHEAP) && ++ (type == CURSEG_HOT_DATA || IS_NODESEG(type))) + return 0; + + if (SIT_I(sbi)->last_victim[ALLOC_NEXT]) +diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c +index 8a5bde8b1444..e26a8c14fc6f 100644 +--- a/fs/hugetlbfs/inode.c ++++ b/fs/hugetlbfs/inode.c +@@ -148,10 +148,14 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma) + + /* + * page based offset in vm_pgoff could be sufficiently large to +- * overflow a (l)off_t when converted to byte offset. ++ * overflow a loff_t when converted to byte offset. This can ++ * only happen on architectures where sizeof(loff_t) == ++ * sizeof(unsigned long). So, only check in those instances. + */ +- if (vma->vm_pgoff & PGOFF_LOFFT_MAX) +- return -EINVAL; ++ if (sizeof(unsigned long) == sizeof(loff_t)) { ++ if (vma->vm_pgoff & PGOFF_LOFFT_MAX) ++ return -EINVAL; ++ } + + /* must be huge page aligned */ + if (vma->vm_pgoff & (~huge_page_mask(h) >> PAGE_SHIFT)) +diff --git a/fs/namei.c b/fs/namei.c +index ee19c4ef24b2..747fcb6f10c5 100644 +--- a/fs/namei.c ++++ b/fs/namei.c +@@ -222,9 +222,10 @@ getname_kernel(const char * filename) + if (len <= EMBEDDED_NAME_MAX) { + result->name = (char *)result->iname; + } else if (len <= PATH_MAX) { ++ const size_t size = offsetof(struct filename, iname[1]); + struct filename *tmp; + +- tmp = kmalloc(sizeof(*tmp), GFP_KERNEL); ++ tmp = kmalloc(size, GFP_KERNEL); + if (unlikely(!tmp)) { + __putname(result); + return ERR_PTR(-ENOMEM); +diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c +index effeeb4f556f..1aad5db515c7 100644 +--- a/fs/nfsd/nfs4proc.c ++++ b/fs/nfsd/nfs4proc.c +@@ -32,6 +32,7 @@ + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ ++#include <linux/fs_struct.h> + #include <linux/file.h> + #include <linux/falloc.h> + #include <linux/slab.h> +@@ -252,11 +253,13 @@ do_open_lookup(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, stru + * Note: create modes (UNCHECKED,GUARDED...) are the same + * in NFSv4 as in v3 except EXCLUSIVE4_1. + */ ++ current->fs->umask = open->op_umask; + status = do_nfsd_create(rqstp, current_fh, open->op_fname.data, + open->op_fname.len, &open->op_iattr, + *resfh, open->op_createmode, + (u32 *)open->op_verf.data, + &open->op_truncate, &open->op_created); ++ current->fs->umask = 0; + + if (!status && open->op_label.len) + nfsd4_security_inode_setsecctx(*resfh, &open->op_label, open->op_bmval); +@@ -603,6 +606,7 @@ nfsd4_create(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + if (status) + return status; + ++ current->fs->umask = create->cr_umask; + switch (create->cr_type) { + case NF4LNK: + status = nfsd_symlink(rqstp, &cstate->current_fh, +@@ -611,20 +615,22 @@ nfsd4_create(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + break; + + case NF4BLK: ++ status = nfserr_inval; + rdev = MKDEV(create->cr_specdata1, create->cr_specdata2); + if (MAJOR(rdev) != create->cr_specdata1 || + MINOR(rdev) != create->cr_specdata2) +- return nfserr_inval; ++ goto out_umask; + status = nfsd_create(rqstp, &cstate->current_fh, + create->cr_name, create->cr_namelen, + &create->cr_iattr, S_IFBLK, rdev, &resfh); + break; + + case NF4CHR: ++ status = nfserr_inval; + rdev = MKDEV(create->cr_specdata1, create->cr_specdata2); + if (MAJOR(rdev) != create->cr_specdata1 || + MINOR(rdev) != create->cr_specdata2) +- return nfserr_inval; ++ goto out_umask; + status = nfsd_create(rqstp, &cstate->current_fh, + create->cr_name, create->cr_namelen, + &create->cr_iattr,S_IFCHR, rdev, &resfh); +@@ -668,6 +674,8 @@ nfsd4_create(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, + fh_dup2(&cstate->current_fh, &resfh); + out: + fh_put(&resfh); ++out_umask: ++ current->fs->umask = 0; + return status; + } + +diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c +index 2c61c6b8ae09..df2b8849a63b 100644 +--- a/fs/nfsd/nfs4xdr.c ++++ b/fs/nfsd/nfs4xdr.c +@@ -33,7 +33,6 @@ + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +-#include <linux/fs_struct.h> + #include <linux/file.h> + #include <linux/slab.h> + #include <linux/namei.h> +@@ -683,7 +682,7 @@ nfsd4_decode_create(struct nfsd4_compoundargs *argp, struct nfsd4_create *create + + status = nfsd4_decode_fattr(argp, create->cr_bmval, &create->cr_iattr, + &create->cr_acl, &create->cr_label, +- ¤t->fs->umask); ++ &create->cr_umask); + if (status) + goto out; + +@@ -928,7 +927,6 @@ nfsd4_decode_open(struct nfsd4_compoundargs *argp, struct nfsd4_open *open) + case NFS4_OPEN_NOCREATE: + break; + case NFS4_OPEN_CREATE: +- current->fs->umask = 0; + READ_BUF(4); + open->op_createmode = be32_to_cpup(p++); + switch (open->op_createmode) { +@@ -936,7 +934,7 @@ nfsd4_decode_open(struct nfsd4_compoundargs *argp, struct nfsd4_open *open) + case NFS4_CREATE_GUARDED: + status = nfsd4_decode_fattr(argp, open->op_bmval, + &open->op_iattr, &open->op_acl, &open->op_label, +- ¤t->fs->umask); ++ &open->op_umask); + if (status) + goto out; + break; +@@ -951,7 +949,7 @@ nfsd4_decode_open(struct nfsd4_compoundargs *argp, struct nfsd4_open *open) + COPYMEM(open->op_verf.data, NFS4_VERIFIER_SIZE); + status = nfsd4_decode_fattr(argp, open->op_bmval, + &open->op_iattr, &open->op_acl, &open->op_label, +- ¤t->fs->umask); ++ &open->op_umask); + if (status) + goto out; + break; +diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h +index bc29511b6405..f47c392cbd57 100644 +--- a/fs/nfsd/xdr4.h ++++ b/fs/nfsd/xdr4.h +@@ -118,6 +118,7 @@ struct nfsd4_create { + } u; + u32 cr_bmval[3]; /* request */ + struct iattr cr_iattr; /* request */ ++ int cr_umask; /* request */ + struct nfsd4_change_info cr_cinfo; /* response */ + struct nfs4_acl *cr_acl; + struct xdr_netobj cr_label; +@@ -228,6 +229,7 @@ struct nfsd4_open { + u32 op_why_no_deleg; /* response - DELEG_NONE_EXT only */ + u32 op_create; /* request */ + u32 op_createmode; /* request */ ++ int op_umask; /* request */ + u32 op_bmval[3]; /* request */ + struct iattr op_iattr; /* UNCHECKED4, GUARDED4, EXCLUSIVE4_1 */ + nfs4_verifier op_verf __attribute__((aligned(32))); +diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c +index 94d2f8a8b779..0dbbfedef54c 100644 +--- a/fs/overlayfs/inode.c ++++ b/fs/overlayfs/inode.c +@@ -110,13 +110,10 @@ int ovl_getattr(const struct path *path, struct kstat *stat, + * that the upper hardlink is not broken. + */ + if (is_dir || lowerstat.nlink == 1 || +- ovl_test_flag(OVL_INDEX, d_inode(dentry))) ++ ovl_test_flag(OVL_INDEX, d_inode(dentry))) { + stat->ino = lowerstat.ino; +- +- if (samefs) +- WARN_ON_ONCE(stat->dev != lowerstat.dev); +- else + stat->dev = ovl_get_pseudo_dev(dentry); ++ } + } + if (samefs) { + /* +diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c +index ef3e7ea76296..dc917119d8a9 100644 +--- a/fs/overlayfs/namei.c ++++ b/fs/overlayfs/namei.c +@@ -55,6 +55,15 @@ static int ovl_check_redirect(struct dentry *dentry, struct ovl_lookup_data *d, + if (s == next) + goto invalid; + } ++ /* ++ * One of the ancestor path elements in an absolute path ++ * lookup in ovl_lookup_layer() could have been opaque and ++ * that will stop further lookup in lower layers (d->stop=true) ++ * But we have found an absolute redirect in decendant path ++ * element and that should force continue lookup in lower ++ * layers (reset d->stop). ++ */ ++ d->stop = false; + } else { + if (strchr(buf, '/') != NULL) + goto invalid; +diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h +index 95ccc1eef558..b619a190ff12 100644 +--- a/include/net/bluetooth/hci_core.h ++++ b/include/net/bluetooth/hci_core.h +@@ -895,7 +895,7 @@ struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, + u16 conn_timeout); + struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, + u8 dst_type, u8 sec_level, u16 conn_timeout, +- u8 role); ++ u8 role, bdaddr_t *direct_rpa); + struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, + u8 sec_level, u8 auth_type); + struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, +diff --git a/include/net/slhc_vj.h b/include/net/slhc_vj.h +index 8716d5942b65..8fcf8908a694 100644 +--- a/include/net/slhc_vj.h ++++ b/include/net/slhc_vj.h +@@ -127,6 +127,7 @@ typedef __u32 int32; + */ + struct cstate { + byte_t cs_this; /* connection id number (xmit) */ ++ bool initialized; /* true if initialized */ + struct cstate *next; /* next in ring (xmit) */ + struct iphdr cs_ip; /* ip/tcp hdr from most recent packet */ + struct tcphdr cs_tcp; +diff --git a/kernel/events/core.c b/kernel/events/core.c +index 385480a5aa45..e20da29c4a9b 100644 +--- a/kernel/events/core.c ++++ b/kernel/events/core.c +@@ -4112,6 +4112,9 @@ static void _free_event(struct perf_event *event) + if (event->ctx) + put_ctx(event->ctx); + ++ if (event->hw.target) ++ put_task_struct(event->hw.target); ++ + exclusive_event_destroy(event); + module_put(event->pmu->module); + +@@ -9456,6 +9459,7 @@ perf_event_alloc(struct perf_event_attr *attr, int cpu, + * and we cannot use the ctx information because we need the + * pmu before we get a ctx. + */ ++ get_task_struct(task); + event->hw.target = task; + } + +@@ -9571,6 +9575,8 @@ perf_event_alloc(struct perf_event_attr *attr, int cpu, + perf_detach_cgroup(event); + if (event->ns) + put_pid_ns(event->ns); ++ if (event->hw.target) ++ put_task_struct(event->hw.target); + kfree(event); + + return ERR_PTR(err); +diff --git a/lib/bitmap.c b/lib/bitmap.c +index d8f0c094b18e..96017c066319 100644 +--- a/lib/bitmap.c ++++ b/lib/bitmap.c +@@ -607,7 +607,7 @@ static int __bitmap_parselist(const char *buf, unsigned int buflen, + /* if no digit is after '-', it's wrong*/ + if (at_start && in_range) + return -EINVAL; +- if (!(a <= b) || !(used_size <= group_size)) ++ if (!(a <= b) || group_size == 0 || !(used_size <= group_size)) + return -EINVAL; + if (b >= nmaskbits) + return -ERANGE; +diff --git a/lib/test_bitmap.c b/lib/test_bitmap.c +index aa1f2669bdd5..0ddf293cfac3 100644 +--- a/lib/test_bitmap.c ++++ b/lib/test_bitmap.c +@@ -218,6 +218,10 @@ static const struct test_bitmap_parselist parselist_tests[] __initconst = { + {-EINVAL, "-1", NULL, 8, 0}, + {-EINVAL, "-0", NULL, 8, 0}, + {-EINVAL, "10-1", NULL, 8, 0}, ++ {-EINVAL, "0-31:", NULL, 8, 0}, ++ {-EINVAL, "0-31:0", NULL, 8, 0}, ++ {-EINVAL, "0-31:0/0", NULL, 8, 0}, ++ {-EINVAL, "0-31:1/0", NULL, 8, 0}, + {-EINVAL, "0-31:10/1", NULL, 8, 0}, + }; + +diff --git a/mm/gup.c b/mm/gup.c +index e0d82b6706d7..8fc23a60487d 100644 +--- a/mm/gup.c ++++ b/mm/gup.c +@@ -1816,9 +1816,12 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write, + len = (unsigned long) nr_pages << PAGE_SHIFT; + end = start + len; + ++ if (nr_pages <= 0) ++ return 0; ++ + if (unlikely(!access_ok(write ? VERIFY_WRITE : VERIFY_READ, + (void __user *)start, len))) +- return 0; ++ return -EFAULT; + + if (gup_fast_permitted(start, nr_pages, write)) { + local_irq_disable(); +diff --git a/mm/gup_benchmark.c b/mm/gup_benchmark.c +index 5c8e2abeaa15..0f44759486e2 100644 +--- a/mm/gup_benchmark.c ++++ b/mm/gup_benchmark.c +@@ -23,7 +23,7 @@ static int __gup_benchmark_ioctl(unsigned int cmd, + struct page **pages; + + nr_pages = gup->size / PAGE_SIZE; +- pages = kvmalloc(sizeof(void *) * nr_pages, GFP_KERNEL); ++ pages = kvzalloc(sizeof(void *) * nr_pages, GFP_KERNEL); + if (!pages) + return -ENOMEM; + +@@ -41,6 +41,8 @@ static int __gup_benchmark_ioctl(unsigned int cmd, + } + + nr = get_user_pages_fast(addr, nr, gup->flags & 1, pages + i); ++ if (nr <= 0) ++ break; + i += nr; + } + end_time = ktime_get(); +diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c +index a9682534c377..45ff5dc124cc 100644 +--- a/net/bluetooth/hci_conn.c ++++ b/net/bluetooth/hci_conn.c +@@ -749,18 +749,31 @@ static bool conn_use_rpa(struct hci_conn *conn) + } + + static void hci_req_add_le_create_conn(struct hci_request *req, +- struct hci_conn *conn) ++ struct hci_conn *conn, ++ bdaddr_t *direct_rpa) + { + struct hci_cp_le_create_conn cp; + struct hci_dev *hdev = conn->hdev; + u8 own_addr_type; + +- /* Update random address, but set require_privacy to false so +- * that we never connect with an non-resolvable address. ++ /* If direct address was provided we use it instead of current ++ * address. + */ +- if (hci_update_random_address(req, false, conn_use_rpa(conn), +- &own_addr_type)) +- return; ++ if (direct_rpa) { ++ if (bacmp(&req->hdev->random_addr, direct_rpa)) ++ hci_req_add(req, HCI_OP_LE_SET_RANDOM_ADDR, 6, ++ direct_rpa); ++ ++ /* direct address is always RPA */ ++ own_addr_type = ADDR_LE_DEV_RANDOM; ++ } else { ++ /* Update random address, but set require_privacy to false so ++ * that we never connect with an non-resolvable address. ++ */ ++ if (hci_update_random_address(req, false, conn_use_rpa(conn), ++ &own_addr_type)) ++ return; ++ } + + memset(&cp, 0, sizeof(cp)); + +@@ -825,7 +838,7 @@ static void hci_req_directed_advertising(struct hci_request *req, + + struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, + u8 dst_type, u8 sec_level, u16 conn_timeout, +- u8 role) ++ u8 role, bdaddr_t *direct_rpa) + { + struct hci_conn_params *params; + struct hci_conn *conn; +@@ -940,7 +953,7 @@ struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, + hci_dev_set_flag(hdev, HCI_LE_SCAN_INTERRUPTED); + } + +- hci_req_add_le_create_conn(&req, conn); ++ hci_req_add_le_create_conn(&req, conn, direct_rpa); + + create_conn: + err = hci_req_run(&req, create_le_conn_complete); +diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c +index cd3bbb766c24..139707cd9d35 100644 +--- a/net/bluetooth/hci_event.c ++++ b/net/bluetooth/hci_event.c +@@ -4648,7 +4648,8 @@ static void hci_le_conn_update_complete_evt(struct hci_dev *hdev, + /* This function requires the caller holds hdev->lock */ + static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev, + bdaddr_t *addr, +- u8 addr_type, u8 adv_type) ++ u8 addr_type, u8 adv_type, ++ bdaddr_t *direct_rpa) + { + struct hci_conn *conn; + struct hci_conn_params *params; +@@ -4699,7 +4700,8 @@ static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev, + } + + conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW, +- HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER); ++ HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER, ++ direct_rpa); + if (!IS_ERR(conn)) { + /* If HCI_AUTO_CONN_EXPLICIT is set, conn is already owned + * by higher layer that tried to connect, if no then +@@ -4808,8 +4810,13 @@ static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr, + bdaddr_type = irk->addr_type; + } + +- /* Check if we have been requested to connect to this device */ +- conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, type); ++ /* Check if we have been requested to connect to this device. ++ * ++ * direct_addr is set only for directed advertising reports (it is NULL ++ * for advertising reports) and is already verified to be RPA above. ++ */ ++ conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, type, ++ direct_addr); + if (conn && type == LE_ADV_IND) { + /* Store report for later inclusion by + * mgmt_device_connected +diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c +index fc6615d59165..9b7907ebfa01 100644 +--- a/net/bluetooth/l2cap_core.c ++++ b/net/bluetooth/l2cap_core.c +@@ -7156,7 +7156,7 @@ int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid, + hcon = hci_connect_le(hdev, dst, dst_type, + chan->sec_level, + HCI_LE_CONN_TIMEOUT, +- HCI_ROLE_SLAVE); ++ HCI_ROLE_SLAVE, NULL); + else + hcon = hci_connect_le_scan(hdev, dst, dst_type, + chan->sec_level, +diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c +index 01bbbfe2c2a7..3686434d134b 100644 +--- a/net/ipv4/ip_gre.c ++++ b/net/ipv4/ip_gre.c +@@ -796,8 +796,14 @@ static void ipgre_link_update(struct net_device *dev, bool set_mtu) + tunnel->encap.type == TUNNEL_ENCAP_NONE) { + dev->features |= NETIF_F_GSO_SOFTWARE; + dev->hw_features |= NETIF_F_GSO_SOFTWARE; ++ } else { ++ dev->features &= ~NETIF_F_GSO_SOFTWARE; ++ dev->hw_features &= ~NETIF_F_GSO_SOFTWARE; + } + dev->features |= NETIF_F_LLTX; ++ } else { ++ dev->hw_features &= ~NETIF_F_GSO_SOFTWARE; ++ dev->features &= ~(NETIF_F_LLTX | NETIF_F_GSO_SOFTWARE); + } + } + +diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c +index 083fa2ffee15..bf525f7e1e72 100644 +--- a/net/l2tp/l2tp_core.c ++++ b/net/l2tp/l2tp_core.c +@@ -335,26 +335,6 @@ int l2tp_session_register(struct l2tp_session *session, + } + EXPORT_SYMBOL_GPL(l2tp_session_register); + +-/* Lookup a tunnel by id +- */ +-struct l2tp_tunnel *l2tp_tunnel_find(const struct net *net, u32 tunnel_id) +-{ +- struct l2tp_tunnel *tunnel; +- struct l2tp_net *pn = l2tp_pernet(net); +- +- rcu_read_lock_bh(); +- list_for_each_entry_rcu(tunnel, &pn->l2tp_tunnel_list, list) { +- if (tunnel->tunnel_id == tunnel_id) { +- rcu_read_unlock_bh(); +- return tunnel; +- } +- } +- rcu_read_unlock_bh(); +- +- return NULL; +-} +-EXPORT_SYMBOL_GPL(l2tp_tunnel_find); +- + struct l2tp_tunnel *l2tp_tunnel_find_nth(const struct net *net, int nth) + { + struct l2tp_net *pn = l2tp_pernet(net); +@@ -1445,74 +1425,11 @@ int l2tp_tunnel_create(struct net *net, int fd, int version, u32 tunnel_id, u32 + { + struct l2tp_tunnel *tunnel = NULL; + int err; +- struct socket *sock = NULL; +- struct sock *sk = NULL; +- struct l2tp_net *pn; + enum l2tp_encap_type encap = L2TP_ENCAPTYPE_UDP; + +- /* Get the tunnel socket from the fd, which was opened by +- * the userspace L2TP daemon. If not specified, create a +- * kernel socket. +- */ +- if (fd < 0) { +- err = l2tp_tunnel_sock_create(net, tunnel_id, peer_tunnel_id, +- cfg, &sock); +- if (err < 0) +- goto err; +- } else { +- sock = sockfd_lookup(fd, &err); +- if (!sock) { +- pr_err("tunl %u: sockfd_lookup(fd=%d) returned %d\n", +- tunnel_id, fd, err); +- err = -EBADF; +- goto err; +- } +- +- /* Reject namespace mismatches */ +- if (!net_eq(sock_net(sock->sk), net)) { +- pr_err("tunl %u: netns mismatch\n", tunnel_id); +- err = -EINVAL; +- goto err; +- } +- } +- +- sk = sock->sk; +- + if (cfg != NULL) + encap = cfg->encap; + +- /* Quick sanity checks */ +- err = -EPROTONOSUPPORT; +- if (sk->sk_type != SOCK_DGRAM) { +- pr_debug("tunl %hu: fd %d wrong socket type\n", +- tunnel_id, fd); +- goto err; +- } +- switch (encap) { +- case L2TP_ENCAPTYPE_UDP: +- if (sk->sk_protocol != IPPROTO_UDP) { +- pr_err("tunl %hu: fd %d wrong protocol, got %d, expected %d\n", +- tunnel_id, fd, sk->sk_protocol, IPPROTO_UDP); +- goto err; +- } +- break; +- case L2TP_ENCAPTYPE_IP: +- if (sk->sk_protocol != IPPROTO_L2TP) { +- pr_err("tunl %hu: fd %d wrong protocol, got %d, expected %d\n", +- tunnel_id, fd, sk->sk_protocol, IPPROTO_L2TP); +- goto err; +- } +- break; +- } +- +- /* Check if this socket has already been prepped */ +- tunnel = l2tp_tunnel(sk); +- if (tunnel != NULL) { +- /* This socket has already been prepped */ +- err = -EBUSY; +- goto err; +- } +- + tunnel = kzalloc(sizeof(struct l2tp_tunnel), GFP_KERNEL); + if (tunnel == NULL) { + err = -ENOMEM; +@@ -1529,72 +1446,126 @@ int l2tp_tunnel_create(struct net *net, int fd, int version, u32 tunnel_id, u32 + rwlock_init(&tunnel->hlist_lock); + tunnel->acpt_newsess = true; + +- /* The net we belong to */ +- tunnel->l2tp_net = net; +- pn = l2tp_pernet(net); +- + if (cfg != NULL) + tunnel->debug = cfg->debug; + +- /* Mark socket as an encapsulation socket. See net/ipv4/udp.c */ + tunnel->encap = encap; +- if (encap == L2TP_ENCAPTYPE_UDP) { +- struct udp_tunnel_sock_cfg udp_cfg = { }; +- +- udp_cfg.sk_user_data = tunnel; +- udp_cfg.encap_type = UDP_ENCAP_L2TPINUDP; +- udp_cfg.encap_rcv = l2tp_udp_encap_recv; +- udp_cfg.encap_destroy = l2tp_udp_encap_destroy; +- +- setup_udp_tunnel_sock(net, sock, &udp_cfg); +- } else { +- sk->sk_user_data = tunnel; +- } + +- /* Bump the reference count. The tunnel context is deleted +- * only when this drops to zero. A reference is also held on +- * the tunnel socket to ensure that it is not released while +- * the tunnel is extant. Must be done before sk_destruct is +- * set. +- */ + refcount_set(&tunnel->ref_count, 1); +- sock_hold(sk); +- tunnel->sock = sk; + tunnel->fd = fd; + +- /* Hook on the tunnel socket destructor so that we can cleanup +- * if the tunnel socket goes away. +- */ +- tunnel->old_sk_destruct = sk->sk_destruct; +- sk->sk_destruct = &l2tp_tunnel_destruct; +- lockdep_set_class_and_name(&sk->sk_lock.slock, &l2tp_socket_class, "l2tp_sock"); +- +- sk->sk_allocation = GFP_ATOMIC; +- + /* Init delete workqueue struct */ + INIT_WORK(&tunnel->del_work, l2tp_tunnel_del_work); + +- /* Add tunnel to our list */ + INIT_LIST_HEAD(&tunnel->list); +- spin_lock_bh(&pn->l2tp_tunnel_list_lock); +- list_add_rcu(&tunnel->list, &pn->l2tp_tunnel_list); +- spin_unlock_bh(&pn->l2tp_tunnel_list_lock); + + err = 0; + err: + if (tunnelp) + *tunnelp = tunnel; + +- /* If tunnel's socket was created by the kernel, it doesn't +- * have a file. +- */ +- if (sock && sock->file) +- sockfd_put(sock); +- + return err; + } + EXPORT_SYMBOL_GPL(l2tp_tunnel_create); + ++static int l2tp_validate_socket(const struct sock *sk, const struct net *net, ++ enum l2tp_encap_type encap) ++{ ++ if (!net_eq(sock_net(sk), net)) ++ return -EINVAL; ++ ++ if (sk->sk_type != SOCK_DGRAM) ++ return -EPROTONOSUPPORT; ++ ++ if ((encap == L2TP_ENCAPTYPE_UDP && sk->sk_protocol != IPPROTO_UDP) || ++ (encap == L2TP_ENCAPTYPE_IP && sk->sk_protocol != IPPROTO_L2TP)) ++ return -EPROTONOSUPPORT; ++ ++ if (sk->sk_user_data) ++ return -EBUSY; ++ ++ return 0; ++} ++ ++int l2tp_tunnel_register(struct l2tp_tunnel *tunnel, struct net *net, ++ struct l2tp_tunnel_cfg *cfg) ++{ ++ struct l2tp_tunnel *tunnel_walk; ++ struct l2tp_net *pn; ++ struct socket *sock; ++ struct sock *sk; ++ int ret; ++ ++ if (tunnel->fd < 0) { ++ ret = l2tp_tunnel_sock_create(net, tunnel->tunnel_id, ++ tunnel->peer_tunnel_id, cfg, ++ &sock); ++ if (ret < 0) ++ goto err; ++ } else { ++ sock = sockfd_lookup(tunnel->fd, &ret); ++ if (!sock) ++ goto err; ++ ++ ret = l2tp_validate_socket(sock->sk, net, tunnel->encap); ++ if (ret < 0) ++ goto err_sock; ++ } ++ ++ sk = sock->sk; ++ ++ sock_hold(sk); ++ tunnel->sock = sk; ++ tunnel->l2tp_net = net; ++ ++ pn = l2tp_pernet(net); ++ ++ spin_lock_bh(&pn->l2tp_tunnel_list_lock); ++ list_for_each_entry(tunnel_walk, &pn->l2tp_tunnel_list, list) { ++ if (tunnel_walk->tunnel_id == tunnel->tunnel_id) { ++ spin_unlock_bh(&pn->l2tp_tunnel_list_lock); ++ ++ ret = -EEXIST; ++ goto err_sock; ++ } ++ } ++ list_add_rcu(&tunnel->list, &pn->l2tp_tunnel_list); ++ spin_unlock_bh(&pn->l2tp_tunnel_list_lock); ++ ++ if (tunnel->encap == L2TP_ENCAPTYPE_UDP) { ++ struct udp_tunnel_sock_cfg udp_cfg = { ++ .sk_user_data = tunnel, ++ .encap_type = UDP_ENCAP_L2TPINUDP, ++ .encap_rcv = l2tp_udp_encap_recv, ++ .encap_destroy = l2tp_udp_encap_destroy, ++ }; ++ ++ setup_udp_tunnel_sock(net, sock, &udp_cfg); ++ } else { ++ sk->sk_user_data = tunnel; ++ } ++ ++ tunnel->old_sk_destruct = sk->sk_destruct; ++ sk->sk_destruct = &l2tp_tunnel_destruct; ++ lockdep_set_class_and_name(&sk->sk_lock.slock, &l2tp_socket_class, ++ "l2tp_sock"); ++ sk->sk_allocation = GFP_ATOMIC; ++ ++ if (tunnel->fd >= 0) ++ sockfd_put(sock); ++ ++ return 0; ++ ++err_sock: ++ if (tunnel->fd < 0) ++ sock_release(sock); ++ else ++ sockfd_put(sock); ++err: ++ return ret; ++} ++EXPORT_SYMBOL_GPL(l2tp_tunnel_register); ++ + /* This function is used by the netlink TUNNEL_DELETE command. + */ + void l2tp_tunnel_delete(struct l2tp_tunnel *tunnel) +diff --git a/net/l2tp/l2tp_core.h b/net/l2tp/l2tp_core.h +index 3fddfb207113..13e50ac774db 100644 +--- a/net/l2tp/l2tp_core.h ++++ b/net/l2tp/l2tp_core.h +@@ -225,12 +225,14 @@ struct l2tp_session *l2tp_session_get(const struct net *net, + struct l2tp_session *l2tp_session_get_nth(struct l2tp_tunnel *tunnel, int nth); + struct l2tp_session *l2tp_session_get_by_ifname(const struct net *net, + const char *ifname); +-struct l2tp_tunnel *l2tp_tunnel_find(const struct net *net, u32 tunnel_id); + struct l2tp_tunnel *l2tp_tunnel_find_nth(const struct net *net, int nth); + + int l2tp_tunnel_create(struct net *net, int fd, int version, u32 tunnel_id, + u32 peer_tunnel_id, struct l2tp_tunnel_cfg *cfg, + struct l2tp_tunnel **tunnelp); ++int l2tp_tunnel_register(struct l2tp_tunnel *tunnel, struct net *net, ++ struct l2tp_tunnel_cfg *cfg); ++ + void l2tp_tunnel_closeall(struct l2tp_tunnel *tunnel); + void l2tp_tunnel_delete(struct l2tp_tunnel *tunnel); + struct l2tp_session *l2tp_session_create(int priv_size, +diff --git a/net/l2tp/l2tp_netlink.c b/net/l2tp/l2tp_netlink.c +index 7e9c50125556..c56cb2c17d88 100644 +--- a/net/l2tp/l2tp_netlink.c ++++ b/net/l2tp/l2tp_netlink.c +@@ -236,12 +236,6 @@ static int l2tp_nl_cmd_tunnel_create(struct sk_buff *skb, struct genl_info *info + if (info->attrs[L2TP_ATTR_DEBUG]) + cfg.debug = nla_get_u32(info->attrs[L2TP_ATTR_DEBUG]); + +- tunnel = l2tp_tunnel_find(net, tunnel_id); +- if (tunnel != NULL) { +- ret = -EEXIST; +- goto out; +- } +- + ret = -EINVAL; + switch (cfg.encap) { + case L2TP_ENCAPTYPE_UDP: +@@ -251,9 +245,19 @@ static int l2tp_nl_cmd_tunnel_create(struct sk_buff *skb, struct genl_info *info + break; + } + +- if (ret >= 0) +- ret = l2tp_tunnel_notify(&l2tp_nl_family, info, +- tunnel, L2TP_CMD_TUNNEL_CREATE); ++ if (ret < 0) ++ goto out; ++ ++ l2tp_tunnel_inc_refcount(tunnel); ++ ret = l2tp_tunnel_register(tunnel, net, &cfg); ++ if (ret < 0) { ++ kfree(tunnel); ++ goto out; ++ } ++ ret = l2tp_tunnel_notify(&l2tp_nl_family, info, tunnel, ++ L2TP_CMD_TUNNEL_CREATE); ++ l2tp_tunnel_dec_refcount(tunnel); ++ + out: + return ret; + } +diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c +index 5ea718609fe8..92ff5bb4e3d5 100644 +--- a/net/l2tp/l2tp_ppp.c ++++ b/net/l2tp/l2tp_ppp.c +@@ -698,6 +698,15 @@ static int pppol2tp_connect(struct socket *sock, struct sockaddr *uservaddr, + error = l2tp_tunnel_create(sock_net(sk), fd, ver, tunnel_id, peer_tunnel_id, &tcfg, &tunnel); + if (error < 0) + goto end; ++ ++ l2tp_tunnel_inc_refcount(tunnel); ++ error = l2tp_tunnel_register(tunnel, sock_net(sk), ++ &tcfg); ++ if (error < 0) { ++ kfree(tunnel); ++ goto end; ++ } ++ drop_tunnel = true; + } + } else { + /* Error if we can't find the tunnel */ +diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c +index cf84f7b37cd9..9d2ce1459cec 100644 +--- a/net/netfilter/ipset/ip_set_core.c ++++ b/net/netfilter/ipset/ip_set_core.c +@@ -2055,6 +2055,7 @@ ip_set_net_exit(struct net *net) + + inst->is_deleted = true; /* flag for ip_set_nfnl_put */ + ++ nfnl_lock(NFNL_SUBSYS_IPSET); + for (i = 0; i < inst->ip_set_max; i++) { + set = ip_set(inst, i); + if (set) { +@@ -2062,6 +2063,7 @@ ip_set_net_exit(struct net *net) + ip_set_destroy_set(set); + } + } ++ nfnl_unlock(NFNL_SUBSYS_IPSET); + kfree(rcu_dereference_protected(inst->ip_set_list, 1)); + } + +diff --git a/net/rds/send.c b/net/rds/send.c +index f72466c63f0c..23f2d81e7967 100644 +--- a/net/rds/send.c ++++ b/net/rds/send.c +@@ -1,5 +1,5 @@ + /* +- * Copyright (c) 2006 Oracle. All rights reserved. ++ * Copyright (c) 2006, 2018 Oracle and/or its affiliates. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU +@@ -986,10 +986,15 @@ static int rds_send_mprds_hash(struct rds_sock *rs, struct rds_connection *conn) + if (conn->c_npaths == 0 && hash != 0) { + rds_send_ping(conn, 0); + +- if (conn->c_npaths == 0) { +- wait_event_interruptible(conn->c_hs_waitq, +- (conn->c_npaths != 0)); +- } ++ /* The underlying connection is not up yet. Need to wait ++ * until it is up to be sure that the non-zero c_path can be ++ * used. But if we are interrupted, we have to use the zero ++ * c_path in case the connection ends up being non-MP capable. ++ */ ++ if (conn->c_npaths == 0) ++ if (wait_event_interruptible(conn->c_hs_waitq, ++ conn->c_npaths != 0)) ++ hash = 0; + if (conn->c_npaths == 1) + hash = 0; + } +diff --git a/net/sunrpc/auth_gss/gss_krb5_crypto.c b/net/sunrpc/auth_gss/gss_krb5_crypto.c +index 12649c9fedab..8654494b4d0a 100644 +--- a/net/sunrpc/auth_gss/gss_krb5_crypto.c ++++ b/net/sunrpc/auth_gss/gss_krb5_crypto.c +@@ -237,9 +237,6 @@ make_checksum_hmac_md5(struct krb5_ctx *kctx, char *header, int hdrlen, + + ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP, NULL, NULL); + +- err = crypto_ahash_init(req); +- if (err) +- goto out; + err = crypto_ahash_setkey(hmac_md5, cksumkey, kctx->gk5e->keylength); + if (err) + goto out; +diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c +index d4fa04d91439..a23b0ca19fd0 100644 +--- a/security/apparmor/apparmorfs.c ++++ b/security/apparmor/apparmorfs.c +@@ -1189,9 +1189,7 @@ static int seq_ns_level_show(struct seq_file *seq, void *v) + static int seq_ns_name_show(struct seq_file *seq, void *v) + { + struct aa_label *label = begin_current_label_crit_section(); +- +- seq_printf(seq, "%s\n", aa_ns_name(labels_ns(label), +- labels_ns(label), true)); ++ seq_printf(seq, "%s\n", labels_ns(label)->base.name); + end_current_label_crit_section(label); + + return 0; +diff --git a/security/apparmor/include/audit.h b/security/apparmor/include/audit.h +index 4ac095118717..2ebc00a579fd 100644 +--- a/security/apparmor/include/audit.h ++++ b/security/apparmor/include/audit.h +@@ -126,6 +126,10 @@ struct apparmor_audit_data { + const char *target; + kuid_t ouid; + } fs; ++ struct { ++ int rlim; ++ unsigned long max; ++ } rlim; + int signal; + }; + }; +@@ -134,10 +138,6 @@ struct apparmor_audit_data { + const char *ns; + long pos; + } iface; +- struct { +- int rlim; +- unsigned long max; +- } rlim; + struct { + const char *src_name; + const char *type; +diff --git a/security/apparmor/include/sig_names.h b/security/apparmor/include/sig_names.h +index 92e62fe95292..5ca47c50dfa7 100644 +--- a/security/apparmor/include/sig_names.h ++++ b/security/apparmor/include/sig_names.h +@@ -2,6 +2,8 @@ + + #define SIGUNKNOWN 0 + #define MAXMAPPED_SIG 35 ++#define MAXMAPPED_SIGNAME (MAXMAPPED_SIG + 1) ++ + /* provide a mapping of arch signal to internal signal # for mediation + * those that are always an alias SIGCLD for SIGCLHD and SIGPOLL for SIGIO + * map to the same entry those that may/or may not get a separate entry +@@ -56,7 +58,7 @@ static const int sig_map[MAXMAPPED_SIG] = { + }; + + /* this table is ordered post sig_map[sig] mapping */ +-static const char *const sig_names[MAXMAPPED_SIG + 1] = { ++static const char *const sig_names[MAXMAPPED_SIGNAME] = { + "unknown", + "hup", + "int", +diff --git a/security/apparmor/ipc.c b/security/apparmor/ipc.c +index b40678f3c1d5..586facd35f7c 100644 +--- a/security/apparmor/ipc.c ++++ b/security/apparmor/ipc.c +@@ -174,7 +174,7 @@ static void audit_signal_cb(struct audit_buffer *ab, void *va) + audit_signal_mask(ab, aad(sa)->denied); + } + } +- if (aad(sa)->signal < MAXMAPPED_SIG) ++ if (aad(sa)->signal < MAXMAPPED_SIGNAME) + audit_log_format(ab, " signal=%s", sig_names[aad(sa)->signal]); + else + audit_log_format(ab, " signal=rtmin+%d", |