[Group.of.nepali.translators] [Bug 1791758] Re: ldisc crash on reopened tty
This bug was fixed in the package linux - 4.19.0-12.13
---
linux (4.19.0-12.13) disco; urgency=medium
* linux: 4.19.0-12.13 -proposed tracker (LP: #1813664)
* kernel oops in bcache module (LP: #1793901)
- SAUCE: bcache: never writeback a discard operation
* Disco update: 4.19.18 upstream stable release (LP: #1813611)
- ipv6: Consider sk_bound_dev_if when binding a socket to a v4 mapped
address
- mlxsw: spectrum: Disable lag port TX before removing it
- mlxsw: spectrum_switchdev: Set PVID correctly during VLAN deletion
- net: dsa: mv88x6xxx: mv88e6390 errata
- net, skbuff: do not prefer skb allocation fails early
- qmi_wwan: add MTU default to qmap network interface
- ipv6: Take rcu_read_lock in __inet6_bind for mapped addresses
- net: clear skb->tstamp in bridge forwarding path
- netfilter: ipset: Allow matching on destination MAC address for mac and
ipmac sets
- gpio: pl061: Move irq_chip definition inside struct pl061
- drm/amd/display: Guard against null stream_state in set_crc_source
- drm/amdkfd: fix interrupt spin lock
- ixgbe: allow IPsec Tx offload in VEPA mode
- platform/x86: asus-wmi: Tell the EC the OS will handle the display off
hotkey
- e1000e: allow non-monotonic SYSTIM readings
- usb: typec: tcpm: Do not disconnect link for self powered devices
- selftests/bpf: enable (uncomment) all tests in test_libbpf.sh
- of: overlay: add missing of_node_put() after add new node to changeset
- writeback: don't decrement wb->refcnt if !wb->bdi
- serial: set suppress_bind_attrs flag only if builtin
- bpf: Allow narrow loads with offset > 0
- ALSA: oxfw: add support for APOGEE duet FireWire
- x86/mce: Fix -Wmissing-prototypes warnings
- MIPS: SiByte: Enable swiotlb for SWARM, LittleSur and BigSur
- crypto: ecc - regularize scalar for scalar multiplication
- arm64: perf: set suppress_bind_attrs flag to true
- drm/atomic-helper: Complete fake_commit->flip_done potentially earlier
- clk: meson: meson8b: fix incorrect divider mapping in cpu_scale_table
- samples: bpf: fix: error handling regarding kprobe_events
- usb: gadget: udc: renesas_usb3: add a safety connection way for
forced_b_device
- fpga: altera-cvp: fix probing for multiple FPGAs on the bus
- selinux: always allow mounting submounts
- ASoC: pcm3168a: Don't disable pcm3168a when CONFIG_PM defined
- scsi: qedi: Check for session online before getting iSCSI TLV data.
- drm/amdgpu: Reorder uvd ring init before uvd resume
- rxe: IB_WR_REG_MR does not capture MR's iova field
- efi/libstub: Disable some warnings for x86{,_64}
- jffs2: Fix use of uninitialized delayed_work, lockdep breakage
- clk: imx: make mux parent strings const
- pstore/ram: Do not treat empty buffers as valid
- media: uvcvideo: Refactor teardown of uvc on USB disconnect
- powerpc/xmon: Fix invocation inside lock region
- powerpc/pseries/cpuidle: Fix preempt warning
- media: firewire: Fix app_info parameter type in avc_ca{,_app}_info
- ASoC: use dma_ops of parent device for acp_audio_dma
- media: venus: core: Set dma maximum segment size
- staging: erofs: fix use-after-free of on-stack `z_erofs_vle_unzip_io'
- net: call sk_dst_reset when set SO_DONTROUTE
- scsi: target: use consistent left-aligned ASCII INQUIRY data
- scsi: target/core: Make sure that target_wait_for_sess_cmds() waits long
enough
- selftests: do not macro-expand failed assertion expressions
- arm64: kasan: Increase stack size for KASAN_EXTRA
- clk: imx6q: reset exclusive gates on init
- arm64: Fix minor issues with the dcache_by_line_op macro
- bpf: relax verifier restriction on BPF_MOV | BPF_ALU
- kconfig: fix file name and line number of warn_ignored_character()
- kconfig: fix memory leak when EOF is encountered in quotation
- mmc: atmel-mci: do not assume idle after atmci_request_end
- btrfs: volumes: Make sure there is no overlap of dev extents at mount time
- btrfs: alloc_chunk: fix more DUP stripe size handling
- btrfs: fix use-after-free due to race between replace start and cancel
- btrfs: improve error handling of btrfs_add_link
- tty/serial: do not free trasnmit buffer page under port lock
- perf intel-pt: Fix error with config term "pt=0"
- perf tests ARM: Disable breakpoint tests 32-bit
- perf svghelper: Fix unchecked usage of strncpy()
- perf parse-events: Fix unchecked usage of strncpy()
- perf vendor events intel: Fix Load_Miss_Real_Latency on SKL/SKX
- netfilter: ipt_CLUSTERIP: check MAC address when duplicate config is set
- netfilter: ipt_CLUSTERIP: remove wrong WARN_ON_ONCE in netns exit routine
- netfilter: ipt_CLUSTERIP: fix deadlock in netns exit routine
- x86/topology: Use total_cpus for max logical packages calculation
- dm crypt: use u64 instead of sector_t t
[Group.of.nepali.translators] [Bug 1791758] Re: ldisc crash on reopened tty
This bug was fixed in the package linux - 4.4.0-142.168 --- linux (4.4.0-142.168) xenial; urgency=medium * linux: 4.4.0-142.168 -proposed tracker (LP: #1811846) * Packaging resync (LP: #1786013) - [Packaging] update helper scripts * iptables connlimit allows more connections than the limit when using multiple CPUs (LP: #1811094) - netfilter: xt_connlimit: don't store address in the conn nodes - SAUCE: netfilter: xt_connlimit: remove the 'addr' parameter in add_hlist() - netfilter: nf_conncount: expose connection list interface - netfilter: nf_conncount: Fix garbage collection with zones - netfilter: nf_conncount: fix garbage collection confirm race - netfilter: nf_conncount: don't skip eviction when age is negative * CVE-2017-5715 - SAUCE: x86/speculation: Cleanup IBPB runtime control handling - SAUCE: x86/speculation: Cleanup IBRS runtime control handling - SAUCE: x86/speculation: Use x86_spec_ctrl_base in entry/exit code - SAUCE: x86/speculation: Move RSB_CTXSW hunk * Xenial update: 4.4.167 upstream stable release (LP: #1811077) - media: em28xx: Fix use-after-free when disconnecting - Revert "wlcore: Add missing PM call for wlcore_cmd_wait_for_event_or_timeout()" - rapidio/rionet: do not free skb before reading its length - s390/qeth: fix length check in SNMP processing - usbnet: ipheth: fix potential recvmsg bug and recvmsg bug 2 - kvm: mmu: Fix race in emulated page table writes - xtensa: enable coprocessors that are being flushed - xtensa: fix coprocessor context offset definitions - Btrfs: ensure path name is null terminated at btrfs_control_ioctl - ALSA: wss: Fix invalid snd_free_pages() at error path - ALSA: ac97: Fix incorrect bit shift at AC97-SPSA control write - ALSA: control: Fix race between adding and removing a user element - ALSA: sparc: Fix invalid snd_free_pages() at error path - ext2: fix potential use after free - dmaengine: at_hdmac: fix memory leak in at_dma_xlate() - dmaengine: at_hdmac: fix module unloading - btrfs: release metadata before running delayed refs - USB: usb-storage: Add new IDs to ums-realtek - usb: core: quirks: add RESET_RESUME quirk for Cherry G230 Stream series - misc: mic/scif: fix copy-paste error in scif_create_remote_lookup - Kbuild: suppress packed-not-aligned warning for default setting only - exec: avoid gcc-8 warning for get_task_comm - disable stringop truncation warnings for now - kobject: Replace strncpy with memcpy - unifdef: use memcpy instead of strncpy - kernfs: Replace strncpy with memcpy - ip_tunnel: Fix name string concatenate in __ip_tunnel_create() - drm: gma500: fix logic error - scsi: bfa: convert to strlcpy/strlcat - staging: rts5208: fix gcc-8 logic error warning - kdb: use memmove instead of overlapping memcpy - iser: set sector for ambiguous mr status errors - uprobes: Fix handle_swbp() vs. unregister() + register() race once more - MIPS: ralink: Fix mt7620 nd_sd pinmux - mips: fix mips_get_syscall_arg o32 check - drm/ast: Fix incorrect free on ioregs - scsi: scsi_devinfo: cleanly zero-pad devinfo strings - ALSA: trident: Suppress gcc string warning - scsi: csiostor: Avoid content leaks and casts - kgdboc: Fix restrict error - kgdboc: Fix warning with module build - leds: call led_pwm_set() in leds-pwm to enforce default LED_OFF - leds: turn off the LED and wait for completion on unregistering LED class device - leds: leds-gpio: Fix return value check in create_gpio_led() - Input: xpad - quirk all PDP Xbox One gamepads - Input: matrix_keypad - check for errors from of_get_named_gpio() - Input: elan_i2c - add ELAN0620 to the ACPI table - Input: elan_i2c - add ACPI ID for Lenovo IdeaPad 330-15ARR - Input: elan_i2c - add support for ELAN0621 touchpad - btrfs: Always try all copies when reading extent buffers - Btrfs: fix use-after-free when dumping free space - ARC: change defconfig defaults to ARCv2 - arc: [devboards] Add support of NFSv3 ACL - mm: cleancache: fix corruption on missed inode invalidation - usb: gadget: dummy: fix nonsensical comparisons - iommu/vt-d: Fix NULL pointer dereference in prq_event_thread() - iommu/ipmmu-vmsa: Fix crash on early domain free - can: rcar_can: Fix erroneous registration - batman-adv: Expand merged fragment buffer for full packet - bnx2x: Assign unique DMAE channel number for FW DMAE transactions. - qed: Fix PTT leak in qed_drain() - qed: Fix reading wrong value in loop condition - net/mlx4_core: Zero out lkey field in SW2HW_MPT fw command - net/mlx4_core: Fix uninitialized variable compilation warning - net/mlx4: Fix UBSAN warning of signed integer overflow - net: faraday: ftmac100: remove netif_running(netdev) check before disabling interrupts
[Group.of.nepali.translators] [Bug 1791758] Re: ldisc crash on reopened tty
This bug was fixed in the package linux - 4.4.0-142.168 --- linux (4.4.0-142.168) xenial; urgency=medium * linux: 4.4.0-142.168 -proposed tracker (LP: #1811846) * Packaging resync (LP: #1786013) - [Packaging] update helper scripts * iptables connlimit allows more connections than the limit when using multiple CPUs (LP: #1811094) - netfilter: xt_connlimit: don't store address in the conn nodes - SAUCE: netfilter: xt_connlimit: remove the 'addr' parameter in add_hlist() - netfilter: nf_conncount: expose connection list interface - netfilter: nf_conncount: Fix garbage collection with zones - netfilter: nf_conncount: fix garbage collection confirm race - netfilter: nf_conncount: don't skip eviction when age is negative * CVE-2017-5715 - SAUCE: x86/speculation: Cleanup IBPB runtime control handling - SAUCE: x86/speculation: Cleanup IBRS runtime control handling - SAUCE: x86/speculation: Use x86_spec_ctrl_base in entry/exit code - SAUCE: x86/speculation: Move RSB_CTXSW hunk * Xenial update: 4.4.167 upstream stable release (LP: #1811077) - media: em28xx: Fix use-after-free when disconnecting - Revert "wlcore: Add missing PM call for wlcore_cmd_wait_for_event_or_timeout()" - rapidio/rionet: do not free skb before reading its length - s390/qeth: fix length check in SNMP processing - usbnet: ipheth: fix potential recvmsg bug and recvmsg bug 2 - kvm: mmu: Fix race in emulated page table writes - xtensa: enable coprocessors that are being flushed - xtensa: fix coprocessor context offset definitions - Btrfs: ensure path name is null terminated at btrfs_control_ioctl - ALSA: wss: Fix invalid snd_free_pages() at error path - ALSA: ac97: Fix incorrect bit shift at AC97-SPSA control write - ALSA: control: Fix race between adding and removing a user element - ALSA: sparc: Fix invalid snd_free_pages() at error path - ext2: fix potential use after free - dmaengine: at_hdmac: fix memory leak in at_dma_xlate() - dmaengine: at_hdmac: fix module unloading - btrfs: release metadata before running delayed refs - USB: usb-storage: Add new IDs to ums-realtek - usb: core: quirks: add RESET_RESUME quirk for Cherry G230 Stream series - misc: mic/scif: fix copy-paste error in scif_create_remote_lookup - Kbuild: suppress packed-not-aligned warning for default setting only - exec: avoid gcc-8 warning for get_task_comm - disable stringop truncation warnings for now - kobject: Replace strncpy with memcpy - unifdef: use memcpy instead of strncpy - kernfs: Replace strncpy with memcpy - ip_tunnel: Fix name string concatenate in __ip_tunnel_create() - drm: gma500: fix logic error - scsi: bfa: convert to strlcpy/strlcat - staging: rts5208: fix gcc-8 logic error warning - kdb: use memmove instead of overlapping memcpy - iser: set sector for ambiguous mr status errors - uprobes: Fix handle_swbp() vs. unregister() + register() race once more - MIPS: ralink: Fix mt7620 nd_sd pinmux - mips: fix mips_get_syscall_arg o32 check - drm/ast: Fix incorrect free on ioregs - scsi: scsi_devinfo: cleanly zero-pad devinfo strings - ALSA: trident: Suppress gcc string warning - scsi: csiostor: Avoid content leaks and casts - kgdboc: Fix restrict error - kgdboc: Fix warning with module build - leds: call led_pwm_set() in leds-pwm to enforce default LED_OFF - leds: turn off the LED and wait for completion on unregistering LED class device - leds: leds-gpio: Fix return value check in create_gpio_led() - Input: xpad - quirk all PDP Xbox One gamepads - Input: matrix_keypad - check for errors from of_get_named_gpio() - Input: elan_i2c - add ELAN0620 to the ACPI table - Input: elan_i2c - add ACPI ID for Lenovo IdeaPad 330-15ARR - Input: elan_i2c - add support for ELAN0621 touchpad - btrfs: Always try all copies when reading extent buffers - Btrfs: fix use-after-free when dumping free space - ARC: change defconfig defaults to ARCv2 - arc: [devboards] Add support of NFSv3 ACL - mm: cleancache: fix corruption on missed inode invalidation - usb: gadget: dummy: fix nonsensical comparisons - iommu/vt-d: Fix NULL pointer dereference in prq_event_thread() - iommu/ipmmu-vmsa: Fix crash on early domain free - can: rcar_can: Fix erroneous registration - batman-adv: Expand merged fragment buffer for full packet - bnx2x: Assign unique DMAE channel number for FW DMAE transactions. - qed: Fix PTT leak in qed_drain() - qed: Fix reading wrong value in loop condition - net/mlx4_core: Zero out lkey field in SW2HW_MPT fw command - net/mlx4_core: Fix uninitialized variable compilation warning - net/mlx4: Fix UBSAN warning of signed integer overflow - net: faraday: ftmac100: remove netif_running(netdev) check before disabling interrupts
[Group.of.nepali.translators] [Bug 1791758] Re: ldisc crash on reopened tty
This bug was fixed in the package linux - 4.15.0-44.47
---
linux (4.15.0-44.47) bionic; urgency=medium
* linux: 4.15.0-44.47 -proposed tracker (LP: #1811419)
* Packaging resync (LP: #1786013)
- [Packaging] update helper scripts
* CPU hard lockup with rigorous writes to NVMe drive (LP: #1810998)
- blk-wbt: pass in enum wbt_flags to get_rq_wait()
- blk-wbt: Avoid lock contention and thundering herd issue in wbt_wait
- blk-wbt: move disable check into get_limit()
- blk-wbt: use wq_has_sleeper() for wq active check
- blk-wbt: fix has-sleeper queueing check
- blk-wbt: abstract out end IO completion handler
- blk-wbt: improve waking of tasks
* To reduce the Realtek USB cardreader power consumption (LP: #1811337)
- mmc: sdhci: Disable 1.8v modes (HS200/HS400/UHS) if controller can't
support
1.8v
- mmc: core: Introduce MMC_CAP_SYNC_RUNTIME_PM
- mmc: rtsx_usb_sdmmc: Don't runtime resume the device while changing led
- mmc: rtsx_usb: Use MMC_CAP2_NO_SDIO
- mmc: rtsx_usb: Enable MMC_CAP_ERASE to allow erase/discard/trim requests
- mmc: rtsx_usb_sdmmc: Re-work runtime PM support
- mmc: rtsx_usb_sdmmc: Re-work card detection/removal support
- memstick: rtsx_usb_ms: Add missing pm_runtime_disable() in probe function
- misc: rtsx_usb: Use USB remote wakeup signaling for card insertion
detection
- memstick: Prevent memstick host from getting runtime suspended during card
detection
- memstick: rtsx_usb_ms: Use ms_dev() helper
- memstick: rtsx_usb_ms: Support runtime power management
* Support non-strict iommu mode on arm64 (LP: #1806488)
- iommu/io-pgtable-arm: Fix race handling in split_blk_unmap()
- iommu/arm-smmu-v3: Implement flush_iotlb_all hook
- iommu/dma: Add support for non-strict mode
- iommu: Add "iommu.strict" command line option
- iommu/io-pgtable-arm: Add support for non-strict mode
- iommu/arm-smmu-v3: Add support for non-strict mode
- iommu/io-pgtable-arm-v7s: Add support for non-strict mode
- iommu/arm-smmu: Support non-strict mode
* ELAN900C:00 04F3:2844 touchscreen doesn't work (LP: #1811335)
- pinctrl: cannonlake: Fix community ordering for H variant
- pinctrl: cannonlake: Fix HOSTSW_OWN register offset of H variant
* Add Cavium ThunderX2 SoC UNCORE PMU driver (LP: #1811200)
- perf: Export perf_event_update_userpage
- Documentation: perf: Add documentation for ThunderX2 PMU uncore driver
- drivers/perf: Add Cavium ThunderX2 SoC UNCORE PMU driver
- [Config] New config CONFIG_THUNDERX2_PMU=m
* Update hisilicon SoC-specific drivers (LP: #1810457)
- SAUCE: Revert "net: hns3: Updates RX packet info fetch in case of multi
BD"
- Revert "UBUNTU: SAUCE: {topost} net: hns3: separate roce from nic when
resetting"
- Revert "UBUNTU: SAUCE: {topost} net: hns3: Use roce handle when calling
roce
callback function"
- Revert "UBUNTU: SAUCE: {topost} net: hns3: Add calling roce callback
function when link status change"
- Revert "UBUNTU: SAUCE: {topost} net: hns3: optimize the process of
notifying
roce client"
- Revert "UBUNTU: SAUCE: {topost} net: hns3: Add pf reset for hip08 RoCE"
- scsi: hisi_sas: Remove depends on HAS_DMA in case of platform dependency
- ethernet: hisilicon: hns: hns_dsaf_mac: Use generic eth_broadcast_addr
- scsi: hisi_sas: consolidate command check in hisi_sas_get_ata_protocol()
- scsi: hisi_sas: remove some unneeded structure members
- scsi: hisi_sas: Introduce hisi_sas_phy_set_linkrate()
- net: hns: Fix the process of adding broadcast addresses to tcam
- net: hns3: remove redundant variable 'protocol'
- scsi: hisi_sas: Drop hisi_sas_slot_abort()
- net: hns: Make many functions static
- net: hns: make hns_dsaf_roce_reset non static
- net: hisilicon: hns: Replace mdelay() with msleep()
- net: hns3: fix return value error while hclge_cmd_csq_clean failed
- net: hns: remove redundant variables 'max_frm' and 'tmp_mac_key'
- net: hns: Mark expected switch fall-through
- net: hns3: Mark expected switch fall-through
- net: hns3: Remove tx ring BD len register in hns3_enet
- net: hns: modify variable type in hns_nic_reuse_page
- net: hns: use eth_get_headlen interface instead of hns_nic_get_headlen
- net: hns3: modify variable type in hns3_nic_reuse_page
- net: hns3: Fix for vf vlan delete failed problem
- net: hns3: Fix for multicast failure
- net: hns3: Fix error of checking used vlan id
- net: hns3: Implement shutdown ops in hns3 pci driver
- net: hns3: Fix for loopback selftest failed problem
- net: hns3: Fix ping exited problem when doing lp selftest
- net: hns3: Preserve vlan 0 in hardware table
- net: hns3: Only update mac configuation when necessary
- net: hns3: Change the dst mac addr of loopback packet
- net: hns3: Remove redundant codes of query ad
[Group.of.nepali.translators] [Bug 1791758] Re: ldisc crash on reopened tty
** Changed in: linux (Ubuntu Trusty) Status: Confirmed => Won't Fix ** Changed in: linux (Ubuntu Xenial) Importance: Undecided => High ** Changed in: linux (Ubuntu Bionic) Importance: Undecided => High ** Changed in: linux (Ubuntu Cosmic) Importance: Undecided => High -- You received this bug notification because you are a member of नेपाली भाषा समायोजकहरुको समूह, which is subscribed to Xenial. Matching subscriptions: Ubuntu 16.04 Bugs https://bugs.launchpad.net/bugs/1791758 Title: ldisc crash on reopened tty Status in linux package in Ubuntu: In Progress Status in linux source package in Trusty: Won't Fix Status in linux source package in Xenial: Confirmed Status in linux source package in Bionic: Confirmed Status in linux source package in Cosmic: Confirmed Bug description: [Impact] The following Oops was discovered by user: [684766.39] BUG: unable to handle kernel paging request at 2268 [684766.667642] IP: [] n_tty_receive_buf_common+0x6a/0xae0 [684766.668487] PGD 8019574fe067 PUD 19574ff067 PMD 0 [684766.669194] Oops: [#1] SMP [684766.669687] Modules linked in: xt_nat dccp_diag dccp tcp_diag udp_diag inet_diag unix_diag xt_connmark ipt_REJECT nf_reject_ipv4 nf_conntrack_netlink nfnetlink veth ip6table_filter ip6_tables xt_tcpmss xt_multiport xt_conntrack iptable_filter xt_CHECKSUM xt_tcpudp iptable_mangle xt_CT iptable_raw ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_comment iptable_nat ip_tables x_tables target_core_mod configfs softdog scini(POE) ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi openvswitch(OE) nf_nat_ipv6 nf_nat_ipv4 nf_nat gre kvm_intel kvm irqbypass ttm crct10dif_pclmul drm_kms_helper crc32_pclmul ghash_clmulni_intel drm aesni_intel aes_x86_64 i2c_piix4 lrw gf128mul fb_sys_fops syscopyarea glue_helper sysfillrect ablk_helper cryptd sysimgblt joydev [684766.679406] input_leds mac_hid serio_raw 8250_fintek br_netfilter bridge stp llc nf_conntrack_proto_gre nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack xfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 psmouse multipath floppy pata_acpi linear dm_multipath [684766.683585] CPU: 15 PID: 7470 Comm: kworker/u40:1 Tainted: P OE 4.4.0-124-generic #148~14.04.1-Ubuntu [684766.684967] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [684766.686062] Workqueue: events_unbound flush_to_ldisc [684766.686703] task: 88165e5d8000 ti: 88170dc2c000 task.ti: 88170dc2c000 [684766.687670] RIP: 0010:[] [] n_tty_receive_buf_common+0x6a/0xae0 [684766.688870] RSP: 0018:88170dc2fd28 EFLAGS: 00010202 [684766.689521] RAX: RBX: 88162c895000 RCX: 0001 [684766.690488] RDX: RSI: 88162c895020 RDI: 8819c2d3d4d8 [684766.691518] RBP: 88170dc2fdc0 R08: 0001 R09: 81ec2ba0 [684766.692480] R10: 0004 R11: R12: 8819c2d3d400 [684766.693423] R13: 8819c45b2670 R14: 8816a358c028 R15: 8819c2d3d400 [684766.694390] FS: () GS:8819d73c() knlGS: [684766.695484] CS: 0010 DS: ES: CR0: 80050033 [684766.696182] CR2: 2268 CR3: 00195752 CR4: 00360670 [684766.697141] DR0: DR1: DR2: [684766.698114] DR3: DR6: fffe0ff0 DR7: 0400 [684766.699079] Stack: [684766.699412] 8819c2d3d4d8 8819c2d3d648 [684766.700467] 8819c2d3d620 8819c9c10400 88170dc2fd68 8106312e [684766.701501] 88170dc2fd78 0001 88162c895020 [684766.702534] Call Trace: [684766.702905] [] ? kvm_sched_clock_read+0x1e/0x30 [684766.703685] [] n_tty_receive_buf2+0x14/0x20 [684766.704505] [] flush_to_ldisc+0xd5/0x120 [684766.705269] [] process_one_work+0x156/0x400 [684766.706008] [] worker_thread+0x11a/0x480 [684766.706686] [] ? rescuer_thread+0x310/0x310 [684766.707386] [] kthread+0xd8/0xf0 [684766.707993] [] ? kthread_park+0x60/0x60 [684766.708664] [] ret_from_fork+0x55/0x80 [684766.709335] [] ? kthread_park+0x60/0x60 [684766.709998] Code: 85 70 ff ff ff e8 97 5f 33 00 49 8d 87 20 02 00 00 c7 45 b4 00 00 00 00 48 89 45 88 49 8d 87 48 02 00 00 48 89 45 80 48 8b 45 b8 <48> 8b b0 68 22 00 00 48 8b 08 89 f0 29 c8 41 f6 87 30 01 00 00 [684766.713290] RIP [] n_tty_receive_buf_common+0x6a/0xae0 [684766.714105] RSP [684766.714609] CR2: 2268 The issue happened in a VM KDUMP was configured, so a full Kernel crashdump was created User has Ubuntu Trusty, Kernel 4.4.0-124 on its VM [Test Case] * Deploy a Trusty KVM instance
[Group.of.nepali.translators] [Bug 1791758] Re: ldisc crash on reopened tty
** Also affects: linux (Ubuntu Cosmic) Importance: Undecided Status: New -- You received this bug notification because you are a member of नेपाली भाषा समायोजकहरुको समूह, which is subscribed to Xenial. Matching subscriptions: Ubuntu 16.04 Bugs https://bugs.launchpad.net/bugs/1791758 Title: ldisc crash on reopened tty Status in linux package in Ubuntu: In Progress Status in linux source package in Trusty: Confirmed Status in linux source package in Xenial: Confirmed Status in linux source package in Bionic: Confirmed Status in linux source package in Cosmic: Confirmed Bug description: [Impact] The following Oops was discovered by user: [684766.39] BUG: unable to handle kernel paging request at 2268 [684766.667642] IP: [] n_tty_receive_buf_common+0x6a/0xae0 [684766.668487] PGD 8019574fe067 PUD 19574ff067 PMD 0 [684766.669194] Oops: [#1] SMP [684766.669687] Modules linked in: xt_nat dccp_diag dccp tcp_diag udp_diag inet_diag unix_diag xt_connmark ipt_REJECT nf_reject_ipv4 nf_conntrack_netlink nfnetlink veth ip6table_filter ip6_tables xt_tcpmss xt_multiport xt_conntrack iptable_filter xt_CHECKSUM xt_tcpudp iptable_mangle xt_CT iptable_raw ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_comment iptable_nat ip_tables x_tables target_core_mod configfs softdog scini(POE) ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi openvswitch(OE) nf_nat_ipv6 nf_nat_ipv4 nf_nat gre kvm_intel kvm irqbypass ttm crct10dif_pclmul drm_kms_helper crc32_pclmul ghash_clmulni_intel drm aesni_intel aes_x86_64 i2c_piix4 lrw gf128mul fb_sys_fops syscopyarea glue_helper sysfillrect ablk_helper cryptd sysimgblt joydev [684766.679406] input_leds mac_hid serio_raw 8250_fintek br_netfilter bridge stp llc nf_conntrack_proto_gre nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack xfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 psmouse multipath floppy pata_acpi linear dm_multipath [684766.683585] CPU: 15 PID: 7470 Comm: kworker/u40:1 Tainted: P OE 4.4.0-124-generic #148~14.04.1-Ubuntu [684766.684967] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [684766.686062] Workqueue: events_unbound flush_to_ldisc [684766.686703] task: 88165e5d8000 ti: 88170dc2c000 task.ti: 88170dc2c000 [684766.687670] RIP: 0010:[] [] n_tty_receive_buf_common+0x6a/0xae0 [684766.688870] RSP: 0018:88170dc2fd28 EFLAGS: 00010202 [684766.689521] RAX: RBX: 88162c895000 RCX: 0001 [684766.690488] RDX: RSI: 88162c895020 RDI: 8819c2d3d4d8 [684766.691518] RBP: 88170dc2fdc0 R08: 0001 R09: 81ec2ba0 [684766.692480] R10: 0004 R11: R12: 8819c2d3d400 [684766.693423] R13: 8819c45b2670 R14: 8816a358c028 R15: 8819c2d3d400 [684766.694390] FS: () GS:8819d73c() knlGS: [684766.695484] CS: 0010 DS: ES: CR0: 80050033 [684766.696182] CR2: 2268 CR3: 00195752 CR4: 00360670 [684766.697141] DR0: DR1: DR2: [684766.698114] DR3: DR6: fffe0ff0 DR7: 0400 [684766.699079] Stack: [684766.699412] 8819c2d3d4d8 8819c2d3d648 [684766.700467] 8819c2d3d620 8819c9c10400 88170dc2fd68 8106312e [684766.701501] 88170dc2fd78 0001 88162c895020 [684766.702534] Call Trace: [684766.702905] [] ? kvm_sched_clock_read+0x1e/0x30 [684766.703685] [] n_tty_receive_buf2+0x14/0x20 [684766.704505] [] flush_to_ldisc+0xd5/0x120 [684766.705269] [] process_one_work+0x156/0x400 [684766.706008] [] worker_thread+0x11a/0x480 [684766.706686] [] ? rescuer_thread+0x310/0x310 [684766.707386] [] kthread+0xd8/0xf0 [684766.707993] [] ? kthread_park+0x60/0x60 [684766.708664] [] ret_from_fork+0x55/0x80 [684766.709335] [] ? kthread_park+0x60/0x60 [684766.709998] Code: 85 70 ff ff ff e8 97 5f 33 00 49 8d 87 20 02 00 00 c7 45 b4 00 00 00 00 48 89 45 88 49 8d 87 48 02 00 00 48 89 45 80 48 8b 45 b8 <48> 8b b0 68 22 00 00 48 8b 08 89 f0 29 c8 41 f6 87 30 01 00 00 [684766.713290] RIP [] n_tty_receive_buf_common+0x6a/0xae0 [684766.714105] RSP [684766.714609] CR2: 2268 The issue happened in a VM KDUMP was configured, so a full Kernel crashdump was created User has Ubuntu Trusty, Kernel 4.4.0-124 on its VM [Test Case] * Deploy a Trusty KVM instance with a LTS Xenial kernel (v4.4 series) * SSH in frequently while system is under load, send commands before the prompt has returned. Check comment #5 for a summary about the upstream proposals
[Group.of.nepali.translators] [Bug 1791758] Re: ldisc crash on reopened tty
** Also affects: linux (Ubuntu Xenial) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Bionic) Importance: Undecided Status: New -- You received this bug notification because you are a member of नेपाली भाषा समायोजकहरुको समूह, which is subscribed to Xenial. Matching subscriptions: Ubuntu 16.04 Bugs https://bugs.launchpad.net/bugs/1791758 Title: ldisc crash on reopened tty Status in linux package in Ubuntu: In Progress Status in linux source package in Trusty: Confirmed Status in linux source package in Xenial: Confirmed Status in linux source package in Bionic: Confirmed Bug description: [Impact] The following Oops was discovered by user: [684766.39] BUG: unable to handle kernel paging request at 2268 [684766.667642] IP: [] n_tty_receive_buf_common+0x6a/0xae0 [684766.668487] PGD 8019574fe067 PUD 19574ff067 PMD 0 [684766.669194] Oops: [#1] SMP [684766.669687] Modules linked in: xt_nat dccp_diag dccp tcp_diag udp_diag inet_diag unix_diag xt_connmark ipt_REJECT nf_reject_ipv4 nf_conntrack_netlink nfnetlink veth ip6table_filter ip6_tables xt_tcpmss xt_multiport xt_conntrack iptable_filter xt_CHECKSUM xt_tcpudp iptable_mangle xt_CT iptable_raw ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_comment iptable_nat ip_tables x_tables target_core_mod configfs softdog scini(POE) ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi openvswitch(OE) nf_nat_ipv6 nf_nat_ipv4 nf_nat gre kvm_intel kvm irqbypass ttm crct10dif_pclmul drm_kms_helper crc32_pclmul ghash_clmulni_intel drm aesni_intel aes_x86_64 i2c_piix4 lrw gf128mul fb_sys_fops syscopyarea glue_helper sysfillrect ablk_helper cryptd sysimgblt joydev [684766.679406] input_leds mac_hid serio_raw 8250_fintek br_netfilter bridge stp llc nf_conntrack_proto_gre nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack xfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 psmouse multipath floppy pata_acpi linear dm_multipath [684766.683585] CPU: 15 PID: 7470 Comm: kworker/u40:1 Tainted: P OE 4.4.0-124-generic #148~14.04.1-Ubuntu [684766.684967] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [684766.686062] Workqueue: events_unbound flush_to_ldisc [684766.686703] task: 88165e5d8000 ti: 88170dc2c000 task.ti: 88170dc2c000 [684766.687670] RIP: 0010:[] [] n_tty_receive_buf_common+0x6a/0xae0 [684766.688870] RSP: 0018:88170dc2fd28 EFLAGS: 00010202 [684766.689521] RAX: RBX: 88162c895000 RCX: 0001 [684766.690488] RDX: RSI: 88162c895020 RDI: 8819c2d3d4d8 [684766.691518] RBP: 88170dc2fdc0 R08: 0001 R09: 81ec2ba0 [684766.692480] R10: 0004 R11: R12: 8819c2d3d400 [684766.693423] R13: 8819c45b2670 R14: 8816a358c028 R15: 8819c2d3d400 [684766.694390] FS: () GS:8819d73c() knlGS: [684766.695484] CS: 0010 DS: ES: CR0: 80050033 [684766.696182] CR2: 2268 CR3: 00195752 CR4: 00360670 [684766.697141] DR0: DR1: DR2: [684766.698114] DR3: DR6: fffe0ff0 DR7: 0400 [684766.699079] Stack: [684766.699412] 8819c2d3d4d8 8819c2d3d648 [684766.700467] 8819c2d3d620 8819c9c10400 88170dc2fd68 8106312e [684766.701501] 88170dc2fd78 0001 88162c895020 [684766.702534] Call Trace: [684766.702905] [] ? kvm_sched_clock_read+0x1e/0x30 [684766.703685] [] n_tty_receive_buf2+0x14/0x20 [684766.704505] [] flush_to_ldisc+0xd5/0x120 [684766.705269] [] process_one_work+0x156/0x400 [684766.706008] [] worker_thread+0x11a/0x480 [684766.706686] [] ? rescuer_thread+0x310/0x310 [684766.707386] [] kthread+0xd8/0xf0 [684766.707993] [] ? kthread_park+0x60/0x60 [684766.708664] [] ret_from_fork+0x55/0x80 [684766.709335] [] ? kthread_park+0x60/0x60 [684766.709998] Code: 85 70 ff ff ff e8 97 5f 33 00 49 8d 87 20 02 00 00 c7 45 b4 00 00 00 00 48 89 45 88 49 8d 87 48 02 00 00 48 89 45 80 48 8b 45 b8 <48> 8b b0 68 22 00 00 48 8b 08 89 f0 29 c8 41 f6 87 30 01 00 00 [684766.713290] RIP [] n_tty_receive_buf_common+0x6a/0xae0 [684766.714105] RSP [684766.714609] CR2: 2268 The issue happened in a VM KDUMP was configured, so a full Kernel crashdump was created User has Ubuntu Trusty, Kernel 4.4.0-124 on its VM [Test Case] * Deploy a Trusty KVM instance with a LTS Xenial kernel (v4.4 series) * SSH in frequently while system is under load, send commands before the prompt has returned. Check comment #5 for a summar
