Public bug reported:
Reproducable on bionic using the autopkgtest's from openvswitch on i386:
[ 41.420568] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 41.421000] IP: igmp_group_dropped+0x21/0x220
[ 41.421246] *pdpt = 000000001d62c001 *pde = 0000000000000000
[ 41.421659] Oops: 0000 [#1] SMP
[ 41.421852] Modules linked in: veth openvswitch nf_conntrack_ipv6
nf_nat_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_defrag_ipv6 nf_nat
nf_conntrack libcrc32c 9p fscache ppdev kvm_intel kvm 9pnet_virtio irqbypass
input_leds joydev 9pnet parport_pc serio_raw parport i2c_piix4 qemu_fw_cfg
mac_hid sch_fq_codel ip_tables x_tables autofs4 btrfs xor raid6_pq psmouse
virtio_blk virtio_net pata_acpi floppy
[ 41.423855] CPU: 0 PID: 5 Comm: kworker/u2:0 Tainted: G W
4.13.0-18-generic #21-Ubuntu
[ 41.424355] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
1.10.2-1ubuntu1 04/01/2014
[ 41.424849] Workqueue: netns cleanup_net
[ 41.425071] task: db8fba80 task.stack: dba10000
[ 41.425346] EIP: igmp_group_dropped+0x21/0x220
[ 41.425656] EFLAGS: 00010202 CPU: 0
[ 41.425864] EAX: 00000000 EBX: dd726360 ECX: dba11e6c EDX: 00000002
[ 41.426335] ESI: 00000000 EDI: dd4db500 EBP: dba11dcc ESP: dba11d94
[ 41.426687] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[ 41.426990] CR0: 80050033 CR2: 00000000 CR3: 1e6d6d60 CR4: 000006f0
[ 41.427340] Call Trace:
[ 41.427485] ? __wake_up+0x36/0x40
[ 41.427680] ip_mc_down+0x27/0x90
[ 41.427869] inetdev_event+0x398/0x4e0
[ 41.428082] ? skb_dequeue+0x5b/0x70
[ 41.428286] ? wireless_nlevent_flush+0x4c/0x90
[ 41.428541] notifier_call_chain+0x4e/0x70
[ 41.428772] raw_notifier_call_chain+0x11/0x20
[ 41.429023] call_netdevice_notifiers_info+0x2a/0x60
[ 41.429301] dev_close_many+0x9d/0xe0
[ 41.429509] rollback_registered_many+0xd7/0x380
[ 41.429768] unregister_netdevice_many.part.102+0x10/0x80
[ 41.430075] default_device_exit_batch+0x134/0x160
[ 41.430344] ? do_wait_intr_irq+0x80/0x80
[ 41.430650] ops_exit_list.isra.8+0x4d/0x60
[ 41.430886] cleanup_net+0x18e/0x260
[ 41.431090] process_one_work+0x1a0/0x390
[ 41.431317] worker_thread+0x37/0x450
[ 41.431525] kthread+0xf3/0x110
[ 41.431714] ? process_one_work+0x390/0x390
[ 41.431941] ? kthread_create_on_node+0x20/0x20
[ 41.432187] ret_from_fork+0x19/0x24
[ 41.432382] Code: 90 90 90 90 90 90 90 90 90 90 3e 8d 74 26 00 55 89 e5 57
56 53 89 c3 83 ec 2c 8b 33 65 a1 14 00 00 00 89 45 f0 31 c0 80 7b 4b 00 <8b> 06
8b b8 20 03 00 00 8b 43 04 0f 85 5e 01 00 00 3d e0 00 00
[ 41.433405] EIP: igmp_group_dropped+0x21/0x220 SS:ESP: 0068:dba11d94
[ 41.433750] CR2: 0000000000000000
[ 41.433961] ---[ end trace 595db54cab84070c ]---
system then becomes unresponsive; no further interfaces can be created.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Description changed:
Reproducable on bionic using the autopkgtest's from openvswitch on i386:
- Dec 5 11:41:05 autopkgtest kernel: [ 41.392680] device ovs-system left
promiscuous mode
- Dec 5 11:41:05 autopkgtest kernel: [ 41.420568] BUG: unable to handle
kernel NULL pointer dereference at (null)
- Dec 5 11:41:05 autopkgtest kernel: [ 41.421000] IP:
igmp_group_dropped+0x21/0x220
- Dec 5 11:41:05 autopkgtest kernel: [ 41.421246] *pdpt = 000000001d62c001
*pde = 0000000000000000
- Dec 5 11:41:05 autopkgtest kernel: [ 41.421248]
- Dec 5 11:41:05 autopkgtest kernel: [ 41.421659] Oops: 0000 [#1] SMP
- Dec 5 11:41:05 autopkgtest kernel: [ 41.421852] Modules linked in: veth
openvswitch nf_conntrack_ipv6 nf_nat_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4
nf_nat_ipv4 nf_defrag_ipv6 nf_nat nf_conntrack libcrc32c 9p fscache ppdev
kvm_intel kvm 9pnet_virtio irqbypass input_leds joydev 9pnet parport_pc
serio_raw parport i2c_piix4 qemu_fw_cfg mac_hid sch_fq_codel ip_tables x_tables
autofs4 btrfs xor raid6_pq psmouse virtio_blk virtio_net pata_acpi floppy
- Dec 5 11:41:05 autopkgtest kernel: [ 41.423855] CPU: 0 PID: 5 Comm:
kworker/u2:0 Tainted: G W 4.13.0-18-generic #21-Ubuntu
- Dec 5 11:41:05 autopkgtest kernel: [ 41.424355] Hardware name: QEMU
Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014
- Dec 5 11:41:05 autopkgtest kernel: [ 41.424849] Workqueue: netns
cleanup_net
- Dec 5 11:41:05 autopkgtest kernel: [ 41.425071] task: db8fba80 task.stack:
dba10000
- Dec 5 11:41:05 autopkgtest kernel: [ 41.425346] EIP:
igmp_group_dropped+0x21/0x220
- Dec 5 11:41:05 autopkgtest kernel: [ 41.425656] EFLAGS: 00010202 CPU: 0
- Dec 5 11:41:05 autopkgtest kernel: [ 41.425864] EAX: 00000000 EBX:
dd726360 ECX: dba11e6c EDX: 00000002
- Dec 5 11:41:05 autopkgtest kernel: [ 41.426335] ESI: 00000000 EDI:
dd4db500 EBP: dba11dcc ESP: dba11d94
- Dec 5 11:41:05 autopkgtest kernel: [ 41.426687] DS: 007b ES: 007b FS:
00d8 GS: 00e0 SS: 0068
- Dec 5 11:41:05 autopkgtest kernel: [ 41.426990] CR0: 80050033 CR2:
00000000 CR3: 1e6d6d60 CR4: 000006f0
- Dec 5 11:41:05 autopkgtest kernel: [ 41.427340] Call Trace:
- Dec 5 11:41:05 autopkgtest kernel: [ 41.427485] ? __wake_up+0x36/0x40
- Dec 5 11:41:05 autopkgtest kernel: [ 41.427680] ip_mc_down+0x27/0x90
- Dec 5 11:41:05 autopkgtest kernel: [ 41.427869] inetdev_event+0x398/0x4e0
- Dec 5 11:41:05 autopkgtest kernel: [ 41.428082] ? skb_dequeue+0x5b/0x70
- Dec 5 11:41:05 autopkgtest kernel: [ 41.428286] ?
wireless_nlevent_flush+0x4c/0x90
- Dec 5 11:41:05 autopkgtest kernel: [ 41.428541]
notifier_call_chain+0x4e/0x70
- Dec 5 11:41:05 autopkgtest kernel: [ 41.428772]
raw_notifier_call_chain+0x11/0x20
- Dec 5 11:41:05 autopkgtest kernel: [ 41.429023]
call_netdevice_notifiers_info+0x2a/0x60
- Dec 5 11:41:05 autopkgtest kernel: [ 41.429301] dev_close_many+0x9d/0xe0
- Dec 5 11:41:05 autopkgtest kernel: [ 41.429509]
rollback_registered_many+0xd7/0x380
- Dec 5 11:41:05 autopkgtest kernel: [ 41.429768]
unregister_netdevice_many.part.102+0x10/0x80
- Dec 5 11:41:05 autopkgtest kernel: [ 41.430075]
default_device_exit_batch+0x134/0x160
- Dec 5 11:41:05 autopkgtest kernel: [ 41.430344] ?
do_wait_intr_irq+0x80/0x80
- Dec 5 11:41:05 autopkgtest kernel: [ 41.430650]
ops_exit_list.isra.8+0x4d/0x60
- Dec 5 11:41:05 autopkgtest kernel: [ 41.430886] cleanup_net+0x18e/0x260
- Dec 5 11:41:05 autopkgtest kernel: [ 41.431090]
process_one_work+0x1a0/0x390
- Dec 5 11:41:05 autopkgtest kernel: [ 41.431317] worker_thread+0x37/0x450
- Dec 5 11:41:05 autopkgtest kernel: [ 41.431525] kthread+0xf3/0x110
- Dec 5 11:41:05 autopkgtest kernel: [ 41.431714] ?
process_one_work+0x390/0x390
- Dec 5 11:41:05 autopkgtest kernel: [ 41.431941] ?
kthread_create_on_node+0x20/0x20
- Dec 5 11:41:05 autopkgtest kernel: [ 41.432187] ret_from_fork+0x19/0x24
- Dec 5 11:41:05 autopkgtest kernel: [ 41.432382] Code: 90 90 90 90 90 90 90
90 90 90 3e 8d 74 26 00 55 89 e5 57 56 53 89 c3 83 ec 2c 8b 33 65 a1 14 00 00
00 89 45 f0 31 c0 80 7b 4b 00 <8b> 06 8b b8 20 03 00 00 8b 43 04 0f 85 5e 01 00
00 3d e0 00 00
- Dec 5 11:41:05 autopkgtest kernel: [ 41.433405] EIP:
igmp_group_dropped+0x21/0x220 SS:ESP: 0068:dba11d94
- Dec 5 11:41:05 autopkgtest kernel: [ 41.433750] CR2: 0000000000000000
- Dec 5 11:41:05 autopkgtest kernel: [ 41.433961] ---[ end trace
595db54cab84070c ]---
+ [ 41.420568] BUG: unable to handle kernel NULL pointer dereference at
(null)
+ [ 41.421000] IP: igmp_group_dropped+0x21/0x220
+ [ 41.421246] *pdpt = 000000001d62c001 *pde = 0000000000000000
+
+ [ 41.421659] Oops: 0000 [#1] SMP
+ [ 41.421852] Modules linked in: veth openvswitch nf_conntrack_ipv6
nf_nat_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_defrag_ipv6 nf_nat
nf_conntrack libcrc32c 9p fscache ppdev kvm_intel kvm 9pnet_virtio irqbypass
input_leds joydev 9pnet parport_pc serio_raw parport i2c_piix4 qemu_fw_cfg
mac_hid sch_fq_codel ip_tables x_tables autofs4 btrfs xor raid6_pq psmouse
virtio_blk virtio_net pata_acpi floppy
+ [ 41.423855] CPU: 0 PID: 5 Comm: kworker/u2:0 Tainted: G W
4.13.0-18-generic #21-Ubuntu
+ [ 41.424355] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
1.10.2-1ubuntu1 04/01/2014
+ [ 41.424849] Workqueue: netns cleanup_net
+ [ 41.425071] task: db8fba80 task.stack: dba10000
+ [ 41.425346] EIP: igmp_group_dropped+0x21/0x220
+ [ 41.425656] EFLAGS: 00010202 CPU: 0
+ [ 41.425864] EAX: 00000000 EBX: dd726360 ECX: dba11e6c EDX: 00000002
+ [ 41.426335] ESI: 00000000 EDI: dd4db500 EBP: dba11dcc ESP: dba11d94
+ [ 41.426687] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
+ [ 41.426990] CR0: 80050033 CR2: 00000000 CR3: 1e6d6d60 CR4: 000006f0
+ [ 41.427340] Call Trace:
+ [ 41.427485] ? __wake_up+0x36/0x40
+ [ 41.427680] ip_mc_down+0x27/0x90
+ [ 41.427869] inetdev_event+0x398/0x4e0
+ [ 41.428082] ? skb_dequeue+0x5b/0x70
+ [ 41.428286] ? wireless_nlevent_flush+0x4c/0x90
+ [ 41.428541] notifier_call_chain+0x4e/0x70
+ [ 41.428772] raw_notifier_call_chain+0x11/0x20
+ [ 41.429023] call_netdevice_notifiers_info+0x2a/0x60
+ [ 41.429301] dev_close_many+0x9d/0xe0
+ [ 41.429509] rollback_registered_many+0xd7/0x380
+ [ 41.429768] unregister_netdevice_many.part.102+0x10/0x80
+ [ 41.430075] default_device_exit_batch+0x134/0x160
+ [ 41.430344] ? do_wait_intr_irq+0x80/0x80
+ [ 41.430650] ops_exit_list.isra.8+0x4d/0x60
+ [ 41.430886] cleanup_net+0x18e/0x260
+ [ 41.431090] process_one_work+0x1a0/0x390
+ [ 41.431317] worker_thread+0x37/0x450
+ [ 41.431525] kthread+0xf3/0x110
+ [ 41.431714] ? process_one_work+0x390/0x390
+ [ 41.431941] ? kthread_create_on_node+0x20/0x20
+ [ 41.432187] ret_from_fork+0x19/0x24
+ [ 41.432382] Code: 90 90 90 90 90 90 90 90 90 90 3e 8d 74 26 00 55 89 e5 57
56 53 89 c3 83 ec 2c 8b 33 65 a1 14 00 00 00 89 45 f0 31 c0 80 7b 4b 00 <8b> 06
8b b8 20 03 00 00 8b 43 04 0f 85 5e 01 00 00 3d e0 00 00
+ [ 41.433405] EIP: igmp_group_dropped+0x21/0x220 SS:ESP: 0068:dba11d94
+ [ 41.433750] CR2: 0000000000000000
+ [ 41.433961] ---[ end trace 595db54cab84070c ]---
+
system then becomes unresponsive; no further interfaces can be created.
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https://bugs.launchpad.net/bugs/1736390
Title:
openvswitch: kernel opps destroying interfaces on i386
Status in linux package in Ubuntu:
New
Bug description:
Reproducable on bionic using the autopkgtest's from openvswitch on
i386:
[ 41.420568] BUG: unable to handle kernel NULL pointer dereference at
(null)
[ 41.421000] IP: igmp_group_dropped+0x21/0x220
[ 41.421246] *pdpt = 000000001d62c001 *pde = 0000000000000000
[ 41.421659] Oops: 0000 [#1] SMP
[ 41.421852] Modules linked in: veth openvswitch nf_conntrack_ipv6
nf_nat_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_defrag_ipv6 nf_nat
nf_conntrack libcrc32c 9p fscache ppdev kvm_intel kvm 9pnet_virtio irqbypass
input_leds joydev 9pnet parport_pc serio_raw parport i2c_piix4 qemu_fw_cfg
mac_hid sch_fq_codel ip_tables x_tables autofs4 btrfs xor raid6_pq psmouse
virtio_blk virtio_net pata_acpi floppy
[ 41.423855] CPU: 0 PID: 5 Comm: kworker/u2:0 Tainted: G W
4.13.0-18-generic #21-Ubuntu
[ 41.424355] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
1.10.2-1ubuntu1 04/01/2014
[ 41.424849] Workqueue: netns cleanup_net
[ 41.425071] task: db8fba80 task.stack: dba10000
[ 41.425346] EIP: igmp_group_dropped+0x21/0x220
[ 41.425656] EFLAGS: 00010202 CPU: 0
[ 41.425864] EAX: 00000000 EBX: dd726360 ECX: dba11e6c EDX: 00000002
[ 41.426335] ESI: 00000000 EDI: dd4db500 EBP: dba11dcc ESP: dba11d94
[ 41.426687] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[ 41.426990] CR0: 80050033 CR2: 00000000 CR3: 1e6d6d60 CR4: 000006f0
[ 41.427340] Call Trace:
[ 41.427485] ? __wake_up+0x36/0x40
[ 41.427680] ip_mc_down+0x27/0x90
[ 41.427869] inetdev_event+0x398/0x4e0
[ 41.428082] ? skb_dequeue+0x5b/0x70
[ 41.428286] ? wireless_nlevent_flush+0x4c/0x90
[ 41.428541] notifier_call_chain+0x4e/0x70
[ 41.428772] raw_notifier_call_chain+0x11/0x20
[ 41.429023] call_netdevice_notifiers_info+0x2a/0x60
[ 41.429301] dev_close_many+0x9d/0xe0
[ 41.429509] rollback_registered_many+0xd7/0x380
[ 41.429768] unregister_netdevice_many.part.102+0x10/0x80
[ 41.430075] default_device_exit_batch+0x134/0x160
[ 41.430344] ? do_wait_intr_irq+0x80/0x80
[ 41.430650] ops_exit_list.isra.8+0x4d/0x60
[ 41.430886] cleanup_net+0x18e/0x260
[ 41.431090] process_one_work+0x1a0/0x390
[ 41.431317] worker_thread+0x37/0x450
[ 41.431525] kthread+0xf3/0x110
[ 41.431714] ? process_one_work+0x390/0x390
[ 41.431941] ? kthread_create_on_node+0x20/0x20
[ 41.432187] ret_from_fork+0x19/0x24
[ 41.432382] Code: 90 90 90 90 90 90 90 90 90 90 3e 8d 74 26 00 55 89 e5 57
56 53 89 c3 83 ec 2c 8b 33 65 a1 14 00 00 00 89 45 f0 31 c0 80 7b 4b 00 <8b> 06
8b b8 20 03 00 00 8b 43 04 0f 85 5e 01 00 00 3d e0 00 00
[ 41.433405] EIP: igmp_group_dropped+0x21/0x220 SS:ESP: 0068:dba11d94
[ 41.433750] CR2: 0000000000000000
[ 41.433961] ---[ end trace 595db54cab84070c ]---
system then becomes unresponsive; no further interfaces can be created.
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https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1736390/+subscriptions
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