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Bug#865220: marked as done (linux-image-4.9.0-3-amd64: unable to handle kernel NULL pointer dereference: in6_dev_finish_destroy)

Your message dated Mon, 24 May 2021 20:32:50 +0200
with message-id <E1llFNZ-0009z0-MN@hullmann.westfalen.local>
and subject line Closing this bug
has caused the Debian Bug report #865220,
regarding linux-image-4.9.0-3-amd64: unable to handle kernel NULL pointer dereference: in6_dev_finish_destroy
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
865220: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=865220
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
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-kernel@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

--- End Message ---
--- Begin Message --- 
This bug was filed for a very old kernel. If you can reproduce it with
- the current version in unstable/testing
- the latest kernel from buster.backports
please reopen the bug, see https://www.debian.org/Bugs/server-control

--- End Message ---
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