[Bug 2129580] Re: [questing] kernel BUG at lib/string_helpers.c:1043!

Frode Nordahl 2129580 at bugs.launchpad.net
Fri Dec 12 08:03:58 UTC 2025


https://lore.kernel.org/netdev/20251212073202.13153-1-fnordahl@ubuntu.com

** Changed in: gcc-15 (Ubuntu)
       Status: New => Invalid

** Changed in: openvswitch (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/2129580

Title:
  [questing] kernel BUG at lib/string_helpers.c:1043!

Status in gcc-15 package in Ubuntu:
  Invalid
Status in linux package in Ubuntu:
  New
Status in openvswitch package in Ubuntu:
  Invalid

Bug description:
  Steps to reproduce the issue:
  1. sudo apt build-dep openvswitch
  2. git clone https://github.com/openvswitch/ovs.git
  3. cd ovs
  4. ./boot.sh && ./configure && make -j$(nproc)
  5. sudo make check-kernel TESTSUITEFLAGS="-j1 18"

  [   70.856928] kernel BUG at lib/string_helpers.c:1043!
  [   70.859256] Oops: invalid opcode: 0000 [#1] SMP NOPTI
  [   70.862277] CPU: 9 UID: 0 PID: 342 Comm: kworker/9:1 Tainted: G        W           6.17.0-7-generic #7-Ubuntu PREEMPT(voluntary) 
  [   70.868569] Tainted: [W]=WARN
  [   70.870041] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009)/LXD, BIOS unknown 2/2/2022
  [   70.873454] Workqueue: mld mld_ifc_work
  [   70.875007] RIP: 0010:__fortify_panic+0xd/0xf
  [   70.876784] Code: e9 12 90 9c 00 e9 38 90 9c 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 40 0f b6 ff 48 89 e5 e8 93 a9 9c 00 <0f> 0b 48 8b 95 28 ff ff ff 48 8b b5 30 ff ff ff 4c 89 e9 48 c7 c7
  [   70.884212] RSP: 0018:ffffd04e0048cbb0 EFLAGS: 00010246
  [   70.886334] RAX: 0000000000000000 RBX: ffff8ac046819e00 RCX: 0000000000000000
  [   70.889209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
  [   70.892164] RBP: ffffd04e0048cbb0 R08: 0000000000000000 R09: 0000000000000000
  [   70.895028] R10: 0000000000000000 R11: 0000000000000000 R12: ffffd04e0048cc38
  [   70.897917] R13: 0000000000000004 R14: 0000000000000001 R15: ffff8ac050ae1a80
  [   70.900794] FS:  0000000000000000(0000) GS:ffff8ac7eb6ff000(0000) knlGS:0000000000000000
  [   70.904036] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  [   70.906376] CR2: 00007c68bcaf7980 CR3: 0000000564640000 CR4: 0000000000350ef0
  [   70.909255] Call Trace:
  [   70.910275]  <IRQ>
  [   70.911121]  erspan_rcv.cold+0x68/0x83 [ip_gre]
  [   70.912963]  ? ip_route_input_slow+0x816/0x9d0
  [   70.914785]  gre_rcv+0x1b2/0x1c0 [ip_gre]
  [   70.916434]  gre_rcv+0x8e/0x100 [gre]
  [   70.917927]  ? raw_v4_input+0x210/0x280
  [   70.919555]  ip_protocol_deliver_rcu+0x1ea/0x210
  [   70.921445]  ip_local_deliver_finish+0x86/0x110
  [   70.923324]  ip_local_deliver+0x65/0x110
  [   70.924918]  ? ip_rcv_finish_core+0xd6/0x370
  [   70.926668]  ip_rcv+0x186/0x1a0
  [   70.927966]  ? fetch_next_timer_interrupt+0x3f/0x170
  [   70.929990]  ? _raw_spin_unlock+0xe/0x40
  [   70.931608]  __netif_receive_skb_one_core+0x8d/0xa0
  [   70.933599]  __netif_receive_skb+0x16/0x70
  [   70.935281]  ? _raw_spin_unlock_irq+0xe/0x60
  [   70.937010]  process_backlog+0x90/0x160
  [   70.938591]  __napi_poll+0x35/0x200
  [   70.940018]  net_rx_action+0x20b/0x3f0
  [   70.941565]  ? tmigr_handle_remote_up+0x118/0x140
  [   70.943485]  handle_softirqs+0xdf/0x330
  [   70.945044]  __do_softirq+0x10/0x18
  [   70.946491]  do_softirq.part.0+0x3f/0x80
  [   70.948092]  </IRQ>
  [   70.948972]  <TASK>
  [   70.949930]  __local_bh_enable_ip+0x6a/0x70
  [   70.951361]  __dev_queue_xmit+0x44f/0x850
  [   70.952674]  ? call_rcu+0x31/0x50
  [   70.953989]  ? neigh_hash_alloc+0x8e/0xd0
  [   70.955515]  ? _raw_write_unlock_bh+0x1a/0x30
  [   70.957140]  ? ___neigh_create+0x755/0x9d0
  [   70.958681]  neigh_resolve_output+0x122/0x200
  [   70.960314]  ip6_finish_output2+0x212/0x620
  [   70.961867]  ? __kmalloc_node_track_caller_noprof+0x282/0x5a0
  [   70.963911]  ? sched_balance_rq+0x100/0x9c0
  [   70.965471]  ip6_finish_output+0x1ea/0x4a0
  [   70.966980]  ? nf_hook_slow+0x48/0x120
  [   70.968403]  ip6_output+0x75/0x1b0
  [   70.969694]  ? __pfx_ip6_finish_output+0x10/0x10
  [   70.971368]  NF_HOOK.constprop.0+0x4e/0x130
  [   70.972885]  ? xfrm_lookup+0x11/0x30
  [   70.974244]  ? icmp6_dst_alloc+0x16f/0x230
  [   70.975742]  mld_sendpack+0x196/0x270
  [   70.977109]  mld_send_cr+0x2c1/0x340
  [   70.978503]  mld_ifc_work+0x32/0x170
  [   70.979884]  process_one_work+0x18e/0x370
  [   70.981358]  worker_thread+0x317/0x450
  [   70.982726]  ? _raw_spin_unlock_irqrestore+0x11/0x60
  [   70.984484]  ? __pfx_worker_thread+0x10/0x10
  [   70.986011]  kthread+0x10b/0x220
  [   70.987238]  ? _raw_spin_unlock_irq+0xe/0x60
  [   70.988768]  ? __pfx_kthread+0x10/0x10
  [   70.990140]  ret_from_fork+0x134/0x150
  [   70.991523]  ? __pfx_kthread+0x10/0x10
  [   70.992889]  ret_from_fork_asm+0x1a/0x30
  [   70.994337]  </TASK>
  [   70.995216] Modules linked in: veth nfnetlink_cttimeout vport_vxlan vxlan vport_gre ip_gre ip_tunnel gre vport_geneve geneve ip6_udp_tunnel udp_tunnel openvswitch nsh nf_conncount nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 psample qrtr cfg80211 binfmt_misc nls_iso8859_1 intel_rapl_msr intel_rapl_common kvm_amd ccp 9pnet_virtio kvm 9pnet i2c_i801 irqbypass i2c_smbus netfs vmw_vsock_virtio_transport virtiofs virtio_input i2c_mux lpc_ich vmgenid joydev input_leds mac_hid sch_fq_codel msr efi_pstore dm_multipath nfnetlink vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vsock vmw_vmci dmi_sysfs qemu_fw_cfg ip_tables x_tables autofs4 btrfs blake2b_generic raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid1 raid0 linear ahci psmouse polyval_clmulni virtio_gpu libahci ghash_clmulni_intel serio_raw virtio_dma_buf virtio_rng aesni_intel
  [   71.012444] ---[ end trace 0000000000000000 ]---
  [   71.825394] ------------[ cut here ]------------
  [   71.831536] memcpy: detected buffer overflow: 4 byte write of buffer size 0
  [   71.835574] WARNING: CPU: 0 PID: 215 at lib/string_helpers.c:1035 __fortify_report+0x55/0xa0
  [   71.840219] Modules linked in: veth nfnetlink_cttimeout vport_vxlan vxlan vport_gre ip_gre ip_tunnel gre vport_geneve geneve ip6_udp_tunnel udp_tunnel openvswitch nsh nf_conncount nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 psample qrtr cfg80211 binfmt_misc nls_iso8859_1 intel_rapl_msr intel_rapl_common kvm_amd ccp 9pnet_virtio kvm 9pnet i2c_i801 irqbypass i2c_smbus netfs vmw_vsock_virtio_transport virtiofs virtio_input i2c_mux lpc_ich vmgenid joydev input_leds mac_hid sch_fq_codel msr efi_pstore dm_multipath nfnetlink vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vsock vmw_vmci dmi_sysfs qemu_fw_cfg ip_tables x_tables autofs4 btrfs blake2b_generic raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid1 raid0 linear ahci psmouse polyval_clmulni virtio_gpu libahci ghash_clmulni_intel serio_raw virtio_dma_buf virtio_rng aesni_intel
  [   71.922460] CPU: 0 UID: 0 PID: 215 Comm: kworker/u256:1 Tainted: G      D W           6.17.0-7-generic #7-Ubuntu PREEMPT(voluntary) 
  [   71.928732] Tainted: [D]=DIE, [W]=WARN
  [   71.930984] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009)/LXD, BIOS unknown 2/2/2022
  [   71.935337] Workqueue: ipv6_addrconf addrconf_dad_work
  [   71.938502] RIP: 0010:__fortify_report+0x55/0xa0
  [   71.941417] Code: 01 48 8b 34 c5 40 b2 2a b1 48 c7 c1 36 17 a1 b1 48 c7 c0 2c 17 a1 b1 48 0f 44 c8 4c 89 ca 48 c7 c7 98 40 91 b1 e8 4b 74 7d ff <0f> 0b c9 31 c0 31 d2 31 c9 31 f6 31 ff 45 31 c0 45 31 c9 e9 c3 5b
  [   71.951039] RSP: 0018:ffffd04e00003b80 EFLAGS: 00010246
  [   71.954130] RAX: 0000000000000000 RBX: ffff8ac0472cb800 RCX: 0000000000000000
  [   71.957964] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
  [   71.961839] RBP: ffffd04e00003ba0 R08: 0000000000000000 R09: 0000000000000000
  [   71.965606] R10: 0000000000000000 R11: 0000000000000000 R12: ffffd04e00003c38
  [   71.969574] R13: 0000000000000004 R14: 0000000000000001 R15: ffff8ac050ae1a80
  [   71.973886] FS:  0000000000000000(0000) GS:ffff8ac7eb27f000(0000) knlGS:0000000000000000
  [   71.978170] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  [   71.981432] CR2: 000071f5d918df04 CR3: 0000000564640000 CR4: 0000000000350ef0
  [   71.986472] Call Trace:
  [   71.988271]  <IRQ>
  [   71.989903]  __fortify_panic+0xd/0xf
  [   71.992245]  erspan_rcv.cold+0x68/0x83 [ip_gre]
  [   71.995078]  ? ip_route_input_slow+0x816/0x9d0
  [   71.997822]  gre_rcv+0x1b2/0x1c0 [ip_gre]
  [   72.000589]  gre_rcv+0x8e/0x100 [gre]
  [   72.003060]  ? raw_v4_input+0x210/0x280
  [   72.005650]  ip_protocol_deliver_rcu+0x1ea/0x210
  [   72.008491]  ip_local_deliver_finish+0x86/0x110
  [   72.011182]  ip_local_deliver+0x65/0x110
  [   72.013584]  ? ip_rcv_finish_core+0xd6/0x370
  [   72.016217]  ip_rcv+0x186/0x1a0
  [   72.018376]  ? _raw_spin_lock_irqsave+0xe/0x20
  [   72.020988]  __netif_receive_skb_one_core+0x8d/0xa0
  [   72.023764]  __netif_receive_skb+0x16/0x70
  [   72.026320]  ? _raw_spin_unlock_irq+0xe/0x60
  [   72.028937]  process_backlog+0x90/0x160
  [   72.031526]  __napi_poll+0x35/0x200
  [   72.033776]  net_rx_action+0x20b/0x3f0
  [   72.036123]  ? __run_timers+0x237/0x2c0
  [   72.038575]  handle_softirqs+0xdf/0x330
  [   72.040912]  __do_softirq+0x10/0x18
  [   72.043145]  do_softirq.part.0+0x3f/0x80
  [   72.045468]  </IRQ>
  [   72.047065]  <TASK>
  [   72.048628]  __local_bh_enable_ip+0x6a/0x70
  [   72.050983]  __dev_queue_xmit+0x44f/0x850
  [   72.053346]  ? __alloc_frozen_pages_noprof+0x180/0x360
  [   72.056258]  ? ndisc_mc_map+0x41/0xe0
  [   72.058624]  ? ndisc_constructor+0x1f6/0x3f0
  [   72.061254]  ? _raw_write_unlock_bh+0x1a/0x30
  [   72.063866]  ? ___neigh_create+0x755/0x9d0
  [   72.066365]  ? shuffle_freelist+0x13f/0x1c0
  [   72.068725]  neigh_resolve_output+0x122/0x200
  [   72.071152]  ip6_finish_output2+0x212/0x620
  [   72.073582]  ip6_finish_output+0x1ea/0x4a0
  [   72.075904]  ? nf_hook_slow+0x48/0x120
  [   72.078090]  ip6_output+0x75/0x1b0
  [   72.080060]  ? __pfx_ip6_finish_output+0x10/0x10
  [   72.082753]  NF_HOOK.constprop.0+0x4e/0x130
  [   72.085120]  ? xfrm_lookup+0x11/0x30
  [   72.087212]  ? icmp6_dst_alloc+0x16f/0x230
  [   72.090080]  ndisc_send_skb+0x1bb/0x360
  [   72.094107]  ndisc_send_ns+0x62/0xd0
  [   72.097838]  ? addrconf_mod_dad_work+0x44/0xe0
  [   72.119576]  addrconf_dad_work+0x2bc/0x370
  [   72.126176]  ? __schedule+0x2f5/0x7c0
  [   72.128771]  process_one_work+0x18e/0x370
  [   72.147012]  worker_thread+0x317/0x450
  [   72.150913]  ? __pfx_worker_thread+0x10/0x10
  [   72.154256]  kthread+0x10b/0x220
  [   72.157256]  ? _raw_spin_unlock_irq+0xe/0x60
  [   72.161111]  ? __pfx_kthread+0x10/0x10
  [   72.164961]  ret_from_fork+0x134/0x150
  [   72.168106]  ? __pfx_kthread+0x10/0x10
  [   72.171196]  ret_from_fork_asm+0x1a/0x30
  [   72.174495]  </TASK>
  [   72.177362] ---[ end trace 0000000000000000 ]---
  [   72.182032] ------------[ cut here ]------------
  [   72.186465] kernel BUG at lib/string_helpers.c:1043!
  [   72.190757] Oops: invalid opcode: 0000 [#2] SMP NOPTI
  [   72.195834] CPU: 0 UID: 0 PID: 215 Comm: kworker/u256:1 Tainted: G      D W           6.17.0-7-generic #7-Ubuntu PREEMPT(voluntary) 
  [   72.206978] Tainted: [D]=DIE, [W]=WARN
  [   72.210085] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009)/LXD, BIOS unknown 2/2/2022
  [   72.217100] Workqueue: ipv6_addrconf addrconf_dad_work
  [   72.221515] RIP: 0010:__fortify_panic+0xd/0xf
  [   72.225645] Code: e9 12 90 9c 00 e9 38 90 9c 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 40 0f b6 ff 48 89 e5 e8 93 a9 9c 00 <0f> 0b 48 8b 95 28 ff ff ff 48 8b b5 30 ff ff ff 4c 89 e9 48 c7 c7
  [   72.240126] RSP: 0018:ffffd04e00003bb0 EFLAGS: 00010246
  [   72.244739] RAX: 0000000000000000 RBX: ffff8ac0472cb800 RCX: 0000000000000000
  [   72.250753] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
  [   72.273409] RBP: ffffd04e00003bb0 R08: 0000000000000000 R09: 0000000000000000
  [   72.292267] R10: 0000000000000000 R11: 0000000000000000 R12: ffffd04e00003c38
  [   72.299141] R13: 0000000000000004 R14: 0000000000000001 R15: ffff8ac050ae1a80
  [   72.305576] FS:  0000000000000000(0000) GS:ffff8ac7eb27f000(0000) knlGS:0000000000000000
  [   72.312095] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  [   72.317768] CR2: 000071f5d918df04 CR3: 0000000564640000 CR4: 0000000000350ef0
  [   72.323756] Call Trace:
  [   72.325966]  <IRQ>
  [   72.328572]  erspan_rcv.cold+0x68/0x83 [ip_gre]
  [   72.332755]  ? ip_route_input_slow+0x816/0x9d0
  [   72.336862]  gre_rcv+0x1b2/0x1c0 [ip_gre]
  [   72.340652]  gre_rcv+0x8e/0x100 [gre]
  [   72.344948]  ? raw_v4_input+0x210/0x280
  [   72.348177]  ip_protocol_deliver_rcu+0x1ea/0x210
  [   72.352267]  ip_local_deliver_finish+0x86/0x110
  [   72.356456]  ip_local_deliver+0x65/0x110
  [   72.360167]  ? ip_rcv_finish_core+0xd6/0x370
  [   72.363966]  ip_rcv+0x186/0x1a0
  [   72.367136]  ? _raw_spin_lock_irqsave+0xe/0x20
  [   72.370772]  __netif_receive_skb_one_core+0x8d/0xa0
  [   72.375210]  __netif_receive_skb+0x16/0x70
  [   72.378675]  ? _raw_spin_unlock_irq+0xe/0x60
  [   72.382574]  process_backlog+0x90/0x160
  [   72.386105]  __napi_poll+0x35/0x200
  [   72.389143]  net_rx_action+0x20b/0x3f0
  [   72.392147]  ? __run_timers+0x237/0x2c0
  [   72.395748]  handle_softirqs+0xdf/0x330
  [   72.400364]  __do_softirq+0x10/0x18
  [   72.427472]  do_softirq.part.0+0x3f/0x80
  [   72.431433]  </IRQ>
  [   72.444864]  <TASK>
  [   72.447689]  __local_bh_enable_ip+0x6a/0x70
  [   72.451918]  __dev_queue_xmit+0x44f/0x850
  [   72.456023]  ? __alloc_frozen_pages_noprof+0x180/0x360
  [   72.460910]  ? ndisc_mc_map+0x41/0xe0
  [   72.464142]  ? ndisc_constructor+0x1f6/0x3f0
  [   72.467488]  ? _raw_write_unlock_bh+0x1a/0x30
  [   72.470928]  ? ___neigh_create+0x755/0x9d0
  [   72.474562]  ? shuffle_freelist+0x13f/0x1c0
  [   72.477910]  neigh_resolve_output+0x122/0x200
  [   72.481811]  ip6_finish_output2+0x212/0x620
  [   72.485717]  ip6_finish_output+0x1ea/0x4a0
  [   72.489461]  ? nf_hook_slow+0x48/0x120
  [   72.492988]  ip6_output+0x75/0x1b0
  [   72.496574]  ? __pfx_ip6_finish_output+0x10/0x10
  [   72.501971]  NF_HOOK.constprop.0+0x4e/0x130
  [   72.506373]  ? xfrm_lookup+0x11/0x30
  [   72.509288]  ? icmp6_dst_alloc+0x16f/0x230
  [   72.512535]  ndisc_send_skb+0x1bb/0x360
  [   72.515545]  ndisc_send_ns+0x62/0xd0
  [   72.518379]  ? addrconf_mod_dad_work+0x44/0xe0
  [   72.521361]  addrconf_dad_work+0x2bc/0x370
  [   72.523857]  ? __schedule+0x2f5/0x7c0
  [   72.526699]  process_one_work+0x18e/0x370
  [   72.529438]  worker_thread+0x317/0x450
  [   72.532059]  ? __pfx_worker_thread+0x10/0x10
  [   72.535014]  kthread+0x10b/0x220
  [   72.537171]  ? _raw_spin_unlock_irq+0xe/0x60
  [   72.540087]  ? __pfx_kthread+0x10/0x10
  [   72.543411]  ret_from_fork+0x134/0x150
  [   72.546610]  ? __pfx_kthread+0x10/0x10
  [   72.549021]  ret_from_fork_asm+0x1a/0x30
  [   72.552133]  </TASK>
  [   72.553927] Modules linked in: veth nfnetlink_cttimeout vport_vxlan vxlan vport_gre ip_gre ip_tunnel gre vport_geneve geneve ip6_udp_tunnel udp_tunnel openvswitch nsh nf_conncount nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 psample qrtr cfg80211 binfmt_misc nls_iso8859_1 intel_rapl_msr intel_rapl_common kvm_amd ccp 9pnet_virtio kvm 9pnet i2c_i801 irqbypass i2c_smbus netfs vmw_vsock_virtio_transport virtiofs virtio_input i2c_mux lpc_ich vmgenid joydev input_leds mac_hid sch_fq_codel msr efi_pstore dm_multipath nfnetlink vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vsock vmw_vmci dmi_sysfs qemu_fw_cfg ip_tables x_tables autofs4 btrfs blake2b_generic raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid1 raid0 linear ahci psmouse polyval_clmulni virtio_gpu libahci ghash_clmulni_intel serio_raw virtio_dma_buf virtio_rng aesni_intel
  [   72.604222] ---[ end trace 0000000000000000 ]---
  [   72.779636] RIP: 0010:__fortify_panic+0xd/0xf
  [   72.790663] Code: e9 12 90 9c 00 e9 38 90 9c 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 40 0f b6 ff 48 89 e5 e8 93 a9 9c 00 <0f> 0b 48 8b 95 28 ff ff ff 48 8b b5 30 ff ff ff 4c 89 e9 48 c7 c7
  [   72.803091] RSP: 0018:ffffd04e0048cbb0 EFLAGS: 00010246
  [   72.822994] RAX: 0000000000000000 RBX: ffff8ac046819e00 RCX: 0000000000000000
  [   72.830182] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
  [   72.837070] RBP: ffffd04e0048cbb0 R08: 0000000000000000 R09: 0000000000000000
  [   72.843476] R10: 0000000000000000 R11: 0000000000000000 R12: ffffd04e0048cc38
  [   72.850780] R13: 0000000000000004 R14: 0000000000000001 R15: ffff8ac050ae1a80
  [   72.857598] FS:  0000000000000000(0000) GS:ffff8ac7eb6ff000(0000) knlGS:0000000000000000
  [   72.864331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  [   72.869284] CR2: 00007c68bcaf7980 CR3: 0000000564640000 CR4: 0000000000350ef0
  [   72.876122] Kernel panic - not syncing: Fatal exception in interrupt
  [   73.810059] Kernel Offset: 0x2ea00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
  [   74.823407] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]---
  --- 
  ProblemType: Bug
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Nov  2 17:14 seq
   crw-rw---- 1 root audio 116, 33 Nov  2 17:14 timer
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.33.1-0ubuntu3
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CRDA: N/A
  CasperMD5CheckResult: unknown
  CloudArchitecture: x86_64
  CloudBuildName: server
  CloudID: lxd
  CloudName: lxd
  CloudPlatform: lxd
  CloudSerial: 20251023
  CloudSubPlatform: LXD socket API v. 1.0 (/dev/lxd/sock)
  DistroRelease: Ubuntu 25.10
  Lsusb:
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
  Lsusb-t:
   /:  Bus 001.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/8p, 480M
   /:  Bus 002.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/8p, 5000M
  MachineType: QEMU Standard PC (Q35 + ICH9, 2009)
  Package: openvswitch
  PciMultimedia:
   
  ProcEnviron:
   LANG=C.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
  ProcFB: 0 virtio_gpudrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.17.0-7-generic root=UUID=5b34d3dd-a752-4305-8452-98500dfa2307 ro console=tty1 console=ttyS0
  ProcVersionSignature: Ubuntu 6.17.0-7.7-generic 6.17.2
  RelatedPackageVersions:
   firmware-sof   N/A
   linux-firmware 20250901.git993ff19b-0ubuntu1.3
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  Tags: cloud-image questing
  Uname: Linux 6.17.0-7-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: N/A
  _MarkForUpload: True
  dmi.bios.date: 2/2/2022
  dmi.bios.release: 0.0
  dmi.bios.vendor: EDK II
  dmi.bios.version: unknown
  dmi.board.name: LXD
  dmi.board.vendor: Canonical Ltd.
  dmi.board.version: pc-q35-8.2
  dmi.chassis.type: 1
  dmi.chassis.vendor: QEMU
  dmi.chassis.version: pc-q35-8.2
  dmi.modalias: dmi:bvnEDKII:bvrunknown:bd2/2/2022:br0.0:svnQEMU:pnStandardPC(Q35+ICH9,2009):pvrpc-q35-8.2:rvnCanonicalLtd.:rnLXD:rvrpc-q35-8.2:cvnQEMU:ct1:cvrpc-q35-8.2:sku:
  dmi.product.name: Standard PC (Q35 + ICH9, 2009)
  dmi.product.version: pc-q35-8.2
  dmi.sys.vendor: QEMU

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