diff --git a/Makefile b/Makefile index 485afde0f1f1..7f561ef954f2 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 4 PATCHLEVEL = 14 -SUBLEVEL = 97 +SUBLEVEL = 98 EXTRAVERSION = NAME = Petit Gorille
diff --git a/arch/arm/mach-cns3xxx/pcie.c b/arch/arm/mach-cns3xxx/pcie.c index 318394ed5c7a..5e11ad3164e0 100644 --- a/arch/arm/mach-cns3xxx/pcie.c +++ b/arch/arm/mach-cns3xxx/pcie.c @@ -83,7 +83,7 @@ static void __iomem *cns3xxx_pci_map_bus(struct pci_bus *bus, } else /* remote PCI bus */ base = cnspci->cfg1_regs + ((busno & 0xf) << 20);
- return base + (where & 0xffc) + (devfn << 12); + return base + where + (devfn << 12); }
static int cns3xxx_pci_read_config(struct pci_bus *bus, unsigned int devfn, diff --git a/arch/arm64/kernel/hibernate.c b/arch/arm64/kernel/hibernate.c index a028cc95afe1..bb444c693796 100644 --- a/arch/arm64/kernel/hibernate.c +++ b/arch/arm64/kernel/hibernate.c @@ -299,8 +299,10 @@ int swsusp_arch_suspend(void) dcache_clean_range(__idmap_text_start, __idmap_text_end);
/* Clean kvm setup code to PoC? */ - if (el2_reset_needed()) + if (el2_reset_needed()) { dcache_clean_range(__hyp_idmap_text_start, __hyp_idmap_text_end); + dcache_clean_range(__hyp_text_start, __hyp_text_end); + }
/* make the crash dump kernel image protected again */ crash_post_resume(); diff --git a/arch/arm64/kernel/hyp-stub.S b/arch/arm64/kernel/hyp-stub.S index e1261fbaa374..17f325ba831e 100644 --- a/arch/arm64/kernel/hyp-stub.S +++ b/arch/arm64/kernel/hyp-stub.S @@ -28,6 +28,8 @@ #include <asm/virt.h>
.text + .pushsection .hyp.text, "ax" + .align 11
ENTRY(__hyp_stub_vectors) diff --git a/arch/arm64/kernel/kaslr.c b/arch/arm64/kernel/kaslr.c index 2bda224e8e71..ae7278286094 100644 --- a/arch/arm64/kernel/kaslr.c +++ b/arch/arm64/kernel/kaslr.c @@ -88,6 +88,7 @@ u64 __init kaslr_early_init(u64 dt_phys) * we end up running with module randomization disabled. */ module_alloc_base = (u64)_etext - MODULES_VSIZE; + __flush_dcache_area(&module_alloc_base, sizeof(module_alloc_base));
/* * Try to map the FDT early. If this fails, we simply bail, diff --git a/drivers/base/core.c b/drivers/base/core.c index 3f463a61f8cf..fc5bbb2519fe 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -1571,6 +1571,8 @@ static void cleanup_glue_dir(struct device *dev, struct kobject *glue_dir) return;
mutex_lock(&gdp_mutex); + if (!kobject_has_children(glue_dir)) + kobject_del(glue_dir); kobject_put(glue_dir); mutex_unlock(&gdp_mutex); } diff --git a/drivers/gpio/gpio-altera-a10sr.c b/drivers/gpio/gpio-altera-a10sr.c index 6b11f1314248..7f9e0304b510 100644 --- a/drivers/gpio/gpio-altera-a10sr.c +++ b/drivers/gpio/gpio-altera-a10sr.c @@ -66,8 +66,10 @@ static int altr_a10sr_gpio_direction_input(struct gpio_chip *gc, static int altr_a10sr_gpio_direction_output(struct gpio_chip *gc, unsigned int nr, int value) { - if (nr <= (ALTR_A10SR_OUT_VALID_RANGE_HI - ALTR_A10SR_LED_VALID_SHIFT)) + if (nr <= (ALTR_A10SR_OUT_VALID_RANGE_HI - ALTR_A10SR_LED_VALID_SHIFT)) { + altr_a10sr_gpio_set(gc, nr, value); return 0; + } return -EINVAL; }
diff --git a/drivers/gpio/gpio-pcf857x.c b/drivers/gpio/gpio-pcf857x.c index a4fd78b9c0e4..e94c34920241 100644 --- a/drivers/gpio/gpio-pcf857x.c +++ b/drivers/gpio/gpio-pcf857x.c @@ -84,6 +84,7 @@ MODULE_DEVICE_TABLE(of, pcf857x_of_table); */ struct pcf857x { struct gpio_chip chip; + struct irq_chip irqchip; struct i2c_client *client; struct mutex lock; /* protect 'out' */ unsigned out; /* software latch */ @@ -252,18 +253,6 @@ static void pcf857x_irq_bus_sync_unlock(struct irq_data *data) mutex_unlock(&gpio->lock); }
-static struct irq_chip pcf857x_irq_chip = { - .name = "pcf857x", - .irq_enable = pcf857x_irq_enable, - .irq_disable = pcf857x_irq_disable, - .irq_ack = noop, - .irq_mask = noop, - .irq_unmask = noop, - .irq_set_wake = pcf857x_irq_set_wake, - .irq_bus_lock = pcf857x_irq_bus_lock, - .irq_bus_sync_unlock = pcf857x_irq_bus_sync_unlock, -}; - /*-------------------------------------------------------------------------*/
static int pcf857x_probe(struct i2c_client *client, @@ -376,8 +365,17 @@ static int pcf857x_probe(struct i2c_client *client,
/* Enable irqchip if we have an interrupt */ if (client->irq) { + gpio->irqchip.name = "pcf857x", + gpio->irqchip.irq_enable = pcf857x_irq_enable, + gpio->irqchip.irq_disable = pcf857x_irq_disable, + gpio->irqchip.irq_ack = noop, + gpio->irqchip.irq_mask = noop, + gpio->irqchip.irq_unmask = noop, + gpio->irqchip.irq_set_wake = pcf857x_irq_set_wake, + gpio->irqchip.irq_bus_lock = pcf857x_irq_bus_lock, + gpio->irqchip.irq_bus_sync_unlock = pcf857x_irq_bus_sync_unlock, status = gpiochip_irqchip_add_nested(&gpio->chip, - &pcf857x_irq_chip, + &gpio->irqchip, 0, handle_level_irq, IRQ_TYPE_NONE); if (status) { @@ -392,7 +390,7 @@ static int pcf857x_probe(struct i2c_client *client, if (status) goto fail;
- gpiochip_set_nested_irqchip(&gpio->chip, &pcf857x_irq_chip, + gpiochip_set_nested_irqchip(&gpio->chip, &gpio->irqchip, client->irq); gpio->irq_parent = client->irq; } diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c index 9abc5a9c47a0..76861a8b5c1e 100644 --- a/drivers/infiniband/hw/hfi1/file_ops.c +++ b/drivers/infiniband/hw/hfi1/file_ops.c @@ -605,7 +605,7 @@ static int hfi1_file_mmap(struct file *fp, struct vm_area_struct *vma) vmf = 1; break; case STATUS: - if (flags & (unsigned long)(VM_WRITE | VM_EXEC)) { + if (flags & VM_WRITE) { ret = -EPERM; goto done; } diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 34006354d2eb..802ba7b16e09 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -5210,7 +5210,7 @@ static void intel_iommu_put_resv_regions(struct device *dev, struct iommu_resv_region *entry, *next;
list_for_each_entry_safe(entry, next, head, list) { - if (entry->type == IOMMU_RESV_RESERVED) + if (entry->type == IOMMU_RESV_MSI) kfree(entry); } } diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c index 0d535b40cb3b..dcef761ab242 100644 --- a/drivers/md/raid5-cache.c +++ b/drivers/md/raid5-cache.c @@ -1942,12 +1942,14 @@ r5l_recovery_replay_one_stripe(struct r5conf *conf, }
static struct stripe_head * -r5c_recovery_alloc_stripe(struct r5conf *conf, - sector_t stripe_sect) +r5c_recovery_alloc_stripe( + struct r5conf *conf, + sector_t stripe_sect, + int noblock) { struct stripe_head *sh;
- sh = raid5_get_active_stripe(conf, stripe_sect, 0, 1, 0); + sh = raid5_get_active_stripe(conf, stripe_sect, 0, noblock, 0); if (!sh) return NULL; /* no more stripe available */
@@ -2157,7 +2159,7 @@ r5c_recovery_analyze_meta_block(struct r5l_log *log, stripe_sect);
if (!sh) { - sh = r5c_recovery_alloc_stripe(conf, stripe_sect); + sh = r5c_recovery_alloc_stripe(conf, stripe_sect, 1); /* * cannot get stripe from raid5_get_active_stripe * try replay some stripes @@ -2166,20 +2168,29 @@ r5c_recovery_analyze_meta_block(struct r5l_log *log, r5c_recovery_replay_stripes( cached_stripe_list, ctx); sh = r5c_recovery_alloc_stripe( - conf, stripe_sect); + conf, stripe_sect, 1); } if (!sh) { + int new_size = conf->min_nr_stripes * 2; pr_debug("md/raid:%s: Increasing stripe cache size to %d to recovery data on journal.\n", mdname(mddev), - conf->min_nr_stripes * 2); - raid5_set_cache_size(mddev, - conf->min_nr_stripes * 2); - sh = r5c_recovery_alloc_stripe(conf, - stripe_sect); + new_size); + ret = raid5_set_cache_size(mddev, new_size); + if (conf->min_nr_stripes <= new_size / 2) { + pr_err("md/raid:%s: Cannot increase cache size, ret=%d, new_size=%d, min_nr_stripes=%d, max_nr_stripes=%d\n", + mdname(mddev), + ret, + new_size, + conf->min_nr_stripes, + conf->max_nr_stripes); + return -ENOMEM; + } + sh = r5c_recovery_alloc_stripe( + conf, stripe_sect, 0); } if (!sh) { pr_err("md/raid:%s: Cannot get enough stripes due to memory pressure. Recovery failed.\n", - mdname(mddev)); + mdname(mddev)); return -ENOMEM; } list_add_tail(&sh->lru, cached_stripe_list); diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index dbf51b4c21b3..7dbb74cd506a 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -6336,6 +6336,7 @@ raid5_show_stripe_cache_size(struct mddev *mddev, char *page) int raid5_set_cache_size(struct mddev *mddev, int size) { + int result = 0; struct r5conf *conf = mddev->private;
if (size <= 16 || size > 32768) @@ -6352,11 +6353,14 @@ raid5_set_cache_size(struct mddev *mddev, int size)
mutex_lock(&conf->cache_size_mutex); while (size > conf->max_nr_stripes) - if (!grow_one_stripe(conf, GFP_KERNEL)) + if (!grow_one_stripe(conf, GFP_KERNEL)) { + conf->min_nr_stripes = conf->max_nr_stripes; + result = -ENOMEM; break; + } mutex_unlock(&conf->cache_size_mutex);
- return 0; + return result; } EXPORT_SYMBOL(raid5_set_cache_size);
diff --git a/drivers/mmc/host/bcm2835.c b/drivers/mmc/host/bcm2835.c index 768972af8b85..0d3b7473bc21 100644 --- a/drivers/mmc/host/bcm2835.c +++ b/drivers/mmc/host/bcm2835.c @@ -1427,6 +1427,8 @@ static int bcm2835_probe(struct platform_device *pdev)
err: dev_dbg(dev, "%s -> err %d\n", __func__, ret); + if (host->dma_chan_rxtx) + dma_release_channel(host->dma_chan_rxtx); mmc_free_host(mmc);
return ret; diff --git a/drivers/mmc/host/sdhci-iproc.c b/drivers/mmc/host/sdhci-iproc.c index 0cfbdb3ab68a..cecffcbd3ca8 100644 --- a/drivers/mmc/host/sdhci-iproc.c +++ b/drivers/mmc/host/sdhci-iproc.c @@ -278,7 +278,10 @@ static int sdhci_iproc_probe(struct platform_device *pdev)
iproc_host->data = iproc_data;
- mmc_of_parse(host->mmc); + ret = mmc_of_parse(host->mmc); + if (ret) + goto err; + sdhci_get_of_property(pdev);
host->mmc->caps |= iproc_host->data->mmc_caps; diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c index f77ba9fa257b..94df1ddc5dcb 100644 --- a/drivers/net/ethernet/freescale/ucc_geth.c +++ b/drivers/net/ethernet/freescale/ucc_geth.c @@ -1888,6 +1888,8 @@ static void ucc_geth_free_tx(struct ucc_geth_private *ugeth) u16 i, j; u8 __iomem *bd;
+ netdev_reset_queue(ugeth->ndev); + ug_info = ugeth->ug_info; uf_info = &ug_info->uf_info;
diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index 16c09949afd5..7440c769b30f 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -2048,9 +2048,11 @@ int mlx4_QUERY_HCA(struct mlx4_dev *dev, { struct mlx4_cmd_mailbox *mailbox; __be32 *outbox; + u64 qword_field; u32 dword_field; - int err; + u16 word_field; u8 byte_field; + int err; static const u8 a0_dmfs_query_hw_steering[] = { [0] = MLX4_STEERING_DMFS_A0_DEFAULT, [1] = MLX4_STEERING_DMFS_A0_DYNAMIC, @@ -2078,19 +2080,32 @@ int mlx4_QUERY_HCA(struct mlx4_dev *dev,
/* QPC/EEC/CQC/EQC/RDMARC attributes */
- MLX4_GET(param->qpc_base, outbox, INIT_HCA_QPC_BASE_OFFSET); - MLX4_GET(param->log_num_qps, outbox, INIT_HCA_LOG_QP_OFFSET); - MLX4_GET(param->srqc_base, outbox, INIT_HCA_SRQC_BASE_OFFSET); - MLX4_GET(param->log_num_srqs, outbox, INIT_HCA_LOG_SRQ_OFFSET); - MLX4_GET(param->cqc_base, outbox, INIT_HCA_CQC_BASE_OFFSET); - MLX4_GET(param->log_num_cqs, outbox, INIT_HCA_LOG_CQ_OFFSET); - MLX4_GET(param->altc_base, outbox, INIT_HCA_ALTC_BASE_OFFSET); - MLX4_GET(param->auxc_base, outbox, INIT_HCA_AUXC_BASE_OFFSET); - MLX4_GET(param->eqc_base, outbox, INIT_HCA_EQC_BASE_OFFSET); - MLX4_GET(param->log_num_eqs, outbox, INIT_HCA_LOG_EQ_OFFSET); - MLX4_GET(param->num_sys_eqs, outbox, INIT_HCA_NUM_SYS_EQS_OFFSET); - MLX4_GET(param->rdmarc_base, outbox, INIT_HCA_RDMARC_BASE_OFFSET); - MLX4_GET(param->log_rd_per_qp, outbox, INIT_HCA_LOG_RD_OFFSET); + MLX4_GET(qword_field, outbox, INIT_HCA_QPC_BASE_OFFSET); + param->qpc_base = qword_field & ~((u64)0x1f); + MLX4_GET(byte_field, outbox, INIT_HCA_LOG_QP_OFFSET); + param->log_num_qps = byte_field & 0x1f; + MLX4_GET(qword_field, outbox, INIT_HCA_SRQC_BASE_OFFSET); + param->srqc_base = qword_field & ~((u64)0x1f); + MLX4_GET(byte_field, outbox, INIT_HCA_LOG_SRQ_OFFSET); + param->log_num_srqs = byte_field & 0x1f; + MLX4_GET(qword_field, outbox, INIT_HCA_CQC_BASE_OFFSET); + param->cqc_base = qword_field & ~((u64)0x1f); + MLX4_GET(byte_field, outbox, INIT_HCA_LOG_CQ_OFFSET); + param->log_num_cqs = byte_field & 0x1f; + MLX4_GET(qword_field, outbox, INIT_HCA_ALTC_BASE_OFFSET); + param->altc_base = qword_field; + MLX4_GET(qword_field, outbox, INIT_HCA_AUXC_BASE_OFFSET); + param->auxc_base = qword_field; + MLX4_GET(qword_field, outbox, INIT_HCA_EQC_BASE_OFFSET); + param->eqc_base = qword_field & ~((u64)0x1f); + MLX4_GET(byte_field, outbox, INIT_HCA_LOG_EQ_OFFSET); + param->log_num_eqs = byte_field & 0x1f; + MLX4_GET(word_field, outbox, INIT_HCA_NUM_SYS_EQS_OFFSET); + param->num_sys_eqs = word_field & 0xfff; + MLX4_GET(qword_field, outbox, INIT_HCA_RDMARC_BASE_OFFSET); + param->rdmarc_base = qword_field & ~((u64)0x1f); + MLX4_GET(byte_field, outbox, INIT_HCA_LOG_RD_OFFSET); + param->log_rd_per_qp = byte_field & 0x7;
MLX4_GET(dword_field, outbox, INIT_HCA_FLAGS_OFFSET); if (dword_field & (1 << INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN)) { @@ -2109,22 +2124,21 @@ int mlx4_QUERY_HCA(struct mlx4_dev *dev, /* steering attributes */ if (param->steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { MLX4_GET(param->mc_base, outbox, INIT_HCA_FS_BASE_OFFSET); - MLX4_GET(param->log_mc_entry_sz, outbox, - INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET); - MLX4_GET(param->log_mc_table_sz, outbox, - INIT_HCA_FS_LOG_TABLE_SZ_OFFSET); - MLX4_GET(byte_field, outbox, - INIT_HCA_FS_A0_OFFSET); + MLX4_GET(byte_field, outbox, INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET); + param->log_mc_entry_sz = byte_field & 0x1f; + MLX4_GET(byte_field, outbox, INIT_HCA_FS_LOG_TABLE_SZ_OFFSET); + param->log_mc_table_sz = byte_field & 0x1f; + MLX4_GET(byte_field, outbox, INIT_HCA_FS_A0_OFFSET); param->dmfs_high_steer_mode = a0_dmfs_query_hw_steering[(byte_field >> 6) & 3]; } else { MLX4_GET(param->mc_base, outbox, INIT_HCA_MC_BASE_OFFSET); - MLX4_GET(param->log_mc_entry_sz, outbox, - INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET); - MLX4_GET(param->log_mc_hash_sz, outbox, - INIT_HCA_LOG_MC_HASH_SZ_OFFSET); - MLX4_GET(param->log_mc_table_sz, outbox, - INIT_HCA_LOG_MC_TABLE_SZ_OFFSET); + MLX4_GET(byte_field, outbox, INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET); + param->log_mc_entry_sz = byte_field & 0x1f; + MLX4_GET(byte_field, outbox, INIT_HCA_LOG_MC_HASH_SZ_OFFSET); + param->log_mc_hash_sz = byte_field & 0x1f; + MLX4_GET(byte_field, outbox, INIT_HCA_LOG_MC_TABLE_SZ_OFFSET); + param->log_mc_table_sz = byte_field & 0x1f; }
/* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */ @@ -2148,15 +2162,18 @@ int mlx4_QUERY_HCA(struct mlx4_dev *dev, /* TPT attributes */
MLX4_GET(param->dmpt_base, outbox, INIT_HCA_DMPT_BASE_OFFSET); - MLX4_GET(param->mw_enabled, outbox, INIT_HCA_TPT_MW_OFFSET); - MLX4_GET(param->log_mpt_sz, outbox, INIT_HCA_LOG_MPT_SZ_OFFSET); + MLX4_GET(byte_field, outbox, INIT_HCA_TPT_MW_OFFSET); + param->mw_enabled = byte_field >> 7; + MLX4_GET(byte_field, outbox, INIT_HCA_LOG_MPT_SZ_OFFSET); + param->log_mpt_sz = byte_field & 0x3f; MLX4_GET(param->mtt_base, outbox, INIT_HCA_MTT_BASE_OFFSET); MLX4_GET(param->cmpt_base, outbox, INIT_HCA_CMPT_BASE_OFFSET);
/* UAR attributes */
MLX4_GET(param->uar_page_sz, outbox, INIT_HCA_UAR_PAGE_SZ_OFFSET); - MLX4_GET(param->log_uar_sz, outbox, INIT_HCA_LOG_UAR_SZ_OFFSET); + MLX4_GET(byte_field, outbox, INIT_HCA_LOG_UAR_SZ_OFFSET); + param->log_uar_sz = byte_field & 0xf;
/* phv_check enable */ MLX4_GET(byte_field, outbox, INIT_HCA_CACHELINE_SZ_OFFSET); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index 1af9894abd95..2f93e6e9dc9e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -1126,13 +1126,6 @@ static int esw_vport_ingress_config(struct mlx5_eswitch *esw, int err = 0; u8 *smac_v;
- if (vport->info.spoofchk && !is_valid_ether_addr(vport->info.mac)) { - mlx5_core_warn(esw->dev, - "vport[%d] configure ingress rules failed, illegal mac with spoofchk\n", - vport->vport); - return -EPERM; - } - esw_vport_cleanup_ingress_rules(esw, vport);
if (!vport->info.vlan && !vport->info.qos && !vport->info.spoofchk) { @@ -1614,7 +1607,7 @@ int mlx5_eswitch_init(struct mlx5_core_dev *dev) int vport_num; int err;
- if (!MLX5_ESWITCH_MANAGER(dev)) + if (!MLX5_VPORT_MANAGER(dev)) return 0;
esw_info(dev, @@ -1687,7 +1680,7 @@ int mlx5_eswitch_init(struct mlx5_core_dev *dev)
void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw) { - if (!esw || !MLX5_ESWITCH_MANAGER(esw->dev)) + if (!esw || !MLX5_VPORT_MANAGER(esw->dev)) return;
esw_info(esw->dev, "cleanup\n"); @@ -1734,13 +1727,10 @@ int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw, mutex_lock(&esw->state_lock); evport = &esw->vports[vport];
- if (evport->info.spoofchk && !is_valid_ether_addr(mac)) { + if (evport->info.spoofchk && !is_valid_ether_addr(mac)) mlx5_core_warn(esw->dev, - "MAC invalidation is not allowed when spoofchk is on, vport(%d)\n", + "Set invalid MAC while spoofchk is on, vport(%d)\n", vport); - err = -EPERM; - goto unlock; - }
err = mlx5_modify_nic_vport_mac_address(esw->dev, vport, mac); if (err) { @@ -1886,6 +1876,10 @@ int mlx5_eswitch_set_vport_spoofchk(struct mlx5_eswitch *esw, evport = &esw->vports[vport]; pschk = evport->info.spoofchk; evport->info.spoofchk = spoofchk; + if (pschk && !is_valid_ether_addr(evport->info.mac)) + mlx5_core_warn(esw->dev, + "Spoofchk in set while MAC is invalid, vport(%d)\n", + evport->vport); if (evport->enabled && esw->mode == SRIOV_LEGACY) err = esw_vport_ingress_config(esw, evport); if (err) diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c index 58133c9f701b..2222ed63d055 100644 --- a/drivers/net/ipvlan/ipvlan_main.c +++ b/drivers/net/ipvlan/ipvlan_main.c @@ -95,12 +95,12 @@ static int ipvlan_set_port_mode(struct ipvl_port *port, u16 nval) err = ipvlan_register_nf_hook(read_pnet(&port->pnet)); if (!err) { mdev->l3mdev_ops = &ipvl_l3mdev_ops; - mdev->priv_flags |= IFF_L3MDEV_MASTER; + mdev->priv_flags |= IFF_L3MDEV_RX_HANDLER; } else goto fail; } else if (port->mode == IPVLAN_MODE_L3S) { /* Old mode was L3S */ - mdev->priv_flags &= ~IFF_L3MDEV_MASTER; + mdev->priv_flags &= ~IFF_L3MDEV_RX_HANDLER; ipvlan_unregister_nf_hook(read_pnet(&port->pnet)); mdev->l3mdev_ops = NULL; } @@ -172,7 +172,7 @@ static void ipvlan_port_destroy(struct net_device *dev)
dev->priv_flags &= ~IFF_IPVLAN_MASTER; if (port->mode == IPVLAN_MODE_L3S) { - dev->priv_flags &= ~IFF_L3MDEV_MASTER; + dev->priv_flags &= ~IFF_L3MDEV_RX_HANDLER; ipvlan_unregister_nf_hook(dev_net(dev)); dev->l3mdev_ops = NULL; } diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 215696f21d67..0b457c81c448 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1149,6 +1149,16 @@ static void free_old_xmit_skbs(struct send_queue *sq) u64_stats_update_end(&stats->tx_syncp); }
+static bool is_xdp_raw_buffer_queue(struct virtnet_info *vi, int q) +{ + if (q < (vi->curr_queue_pairs - vi->xdp_queue_pairs)) + return false; + else if (q < vi->curr_queue_pairs) + return true; + else + return false; +} + static void virtnet_poll_cleantx(struct receive_queue *rq) { struct virtnet_info *vi = rq->vq->vdev->priv; @@ -1156,7 +1166,7 @@ static void virtnet_poll_cleantx(struct receive_queue *rq) struct send_queue *sq = &vi->sq[index]; struct netdev_queue *txq = netdev_get_tx_queue(vi->dev, index);
- if (!sq->napi.weight) + if (!sq->napi.weight || is_xdp_raw_buffer_queue(vi, index)) return;
if (__netif_tx_trylock(txq)) { @@ -1206,8 +1216,16 @@ static int virtnet_poll_tx(struct napi_struct *napi, int budget) { struct send_queue *sq = container_of(napi, struct send_queue, napi); struct virtnet_info *vi = sq->vq->vdev->priv; - struct netdev_queue *txq = netdev_get_tx_queue(vi->dev, vq2txq(sq->vq)); + unsigned int index = vq2txq(sq->vq); + struct netdev_queue *txq;
+ if (unlikely(is_xdp_raw_buffer_queue(vi, index))) { + /* We don't need to enable cb for XDP */ + napi_complete_done(napi, 0); + return 0; + } + + txq = netdev_get_tx_queue(vi->dev, index); __netif_tx_lock(txq, raw_smp_processor_id()); free_old_xmit_skbs(sq); __netif_tx_unlock(txq); @@ -2006,14 +2024,17 @@ static int virtnet_xdp_set(struct net_device *dev, struct bpf_prog *prog, }
/* Make sure NAPI is not using any XDP TX queues for RX. */ - if (netif_running(dev)) - for (i = 0; i < vi->max_queue_pairs; i++) + if (netif_running(dev)) { + for (i = 0; i < vi->max_queue_pairs; i++) { napi_disable(&vi->rq[i].napi); + virtnet_napi_tx_disable(&vi->sq[i].napi); + } + }
- netif_set_real_num_rx_queues(dev, curr_qp + xdp_qp); err = _virtnet_set_queues(vi, curr_qp + xdp_qp); if (err) goto err; + netif_set_real_num_rx_queues(dev, curr_qp + xdp_qp); vi->xdp_queue_pairs = xdp_qp;
for (i = 0; i < vi->max_queue_pairs; i++) { @@ -2027,15 +2048,23 @@ static int virtnet_xdp_set(struct net_device *dev, struct bpf_prog *prog, } if (old_prog) bpf_prog_put(old_prog); - if (netif_running(dev)) + if (netif_running(dev)) { virtnet_napi_enable(vi->rq[i].vq, &vi->rq[i].napi); + virtnet_napi_tx_enable(vi, vi->sq[i].vq, + &vi->sq[i].napi); + } }
return 0;
err: - for (i = 0; i < vi->max_queue_pairs; i++) - virtnet_napi_enable(vi->rq[i].vq, &vi->rq[i].napi); + if (netif_running(dev)) { + for (i = 0; i < vi->max_queue_pairs; i++) { + virtnet_napi_enable(vi->rq[i].vq, &vi->rq[i].napi); + virtnet_napi_tx_enable(vi, vi->sq[i].vq, + &vi->sq[i].napi); + } + } if (prog) bpf_prog_sub(prog, vi->max_queue_pairs - 1); return err; @@ -2176,16 +2205,6 @@ static void free_receive_page_frags(struct virtnet_info *vi) put_page(vi->rq[i].alloc_frag.page); }
-static bool is_xdp_raw_buffer_queue(struct virtnet_info *vi, int q) -{ - if (q < (vi->curr_queue_pairs - vi->xdp_queue_pairs)) - return false; - else if (q < vi->curr_queue_pairs) - return true; - else - return false; -} - static void free_unused_bufs(struct virtnet_info *vi) { void *buf; diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c index a6a33327f5e7..9c4b0d7f15c3 100644 --- a/drivers/platform/x86/asus-nb-wmi.c +++ b/drivers/platform/x86/asus-nb-wmi.c @@ -433,8 +433,7 @@ static const struct key_entry asus_nb_wmi_keymap[] = { { KE_KEY, 0x30, { KEY_VOLUMEUP } }, { KE_KEY, 0x31, { KEY_VOLUMEDOWN } }, { KE_KEY, 0x32, { KEY_MUTE } }, - { KE_KEY, 0x33, { KEY_DISPLAYTOGGLE } }, /* LCD on */ - { KE_KEY, 0x34, { KEY_DISPLAY_OFF } }, /* LCD off */ + { KE_KEY, 0x35, { KEY_SCREENLOCK } }, { KE_KEY, 0x40, { KEY_PREVIOUSSONG } }, { KE_KEY, 0x41, { KEY_NEXTSONG } }, { KE_KEY, 0x43, { KEY_STOPCD } }, /* Stop/Eject */ diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 000b7bfa8cf0..48aa854c564a 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -51,6 +51,7 @@ #include "cifs_unicode.h" #include "cifs_debug.h" #include "cifs_fs_sb.h" +#include "dns_resolve.h" #include "ntlmssp.h" #include "nterr.h" #include "rfc1002pdu.h" @@ -313,6 +314,53 @@ static void cifs_prune_tlinks(struct work_struct *work); static int cifs_setup_volume_info(struct smb_vol *volume_info, char *mount_data, const char *devname);
+/* + * Resolve hostname and set ip addr in tcp ses. Useful for hostnames that may + * get their ip addresses changed at some point. + * + * This should be called with server->srv_mutex held. + */ +#ifdef CONFIG_CIFS_DFS_UPCALL +static int reconn_set_ipaddr(struct TCP_Server_Info *server) +{ + int rc; + int len; + char *unc, *ipaddr = NULL; + + if (!server->hostname) + return -EINVAL; + + len = strlen(server->hostname) + 3; + + unc = kmalloc(len, GFP_KERNEL); + if (!unc) { + cifs_dbg(FYI, "%s: failed to create UNC path\n", __func__); + return -ENOMEM; + } + snprintf(unc, len, "\\%s", server->hostname); + + rc = dns_resolve_server_name_to_ip(unc, &ipaddr); + kfree(unc); + + if (rc < 0) { + cifs_dbg(FYI, "%s: failed to resolve server part of %s to IP: %d\n", + __func__, server->hostname, rc); + return rc; + } + + rc = cifs_convert_address((struct sockaddr *)&server->dstaddr, ipaddr, + strlen(ipaddr)); + kfree(ipaddr); + + return !rc ? -1 : 0; +} +#else +static inline int reconn_set_ipaddr(struct TCP_Server_Info *server) +{ + return 0; +} +#endif + /* * cifs tcp session reconnection * @@ -408,6 +456,11 @@ cifs_reconnect(struct TCP_Server_Info *server) rc = generic_ip_connect(server); if (rc) { cifs_dbg(FYI, "reconnect error %d\n", rc); + rc = reconn_set_ipaddr(server); + if (rc) { + cifs_dbg(FYI, "%s: failed to resolve hostname: %d\n", + __func__, rc); + } mutex_unlock(&server->srv_mutex); msleep(3000); } else { diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index c0f8087d9819..fd2d199dd413 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -3071,8 +3071,8 @@ SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon, rsp->hdr.sync_hdr.Status == STATUS_NO_MORE_FILES) { srch_inf->endOfSearch = true; rc = 0; - } - cifs_stats_fail_inc(tcon, SMB2_QUERY_DIRECTORY_HE); + } else + cifs_stats_fail_inc(tcon, SMB2_QUERY_DIRECTORY_HE); goto qdir_exit; }
diff --git a/fs/dcache.c b/fs/dcache.c index 28b2e770bb69..9ac1290ae44f 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -1183,15 +1183,11 @@ static enum lru_status dentry_lru_isolate_shrink(struct list_head *item, */ void shrink_dcache_sb(struct super_block *sb) { - long freed; - do { LIST_HEAD(dispose);
- freed = list_lru_walk(&sb->s_dentry_lru, + list_lru_walk(&sb->s_dentry_lru, dentry_lru_isolate_shrink, &dispose, 1024); - - this_cpu_sub(nr_dentry_unused, freed); shrink_dentry_list(&dispose); cond_resched(); } while (list_lru_count(&sb->s_dentry_lru) > 0); diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index 914cb3d72ddf..b0eee90738ff 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -1695,9 +1695,9 @@ 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/fs/nfs/write.c b/fs/nfs/write.c index 19e6ea89ad26..2d956a7d5378 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -618,11 +618,12 @@ static int nfs_page_async_flush(struct nfs_pageio_descriptor *pgio, nfs_set_page_writeback(page); WARN_ON_ONCE(test_bit(PG_CLEAN, &req->wb_flags));
- ret = 0; + ret = req->wb_context->error; /* If there is a fatal error that covers this write, just exit */ - if (nfs_error_is_fatal_on_server(req->wb_context->error)) + if (nfs_error_is_fatal_on_server(ret)) goto out_launder;
+ ret = 0; if (!nfs_pageio_add_request(pgio, req)) { ret = pgio->pg_error; /* @@ -632,9 +633,9 @@ static int nfs_page_async_flush(struct nfs_pageio_descriptor *pgio, nfs_context_set_write_error(req->wb_context, ret); if (nfs_error_is_fatal_on_server(ret)) goto out_launder; - } + } else + ret = -EAGAIN; nfs_redirty_request(req); - ret = -EAGAIN; } else nfs_add_stats(page_file_mapping(page)->host, NFSIOS_WRITEPAGES, 1); diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c index 2bc61e7543dd..506da82ff3f1 100644 --- a/fs/notify/fsnotify.c +++ b/fs/notify/fsnotify.c @@ -158,9 +158,9 @@ int __fsnotify_parent(const struct path *path, struct dentry *dentry, __u32 mask parent = dget_parent(dentry); p_inode = parent->d_inode;
- if (unlikely(!fsnotify_inode_watches_children(p_inode))) + if (unlikely(!fsnotify_inode_watches_children(p_inode))) { __fsnotify_update_child_dentry_flags(p_inode); - else if (p_inode->i_fsnotify_mask & mask) { + } else if (p_inode->i_fsnotify_mask & mask & ~FS_EVENT_ON_CHILD) { struct name_snapshot name;
/* we are notifying a parent so come up with the new mask which @@ -264,6 +264,10 @@ int fsnotify(struct inode *to_tell, __u32 mask, const void *data, int data_is, else mnt = NULL;
+ /* An event "on child" is not intended for a mount mark */ + if (mask & FS_EVENT_ON_CHILD) + mnt = NULL; + /* * Optimization: srcu_read_lock() has a memory barrier which can * be expensive. It protects walking the *_fsnotify_marks lists. diff --git a/include/linux/kobject.h b/include/linux/kobject.h index e0a6205caa71..e232df1d9db2 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -117,6 +117,23 @@ extern void kobject_put(struct kobject *kobj); extern const void *kobject_namespace(struct kobject *kobj); extern char *kobject_get_path(struct kobject *kobj, gfp_t flag);
+/** + * kobject_has_children - Returns whether a kobject has children. + * @kobj: the object to test + * + * This will return whether a kobject has other kobjects as children. + * + * It does NOT account for the presence of attribute files, only sub + * directories. It also assumes there is no concurrent addition or + * removal of such children, and thus relies on external locking. + */ +static inline bool kobject_has_children(struct kobject *kobj) +{ + WARN_ON_ONCE(kref_read(&kobj->kref) == 0); + + return kobj->sd && kobj->sd->dir.subdirs; +} + struct kobj_type { void (*release)(struct kobject *kobj); const struct sysfs_ops *sysfs_ops; diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index a516dbe5869f..40b830d55fe5 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1356,6 +1356,7 @@ struct net_device_ops { * @IFF_PHONY_HEADROOM: the headroom value is controlled by an external * entity (i.e. the master device for bridged veth) * @IFF_MACSEC: device is a MACsec device + * @IFF_L3MDEV_RX_HANDLER: only invoke the rx handler of L3 master device */ enum netdev_priv_flags { IFF_802_1Q_VLAN = 1<<0, @@ -1386,6 +1387,7 @@ enum netdev_priv_flags { IFF_RXFH_CONFIGURED = 1<<25, IFF_PHONY_HEADROOM = 1<<26, IFF_MACSEC = 1<<27, + IFF_L3MDEV_RX_HANDLER = 1<<28, };
#define IFF_802_1Q_VLAN IFF_802_1Q_VLAN @@ -1415,6 +1417,7 @@ enum netdev_priv_flags { #define IFF_TEAM IFF_TEAM #define IFF_RXFH_CONFIGURED IFF_RXFH_CONFIGURED #define IFF_MACSEC IFF_MACSEC +#define IFF_L3MDEV_RX_HANDLER IFF_L3MDEV_RX_HANDLER
/** * struct net_device - The DEVICE structure. @@ -4206,6 +4209,11 @@ static inline bool netif_supports_nofcs(struct net_device *dev) return dev->priv_flags & IFF_SUPP_NOFCS; }
+static inline bool netif_has_l3_rx_handler(const struct net_device *dev) +{ + return dev->priv_flags & IFF_L3MDEV_RX_HANDLER; +} + static inline bool netif_is_l3_master(const struct net_device *dev) { return dev->priv_flags & IFF_L3MDEV_MASTER; diff --git a/include/linux/sched/coredump.h b/include/linux/sched/coredump.h index ec912d01126f..ecdc6542070f 100644 --- a/include/linux/sched/coredump.h +++ b/include/linux/sched/coredump.h @@ -71,6 +71,7 @@ static inline int get_dumpable(struct mm_struct *mm) #define MMF_HUGE_ZERO_PAGE 23 /* mm has ever used the global huge zero page */ #define MMF_DISABLE_THP 24 /* disable THP for all VMAs */ #define MMF_OOM_VICTIM 25 /* mm is the oom victim */ +#define MMF_OOM_REAP_QUEUED 26 /* mm was queued for oom_reaper */ #define MMF_DISABLE_THP_MASK (1 << MMF_DISABLE_THP)
#define MMF_INIT_MASK (MMF_DUMPABLE_MASK | MMF_DUMP_FILTER_MASK |\ diff --git a/include/net/l3mdev.h b/include/net/l3mdev.h index 3832099289c5..128487658ff7 100644 --- a/include/net/l3mdev.h +++ b/include/net/l3mdev.h @@ -142,7 +142,8 @@ struct sk_buff *l3mdev_l3_rcv(struct sk_buff *skb, u16 proto)
if (netif_is_l3_slave(skb->dev)) master = netdev_master_upper_dev_get_rcu(skb->dev); - else if (netif_is_l3_master(skb->dev)) + else if (netif_is_l3_master(skb->dev) || + netif_has_l3_rx_handler(skb->dev)) master = skb->dev;
if (master && master->l3mdev_ops->l3mdev_l3_rcv) diff --git a/kernel/exit.c b/kernel/exit.c index e3a08761eb40..3aa01b74c1e3 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -557,12 +557,14 @@ static struct task_struct *find_alive_thread(struct task_struct *p) return NULL; }
-static struct task_struct *find_child_reaper(struct task_struct *father) +static struct task_struct *find_child_reaper(struct task_struct *father, + struct list_head *dead) __releases(&tasklist_lock) __acquires(&tasklist_lock) { struct pid_namespace *pid_ns = task_active_pid_ns(father); struct task_struct *reaper = pid_ns->child_reaper; + struct task_struct *p, *n;
if (likely(reaper != father)) return reaper; @@ -578,6 +580,12 @@ static struct task_struct *find_child_reaper(struct task_struct *father) panic("Attempted to kill init! exitcode=0x%08x\n", father->signal->group_exit_code ?: father->exit_code); } + + list_for_each_entry_safe(p, n, dead, ptrace_entry) { + list_del_init(&p->ptrace_entry); + release_task(p); + } + zap_pid_ns_processes(pid_ns); write_lock_irq(&tasklist_lock);
@@ -667,7 +675,7 @@ static void forget_original_parent(struct task_struct *father, exit_ptrace(father, dead);
/* Can drop and reacquire tasklist_lock */ - reaper = find_child_reaper(father); + reaper = find_child_reaper(father, dead); if (list_empty(&father->children)) return;
diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 345e69d88b37..ef080fa682a6 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -339,7 +339,8 @@ static void kill_procs(struct list_head *to_kill, int forcekill, int trapno, if (fail || tk->addr_valid == 0) { pr_err("Memory failure: %#lx: forcibly killing %s:%d because of failure to unmap corrupted page\n", pfn, tk->tsk->comm, tk->tsk->pid); - force_sig(SIGKILL, tk->tsk); + do_send_sig_info(SIGKILL, SEND_SIG_PRIV, + tk->tsk, PIDTYPE_PID); }
/* diff --git a/mm/migrate.c b/mm/migrate.c index cbb025239071..8c57cdd77ba5 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1106,10 +1106,13 @@ static int __unmap_and_move(struct page *page, struct page *newpage, * If migration is successful, decrease refcount of the newpage * which will not free the page because new page owner increased * refcounter. As well, if it is LRU page, add the page to LRU - * list in here. + * list in here. Use the old state of the isolated source page to + * determine if we migrated a LRU page. newpage was already unlocked + * and possibly modified by its owner - don't rely on the page + * state. */ if (rc == MIGRATEPAGE_SUCCESS) { - if (unlikely(__PageMovable(newpage))) + if (unlikely(!is_lru)) put_page(newpage); else putback_lru_page(newpage); diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 58977f634ced..fe0aac2348e5 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -628,8 +628,8 @@ static void wake_oom_reaper(struct task_struct *tsk) if (!oom_reaper_th) return;
- /* tsk is already queued? */ - if (tsk == oom_reaper_list || tsk->oom_reaper_list) + /* mm is already queued? */ + if (test_and_set_bit(MMF_OOM_REAP_QUEUED, &tsk->signal->oom_mm->flags)) return;
get_task_struct(tsk); @@ -870,6 +870,13 @@ static void oom_kill_process(struct oom_control *oc, const char *message) * still freeing memory. */ read_lock(&tasklist_lock); + + /* + * The task 'p' might have already exited before reaching here. The + * put_task_struct() will free task_struct 'p' while the loop still try + * to access the field of 'p', so, get an extra reference. + */ + get_task_struct(p); for_each_thread(p, t) { list_for_each_entry(child, &t->children, sibling) { unsigned int child_points; @@ -889,6 +896,7 @@ static void oom_kill_process(struct oom_control *oc, const char *message) } } } + put_task_struct(p); read_unlock(&tasklist_lock);
p = find_lock_task_mm(victim); diff --git a/net/core/dev.c b/net/core/dev.c index 4337450a5fdb..54ba5b5bc55c 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -7748,6 +7748,9 @@ int init_dummy_netdev(struct net_device *dev) set_bit(__LINK_STATE_PRESENT, &dev->state); set_bit(__LINK_STATE_START, &dev->state);
+ /* napi_busy_loop stats accounting wants this */ + dev_net_set(dev, &init_net); + /* Note : We dont allocate pcpu_refcnt for dummy devices, * because users of this 'device' dont need to change * its refcount. diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index f8bbd693c19c..d95b32af4a0e 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -425,6 +425,7 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff *skb) * fragment. */
+ err = -EINVAL; /* Find out where to put this fragment. */ prev_tail = qp->q.fragments_tail; if (!prev_tail) @@ -501,7 +502,6 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff *skb)
discard_qp: inet_frag_kill(&qp->q); - err = -EINVAL; __IP_INC_STATS(net, IPSTATS_MIB_REASM_OVERLAPS); err: kfree_skb(skb); diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index b1ed9254a4b6..9552e0b08f45 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -370,6 +370,9 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) err = -EINVAL; goto out_unlock; } + } + + if (sk->sk_bound_dev_if) { dev = dev_get_by_index_rcu(net, sk->sk_bound_dev_if); if (!dev) { err = -ENODEV; diff --git a/net/ipv6/seg6_iptunnel.c b/net/ipv6/seg6_iptunnel.c index cf9342bfe95a..de4c9826c1ce 100644 --- a/net/ipv6/seg6_iptunnel.c +++ b/net/ipv6/seg6_iptunnel.c @@ -126,6 +126,8 @@ int seg6_do_srh_encap(struct sk_buff *skb, struct ipv6_sr_hdr *osrh, int proto) } else { ip6_flow_hdr(hdr, 0, 0); hdr->hop_limit = ip6_dst_hoplimit(skb_dst(skb)); + + memset(IP6CB(skb), 0, sizeof(*IP6CB(skb))); }
hdr->nexthdr = NEXTHDR_ROUTING; diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index 33ea389ee015..e494f04819e9 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -83,8 +83,7 @@ #define L2TP_SLFLAG_S 0x40000000 #define L2TP_SL_SEQ_MASK 0x00ffffff
-#define L2TP_HDR_SIZE_SEQ 10 -#define L2TP_HDR_SIZE_NOSEQ 6 +#define L2TP_HDR_SIZE_MAX 14
/* Default trace flags */ #define L2TP_DEFAULT_DEBUG_FLAGS 0 @@ -759,11 +758,9 @@ void l2tp_recv_common(struct l2tp_session *session, struct sk_buff *skb, "%s: recv data ns=%u, session nr=%u\n", session->name, ns, session->nr); } + ptr += 4; }
- /* Advance past L2-specific header, if present */ - ptr += session->l2specific_len; - if (L2TP_SKB_CB(skb)->has_seq) { /* Received a packet with sequence numbers. If we're the LNS, * check if we sre sending sequence numbers and if not, @@ -907,7 +904,7 @@ static int l2tp_udp_recv_core(struct l2tp_tunnel *tunnel, struct sk_buff *skb, __skb_pull(skb, sizeof(struct udphdr));
/* Short packet? */ - if (!pskb_may_pull(skb, L2TP_HDR_SIZE_SEQ)) { + if (!pskb_may_pull(skb, L2TP_HDR_SIZE_MAX)) { l2tp_info(tunnel, L2TP_MSG_DATA, "%s: recv short packet (len=%d)\n", tunnel->name, skb->len); @@ -986,6 +983,10 @@ static int l2tp_udp_recv_core(struct l2tp_tunnel *tunnel, struct sk_buff *skb, goto error; }
+ if (tunnel->version == L2TP_HDR_VER_3 && + l2tp_v3_ensure_opt_in_linear(session, skb, &ptr, &optr)) + goto error; + l2tp_recv_common(session, skb, ptr, optr, hdrflags, length, payload_hook); l2tp_session_dec_refcount(session);
@@ -1085,21 +1086,20 @@ static int l2tp_build_l2tpv3_header(struct l2tp_session *session, void *buf) memcpy(bufp, &session->cookie[0], session->cookie_len); bufp += session->cookie_len; } - if (session->l2specific_len) { - if (session->l2specific_type == L2TP_L2SPECTYPE_DEFAULT) { - u32 l2h = 0; - if (session->send_seq) { - l2h = 0x40000000 | session->ns; - session->ns++; - session->ns &= 0xffffff; - l2tp_dbg(session, L2TP_MSG_SEQ, - "%s: updated ns to %u\n", - session->name, session->ns); - } + if (session->l2specific_type == L2TP_L2SPECTYPE_DEFAULT) { + u32 l2h = 0;
- *((__be32 *) bufp) = htonl(l2h); + if (session->send_seq) { + l2h = 0x40000000 | session->ns; + session->ns++; + session->ns &= 0xffffff; + l2tp_dbg(session, L2TP_MSG_SEQ, + "%s: updated ns to %u\n", + session->name, session->ns); } - bufp += session->l2specific_len; + + *((__be32 *)bufp) = htonl(l2h); + bufp += 4; }
return bufp - optr; @@ -1765,7 +1765,7 @@ int l2tp_session_delete(struct l2tp_session *session) EXPORT_SYMBOL_GPL(l2tp_session_delete);
/* We come here whenever a session's send_seq, cookie_len or - * l2specific_len parameters are set. + * l2specific_type parameters are set. */ void l2tp_session_set_header_len(struct l2tp_session *session, int version) { @@ -1774,7 +1774,8 @@ void l2tp_session_set_header_len(struct l2tp_session *session, int version) if (session->send_seq) session->hdr_len += 4; } else { - session->hdr_len = 4 + session->cookie_len + session->l2specific_len; + session->hdr_len = 4 + session->cookie_len; + session->hdr_len += l2tp_get_l2specific_len(session); if (session->tunnel->encap == L2TP_ENCAPTYPE_UDP) session->hdr_len += 4; } diff --git a/net/l2tp/l2tp_core.h b/net/l2tp/l2tp_core.h index 0a58c0754526..62598ee7b2e7 100644 --- a/net/l2tp/l2tp_core.h +++ b/net/l2tp/l2tp_core.h @@ -320,6 +320,37 @@ do { \ #define l2tp_session_dec_refcount(s) l2tp_session_dec_refcount_1(s) #endif
+static inline int l2tp_get_l2specific_len(struct l2tp_session *session) +{ + switch (session->l2specific_type) { + case L2TP_L2SPECTYPE_DEFAULT: + return 4; + case L2TP_L2SPECTYPE_NONE: + default: + return 0; + } +} + +static inline int l2tp_v3_ensure_opt_in_linear(struct l2tp_session *session, struct sk_buff *skb, + unsigned char **ptr, unsigned char **optr) +{ + int opt_len = session->peer_cookie_len + l2tp_get_l2specific_len(session); + + if (opt_len > 0) { + int off = *ptr - *optr; + + if (!pskb_may_pull(skb, off + opt_len)) + return -1; + + if (skb->data != *optr) { + *optr = skb->data; + *ptr = skb->data + off; + } + } + + return 0; +} + #define l2tp_printk(ptr, type, func, fmt, ...) \ do { \ if (((ptr)->debug) & (type)) \ diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c index e4280b6568b4..f7880becc165 100644 --- a/net/l2tp/l2tp_ip.c +++ b/net/l2tp/l2tp_ip.c @@ -165,6 +165,9 @@ static int l2tp_ip_recv(struct sk_buff *skb) print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, ptr, length); }
+ if (l2tp_v3_ensure_opt_in_linear(session, skb, &ptr, &optr)) + goto discard_sess; + l2tp_recv_common(session, skb, ptr, optr, 0, skb->len, tunnel->recv_payload_hook); l2tp_session_dec_refcount(session);
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c index 8bcaa975b432..3c77507601c7 100644 --- a/net/l2tp/l2tp_ip6.c +++ b/net/l2tp/l2tp_ip6.c @@ -178,6 +178,9 @@ static int l2tp_ip6_recv(struct sk_buff *skb) print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, ptr, length); }
+ if (l2tp_v3_ensure_opt_in_linear(session, skb, &ptr, &optr)) + goto discard_sess; + l2tp_recv_common(session, skb, ptr, optr, 0, skb->len, tunnel->recv_payload_hook); l2tp_session_dec_refcount(session); diff --git a/net/netrom/nr_timer.c b/net/netrom/nr_timer.c index 94d05806a9a2..f0ecaec1ff3d 100644 --- a/net/netrom/nr_timer.c +++ b/net/netrom/nr_timer.c @@ -53,21 +53,21 @@ void nr_start_t1timer(struct sock *sk) { struct nr_sock *nr = nr_sk(sk);
- mod_timer(&nr->t1timer, jiffies + nr->t1); + sk_reset_timer(sk, &nr->t1timer, jiffies + nr->t1); }
void nr_start_t2timer(struct sock *sk) { struct nr_sock *nr = nr_sk(sk);
- mod_timer(&nr->t2timer, jiffies + nr->t2); + sk_reset_timer(sk, &nr->t2timer, jiffies + nr->t2); }
void nr_start_t4timer(struct sock *sk) { struct nr_sock *nr = nr_sk(sk);
- mod_timer(&nr->t4timer, jiffies + nr->t4); + sk_reset_timer(sk, &nr->t4timer, jiffies + nr->t4); }
void nr_start_idletimer(struct sock *sk) @@ -75,37 +75,37 @@ void nr_start_idletimer(struct sock *sk) struct nr_sock *nr = nr_sk(sk);
if (nr->idle > 0) - mod_timer(&nr->idletimer, jiffies + nr->idle); + sk_reset_timer(sk, &nr->idletimer, jiffies + nr->idle); }
void nr_start_heartbeat(struct sock *sk) { - mod_timer(&sk->sk_timer, jiffies + 5 * HZ); + sk_reset_timer(sk, &sk->sk_timer, jiffies + 5 * HZ); }
void nr_stop_t1timer(struct sock *sk) { - del_timer(&nr_sk(sk)->t1timer); + sk_stop_timer(sk, &nr_sk(sk)->t1timer); }
void nr_stop_t2timer(struct sock *sk) { - del_timer(&nr_sk(sk)->t2timer); + sk_stop_timer(sk, &nr_sk(sk)->t2timer); }
void nr_stop_t4timer(struct sock *sk) { - del_timer(&nr_sk(sk)->t4timer); + sk_stop_timer(sk, &nr_sk(sk)->t4timer); }
void nr_stop_idletimer(struct sock *sk) { - del_timer(&nr_sk(sk)->idletimer); + sk_stop_timer(sk, &nr_sk(sk)->idletimer); }
void nr_stop_heartbeat(struct sock *sk) { - del_timer(&sk->sk_timer); + sk_stop_timer(sk, &sk->sk_timer); }
int nr_t1timer_running(struct sock *sk) diff --git a/net/rose/rose_route.c b/net/rose/rose_route.c index 452bbb38d943..2741abec7ee7 100644 --- a/net/rose/rose_route.c +++ b/net/rose/rose_route.c @@ -848,6 +848,7 @@ void rose_link_device_down(struct net_device *dev)
/* * Route a frame to an appropriate AX.25 connection. + * A NULL ax25_cb indicates an internally generated frame. */ int rose_route_frame(struct sk_buff *skb, ax25_cb *ax25) { @@ -865,6 +866,10 @@ int rose_route_frame(struct sk_buff *skb, ax25_cb *ax25)
if (skb->len < ROSE_MIN_LEN) return res; + + if (!ax25) + return rose_loopback_queue(skb, NULL); + frametype = skb->data[2]; lci = ((skb->data[0] << 8) & 0xF00) + ((skb->data[1] << 0) & 0x0FF); if (frametype == ROSE_CALL_REQUEST && diff --git a/net/sctp/stream.c b/net/sctp/stream.c index 61273534ae10..71534bd4e77c 100644 --- a/net/sctp/stream.c +++ b/net/sctp/stream.c @@ -360,9 +360,9 @@ struct sctp_chunk *sctp_process_strreset_outreq( struct sctp_strreset_outreq *outreq = param.v; struct sctp_stream *stream = &asoc->stream; __u32 result = SCTP_STRRESET_DENIED; - __u16 i, nums, flags = 0; __be16 *str_p = NULL; __u32 request_seq; + __u16 i, nums;
request_seq = ntohl(outreq->request_seq);
@@ -390,6 +390,15 @@ struct sctp_chunk *sctp_process_strreset_outreq( if (!(asoc->strreset_enable & SCTP_ENABLE_RESET_STREAM_REQ)) goto out;
+ nums = (ntohs(param.p->length) - sizeof(*outreq)) / sizeof(__u16); + str_p = outreq->list_of_streams; + for (i = 0; i < nums; i++) { + if (ntohs(str_p[i]) >= stream->incnt) { + result = SCTP_STRRESET_ERR_WRONG_SSN; + goto out; + } + } + if (asoc->strreset_chunk) { if (!sctp_chunk_lookup_strreset_param( asoc, outreq->response_seq, @@ -412,32 +421,19 @@ struct sctp_chunk *sctp_process_strreset_outreq( sctp_chunk_put(asoc->strreset_chunk); asoc->strreset_chunk = NULL; } - - flags = SCTP_STREAM_RESET_INCOMING_SSN; }
- nums = (ntohs(param.p->length) - sizeof(*outreq)) / 2; - if (nums) { - str_p = outreq->list_of_streams; - for (i = 0; i < nums; i++) { - if (ntohs(str_p[i]) >= stream->incnt) { - result = SCTP_STRRESET_ERR_WRONG_SSN; - goto out; - } - } - + if (nums) for (i = 0; i < nums; i++) stream->in[ntohs(str_p[i])].ssn = 0; - } else { + else for (i = 0; i < stream->incnt; i++) stream->in[i].ssn = 0; - }
result = SCTP_STRRESET_PERFORMED;
*evp = sctp_ulpevent_make_stream_reset_event(asoc, - flags | SCTP_STREAM_RESET_OUTGOING_SSN, nums, str_p, - GFP_ATOMIC); + SCTP_STREAM_RESET_INCOMING_SSN, nums, str_p, GFP_ATOMIC);
out: sctp_update_strreset_result(asoc, result); @@ -507,9 +503,6 @@ struct sctp_chunk *sctp_process_strreset_inreq(
result = SCTP_STRRESET_PERFORMED;
- *evp = sctp_ulpevent_make_stream_reset_event(asoc, - SCTP_STREAM_RESET_INCOMING_SSN, nums, str_p, GFP_ATOMIC); - out: sctp_update_strreset_result(asoc, result); err: @@ -642,6 +635,16 @@ struct sctp_chunk *sctp_process_strreset_addstrm_out( if (!(asoc->strreset_enable & SCTP_ENABLE_CHANGE_ASSOC_REQ)) goto out;
+ in = ntohs(addstrm->number_of_streams); + incnt = stream->incnt + in; + if (!in || incnt > SCTP_MAX_STREAM) + goto out; + + streamin = krealloc(stream->in, incnt * sizeof(*streamin), + GFP_ATOMIC); + if (!streamin) + goto out; + if (asoc->strreset_chunk) { if (!sctp_chunk_lookup_strreset_param( asoc, 0, SCTP_PARAM_RESET_ADD_IN_STREAMS)) { @@ -665,16 +668,6 @@ struct sctp_chunk *sctp_process_strreset_addstrm_out( } }
- in = ntohs(addstrm->number_of_streams); - incnt = stream->incnt + in; - if (!in || incnt > SCTP_MAX_STREAM) - goto out; - - streamin = krealloc(stream->in, incnt * sizeof(*streamin), - GFP_ATOMIC); - if (!streamin) - goto out; - memset(streamin + stream->incnt, 0, in * sizeof(*streamin)); stream->in = streamin; stream->incnt = incnt; @@ -750,9 +743,6 @@ struct sctp_chunk *sctp_process_strreset_addstrm_in(
result = SCTP_STRRESET_PERFORMED;
- *evp = sctp_ulpevent_make_stream_change_event(asoc, - 0, 0, ntohs(addstrm->number_of_streams), GFP_ATOMIC); - out: sctp_update_strreset_result(asoc, result); err: @@ -805,10 +795,10 @@ struct sctp_chunk *sctp_process_strreset_resp( for (i = 0; i < stream->outcnt; i++) stream->out[i].ssn = 0; } - - flags = SCTP_STREAM_RESET_OUTGOING_SSN; }
+ flags |= SCTP_STREAM_RESET_OUTGOING_SSN; + for (i = 0; i < stream->outcnt; i++) stream->out[i].state = SCTP_STREAM_OPEN;
@@ -826,6 +816,8 @@ struct sctp_chunk *sctp_process_strreset_resp( str_p = inreq->list_of_streams; nums = (ntohs(inreq->param_hdr.length) - sizeof(*inreq)) / 2;
+ flags |= SCTP_STREAM_RESET_INCOMING_SSN; + *evp = sctp_ulpevent_make_stream_reset_event(asoc, flags, nums, str_p, GFP_ATOMIC); } else if (req->type == SCTP_PARAM_RESET_TSN_REQUEST) { diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 1191d8925c44..972fd95f08ca 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -118,6 +118,7 @@ struct alc_spec { int codec_variant; /* flag for other variants */ unsigned int has_alc5505_dsp:1; unsigned int no_depop_delay:1; + unsigned int done_hp_init:1;
/* for PLL fix */ hda_nid_t pll_nid; @@ -3213,6 +3214,48 @@ static void alc_default_shutup(struct hda_codec *codec) snd_hda_shutup_pins(codec); }
+static void alc294_hp_init(struct hda_codec *codec) +{ + struct alc_spec *spec = codec->spec; + hda_nid_t hp_pin = spec->gen.autocfg.hp_pins[0]; + int i, val; + + if (!hp_pin) + return; + + snd_hda_codec_write(codec, hp_pin, 0, + AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); + + msleep(100); + + snd_hda_codec_write(codec, hp_pin, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, 0x0); + + alc_update_coef_idx(codec, 0x6f, 0x000f, 0);/* Set HP depop to manual mode */ + alc_update_coefex_idx(codec, 0x58, 0x00, 0x8000, 0x8000); /* HP depop procedure start */ + + /* Wait for depop procedure finish */ + val = alc_read_coefex_idx(codec, 0x58, 0x01); + for (i = 0; i < 20 && val & 0x0080; i++) { + msleep(50); + val = alc_read_coefex_idx(codec, 0x58, 0x01); + } + /* Set HP depop to auto mode */ + alc_update_coef_idx(codec, 0x6f, 0x000f, 0x000b); + msleep(50); +} + +static void alc294_init(struct hda_codec *codec) +{ + struct alc_spec *spec = codec->spec; + + if (!spec->done_hp_init) { + alc294_hp_init(codec); + spec->done_hp_init = true; + } + alc_default_init(codec); +} + static void alc5505_coef_set(struct hda_codec *codec, unsigned int index_reg, unsigned int val) { @@ -6981,37 +7024,6 @@ static void alc269_fill_coef(struct hda_codec *codec) alc_update_coef_idx(codec, 0x4, 0, 1<<11); }
-static void alc294_hp_init(struct hda_codec *codec) -{ - struct alc_spec *spec = codec->spec; - hda_nid_t hp_pin = spec->gen.autocfg.hp_pins[0]; - int i, val; - - if (!hp_pin) - return; - - snd_hda_codec_write(codec, hp_pin, 0, - AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); - - msleep(100); - - snd_hda_codec_write(codec, hp_pin, 0, - AC_VERB_SET_PIN_WIDGET_CONTROL, 0x0); - - alc_update_coef_idx(codec, 0x6f, 0x000f, 0);/* Set HP depop to manual mode */ - alc_update_coefex_idx(codec, 0x58, 0x00, 0x8000, 0x8000); /* HP depop procedure start */ - - /* Wait for depop procedure finish */ - val = alc_read_coefex_idx(codec, 0x58, 0x01); - for (i = 0; i < 20 && val & 0x0080; i++) { - msleep(50); - val = alc_read_coefex_idx(codec, 0x58, 0x01); - } - /* Set HP depop to auto mode */ - alc_update_coef_idx(codec, 0x6f, 0x000f, 0x000b); - msleep(50); -} - /* */ static int patch_alc269(struct hda_codec *codec) @@ -7148,7 +7160,7 @@ static int patch_alc269(struct hda_codec *codec) spec->codec_variant = ALC269_TYPE_ALC294; spec->gen.mixer_nid = 0; /* ALC2x4 does not have any loopback mixer path */ alc_update_coef_idx(codec, 0x6b, 0x0018, (1<<4) | (1<<3)); /* UAJ MIC Vref control by verb */ - alc294_hp_init(codec); + spec->init_hook = alc294_init; break; case 0x10ec0300: spec->codec_variant = ALC269_TYPE_ALC300; @@ -7160,7 +7172,7 @@ static int patch_alc269(struct hda_codec *codec) spec->codec_variant = ALC269_TYPE_ALC700; spec->gen.mixer_nid = 0; /* ALC700 does not have any loopback mixer path */ alc_update_coef_idx(codec, 0x4a, 1 << 15, 0); /* Combo jack auto trigger control */ - alc294_hp_init(codec); + spec->init_hook = alc294_init; break;
} diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c index 194759ec9e70..ba15baa2061b 100644 --- a/tools/testing/selftests/seccomp/seccomp_bpf.c +++ b/tools/testing/selftests/seccomp/seccomp_bpf.c @@ -1554,7 +1554,16 @@ TEST_F(TRACE_poke, getpid_runs_normally) #ifdef SYSCALL_NUM_RET_SHARE_REG # define EXPECT_SYSCALL_RETURN(val, action) EXPECT_EQ(-1, action) #else -# define EXPECT_SYSCALL_RETURN(val, action) EXPECT_EQ(val, action) +# define EXPECT_SYSCALL_RETURN(val, action) \ + do { \ + errno = 0; \ + if (val < 0) { \ + EXPECT_EQ(-1, action); \ + EXPECT_EQ(-(val), errno); \ + } else { \ + EXPECT_EQ(val, action); \ + } \ + } while (0) #endif
/* Use PTRACE_GETREGS and PTRACE_SETREGS when available. This is useful for @@ -1593,7 +1602,7 @@ int get_syscall(struct __test_metadata *_metadata, pid_t tracee)
/* Architecture-specific syscall changing routine. */ void change_syscall(struct __test_metadata *_metadata, - pid_t tracee, int syscall) + pid_t tracee, int syscall, int result) { int ret; ARCH_REGS regs; @@ -1652,7 +1661,7 @@ void change_syscall(struct __test_metadata *_metadata, #ifdef SYSCALL_NUM_RET_SHARE_REG TH_LOG("Can't modify syscall return on this architecture"); #else - regs.SYSCALL_RET = EPERM; + regs.SYSCALL_RET = result; #endif
#ifdef HAVE_GETREGS @@ -1680,14 +1689,19 @@ void tracer_syscall(struct __test_metadata *_metadata, pid_t tracee, case 0x1002: /* change getpid to getppid. */ EXPECT_EQ(__NR_getpid, get_syscall(_metadata, tracee)); - change_syscall(_metadata, tracee, __NR_getppid); + change_syscall(_metadata, tracee, __NR_getppid, 0); break; case 0x1003: - /* skip gettid. */ + /* skip gettid with valid return code. */ EXPECT_EQ(__NR_gettid, get_syscall(_metadata, tracee)); - change_syscall(_metadata, tracee, -1); + change_syscall(_metadata, tracee, -1, 45000); break; case 0x1004: + /* skip openat with error. */ + EXPECT_EQ(__NR_openat, get_syscall(_metadata, tracee)); + change_syscall(_metadata, tracee, -1, -ESRCH); + break; + case 0x1005: /* do nothing (allow getppid) */ EXPECT_EQ(__NR_getppid, get_syscall(_metadata, tracee)); break; @@ -1720,9 +1734,11 @@ void tracer_ptrace(struct __test_metadata *_metadata, pid_t tracee, nr = get_syscall(_metadata, tracee);
if (nr == __NR_getpid) - change_syscall(_metadata, tracee, __NR_getppid); + change_syscall(_metadata, tracee, __NR_getppid, 0); + if (nr == __NR_gettid) + change_syscall(_metadata, tracee, -1, 45000); if (nr == __NR_openat) - change_syscall(_metadata, tracee, -1); + change_syscall(_metadata, tracee, -1, -ESRCH); }
FIXTURE_DATA(TRACE_syscall) { @@ -1739,8 +1755,10 @@ FIXTURE_SETUP(TRACE_syscall) BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_TRACE | 0x1002), BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, __NR_gettid, 0, 1), BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_TRACE | 0x1003), - BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, __NR_getppid, 0, 1), + BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, __NR_openat, 0, 1), BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_TRACE | 0x1004), + BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, __NR_getppid, 0, 1), + BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_TRACE | 0x1005), BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_ALLOW), };
@@ -1788,15 +1806,26 @@ TEST_F(TRACE_syscall, ptrace_syscall_redirected) EXPECT_NE(self->mypid, syscall(__NR_getpid)); }
-TEST_F(TRACE_syscall, ptrace_syscall_dropped) +TEST_F(TRACE_syscall, ptrace_syscall_errno) +{ + /* Swap SECCOMP_RET_TRACE tracer for PTRACE_SYSCALL tracer. */ + teardown_trace_fixture(_metadata, self->tracer); + self->tracer = setup_trace_fixture(_metadata, tracer_ptrace, NULL, + true); + + /* Tracer should skip the open syscall, resulting in ESRCH. */ + EXPECT_SYSCALL_RETURN(-ESRCH, syscall(__NR_openat)); +} + +TEST_F(TRACE_syscall, ptrace_syscall_faked) { /* Swap SECCOMP_RET_TRACE tracer for PTRACE_SYSCALL tracer. */ teardown_trace_fixture(_metadata, self->tracer); self->tracer = setup_trace_fixture(_metadata, tracer_ptrace, NULL, true);
- /* Tracer should skip the open syscall, resulting in EPERM. */ - EXPECT_SYSCALL_RETURN(EPERM, syscall(__NR_openat)); + /* Tracer should skip the gettid syscall, resulting fake pid. */ + EXPECT_SYSCALL_RETURN(45000, syscall(__NR_gettid)); }
TEST_F(TRACE_syscall, syscall_allowed) @@ -1829,7 +1858,21 @@ TEST_F(TRACE_syscall, syscall_redirected) EXPECT_NE(self->mypid, syscall(__NR_getpid)); }
-TEST_F(TRACE_syscall, syscall_dropped) +TEST_F(TRACE_syscall, syscall_errno) +{ + long ret; + + ret = prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0); + ASSERT_EQ(0, ret); + + ret = prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, &self->prog, 0, 0); + ASSERT_EQ(0, ret); + + /* openat has been skipped and an errno return. */ + EXPECT_SYSCALL_RETURN(-ESRCH, syscall(__NR_openat)); +} + +TEST_F(TRACE_syscall, syscall_faked) { long ret;
@@ -1840,8 +1883,7 @@ TEST_F(TRACE_syscall, syscall_dropped) ASSERT_EQ(0, ret);
/* gettid has been skipped and an altered return value stored. */ - EXPECT_SYSCALL_RETURN(EPERM, syscall(__NR_gettid)); - EXPECT_NE(self->mytid, syscall(__NR_gettid)); + EXPECT_SYSCALL_RETURN(45000, syscall(__NR_gettid)); }
TEST_F(TRACE_syscall, skip_after_RET_TRACE)