Package: src:linux Version: 4.9.30-2 Severity: important Dear Maintainer,
The problem outlined in the kernel log capture seems to occur some time after heavy use of Docker containers. I have not been able to reproduce this problem on linux-image-4.9.0-2-amd64 (Kernel version 4.9.18-1), but the problem is difficult for me to reproduce. -- Package-specific info: ** Version: Linux version 4.9.0-3-amd64 (debian-ker...@lists.debian.org) (gcc version 6.3.0 20170516 (Debian 6.3.0-18) ) #1 SMP Debian 4.9.30-2 (2017-06-12) ** Command line: BOOT_IMAGE=/vmlinuz-4.9.0-3-amd64 root=/dev/mapper/hawat-root ro quiet ** Tainted: O (4096) * Out-of-tree module has been loaded. ** Kernel log: Jun 19 20:35:43 hawat kernel: ------------[ cut here ]------------ Jun 19 20:35:43 hawat kernel: WARNING: CPU: 2 PID: 17068 at /build/linux-FT3UnK/linux-4.9.30/net/ipv6/addrconf_core.c:159 in6_dev_finish_destroy+0x65/0xb0 Jun 19 20:35:43 hawat kernel: Modules linked in: xt_nat xt_tcpudp uvcvideo videobuf2_vmalloc snd_usb_audio videobuf2_memops videobuf2_v4l2 videobuf2_core snd_usbmidi_lib videodev snd_rawmidi media snd_seq_device hid_generic usbhid hid fuse tun ctr ccm veth ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter xt_conntrack nf_nat nf_conntrack br_netfilter bridge stp llc dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio libcrc32c snd_hda_codec_hdmi loop pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass intel_cstate nls_ascii arc4 nls_cp437 vfat fat iTCO_wdt iTCO_vendor_support iwlmvm mac80211 btusb btrtl Jun 19 20:35:43 hawat kernel: btbcm btintel efi_pstore iwlwifi evdev joydev pcspkr intel_uncore serio_raw intel_rapl_perf snd_hda_codec_realtek bluetooth snd_hda_codec_generic efivars i915 sg intel_pch_thermal snd_hda_intel rtsx_pci_ms snd_hda_codec cfg80211 memstick snd_hda_core wmi thinkpad_acpi drm_kms_helper nvram snd_hwdep battery rfkill ac snd_pcm drm snd_timer snd soundcore i2c_algo_bit video mei_me lpc_ich mei shpchp button parport_pc ppdev lp parport efivarfs ip_tables x_tables autofs4 ext4 crc16 jbd2 crc32c_generic fscrypto ecb mbcache algif_skcipher af_alg dm_crypt dm_mod sd_mod crct10dif_pclmul crc32_pclmul crc32c_intel rtsx_pci_sdmmc mmc_core ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd psmouse ahci libahci i2c_i801 i2c_smbus libata scsi_mod rtsx_pci xhci_pci Jun 19 20:35:43 hawat kernel: ehci_pci xhci_hcd ehci_hcd e1000e mfd_core ptp usbcore pps_core usb_common thermal Jun 19 20:35:43 hawat kernel: CPU: 2 PID: 17068 Comm: kworker/u16:0 Tainted: G O 4.9.0-3-amd64 #1 Debian 4.9.30-2 Jun 19 20:35:43 hawat kernel: Hardware name: LENOVO 20BXCTO1WW/20BXCTO1WW, BIOS JBET50WW (1.15 ) 06/10/2015 Jun 19 20:35:43 hawat kernel: Workqueue: netns cleanup_net Jun 19 20:35:43 hawat kernel: 0000000000000000 ffffffff89328634 0000000000000000 0000000000000000 Jun 19 20:35:43 hawat kernel: ffffffff89076eae ffff9a3cef81ac00 000000000000009b 0000000000000000 Jun 19 20:35:43 hawat kernel: 0000000000000006 ffffb8924c65fd00 ffffb8924c65fd08 ffffffff895e7f15 Jun 19 20:35:43 hawat kernel: Call Trace: Jun 19 20:35:43 hawat kernel: [<ffffffff89328634>] ? dump_stack+0x5c/0x78 Jun 19 20:35:43 hawat kernel: [<ffffffff89076eae>] ? __warn+0xbe/0xe0 Jun 19 20:35:43 hawat kernel: [<ffffffff895e7f15>] ? in6_dev_finish_destroy+0x65/0xb0 Jun 19 20:35:43 hawat kernel: [<ffffffff895bdf7d>] ? ip6_route_dev_notify+0xdd/0x120 Jun 19 20:35:43 hawat kernel: [<ffffffff89097c35>] ? notifier_call_chain+0x45/0x70 Jun 19 20:35:43 hawat kernel: [<ffffffff89504797>] ? netdev_run_todo+0x147/0x2f0 Jun 19 20:35:43 hawat kernel: [<ffffffff894fcf76>] ? default_device_exit_batch+0x146/0x170 Jun 19 20:35:43 hawat kernel: [<ffffffff890b8b70>] ? finish_wait+0x70/0x70 Jun 19 20:35:43 hawat kernel: [<ffffffff894f5ad7>] ? cleanup_net+0x1c7/0x2b0 Jun 19 20:35:43 hawat kernel: [<ffffffff89090374>] ? process_one_work+0x184/0x410 Jun 19 20:35:43 hawat kernel: [<ffffffff8909064d>] ? worker_thread+0x4d/0x480 Jun 19 20:35:43 hawat kernel: [<ffffffff89090600>] ? process_one_work+0x410/0x410 Jun 19 20:35:43 hawat kernel: [<ffffffff890965c7>] ? kthread+0xd7/0xf0 Jun 19 20:35:43 hawat kernel: [<ffffffff890964f0>] ? kthread_park+0x60/0x60 Jun 19 20:35:43 hawat kernel: [<ffffffff896064f5>] ? ret_from_fork+0x25/0x30 Jun 19 20:35:43 hawat kernel: ---[ end trace b30d757b9249cf22 ]--- Jun 19 20:35:43 hawat kernel: ------------[ cut here ]------------ Jun 19 20:35:43 hawat kernel: WARNING: CPU: 2 PID: 17068 at /build/linux-FT3UnK/linux-4.9.30/net/ipv6/addrconf_core.c:160 in6_dev_finish_destroy+0x7d/0xb0 Jun 19 20:35:43 hawat kernel: Modules linked in: xt_nat xt_tcpudp uvcvideo videobuf2_vmalloc snd_usb_audio videobuf2_memops videobuf2_v4l2 videobuf2_core snd_usbmidi_lib videodev snd_rawmidi media snd_seq_device hid_generic usbhid hid fuse tun ctr ccm veth ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter xt_conntrack nf_nat nf_conntrack br_netfilter bridge stp llc dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio libcrc32c snd_hda_codec_hdmi loop pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass intel_cstate nls_ascii arc4 nls_cp437 vfat fat iTCO_wdt iTCO_vendor_support iwlmvm mac80211 btusb btrtl Jun 19 20:35:43 hawat kernel: btbcm btintel efi_pstore iwlwifi evdev joydev pcspkr intel_uncore serio_raw intel_rapl_perf snd_hda_codec_realtek bluetooth snd_hda_codec_generic efivars i915 sg intel_pch_thermal snd_hda_intel rtsx_pci_ms snd_hda_codec cfg80211 memstick snd_hda_core wmi thinkpad_acpi drm_kms_helper nvram snd_hwdep battery rfkill ac snd_pcm drm snd_timer snd soundcore i2c_algo_bit video mei_me lpc_ich mei shpchp button parport_pc ppdev lp parport efivarfs ip_tables x_tables autofs4 ext4 crc16 jbd2 crc32c_generic fscrypto ecb mbcache algif_skcipher af_alg dm_crypt dm_mod sd_mod crct10dif_pclmul crc32_pclmul crc32c_intel rtsx_pci_sdmmc mmc_core ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd psmouse ahci libahci i2c_i801 i2c_smbus libata scsi_mod rtsx_pci xhci_pci Jun 19 20:35:43 hawat kernel: ehci_pci xhci_hcd ehci_hcd e1000e mfd_core ptp usbcore pps_core usb_common thermal Jun 19 20:35:43 hawat kernel: CPU: 2 PID: 17068 Comm: kworker/u16:0 Tainted: G W O 4.9.0-3-amd64 #1 Debian 4.9.30-2 Jun 19 20:35:43 hawat kernel: Hardware name: LENOVO 20BXCTO1WW/20BXCTO1WW, BIOS JBET50WW (1.15 ) 06/10/2015 Jun 19 20:35:43 hawat kernel: Workqueue: netns cleanup_net Jun 19 20:35:43 hawat kernel: 0000000000000000 ffffffff89328634 0000000000000000 0000000000000000 Jun 19 20:35:43 hawat kernel: ffffffff89076eae ffff9a3cef81ac00 000000000000009b 0000000000000000 Jun 19 20:35:43 hawat kernel: 0000000000000006 ffffb8924c65fd00 ffffb8924c65fd08 ffffffff895e7f2d Jun 19 20:35:43 hawat kernel: Call Trace: Jun 19 20:35:43 hawat kernel: [<ffffffff89328634>] ? dump_stack+0x5c/0x78 Jun 19 20:35:43 hawat kernel: [<ffffffff89076eae>] ? __warn+0xbe/0xe0 Jun 19 20:35:43 hawat kernel: [<ffffffff895e7f2d>] ? in6_dev_finish_destroy+0x7d/0xb0 Jun 19 20:35:43 hawat kernel: [<ffffffff895bdf7d>] ? ip6_route_dev_notify+0xdd/0x120 Jun 19 20:35:43 hawat kernel: [<ffffffff89097c35>] ? notifier_call_chain+0x45/0x70 Jun 19 20:35:43 hawat kernel: [<ffffffff89504797>] ? netdev_run_todo+0x147/0x2f0 Jun 19 20:35:43 hawat kernel: [<ffffffff894fcf76>] ? default_device_exit_batch+0x146/0x170 Jun 19 20:35:43 hawat kernel: [<ffffffff890b8b70>] ? finish_wait+0x70/0x70 Jun 19 20:35:43 hawat kernel: [<ffffffff894f5ad7>] ? cleanup_net+0x1c7/0x2b0 Jun 19 20:35:43 hawat kernel: [<ffffffff89090374>] ? process_one_work+0x184/0x410 Jun 19 20:35:43 hawat kernel: [<ffffffff8909064d>] ? worker_thread+0x4d/0x480 Jun 19 20:35:43 hawat kernel: [<ffffffff89090600>] ? process_one_work+0x410/0x410 Jun 19 20:35:43 hawat kernel: [<ffffffff890965c7>] ? kthread+0xd7/0xf0 Jun 19 20:35:43 hawat kernel: [<ffffffff890964f0>] ? kthread_park+0x60/0x60 Jun 19 20:35:43 hawat kernel: [<ffffffff896064f5>] ? ret_from_fork+0x25/0x30 Jun 19 20:35:43 hawat kernel: ---[ end trace b30d757b9249cf23 ]--- Jun 19 20:35:43 hawat kernel: BUG: unable to handle kernel NULL pointer dereference at 0000000000000543 Jun 19 20:35:43 hawat kernel: IP: [<ffffffff895e7edb>] in6_dev_finish_destroy+0x2b/0xb0 ** Model information sys_vendor: LENOVO product_name: 20BXCTO1WW product_version: ThinkPad T450s chassis_vendor: LENOVO chassis_version: None bios_vendor: LENOVO bios_version: JBET50WW (1.15 ) board_vendor: LENOVO board_name: 20BXCTO1WW board_version: SDK0E50512 STD ** Loaded modules: fuse tun ctr ccm veth ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter xt_conntrack nf_nat nf_conntrack br_netfilter bridge stp llc dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio libcrc32c loop pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass snd_hda_codec_hdmi intel_cstate iTCO_wdt iTCO_vendor_support arc4 nls_ascii nls_cp437 vfat fat iwlmvm mac80211 intel_uncore intel_rapl_perf iwlwifi snd_hda_codec_realtek efi_pstore snd_hda_codec_generic rtsx_pci_ms pcspkr joydev uvcvideo efivars intel_pch_thermal videobuf2_vmalloc videobuf2_memops sg memstick videobuf2_v4l2 serio_raw lpc_ich btusb btrtl videobuf2_core btbcm btintel videodev i915 snd_hda_intel cfg80211 bluetooth snd_usb_audio snd_hda_codec snd_usbmidi_lib snd_hda_core snd_rawmidi thinkpad_acpi evdev snd_seq_device nvram snd_hwdep media wmi rfkill drm_kms_helper ac battery snd_pcm snd_timer drm snd soundcore i2c_algo_bit mei_me mei shpchp video button parport_pc ppdev lp parport efivarfs ip_tables x_tables autofs4 ext4 crc16 jbd2 crc32c_generic fscrypto ecb mbcache algif_skcipher af_alg hid_generic usbhid hid dm_crypt dm_mod sd_mod rtsx_pci_sdmmc mmc_core crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel i2c_i801 ahci libahci i2c_smbus xhci_pci aesni_intel xhci_hcd aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd ehci_pci ehci_hcd psmouse libata scsi_mod rtsx_pci e1000e mfd_core usbcore ptp pps_core usb_common thermal -- System Information: Debian Release: 9.0 APT prefers testing APT policy: (990, 'testing'), (500, 'unstable'), (500, 'stable') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.9.0-3-amd64 (SMP w/4 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set to en_US.UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set to en_US.UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages linux-image-4.9.0-3-amd64 depends on: ii initramfs-tools [linux-initramfs-tool] 0.130 ii kmod 23-2 ii linux-base 4.5 Versions of packages linux-image-4.9.0-3-amd64 recommends: ii firmware-linux-free 3.4 ii irqbalance 1.1.0-2.3 Versions of packages linux-image-4.9.0-3-amd64 suggests: pn debian-kernel-handbook <none> ii grub-efi-amd64 2.02~beta3-5 pn linux-doc-4.9 <none> Versions of packages linux-image-4.9.0-3-amd64 is related to: pn firmware-amd-graphics <none> pn firmware-atheros <none> pn firmware-bnx2 <none> pn firmware-bnx2x <none> pn firmware-brcm80211 <none> pn firmware-cavium <none> pn firmware-intel-sound <none> pn firmware-intelwimax <none> pn firmware-ipw2x00 <none> pn firmware-ivtv <none> ii firmware-iwlwifi 20161130-3 pn firmware-libertas <none> pn firmware-linux-nonfree <none> pn firmware-misc-nonfree <none> pn firmware-myricom <none> pn firmware-netxen <none> pn firmware-qlogic <none> pn firmware-realtek <none> pn firmware-samsung <none> pn firmware-siano <none> pn firmware-ti-connectivity <none> pn xen-hypervisor <none> -- no debconf information