commit: 77d4994b057e94128881c4219ff9431f8b22ff8a Author: Alice Ferrazzi <alicef <AT> gentoo <DOT> org> AuthorDate: Wed Aug 12 23:36:35 2020 +0000 Commit: Alice Ferrazzi <alicef <AT> gentoo <DOT> org> CommitDate: Wed Aug 12 23:36:44 2020 +0000 URL: https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=77d4994b
Linux patch 4.19.139 Signed-off-by: Alice Ferrazzi <alicef <AT> gentoo.org> 0000_README | 4 + 1138_linux-4.19.139.patch | 1713 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 1717 insertions(+) diff --git a/0000_README b/0000_README index c72d2c2..b90eb63 100644 --- a/0000_README +++ b/0000_README @@ -591,6 +591,10 @@ Patch: 1137_linux-4.19.138.patch From: https://www.kernel.org Desc: Linux 4.19.138 +Patch: 1138_linux-4.19.139.patch +From: https://www.kernel.org +Desc: Linux 4.19.139 + 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/1138_linux-4.19.139.patch b/1138_linux-4.19.139.patch new file mode 100644 index 0000000..7235e09 --- /dev/null +++ b/1138_linux-4.19.139.patch @@ -0,0 +1,1713 @@ +diff --git a/Makefile b/Makefile +index daaa8ab2f550..f6012170995e 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,7 +1,7 @@ + # SPDX-License-Identifier: GPL-2.0 + VERSION = 4 + PATCHLEVEL = 19 +-SUBLEVEL = 138 ++SUBLEVEL = 139 + EXTRAVERSION = + NAME = "People's Front" + +diff --git a/drivers/android/binder.c b/drivers/android/binder.c +index cf4367135a00..112b5b50ad3c 100644 +--- a/drivers/android/binder.c ++++ b/drivers/android/binder.c +@@ -2862,6 +2862,12 @@ static void binder_transaction(struct binder_proc *proc, + goto err_dead_binder; + } + e->to_node = target_node->debug_id; ++ if (WARN_ON(proc == target_proc)) { ++ return_error = BR_FAILED_REPLY; ++ return_error_param = -EINVAL; ++ return_error_line = __LINE__; ++ goto err_invalid_target_handle; ++ } + if (security_binder_transaction(proc->tsk, + target_proc->tsk) < 0) { + return_error = BR_FAILED_REPLY; +@@ -3366,10 +3372,17 @@ static int binder_thread_write(struct binder_proc *proc, + struct binder_node *ctx_mgr_node; + mutex_lock(&context->context_mgr_node_lock); + ctx_mgr_node = context->binder_context_mgr_node; +- if (ctx_mgr_node) ++ if (ctx_mgr_node) { ++ if (ctx_mgr_node->proc == proc) { ++ binder_user_error("%d:%d context manager tried to acquire desc 0\n", ++ proc->pid, thread->pid); ++ mutex_unlock(&context->context_mgr_node_lock); ++ return -EINVAL; ++ } + ret = binder_inc_ref_for_node( + proc, ctx_mgr_node, + strong, NULL, &rdata); ++ } + mutex_unlock(&context->context_mgr_node_lock); + } + if (ret) +diff --git a/drivers/atm/atmtcp.c b/drivers/atm/atmtcp.c +index afebeb1c3e1e..723bad1201cc 100644 +--- a/drivers/atm/atmtcp.c ++++ b/drivers/atm/atmtcp.c +@@ -432,9 +432,15 @@ static int atmtcp_remove_persistent(int itf) + return -EMEDIUMTYPE; + } + dev_data = PRIV(dev); +- if (!dev_data->persist) return 0; ++ if (!dev_data->persist) { ++ atm_dev_put(dev); ++ return 0; ++ } + dev_data->persist = 0; +- if (PRIV(dev)->vcc) return 0; ++ if (PRIV(dev)->vcc) { ++ atm_dev_put(dev); ++ return 0; ++ } + kfree(dev_data); + atm_dev_put(dev); + atm_dev_deregister(dev); +diff --git a/drivers/firmware/qemu_fw_cfg.c b/drivers/firmware/qemu_fw_cfg.c +index 039e0f91dba8..6945c3c96637 100644 +--- a/drivers/firmware/qemu_fw_cfg.c ++++ b/drivers/firmware/qemu_fw_cfg.c +@@ -605,8 +605,10 @@ static int fw_cfg_register_file(const struct fw_cfg_file *f) + /* register entry under "/sys/firmware/qemu_fw_cfg/by_key/" */ + err = kobject_init_and_add(&entry->kobj, &fw_cfg_sysfs_entry_ktype, + fw_cfg_sel_ko, "%d", entry->select); +- if (err) +- goto err_register; ++ if (err) { ++ kobject_put(&entry->kobj); ++ return err; ++ } + + /* add raw binary content access */ + err = sysfs_create_bin_file(&entry->kobj, &fw_cfg_sysfs_attr_raw); +@@ -622,7 +624,6 @@ static int fw_cfg_register_file(const struct fw_cfg_file *f) + + err_add_raw: + kobject_del(&entry->kobj); +-err_register: + kfree(entry); + return err; + } +diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c +index 0f64c0a1d4b3..406cb99af7f2 100644 +--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c ++++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c +@@ -315,7 +315,7 @@ nouveau_fbcon_create(struct drm_fb_helper *helper, + struct nouveau_framebuffer *fb; + struct nouveau_channel *chan; + struct nouveau_bo *nvbo; +- struct drm_mode_fb_cmd2 mode_cmd; ++ struct drm_mode_fb_cmd2 mode_cmd = {}; + int ret; + + mode_cmd.width = sizes->surface_width; +@@ -599,6 +599,7 @@ fini: + drm_fb_helper_fini(&fbcon->helper); + free: + kfree(fbcon); ++ drm->fbcon = NULL; + return ret; + } + +diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c +index 3bf1f9ef8ea2..c83361a8e203 100644 +--- a/drivers/hv/channel_mgmt.c ++++ b/drivers/hv/channel_mgmt.c +@@ -1249,6 +1249,8 @@ channel_message_table[CHANNELMSG_COUNT] = { + { CHANNELMSG_19, 0, NULL }, + { CHANNELMSG_20, 0, NULL }, + { CHANNELMSG_TL_CONNECT_REQUEST, 0, NULL }, ++ { CHANNELMSG_22, 0, NULL }, ++ { CHANNELMSG_TL_CONNECT_RESULT, 0, NULL }, + }; + + /* +@@ -1260,25 +1262,16 @@ void vmbus_onmessage(void *context) + { + struct hv_message *msg = context; + struct vmbus_channel_message_header *hdr; +- int size; + + hdr = (struct vmbus_channel_message_header *)msg->u.payload; +- size = msg->header.payload_size; + + trace_vmbus_on_message(hdr); + +- if (hdr->msgtype >= CHANNELMSG_COUNT) { +- pr_err("Received invalid channel message type %d size %d\n", +- hdr->msgtype, size); +- print_hex_dump_bytes("", DUMP_PREFIX_NONE, +- (unsigned char *)msg->u.payload, size); +- return; +- } +- +- if (channel_message_table[hdr->msgtype].message_handler) +- channel_message_table[hdr->msgtype].message_handler(hdr); +- else +- pr_err("Unhandled channel message type %d\n", hdr->msgtype); ++ /* ++ * vmbus_on_msg_dpc() makes sure the hdr->msgtype here can not go ++ * out of bound and the message_handler pointer can not be NULL. ++ */ ++ channel_message_table[hdr->msgtype].message_handler(hdr); + } + + /* +diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c +index fb22b72fd535..0699c6018889 100644 +--- a/drivers/hv/vmbus_drv.c ++++ b/drivers/hv/vmbus_drv.c +@@ -939,6 +939,10 @@ void vmbus_on_msg_dpc(unsigned long data) + } + + entry = &channel_message_table[hdr->msgtype]; ++ ++ if (!entry->message_handler) ++ goto msg_handled; ++ + if (entry->handler_type == VMHT_BLOCKING) { + ctx = kmalloc(sizeof(*ctx), GFP_ATOMIC); + if (ctx == NULL) +diff --git a/drivers/i2c/i2c-core-slave.c b/drivers/i2c/i2c-core-slave.c +index 47a9f70a24a9..f2e7e373ee47 100644 +--- a/drivers/i2c/i2c-core-slave.c ++++ b/drivers/i2c/i2c-core-slave.c +@@ -22,10 +22,8 @@ int i2c_slave_register(struct i2c_client *client, i2c_slave_cb_t slave_cb) + { + int ret; + +- if (!client || !slave_cb) { +- WARN(1, "insufficient data\n"); ++ if (WARN(IS_ERR_OR_NULL(client) || !slave_cb, "insufficient data\n")) + return -EINVAL; +- } + + if (!(client->flags & I2C_CLIENT_SLAVE)) + dev_warn(&client->dev, "%s: client slave flag not set. You might see address collisions\n", +@@ -64,6 +62,9 @@ int i2c_slave_unregister(struct i2c_client *client) + { + int ret; + ++ if (IS_ERR_OR_NULL(client)) ++ return -EINVAL; ++ + if (!client->adapter->algo->unreg_slave) { + dev_err(&client->dev, "%s: not supported by adapter\n", __func__); + return -EOPNOTSUPP; +diff --git a/drivers/leds/leds-88pm860x.c b/drivers/leds/leds-88pm860x.c +index 77a104d2b124..13f414ff6fd0 100644 +--- a/drivers/leds/leds-88pm860x.c ++++ b/drivers/leds/leds-88pm860x.c +@@ -207,21 +207,33 @@ static int pm860x_led_probe(struct platform_device *pdev) + data->cdev.brightness_set_blocking = pm860x_led_set; + mutex_init(&data->lock); + +- ret = devm_led_classdev_register(chip->dev, &data->cdev); ++ ret = led_classdev_register(chip->dev, &data->cdev); + if (ret < 0) { + dev_err(&pdev->dev, "Failed to register LED: %d\n", ret); + return ret; + } + pm860x_led_set(&data->cdev, 0); ++ ++ platform_set_drvdata(pdev, data); ++ + return 0; + } + ++static int pm860x_led_remove(struct platform_device *pdev) ++{ ++ struct pm860x_led *data = platform_get_drvdata(pdev); ++ ++ led_classdev_unregister(&data->cdev); ++ ++ return 0; ++} + + static struct platform_driver pm860x_led_driver = { + .driver = { + .name = "88pm860x-led", + }, + .probe = pm860x_led_probe, ++ .remove = pm860x_led_remove, + }; + + module_platform_driver(pm860x_led_driver); +diff --git a/drivers/leds/leds-da903x.c b/drivers/leds/leds-da903x.c +index 5ff7d72f73aa..ecc265bb69a0 100644 +--- a/drivers/leds/leds-da903x.c ++++ b/drivers/leds/leds-da903x.c +@@ -113,12 +113,23 @@ static int da903x_led_probe(struct platform_device *pdev) + led->flags = pdata->flags; + led->master = pdev->dev.parent; + +- ret = devm_led_classdev_register(led->master, &led->cdev); ++ ret = led_classdev_register(led->master, &led->cdev); + if (ret) { + dev_err(&pdev->dev, "failed to register LED %d\n", id); + return ret; + } + ++ platform_set_drvdata(pdev, led); ++ ++ return 0; ++} ++ ++static int da903x_led_remove(struct platform_device *pdev) ++{ ++ struct da903x_led *led = platform_get_drvdata(pdev); ++ ++ led_classdev_unregister(&led->cdev); ++ + return 0; + } + +@@ -127,6 +138,7 @@ static struct platform_driver da903x_led_driver = { + .name = "da903x-led", + }, + .probe = da903x_led_probe, ++ .remove = da903x_led_remove, + }; + + module_platform_driver(da903x_led_driver); +diff --git a/drivers/leds/leds-lm3533.c b/drivers/leds/leds-lm3533.c +index 72224b599ffc..c1e562a4d6ad 100644 +--- a/drivers/leds/leds-lm3533.c ++++ b/drivers/leds/leds-lm3533.c +@@ -698,7 +698,7 @@ static int lm3533_led_probe(struct platform_device *pdev) + + platform_set_drvdata(pdev, led); + +- ret = devm_led_classdev_register(pdev->dev.parent, &led->cdev); ++ ret = led_classdev_register(pdev->dev.parent, &led->cdev); + if (ret) { + dev_err(&pdev->dev, "failed to register LED %d\n", pdev->id); + return ret; +@@ -708,13 +708,18 @@ static int lm3533_led_probe(struct platform_device *pdev) + + ret = lm3533_led_setup(led, pdata); + if (ret) +- return ret; ++ goto err_deregister; + + ret = lm3533_ctrlbank_enable(&led->cb); + if (ret) +- return ret; ++ goto err_deregister; + + return 0; ++ ++err_deregister: ++ led_classdev_unregister(&led->cdev); ++ ++ return ret; + } + + static int lm3533_led_remove(struct platform_device *pdev) +@@ -724,6 +729,7 @@ static int lm3533_led_remove(struct platform_device *pdev) + dev_dbg(&pdev->dev, "%s\n", __func__); + + lm3533_ctrlbank_disable(&led->cb); ++ led_classdev_unregister(&led->cdev); + + return 0; + } +diff --git a/drivers/leds/leds-wm831x-status.c b/drivers/leds/leds-wm831x-status.c +index c5798b92e4d3..d926edcb04ee 100644 +--- a/drivers/leds/leds-wm831x-status.c ++++ b/drivers/leds/leds-wm831x-status.c +@@ -273,12 +273,23 @@ static int wm831x_status_probe(struct platform_device *pdev) + drvdata->cdev.blink_set = wm831x_status_blink_set; + drvdata->cdev.groups = wm831x_status_groups; + +- ret = devm_led_classdev_register(wm831x->dev, &drvdata->cdev); ++ ret = led_classdev_register(wm831x->dev, &drvdata->cdev); + if (ret < 0) { + dev_err(&pdev->dev, "Failed to register LED: %d\n", ret); + return ret; + } + ++ platform_set_drvdata(pdev, drvdata); ++ ++ return 0; ++} ++ ++static int wm831x_status_remove(struct platform_device *pdev) ++{ ++ struct wm831x_status *drvdata = platform_get_drvdata(pdev); ++ ++ led_classdev_unregister(&drvdata->cdev); ++ + return 0; + } + +@@ -287,6 +298,7 @@ static struct platform_driver wm831x_status_driver = { + .name = "wm831x-status", + }, + .probe = wm831x_status_probe, ++ .remove = wm831x_status_remove, + }; + + module_platform_driver(wm831x_status_driver); +diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c +index 02389528f622..5afc653c09e2 100644 +--- a/drivers/mtd/mtdchar.c ++++ b/drivers/mtd/mtdchar.c +@@ -368,9 +368,6 @@ static int mtdchar_writeoob(struct file *file, struct mtd_info *mtd, + uint32_t retlen; + int ret = 0; + +- if (!(file->f_mode & FMODE_WRITE)) +- return -EPERM; +- + if (length > 4096) + return -EINVAL; + +@@ -655,6 +652,48 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg) + + pr_debug("MTD_ioctl\n"); + ++ /* ++ * Check the file mode to require "dangerous" commands to have write ++ * permissions. ++ */ ++ switch (cmd) { ++ /* "safe" commands */ ++ case MEMGETREGIONCOUNT: ++ case MEMGETREGIONINFO: ++ case MEMGETINFO: ++ case MEMREADOOB: ++ case MEMREADOOB64: ++ case MEMLOCK: ++ case MEMUNLOCK: ++ case MEMISLOCKED: ++ case MEMGETOOBSEL: ++ case MEMGETBADBLOCK: ++ case MEMSETBADBLOCK: ++ case OTPSELECT: ++ case OTPGETREGIONCOUNT: ++ case OTPGETREGIONINFO: ++ case OTPLOCK: ++ case ECCGETLAYOUT: ++ case ECCGETSTATS: ++ case MTDFILEMODE: ++ case BLKPG: ++ case BLKRRPART: ++ break; ++ ++ /* "dangerous" commands */ ++ case MEMERASE: ++ case MEMERASE64: ++ case MEMWRITEOOB: ++ case MEMWRITEOOB64: ++ case MEMWRITE: ++ if (!(file->f_mode & FMODE_WRITE)) ++ return -EPERM; ++ break; ++ ++ default: ++ return -ENOTTY; ++ } ++ + switch (cmd) { + case MEMGETREGIONCOUNT: + if (copy_to_user(argp, &(mtd->numeraseregions), sizeof(int))) +@@ -702,9 +741,6 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg) + { + struct erase_info *erase; + +- if(!(file->f_mode & FMODE_WRITE)) +- return -EPERM; +- + erase=kzalloc(sizeof(struct erase_info),GFP_KERNEL); + if (!erase) + ret = -ENOMEM; +@@ -997,9 +1033,6 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg) + ret = 0; + break; + } +- +- default: +- ret = -ENOTTY; + } + + return ret; +@@ -1043,6 +1076,11 @@ static long mtdchar_compat_ioctl(struct file *file, unsigned int cmd, + struct mtd_oob_buf32 buf; + struct mtd_oob_buf32 __user *buf_user = argp; + ++ if (!(file->f_mode & FMODE_WRITE)) { ++ ret = -EPERM; ++ break; ++ } ++ + if (copy_from_user(&buf, argp, sizeof(buf))) + ret = -EFAULT; + else +diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c +index dca02b35c231..99eea9e6a8ea 100644 +--- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c ++++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c +@@ -2015,11 +2015,11 @@ static void nicvf_set_rx_mode_task(struct work_struct *work_arg) + /* Save message data locally to prevent them from + * being overwritten by next ndo_set_rx_mode call(). + */ +- spin_lock(&nic->rx_mode_wq_lock); ++ spin_lock_bh(&nic->rx_mode_wq_lock); + mode = vf_work->mode; + mc = vf_work->mc; + vf_work->mc = NULL; +- spin_unlock(&nic->rx_mode_wq_lock); ++ spin_unlock_bh(&nic->rx_mode_wq_lock); + + __nicvf_set_rx_mode_task(mode, mc, nic); + } +diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +index 6a677fd540d6..bc4eda52372a 100644 +--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c ++++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +@@ -181,7 +181,7 @@ static inline bool i40e_vc_isvalid_vsi_id(struct i40e_vf *vf, u16 vsi_id) + * check for the valid queue id + **/ + static inline bool i40e_vc_isvalid_queue_id(struct i40e_vf *vf, u16 vsi_id, +- u8 qid) ++ u16 qid) + { + struct i40e_pf *pf = vf->pf; + struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id); +@@ -196,7 +196,7 @@ static inline bool i40e_vc_isvalid_queue_id(struct i40e_vf *vf, u16 vsi_id, + * + * check for the valid vector id + **/ +-static inline bool i40e_vc_isvalid_vector_id(struct i40e_vf *vf, u8 vector_id) ++static inline bool i40e_vc_isvalid_vector_id(struct i40e_vf *vf, u32 vector_id) + { + struct i40e_pf *pf = vf->pf; + +@@ -441,14 +441,28 @@ static int i40e_config_iwarp_qvlist(struct i40e_vf *vf, + u32 v_idx, i, reg_idx, reg; + u32 next_q_idx, next_q_type; + u32 msix_vf, size; ++ int ret = 0; ++ ++ msix_vf = pf->hw.func_caps.num_msix_vectors_vf; ++ ++ if (qvlist_info->num_vectors > msix_vf) { ++ dev_warn(&pf->pdev->dev, ++ "Incorrect number of iwarp vectors %u. Maximum %u allowed.\n", ++ qvlist_info->num_vectors, ++ msix_vf); ++ ret = -EINVAL; ++ goto err_out; ++ } + + size = sizeof(struct virtchnl_iwarp_qvlist_info) + + (sizeof(struct virtchnl_iwarp_qv_info) * + (qvlist_info->num_vectors - 1)); ++ kfree(vf->qvlist_info); + vf->qvlist_info = kzalloc(size, GFP_KERNEL); +- if (!vf->qvlist_info) +- return -ENOMEM; +- ++ if (!vf->qvlist_info) { ++ ret = -ENOMEM; ++ goto err_out; ++ } + vf->qvlist_info->num_vectors = qvlist_info->num_vectors; + + msix_vf = pf->hw.func_caps.num_msix_vectors_vf; +@@ -459,8 +473,10 @@ static int i40e_config_iwarp_qvlist(struct i40e_vf *vf, + v_idx = qv_info->v_idx; + + /* Validate vector id belongs to this vf */ +- if (!i40e_vc_isvalid_vector_id(vf, v_idx)) +- goto err; ++ if (!i40e_vc_isvalid_vector_id(vf, v_idx)) { ++ ret = -EINVAL; ++ goto err_free; ++ } + + vf->qvlist_info->qv_info[i] = *qv_info; + +@@ -502,10 +518,11 @@ static int i40e_config_iwarp_qvlist(struct i40e_vf *vf, + } + + return 0; +-err: ++err_free: + kfree(vf->qvlist_info); + vf->qvlist_info = NULL; +- return -EINVAL; ++err_out: ++ return ret; + } + + /** +@@ -3335,7 +3352,7 @@ static int i40e_vc_add_cloud_filter(struct i40e_vf *vf, u8 *msg) + + if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) { + aq_ret = I40E_ERR_PARAM; +- goto err; ++ goto err_out; + } + + if (!vf->adq_enabled) { +@@ -3343,15 +3360,15 @@ static int i40e_vc_add_cloud_filter(struct i40e_vf *vf, u8 *msg) + "VF %d: ADq is not enabled, can't apply cloud filter\n", + vf->vf_id); + aq_ret = I40E_ERR_PARAM; +- goto err; ++ goto err_out; + } + + if (i40e_validate_cloud_filter(vf, vcf)) { + dev_info(&pf->pdev->dev, + "VF %d: Invalid input/s, can't apply cloud filter\n", + vf->vf_id); +- aq_ret = I40E_ERR_PARAM; +- goto err; ++ aq_ret = I40E_ERR_PARAM; ++ goto err_out; + } + + cfilter = kzalloc(sizeof(*cfilter), GFP_KERNEL); +@@ -3412,13 +3429,17 @@ static int i40e_vc_add_cloud_filter(struct i40e_vf *vf, u8 *msg) + "VF %d: Failed to add cloud filter, err %s aq_err %s\n", + vf->vf_id, i40e_stat_str(&pf->hw, ret), + i40e_aq_str(&pf->hw, pf->hw.aq.asq_last_status)); +- goto err; ++ goto err_free; + } + + INIT_HLIST_NODE(&cfilter->cloud_node); + hlist_add_head(&cfilter->cloud_node, &vf->cloud_filter_list); ++ /* release the pointer passing it to the collection */ ++ cfilter = NULL; + vf->num_cloud_filters++; +-err: ++err_free: ++ kfree(cfilter); ++err_out: + return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ADD_CLOUD_FILTER, + aq_ret); + } +diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c +index 36db874f3c92..d85eb80d8249 100644 +--- a/drivers/net/ethernet/intel/igb/igb_main.c ++++ b/drivers/net/ethernet/intel/igb/igb_main.c +@@ -6226,9 +6226,18 @@ static void igb_reset_task(struct work_struct *work) + struct igb_adapter *adapter; + adapter = container_of(work, struct igb_adapter, reset_task); + ++ rtnl_lock(); ++ /* If we're already down or resetting, just bail */ ++ if (test_bit(__IGB_DOWN, &adapter->state) || ++ test_bit(__IGB_RESETTING, &adapter->state)) { ++ rtnl_unlock(); ++ return; ++ } ++ + igb_dump(adapter); + netdev_err(adapter->netdev, "Reset adapter\n"); + igb_reinit_locked(adapter); ++ rtnl_unlock(); + } + + /** +diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +index 1d55f014725e..b72a4fad7bc8 100644 +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -2452,6 +2452,8 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np) + eth->netdev[id]->irq = eth->irq[0]; + eth->netdev[id]->dev.of_node = np; + ++ eth->netdev[id]->max_mtu = MTK_MAX_RX_LENGTH - MTK_RX_ETH_HLEN; ++ + return 0; + + free_netdev: +diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c +index bdb55db4523b..e33cbb793b63 100644 +--- a/drivers/net/hyperv/netvsc_drv.c ++++ b/drivers/net/hyperv/netvsc_drv.c +@@ -543,12 +543,13 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net) + u32 hash; + struct hv_page_buffer pb[MAX_PAGE_BUFFER_COUNT]; + +- /* if VF is present and up then redirect packets +- * already called with rcu_read_lock_bh ++ /* If VF is present and up then redirect packets to it. ++ * Skip the VF if it is marked down or has no carrier. ++ * If netpoll is in uses, then VF can not be used either. + */ + vf_netdev = rcu_dereference_bh(net_device_ctx->vf_netdev); + if (vf_netdev && netif_running(vf_netdev) && +- !netpoll_tx_running(net)) ++ netif_carrier_ok(vf_netdev) && !netpoll_tx_running(net)) + return netvsc_vf_xmit(net, vf_netdev, skb); + + /* We will atmost need two pages to describe the rndis +diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c +index 61b9d3368148..bff268b4a9a4 100644 +--- a/drivers/net/usb/hso.c ++++ b/drivers/net/usb/hso.c +@@ -2274,12 +2274,14 @@ static int hso_serial_common_create(struct hso_serial *serial, int num_urbs, + + minor = get_free_serial_index(); + if (minor < 0) +- goto exit; ++ goto exit2; + + /* register our minor number */ + serial->parent->dev = tty_port_register_device_attr(&serial->port, + tty_drv, minor, &serial->parent->interface->dev, + serial->parent, hso_serial_dev_groups); ++ if (IS_ERR(serial->parent->dev)) ++ goto exit2; + + /* fill in specific data for later use */ + serial->minor = minor; +@@ -2324,6 +2326,7 @@ static int hso_serial_common_create(struct hso_serial *serial, int num_urbs, + return 0; + exit: + hso_serial_tty_unregister(serial); ++exit2: + hso_serial_common_free(serial); + return -1; + } +diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c +index d198f36785a4..5bd07cdb3e6e 100644 +--- a/drivers/net/usb/lan78xx.c ++++ b/drivers/net/usb/lan78xx.c +@@ -388,10 +388,6 @@ struct lan78xx_net { + struct tasklet_struct bh; + struct delayed_work wq; + +- struct usb_host_endpoint *ep_blkin; +- struct usb_host_endpoint *ep_blkout; +- struct usb_host_endpoint *ep_intr; +- + int msg_enable; + + struct urb *urb_intr; +@@ -2883,78 +2879,12 @@ lan78xx_start_xmit(struct sk_buff *skb, struct net_device *net) + return NETDEV_TX_OK; + } + +-static int +-lan78xx_get_endpoints(struct lan78xx_net *dev, struct usb_interface *intf) +-{ +- int tmp; +- struct usb_host_interface *alt = NULL; +- struct usb_host_endpoint *in = NULL, *out = NULL; +- struct usb_host_endpoint *status = NULL; +- +- for (tmp = 0; tmp < intf->num_altsetting; tmp++) { +- unsigned ep; +- +- in = NULL; +- out = NULL; +- status = NULL; +- alt = intf->altsetting + tmp; +- +- for (ep = 0; ep < alt->desc.bNumEndpoints; ep++) { +- struct usb_host_endpoint *e; +- int intr = 0; +- +- e = alt->endpoint + ep; +- switch (e->desc.bmAttributes) { +- case USB_ENDPOINT_XFER_INT: +- if (!usb_endpoint_dir_in(&e->desc)) +- continue; +- intr = 1; +- /* FALLTHROUGH */ +- case USB_ENDPOINT_XFER_BULK: +- break; +- default: +- continue; +- } +- if (usb_endpoint_dir_in(&e->desc)) { +- if (!intr && !in) +- in = e; +- else if (intr && !status) +- status = e; +- } else { +- if (!out) +- out = e; +- } +- } +- if (in && out) +- break; +- } +- if (!alt || !in || !out) +- return -EINVAL; +- +- dev->pipe_in = usb_rcvbulkpipe(dev->udev, +- in->desc.bEndpointAddress & +- USB_ENDPOINT_NUMBER_MASK); +- dev->pipe_out = usb_sndbulkpipe(dev->udev, +- out->desc.bEndpointAddress & +- USB_ENDPOINT_NUMBER_MASK); +- dev->ep_intr = status; +- +- return 0; +-} +- + static int lan78xx_bind(struct lan78xx_net *dev, struct usb_interface *intf) + { + struct lan78xx_priv *pdata = NULL; + int ret; + int i; + +- ret = lan78xx_get_endpoints(dev, intf); +- if (ret) { +- netdev_warn(dev->net, "lan78xx_get_endpoints failed: %d\n", +- ret); +- return ret; +- } +- + dev->data[0] = (unsigned long)kzalloc(sizeof(*pdata), GFP_KERNEL); + + pdata = (struct lan78xx_priv *)(dev->data[0]); +@@ -3726,6 +3656,7 @@ static void lan78xx_stat_monitor(struct timer_list *t) + static int lan78xx_probe(struct usb_interface *intf, + const struct usb_device_id *id) + { ++ struct usb_host_endpoint *ep_blkin, *ep_blkout, *ep_intr; + struct lan78xx_net *dev; + struct net_device *netdev; + struct usb_device *udev; +@@ -3774,6 +3705,34 @@ static int lan78xx_probe(struct usb_interface *intf, + + mutex_init(&dev->stats.access_lock); + ++ if (intf->cur_altsetting->desc.bNumEndpoints < 3) { ++ ret = -ENODEV; ++ goto out2; ++ } ++ ++ dev->pipe_in = usb_rcvbulkpipe(udev, BULK_IN_PIPE); ++ ep_blkin = usb_pipe_endpoint(udev, dev->pipe_in); ++ if (!ep_blkin || !usb_endpoint_is_bulk_in(&ep_blkin->desc)) { ++ ret = -ENODEV; ++ goto out2; ++ } ++ ++ dev->pipe_out = usb_sndbulkpipe(udev, BULK_OUT_PIPE); ++ ep_blkout = usb_pipe_endpoint(udev, dev->pipe_out); ++ if (!ep_blkout || !usb_endpoint_is_bulk_out(&ep_blkout->desc)) { ++ ret = -ENODEV; ++ goto out2; ++ } ++ ++ ep_intr = &intf->cur_altsetting->endpoint[2]; ++ if (!usb_endpoint_is_int_in(&ep_intr->desc)) { ++ ret = -ENODEV; ++ goto out2; ++ } ++ ++ dev->pipe_intr = usb_rcvintpipe(dev->udev, ++ usb_endpoint_num(&ep_intr->desc)); ++ + ret = lan78xx_bind(dev, intf); + if (ret < 0) + goto out2; +@@ -3786,23 +3745,7 @@ static int lan78xx_probe(struct usb_interface *intf, + netdev->max_mtu = MAX_SINGLE_PACKET_SIZE; + netif_set_gso_max_size(netdev, MAX_SINGLE_PACKET_SIZE - MAX_HEADER); + +- if (intf->cur_altsetting->desc.bNumEndpoints < 3) { +- ret = -ENODEV; +- goto out3; +- } +- +- dev->ep_blkin = (intf->cur_altsetting)->endpoint + 0; +- dev->ep_blkout = (intf->cur_altsetting)->endpoint + 1; +- dev->ep_intr = (intf->cur_altsetting)->endpoint + 2; +- +- dev->pipe_in = usb_rcvbulkpipe(udev, BULK_IN_PIPE); +- dev->pipe_out = usb_sndbulkpipe(udev, BULK_OUT_PIPE); +- +- dev->pipe_intr = usb_rcvintpipe(dev->udev, +- dev->ep_intr->desc.bEndpointAddress & +- USB_ENDPOINT_NUMBER_MASK); +- period = dev->ep_intr->desc.bInterval; +- ++ period = ep_intr->desc.bInterval; + maxp = usb_maxpacket(dev->udev, dev->pipe_intr, 0); + buf = kmalloc(maxp, GFP_KERNEL); + if (buf) { +diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c +index 09f0b53b2b77..abf85f0ab72f 100644 +--- a/drivers/net/vxlan.c ++++ b/drivers/net/vxlan.c +@@ -975,6 +975,7 @@ static int vxlan_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, + for (h = 0; h < FDB_HASH_SIZE; ++h) { + struct vxlan_fdb *f; + ++ rcu_read_lock(); + hlist_for_each_entry_rcu(f, &vxlan->fdb_head[h], hlist) { + struct vxlan_rdst *rd; + +@@ -987,12 +988,15 @@ static int vxlan_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, + cb->nlh->nlmsg_seq, + RTM_NEWNEIGH, + NLM_F_MULTI, rd); +- if (err < 0) ++ if (err < 0) { ++ rcu_read_unlock(); + goto out; ++ } + skip: + *idx += 1; + } + } ++ rcu_read_unlock(); + } + out: + return err; +@@ -2219,7 +2223,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, + ndst = &rt->dst; + skb_tunnel_check_pmtu(skb, ndst, VXLAN_HEADROOM); + +- tos = ip_tunnel_ecn_encap(RT_TOS(tos), old_iph, skb); ++ tos = ip_tunnel_ecn_encap(tos, old_iph, skb); + ttl = ttl ? : ip4_dst_hoplimit(&rt->dst); + err = vxlan_build_skb(skb, ndst, sizeof(struct iphdr), + vni, md, flags, udp_sum); +@@ -2256,7 +2260,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, + + skb_tunnel_check_pmtu(skb, ndst, VXLAN6_HEADROOM); + +- tos = ip_tunnel_ecn_encap(RT_TOS(tos), old_iph, skb); ++ tos = ip_tunnel_ecn_encap(tos, old_iph, skb); + ttl = ttl ? : ip6_dst_hoplimit(ndst); + skb_scrub_packet(skb, xnet); + err = vxlan_build_skb(skb, ndst, sizeof(struct ipv6hdr), +diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c +index e3df4bf521b5..a97bbd89fae2 100644 +--- a/drivers/staging/android/ashmem.c ++++ b/drivers/staging/android/ashmem.c +@@ -95,6 +95,15 @@ static DEFINE_MUTEX(ashmem_mutex); + static struct kmem_cache *ashmem_area_cachep __read_mostly; + static struct kmem_cache *ashmem_range_cachep __read_mostly; + ++/* ++ * A separate lockdep class for the backing shmem inodes to resolve the lockdep ++ * warning about the race between kswapd taking fs_reclaim before inode_lock ++ * and write syscall taking inode_lock and then fs_reclaim. ++ * Note that such race is impossible because ashmem does not support write ++ * syscalls operating on the backing shmem. ++ */ ++static struct lock_class_key backing_shmem_inode_class; ++ + static inline unsigned long range_size(struct ashmem_range *range) + { + return range->pgend - range->pgstart + 1; +@@ -395,6 +404,7 @@ static int ashmem_mmap(struct file *file, struct vm_area_struct *vma) + if (!asma->file) { + char *name = ASHMEM_NAME_DEF; + struct file *vmfile; ++ struct inode *inode; + + if (asma->name[ASHMEM_NAME_PREFIX_LEN] != '\0') + name = asma->name; +@@ -406,6 +416,8 @@ static int ashmem_mmap(struct file *file, struct vm_area_struct *vma) + goto out; + } + vmfile->f_mode |= FMODE_LSEEK; ++ inode = file_inode(vmfile); ++ lockdep_set_class(&inode->i_rwsem, &backing_shmem_inode_class); + asma->file = vmfile; + /* + * override mmap operation of the vmfile so that it can't be +diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c +index 9b02e3e3f998..1a6a23e57201 100644 +--- a/drivers/usb/host/xhci-pci.c ++++ b/drivers/usb/host/xhci-pci.c +@@ -47,7 +47,10 @@ + #define PCI_DEVICE_ID_AMD_PROMONTORYA_3 0x43ba + #define PCI_DEVICE_ID_AMD_PROMONTORYA_2 0x43bb + #define PCI_DEVICE_ID_AMD_PROMONTORYA_1 0x43bc ++#define PCI_DEVICE_ID_ASMEDIA_1042_XHCI 0x1042 + #define PCI_DEVICE_ID_ASMEDIA_1042A_XHCI 0x1142 ++#define PCI_DEVICE_ID_ASMEDIA_1142_XHCI 0x1242 ++#define PCI_DEVICE_ID_ASMEDIA_2142_XHCI 0x2142 + + static const char hcd_name[] = "xhci_hcd"; + +@@ -226,13 +229,14 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) + xhci->quirks |= XHCI_BROKEN_STREAMS; + + if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA && +- pdev->device == 0x1042) ++ pdev->device == PCI_DEVICE_ID_ASMEDIA_1042_XHCI) + xhci->quirks |= XHCI_BROKEN_STREAMS; + if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA && +- pdev->device == 0x1142) ++ pdev->device == PCI_DEVICE_ID_ASMEDIA_1042A_XHCI) + xhci->quirks |= XHCI_TRUST_TX_LENGTH; + if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA && +- pdev->device == 0x2142) ++ (pdev->device == PCI_DEVICE_ID_ASMEDIA_1142_XHCI || ++ pdev->device == PCI_DEVICE_ID_ASMEDIA_2142_XHCI)) + xhci->quirks |= XHCI_NO_64BIT_SUPPORT; + + if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA && +diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c +index 92875a264b14..9c1ca20d4139 100644 +--- a/drivers/usb/misc/iowarrior.c ++++ b/drivers/usb/misc/iowarrior.c +@@ -2,8 +2,9 @@ + /* + * Native support for the I/O-Warrior USB devices + * +- * Copyright (c) 2003-2005 Code Mercenaries GmbH +- * written by Christian Lucht <lu...@codemercs.com> ++ * Copyright (c) 2003-2005, 2020 Code Mercenaries GmbH ++ * written by Christian Lucht <lu...@codemercs.com> and ++ * Christoph Jung <j...@codemercs.com> + * + * based on + +@@ -817,14 +818,28 @@ static int iowarrior_probe(struct usb_interface *interface, + + /* we have to check the report_size often, so remember it in the endianness suitable for our machine */ + dev->report_size = usb_endpoint_maxp(dev->int_in_endpoint); +- if ((dev->interface->cur_altsetting->desc.bInterfaceNumber == 0) && +- ((dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW56) || +- (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW56AM) || +- (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW28) || +- (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW28L) || +- (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW100))) +- /* IOWarrior56 has wMaxPacketSize different from report size */ +- dev->report_size = 7; ++ ++ /* ++ * Some devices need the report size to be different than the ++ * endpoint size. ++ */ ++ if (dev->interface->cur_altsetting->desc.bInterfaceNumber == 0) { ++ switch (dev->product_id) { ++ case USB_DEVICE_ID_CODEMERCS_IOW56: ++ case USB_DEVICE_ID_CODEMERCS_IOW56AM: ++ dev->report_size = 7; ++ break; ++ ++ case USB_DEVICE_ID_CODEMERCS_IOW28: ++ case USB_DEVICE_ID_CODEMERCS_IOW28L: ++ dev->report_size = 4; ++ break; ++ ++ case USB_DEVICE_ID_CODEMERCS_IOW100: ++ dev->report_size = 13; ++ break; ++ } ++ } + + /* create the urb and buffer for reading */ + dev->int_in_urb = usb_alloc_urb(0, GFP_KERNEL); +diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c +index d147feae83e6..0f60363c1bbc 100644 +--- a/drivers/usb/serial/qcserial.c ++++ b/drivers/usb/serial/qcserial.c +@@ -155,6 +155,7 @@ static const struct usb_device_id id_table[] = { + {DEVICE_SWI(0x1199, 0x9056)}, /* Sierra Wireless Modem */ + {DEVICE_SWI(0x1199, 0x9060)}, /* Sierra Wireless Modem */ + {DEVICE_SWI(0x1199, 0x9061)}, /* Sierra Wireless Modem */ ++ {DEVICE_SWI(0x1199, 0x9062)}, /* Sierra Wireless EM7305 QDL */ + {DEVICE_SWI(0x1199, 0x9063)}, /* Sierra Wireless EM7305 */ + {DEVICE_SWI(0x1199, 0x9070)}, /* Sierra Wireless MC74xx */ + {DEVICE_SWI(0x1199, 0x9071)}, /* Sierra Wireless MC74xx */ +diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c +index bfaa9ec4bc1f..e079b910feb2 100644 +--- a/drivers/video/console/vgacon.c ++++ b/drivers/video/console/vgacon.c +@@ -251,6 +251,10 @@ static void vgacon_scrollback_update(struct vc_data *c, int t, int count) + p = (void *) (c->vc_origin + t * c->vc_size_row); + + while (count--) { ++ if ((vgacon_scrollback_cur->tail + c->vc_size_row) > ++ vgacon_scrollback_cur->size) ++ vgacon_scrollback_cur->tail = 0; ++ + scr_memcpyw(vgacon_scrollback_cur->data + + vgacon_scrollback_cur->tail, + p, c->vc_size_row); +diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dss.c b/drivers/video/fbdev/omap2/omapfb/dss/dss.c +index f0cac9e0eb94..b6c6c24979dd 100644 +--- a/drivers/video/fbdev/omap2/omapfb/dss/dss.c ++++ b/drivers/video/fbdev/omap2/omapfb/dss/dss.c +@@ -844,7 +844,7 @@ static const struct dss_features omap34xx_dss_feats = { + }; + + static const struct dss_features omap3630_dss_feats = { +- .fck_div_max = 32, ++ .fck_div_max = 31, + .dss_fck_multiplier = 1, + .parent_clk_name = "dpll4_ck", + .dpi_select_source = &dss_dpi_select_source_omap2_omap3, +diff --git a/fs/xattr.c b/fs/xattr.c +index 0d6a6a4af861..470ee0af3200 100644 +--- a/fs/xattr.c ++++ b/fs/xattr.c +@@ -203,10 +203,22 @@ int __vfs_setxattr_noperm(struct dentry *dentry, const char *name, + return error; + } + +- ++/** ++ * __vfs_setxattr_locked: set an extended attribute while holding the inode ++ * lock ++ * ++ * @dentry - object to perform setxattr on ++ * @name - xattr name to set ++ * @value - value to set @name to ++ * @size - size of @value ++ * @flags - flags to pass into filesystem operations ++ * @delegated_inode - on return, will contain an inode pointer that ++ * a delegation was broken on, NULL if none. ++ */ + int +-vfs_setxattr(struct dentry *dentry, const char *name, const void *value, +- size_t size, int flags) ++__vfs_setxattr_locked(struct dentry *dentry, const char *name, ++ const void *value, size_t size, int flags, ++ struct inode **delegated_inode) + { + struct inode *inode = dentry->d_inode; + int error; +@@ -215,15 +227,40 @@ vfs_setxattr(struct dentry *dentry, const char *name, const void *value, + if (error) + return error; + +- inode_lock(inode); + error = security_inode_setxattr(dentry, name, value, size, flags); + if (error) + goto out; + ++ error = try_break_deleg(inode, delegated_inode); ++ if (error) ++ goto out; ++ + error = __vfs_setxattr_noperm(dentry, name, value, size, flags); + + out: ++ return error; ++} ++EXPORT_SYMBOL_GPL(__vfs_setxattr_locked); ++ ++int ++vfs_setxattr(struct dentry *dentry, const char *name, const void *value, ++ size_t size, int flags) ++{ ++ struct inode *inode = dentry->d_inode; ++ struct inode *delegated_inode = NULL; ++ int error; ++ ++retry_deleg: ++ inode_lock(inode); ++ error = __vfs_setxattr_locked(dentry, name, value, size, flags, ++ &delegated_inode); + inode_unlock(inode); ++ ++ if (delegated_inode) { ++ error = break_deleg_wait(&delegated_inode); ++ if (!error) ++ goto retry_deleg; ++ } + return error; + } + EXPORT_SYMBOL_GPL(vfs_setxattr); +@@ -377,8 +414,18 @@ __vfs_removexattr(struct dentry *dentry, const char *name) + } + EXPORT_SYMBOL(__vfs_removexattr); + ++/** ++ * __vfs_removexattr_locked: set an extended attribute while holding the inode ++ * lock ++ * ++ * @dentry - object to perform setxattr on ++ * @name - name of xattr to remove ++ * @delegated_inode - on return, will contain an inode pointer that ++ * a delegation was broken on, NULL if none. ++ */ + int +-vfs_removexattr(struct dentry *dentry, const char *name) ++__vfs_removexattr_locked(struct dentry *dentry, const char *name, ++ struct inode **delegated_inode) + { + struct inode *inode = dentry->d_inode; + int error; +@@ -387,11 +434,14 @@ vfs_removexattr(struct dentry *dentry, const char *name) + if (error) + return error; + +- inode_lock(inode); + error = security_inode_removexattr(dentry, name); + if (error) + goto out; + ++ error = try_break_deleg(inode, delegated_inode); ++ if (error) ++ goto out; ++ + error = __vfs_removexattr(dentry, name); + + if (!error) { +@@ -400,12 +450,32 @@ vfs_removexattr(struct dentry *dentry, const char *name) + } + + out: ++ return error; ++} ++EXPORT_SYMBOL_GPL(__vfs_removexattr_locked); ++ ++int ++vfs_removexattr(struct dentry *dentry, const char *name) ++{ ++ struct inode *inode = dentry->d_inode; ++ struct inode *delegated_inode = NULL; ++ int error; ++ ++retry_deleg: ++ inode_lock(inode); ++ error = __vfs_removexattr_locked(dentry, name, &delegated_inode); + inode_unlock(inode); ++ ++ if (delegated_inode) { ++ error = break_deleg_wait(&delegated_inode); ++ if (!error) ++ goto retry_deleg; ++ } ++ + return error; + } + EXPORT_SYMBOL_GPL(vfs_removexattr); + +- + /* + * Extended attribute SET operations + */ +diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h +index c43e694fef7d..35461d49d3ae 100644 +--- a/include/linux/hyperv.h ++++ b/include/linux/hyperv.h +@@ -428,6 +428,8 @@ enum vmbus_channel_message_type { + CHANNELMSG_19 = 19, + CHANNELMSG_20 = 20, + CHANNELMSG_TL_CONNECT_REQUEST = 21, ++ CHANNELMSG_22 = 22, ++ CHANNELMSG_TL_CONNECT_RESULT = 23, + CHANNELMSG_COUNT + }; + +diff --git a/include/linux/xattr.h b/include/linux/xattr.h +index 6dad031be3c2..3a71ad716da5 100644 +--- a/include/linux/xattr.h ++++ b/include/linux/xattr.h +@@ -51,8 +51,10 @@ ssize_t vfs_getxattr(struct dentry *, const char *, void *, size_t); + ssize_t vfs_listxattr(struct dentry *d, char *list, size_t size); + int __vfs_setxattr(struct dentry *, struct inode *, const char *, const void *, size_t, int); + int __vfs_setxattr_noperm(struct dentry *, const char *, const void *, size_t, int); ++int __vfs_setxattr_locked(struct dentry *, const char *, const void *, size_t, int, struct inode **); + int vfs_setxattr(struct dentry *, const char *, const void *, size_t, int); + int __vfs_removexattr(struct dentry *, const char *); ++int __vfs_removexattr_locked(struct dentry *, const char *, struct inode **); + int vfs_removexattr(struct dentry *, const char *); + + ssize_t generic_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size); +diff --git a/include/net/addrconf.h b/include/net/addrconf.h +index c8d5bb8b3616..db2a87981dd4 100644 +--- a/include/net/addrconf.h ++++ b/include/net/addrconf.h +@@ -305,6 +305,7 @@ int ipv6_sock_ac_join(struct sock *sk, int ifindex, + const struct in6_addr *addr); + int ipv6_sock_ac_drop(struct sock *sk, int ifindex, + const struct in6_addr *addr); ++void __ipv6_sock_ac_close(struct sock *sk); + void ipv6_sock_ac_close(struct sock *sk); + + int __ipv6_dev_ac_inc(struct inet6_dev *idev, const struct in6_addr *addr); +diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c +index d28c2cc9618f..b6dcb40fa8a7 100644 +--- a/net/9p/trans_fd.c ++++ b/net/9p/trans_fd.c +@@ -831,20 +831,28 @@ static int p9_fd_open(struct p9_client *client, int rfd, int wfd) + return -ENOMEM; + + ts->rd = fget(rfd); ++ if (!ts->rd) ++ goto out_free_ts; ++ if (!(ts->rd->f_mode & FMODE_READ)) ++ goto out_put_rd; + ts->wr = fget(wfd); +- if (!ts->rd || !ts->wr) { +- if (ts->rd) +- fput(ts->rd); +- if (ts->wr) +- fput(ts->wr); +- kfree(ts); +- return -EIO; +- } ++ if (!ts->wr) ++ goto out_put_rd; ++ if (!(ts->wr->f_mode & FMODE_WRITE)) ++ goto out_put_wr; + + client->trans = ts; + client->status = Connected; + + return 0; ++ ++out_put_wr: ++ fput(ts->wr); ++out_put_rd: ++ fput(ts->rd); ++out_free_ts: ++ kfree(ts); ++ return -EIO; + } + + static int p9_socket_open(struct p9_client *client, struct socket *csocket) +diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c +index cdb92b129906..2b4a7cf03041 100644 +--- a/net/bluetooth/hci_event.c ++++ b/net/bluetooth/hci_event.c +@@ -2360,7 +2360,7 @@ static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) + + BT_DBG("%s num_rsp %d", hdev->name, num_rsp); + +- if (!num_rsp) ++ if (!num_rsp || skb->len < num_rsp * sizeof(*info) + 1) + return; + + if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) +@@ -3948,6 +3948,9 @@ static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, + struct inquiry_info_with_rssi_and_pscan_mode *info; + info = (void *) (skb->data + 1); + ++ if (skb->len < num_rsp * sizeof(*info) + 1) ++ goto unlock; ++ + for (; num_rsp; num_rsp--, info++) { + u32 flags; + +@@ -3969,6 +3972,9 @@ static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, + } else { + struct inquiry_info_with_rssi *info = (void *) (skb->data + 1); + ++ if (skb->len < num_rsp * sizeof(*info) + 1) ++ goto unlock; ++ + for (; num_rsp; num_rsp--, info++) { + u32 flags; + +@@ -3989,6 +3995,7 @@ static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, + } + } + ++unlock: + hci_dev_unlock(hdev); + } + +@@ -4151,7 +4158,7 @@ static void hci_extended_inquiry_result_evt(struct hci_dev *hdev, + + BT_DBG("%s num_rsp %d", hdev->name, num_rsp); + +- if (!num_rsp) ++ if (!num_rsp || skb->len < num_rsp * sizeof(*info) + 1) + return; + + if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) +diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c +index 3047fc4737c4..48d7125501b4 100644 +--- a/net/ipv4/fib_trie.c ++++ b/net/ipv4/fib_trie.c +@@ -1749,7 +1749,7 @@ struct fib_table *fib_trie_unmerge(struct fib_table *oldtb) + while ((l = leaf_walk_rcu(&tp, key)) != NULL) { + struct key_vector *local_l = NULL, *local_tp; + +- hlist_for_each_entry_rcu(fa, &l->leaf, fa_list) { ++ hlist_for_each_entry(fa, &l->leaf, fa_list) { + struct fib_alias *new_fa; + + if (local_tb->tb_id != fa->tb_id) +diff --git a/net/ipv4/gre_offload.c b/net/ipv4/gre_offload.c +index 6c63524f598a..89c613f19566 100644 +--- a/net/ipv4/gre_offload.c ++++ b/net/ipv4/gre_offload.c +@@ -19,12 +19,12 @@ static struct sk_buff *gre_gso_segment(struct sk_buff *skb, + netdev_features_t features) + { + int tnl_hlen = skb_inner_mac_header(skb) - skb_transport_header(skb); ++ bool need_csum, need_recompute_csum, gso_partial; + struct sk_buff *segs = ERR_PTR(-EINVAL); + u16 mac_offset = skb->mac_header; + __be16 protocol = skb->protocol; + u16 mac_len = skb->mac_len; + int gre_offset, outer_hlen; +- bool need_csum, gso_partial; + + if (!skb->encapsulation) + goto out; +@@ -45,6 +45,7 @@ static struct sk_buff *gre_gso_segment(struct sk_buff *skb, + skb->protocol = skb->inner_protocol; + + need_csum = !!(skb_shinfo(skb)->gso_type & SKB_GSO_GRE_CSUM); ++ need_recompute_csum = skb->csum_not_inet; + skb->encap_hdr_csum = need_csum; + + features &= skb->dev->hw_enc_features; +@@ -102,7 +103,15 @@ static struct sk_buff *gre_gso_segment(struct sk_buff *skb, + } + + *(pcsum + 1) = 0; +- *pcsum = gso_make_checksum(skb, 0); ++ if (need_recompute_csum && !skb_is_gso(skb)) { ++ __wsum csum; ++ ++ csum = skb_checksum(skb, gre_offset, ++ skb->len - gre_offset, 0); ++ *pcsum = csum_fold(csum); ++ } else { ++ *pcsum = gso_make_checksum(skb, 0); ++ } + } while ((skb = skb->next)); + out: + return segs; +diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c +index 4e0ff7031edd..55fbe330471c 100644 +--- a/net/ipv6/anycast.c ++++ b/net/ipv6/anycast.c +@@ -173,7 +173,7 @@ int ipv6_sock_ac_drop(struct sock *sk, int ifindex, const struct in6_addr *addr) + return 0; + } + +-void ipv6_sock_ac_close(struct sock *sk) ++void __ipv6_sock_ac_close(struct sock *sk) + { + struct ipv6_pinfo *np = inet6_sk(sk); + struct net_device *dev = NULL; +@@ -181,10 +181,7 @@ void ipv6_sock_ac_close(struct sock *sk) + struct net *net = sock_net(sk); + int prev_index; + +- if (!np->ipv6_ac_list) +- return; +- +- rtnl_lock(); ++ ASSERT_RTNL(); + pac = np->ipv6_ac_list; + np->ipv6_ac_list = NULL; + +@@ -201,6 +198,16 @@ void ipv6_sock_ac_close(struct sock *sk) + sock_kfree_s(sk, pac, sizeof(*pac)); + pac = next; + } ++} ++ ++void ipv6_sock_ac_close(struct sock *sk) ++{ ++ struct ipv6_pinfo *np = inet6_sk(sk); ++ ++ if (!np->ipv6_ac_list) ++ return; ++ rtnl_lock(); ++ __ipv6_sock_ac_close(sk); + rtnl_unlock(); + } + +diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c +index aa54303c43a6..4e1da6cb9ed7 100644 +--- a/net/ipv6/ipv6_sockglue.c ++++ b/net/ipv6/ipv6_sockglue.c +@@ -207,6 +207,7 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname, + + fl6_free_socklist(sk); + __ipv6_sock_mc_close(sk); ++ __ipv6_sock_ac_close(sk); + + /* + * Sock is moving from IPv6 to IPv4 (sk_prot), so +diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c +index 6dcb59f272e1..f8e073ef1a67 100644 +--- a/net/openvswitch/conntrack.c ++++ b/net/openvswitch/conntrack.c +@@ -283,10 +283,6 @@ void ovs_ct_fill_key(const struct sk_buff *skb, struct sw_flow_key *key) + ovs_ct_update_key(skb, NULL, key, false, false); + } + +-#define IN6_ADDR_INITIALIZER(ADDR) \ +- { (ADDR).s6_addr32[0], (ADDR).s6_addr32[1], \ +- (ADDR).s6_addr32[2], (ADDR).s6_addr32[3] } +- + int ovs_ct_put_key(const struct sw_flow_key *swkey, + const struct sw_flow_key *output, struct sk_buff *skb) + { +@@ -308,24 +304,30 @@ int ovs_ct_put_key(const struct sw_flow_key *swkey, + + if (swkey->ct_orig_proto) { + if (swkey->eth.type == htons(ETH_P_IP)) { +- struct ovs_key_ct_tuple_ipv4 orig = { +- output->ipv4.ct_orig.src, +- output->ipv4.ct_orig.dst, +- output->ct.orig_tp.src, +- output->ct.orig_tp.dst, +- output->ct_orig_proto, +- }; ++ struct ovs_key_ct_tuple_ipv4 orig; ++ ++ memset(&orig, 0, sizeof(orig)); ++ orig.ipv4_src = output->ipv4.ct_orig.src; ++ orig.ipv4_dst = output->ipv4.ct_orig.dst; ++ orig.src_port = output->ct.orig_tp.src; ++ orig.dst_port = output->ct.orig_tp.dst; ++ orig.ipv4_proto = output->ct_orig_proto; ++ + if (nla_put(skb, OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4, + sizeof(orig), &orig)) + return -EMSGSIZE; + } else if (swkey->eth.type == htons(ETH_P_IPV6)) { +- struct ovs_key_ct_tuple_ipv6 orig = { +- IN6_ADDR_INITIALIZER(output->ipv6.ct_orig.src), +- IN6_ADDR_INITIALIZER(output->ipv6.ct_orig.dst), +- output->ct.orig_tp.src, +- output->ct.orig_tp.dst, +- output->ct_orig_proto, +- }; ++ struct ovs_key_ct_tuple_ipv6 orig; ++ ++ memset(&orig, 0, sizeof(orig)); ++ memcpy(orig.ipv6_src, output->ipv6.ct_orig.src.s6_addr32, ++ sizeof(orig.ipv6_src)); ++ memcpy(orig.ipv6_dst, output->ipv6.ct_orig.dst.s6_addr32, ++ sizeof(orig.ipv6_dst)); ++ orig.src_port = output->ct.orig_tp.src; ++ orig.dst_port = output->ct.orig_tp.dst; ++ orig.ipv6_proto = output->ct_orig_proto; ++ + if (nla_put(skb, OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6, + sizeof(orig), &orig)) + return -EMSGSIZE; +diff --git a/net/rxrpc/call_object.c b/net/rxrpc/call_object.c +index 964c4e45de11..39f5fa3501ff 100644 +--- a/net/rxrpc/call_object.c ++++ b/net/rxrpc/call_object.c +@@ -290,7 +290,7 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx, + */ + ret = rxrpc_connect_call(rx, call, cp, srx, gfp); + if (ret < 0) +- goto error; ++ goto error_attached_to_socket; + + trace_rxrpc_call(call, rxrpc_call_connected, atomic_read(&call->usage), + here, NULL); +@@ -310,18 +310,29 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx, + error_dup_user_ID: + write_unlock(&rx->call_lock); + release_sock(&rx->sk); +- ret = -EEXIST; +- +-error: + __rxrpc_set_call_completion(call, RXRPC_CALL_LOCAL_ERROR, +- RX_CALL_DEAD, ret); ++ RX_CALL_DEAD, -EEXIST); + trace_rxrpc_call(call, rxrpc_call_error, atomic_read(&call->usage), +- here, ERR_PTR(ret)); ++ here, ERR_PTR(-EEXIST)); + rxrpc_release_call(rx, call); + mutex_unlock(&call->user_mutex); + rxrpc_put_call(call, rxrpc_call_put); +- _leave(" = %d", ret); +- return ERR_PTR(ret); ++ _leave(" = -EEXIST"); ++ return ERR_PTR(-EEXIST); ++ ++ /* We got an error, but the call is attached to the socket and is in ++ * need of release. However, we might now race with recvmsg() when ++ * completing the call queues it. Return 0 from sys_sendmsg() and ++ * leave the error to recvmsg() to deal with. ++ */ ++error_attached_to_socket: ++ trace_rxrpc_call(call, rxrpc_call_error, atomic_read(&call->usage), ++ here, ERR_PTR(ret)); ++ set_bit(RXRPC_CALL_DISCONNECTED, &call->flags); ++ __rxrpc_set_call_completion(call, RXRPC_CALL_LOCAL_ERROR, ++ RX_CALL_DEAD, ret); ++ _leave(" = c=%08x [err]", call->debug_id); ++ return call; + } + + /* +diff --git a/net/rxrpc/conn_object.c b/net/rxrpc/conn_object.c +index c4c4450891e0..2adb7c5c8966 100644 +--- a/net/rxrpc/conn_object.c ++++ b/net/rxrpc/conn_object.c +@@ -215,9 +215,11 @@ void rxrpc_disconnect_call(struct rxrpc_call *call) + + call->peer->cong_cwnd = call->cong_cwnd; + +- spin_lock_bh(&conn->params.peer->lock); +- hlist_del_rcu(&call->error_link); +- spin_unlock_bh(&conn->params.peer->lock); ++ if (!hlist_unhashed(&call->error_link)) { ++ spin_lock_bh(&call->peer->lock); ++ hlist_del_rcu(&call->error_link); ++ spin_unlock_bh(&call->peer->lock); ++ } + + if (rxrpc_is_client_call(call)) + return rxrpc_disconnect_client_call(call); +diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c +index 6e9d977f0797..e4fde33b887e 100644 +--- a/net/rxrpc/recvmsg.c ++++ b/net/rxrpc/recvmsg.c +@@ -530,7 +530,7 @@ try_again: + goto error_unlock_call; + } + +- if (msg->msg_name) { ++ if (msg->msg_name && call->peer) { + struct sockaddr_rxrpc *srx = msg->msg_name; + size_t len = sizeof(call->peer->srx); + +diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c +index caee7632c257..edd76c41765f 100644 +--- a/net/rxrpc/sendmsg.c ++++ b/net/rxrpc/sendmsg.c +@@ -654,6 +654,9 @@ int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len) + if (IS_ERR(call)) + return PTR_ERR(call); + /* ... and we have the call lock. */ ++ ret = 0; ++ if (READ_ONCE(call->state) == RXRPC_CALL_COMPLETE) ++ goto out_put_unlock; + } else { + switch (READ_ONCE(call->state)) { + case RXRPC_CALL_UNINITIALISED: +diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c +index 0221849b7218..996b68b48a87 100644 +--- a/net/wireless/nl80211.c ++++ b/net/wireless/nl80211.c +@@ -12392,13 +12392,13 @@ static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info) + if (!wdev_running(wdev)) + return -ENETDOWN; + } +- +- if (!vcmd->doit) +- return -EOPNOTSUPP; + } else { + wdev = NULL; + } + ++ if (!vcmd->doit) ++ return -EOPNOTSUPP; ++ + if (info->attrs[NL80211_ATTR_VENDOR_DATA]) { + data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]); + len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]); +diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c +index 371ae368da35..10ee51d04492 100644 +--- a/security/smack/smackfs.c ++++ b/security/smack/smackfs.c +@@ -2746,7 +2746,6 @@ static int smk_open_relabel_self(struct inode *inode, struct file *file) + static ssize_t smk_write_relabel_self(struct file *file, const char __user *buf, + size_t count, loff_t *ppos) + { +- struct task_smack *tsp = current_security(); + char *data; + int rc; + LIST_HEAD(list_tmp); +@@ -2771,11 +2770,21 @@ static ssize_t smk_write_relabel_self(struct file *file, const char __user *buf, + kfree(data); + + if (!rc || (rc == -EINVAL && list_empty(&list_tmp))) { ++ struct cred *new; ++ struct task_smack *tsp; ++ ++ new = prepare_creds(); ++ if (!new) { ++ rc = -ENOMEM; ++ goto out; ++ } ++ tsp = new->security; + smk_destroy_label_list(&tsp->smk_relabel); + list_splice(&list_tmp, &tsp->smk_relabel); ++ commit_creds(new); + return count; + } +- ++out: + smk_destroy_label_list(&list_tmp); + return rc; + } +diff --git a/sound/core/seq/oss/seq_oss.c b/sound/core/seq/oss/seq_oss.c +index e1f44fc86885..ed5bca0db3e7 100644 +--- a/sound/core/seq/oss/seq_oss.c ++++ b/sound/core/seq/oss/seq_oss.c +@@ -181,10 +181,16 @@ static long + odev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) + { + struct seq_oss_devinfo *dp; ++ long rc; ++ + dp = file->private_data; + if (snd_BUG_ON(!dp)) + return -ENXIO; +- return snd_seq_oss_ioctl(dp, cmd, arg); ++ ++ mutex_lock(®ister_mutex); ++ rc = snd_seq_oss_ioctl(dp, cmd, arg); ++ mutex_unlock(®ister_mutex); ++ return rc; + } + + #ifdef CONFIG_COMPAT +diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c +index 8e1eb5f243a2..d43245937db7 100644 +--- a/sound/pci/hda/hda_intel.c ++++ b/sound/pci/hda/hda_intel.c +@@ -2478,7 +2478,6 @@ static int azx_probe_continue(struct azx *chip) + + if (azx_has_pm_runtime(chip)) { + pm_runtime_use_autosuspend(&pci->dev); +- pm_runtime_allow(&pci->dev); + pm_runtime_put_autosuspend(&pci->dev); + } + +diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c +index 382e476629fb..c0fcc8af2a3e 100644 +--- a/tools/lib/traceevent/event-parse.c ++++ b/tools/lib/traceevent/event-parse.c +@@ -2766,6 +2766,7 @@ process_dynamic_array_len(struct event_format *event, struct print_arg *arg, + if (read_expected(EVENT_DELIM, ")") < 0) + goto out_err; + ++ free_token(token); + type = read_token(&token); + *tok = token; + +diff --git a/tools/testing/selftests/net/msg_zerocopy.c b/tools/testing/selftests/net/msg_zerocopy.c +index 406cc70c571d..c539591937a1 100644 +--- a/tools/testing/selftests/net/msg_zerocopy.c ++++ b/tools/testing/selftests/net/msg_zerocopy.c +@@ -125,9 +125,8 @@ static int do_setcpu(int cpu) + CPU_ZERO(&mask); + CPU_SET(cpu, &mask); + if (sched_setaffinity(0, sizeof(mask), &mask)) +- error(1, 0, "setaffinity %d", cpu); +- +- if (cfg_verbose) ++ fprintf(stderr, "cpu: unable to pin, may increase variance.\n"); ++ else if (cfg_verbose) + fprintf(stderr, "cpu: %u\n", cpu); + + return 0;
