[ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 300.666877][ T6539] cron (6539) used greatest stack depth: 22616 bytes left Warning: Permanently added '10.128.0.76' (ECDSA) to the list of known hosts. 2021/10/27 21:18:55 parsed 1 programs [ 413.807102][ T6552] cgroup: Unknown subsys name 'net' [ 413.818097][ T6552] cgroup: Unknown subsys name 'rlimit' 2021/10/27 21:18:55 executed programs: 0 [ 415.429102][ T6565] chnl_net:caif_netlink_parms(): no params data found [ 415.515748][ T6565] bridge0: port 1(bridge_slave_0) entered blocking state [ 415.522928][ T6565] bridge0: port 1(bridge_slave_0) entered disabled state [ 415.530692][ T6565] device bridge_slave_0 entered promiscuous mode [ 415.540133][ T6565] bridge0: port 2(bridge_slave_1) entered blocking state [ 415.547413][ T6565] bridge0: port 2(bridge_slave_1) entered disabled state [ 415.555392][ T6565] device bridge_slave_1 entered promiscuous mode [ 415.584389][ T6565] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 415.595469][ T6565] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 415.628467][ T6565] team0: Port device team_slave_0 added [ 415.636666][ T6565] team0: Port device team_slave_1 added [ 415.666170][ T6565] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 415.673162][ T6565] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 415.699164][ T6565] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 415.713932][ T6565] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 415.720859][ T6565] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 415.747143][ T6565] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 415.783788][ T6565] device hsr_slave_0 entered promiscuous mode [ 415.790432][ T6565] device hsr_slave_1 entered promiscuous mode [ 415.907498][ T6565] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 415.920175][ T6565] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 415.930606][ T6565] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 415.941792][ T6565] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 415.968840][ T6565] bridge0: port 2(bridge_slave_1) entered blocking state [ 415.975990][ T6565] bridge0: port 2(bridge_slave_1) entered forwarding state [ 415.983670][ T6565] bridge0: port 1(bridge_slave_0) entered blocking state [ 415.990728][ T6565] bridge0: port 1(bridge_slave_0) entered forwarding state [ 416.038005][ T6565] 8021q: adding VLAN 0 to HW filter on device bond0 [ 416.050699][ T6898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 416.061765][ T6898] bridge0: port 1(bridge_slave_0) entered disabled state [ 416.070878][ T6898] bridge0: port 2(bridge_slave_1) entered disabled state [ 416.079778][ T6898] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 416.093172][ T6565] 8021q: adding VLAN 0 to HW filter on device team0 [ 416.104683][ T1016] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 416.113224][ T1016] bridge0: port 1(bridge_slave_0) entered blocking state [ 416.120281][ T1016] bridge0: port 1(bridge_slave_0) entered forwarding state [ 416.132445][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 416.140804][ T2933] bridge0: port 2(bridge_slave_1) entered blocking state [ 416.148083][ T2933] bridge0: port 2(bridge_slave_1) entered forwarding state [ 416.173929][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 416.182870][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 416.191136][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 416.199441][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 416.208293][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 416.218631][ T6565] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 416.236272][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 416.244459][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 416.259100][ T6565] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 416.278267][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 416.297581][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 416.305707][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 416.313293][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 416.326501][ T6565] device veth0_vlan entered promiscuous mode [ 416.338283][ T6565] device veth1_vlan entered promiscuous mode [ 416.358933][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 416.367426][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 416.375756][ T2933] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 416.386856][ T6565] device veth0_macvtap entered promiscuous mode [ 416.396691][ T6565] device veth1_macvtap entered promiscuous mode [ 416.413835][ T6565] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 416.421611][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 416.431143][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 416.445019][ T6565] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 416.452458][ T1016] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 416.461158][ T1016] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 416.476108][ T6565] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 416.485232][ T6565] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 416.494027][ T6565] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 416.502878][ T6565] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 416.599387][ T8] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 416.607481][ T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 416.621872][ T1016] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 416.641160][ T6615] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 416.649204][ T6615] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 416.659893][ T1016] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 417.273615][ T1016] Bluetooth: hci0: command 0x0409 tx timeout 2021/10/27 21:19:00 executed programs: 75 [ 419.352982][ T7] Bluetooth: hci0: command 0x041b tx timeout [ 421.432210][ T7] Bluetooth: hci0: command 0x040f tx timeout [ 423.512417][ T1016] Bluetooth: hci0: command 0x0419 tx timeout 2021/10/27 21:19:05 executed programs: 227 [ 425.727280][ T1077] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 425.862806][ T6565] syz-executor.0 (6565) used greatest stack depth: 22576 bytes left [ 425.881631][ T1077] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 425.938256][ T1077] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 425.997284][ T1077] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 426.099818][ T1077] ------------[ cut here ]------------ [ 426.105460][ T1077] WARNING: CPU: 1 PID: 1077 at net/core/devlink.c:11162 devlink_trap_groups_unregister+0xe8/0x110 [ 426.116214][ T1077] Modules linked in: [ 426.120116][ T1077] CPU: 1 PID: 1077 Comm: kworker/u4:6 Not tainted 5.15.0-rc7-next-20211027-syzkaller #0 [ 426.129929][ T1077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 426.140187][ T1077] Workqueue: netns cleanup_net [ 426.145089][ T1077] RIP: 0010:devlink_trap_groups_unregister+0xe8/0x110 [ 426.152127][ T1077] Code: ff ff 31 ff 89 de e8 37 b5 5b fa 83 fb ff 75 cc e8 0d b3 5b fa 4c 89 f7 5b 5d 41 5c 41 5d 41 5e e9 ed ea 04 02 e8 f8 b2 5b fa <0f> 0b e9 71 ff ff ff 4c 89 ef e8 29 63 a2 fa e9 3b ff ff ff 48 89 [ 426.171828][ T1077] RSP: 0018:ffffc90004d8fa00 EFLAGS: 00010293 [ 426.177898][ T1077] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000000000 [ 426.185916][ T1077] RDX: ffff88801c840000 RSI: ffffffff871bfa08 RDI: 0000000000000003 [ 426.193952][ T1077] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 [ 426.202043][ T1077] R10: ffffffff871bf977 R11: 0000000000000000 R12: ffffffff8a22fee0 [ 426.210019][ T1077] R13: ffff888077427000 R14: dffffc0000000000 R15: ffff888077427388 [ 426.218047][ T1077] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 426.227059][ T1077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 426.233742][ T1077] CR2: 00007fc10b3f34a0 CR3: 00000000721af000 CR4: 00000000003506e0 [ 426.241782][ T1077] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 426.249753][ T1077] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 426.257811][ T1077] Call Trace: [ 426.261098][ T1077] [ 426.264097][ T1077] nsim_dev_traps_exit+0x67/0x170 [ 426.269195][ T1077] nsim_dev_reload_destroy+0x20c/0x2f0 [ 426.274721][ T1077] nsim_dev_reload_down+0xdf/0x180 [ 426.279859][ T1077] devlink_reload+0x1c2/0x6b0 [ 426.284599][ T1077] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 426.291546][ T1077] devlink_pernet_pre_exit+0x278/0x370 [ 426.297027][ T1077] ? devlink_nl_cmd_reload+0x11d0/0x11d0 [ 426.302728][ T1077] ? nf_tables_pre_exit_net+0x119/0x490 [ 426.308380][ T1077] ? devlink_nl_cmd_reload+0x11d0/0x11d0 [ 426.314121][ T1077] cleanup_net+0x451/0xb00 [ 426.318550][ T1077] ? unregister_pernet_device+0x70/0x70 [ 426.324176][ T1077] process_one_work+0x9b2/0x1690 [ 426.329196][ T1077] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 426.334639][ T1077] ? rwlock_bug.part.0+0x90/0x90 [ 426.339638][ T1077] ? _raw_spin_lock_irq+0x41/0x50 [ 426.344773][ T1077] worker_thread+0x658/0x11f0 [ 426.349481][ T1077] ? process_one_work+0x1690/0x1690 [ 426.354752][ T1077] kthread+0x405/0x4f0 [ 426.358832][ T1077] ? set_kthread_struct+0x130/0x130 [ 426.364093][ T1077] ret_from_fork+0x1f/0x30 [ 426.368553][ T1077] [ 426.371655][ T1077] Kernel panic - not syncing: panic_on_warn set ... [ 426.378251][ T1077] CPU: 1 PID: 1077 Comm: kworker/u4:6 Not tainted 5.15.0-rc7-next-20211027-syzkaller #0 [ 426.387962][ T1077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 426.398013][ T1077] Workqueue: netns cleanup_net [ 426.402776][ T1077] Call Trace: [ 426.406044][ T1077] [ 426.408979][ T1077] dump_stack_lvl+0xcd/0x134 [ 426.413622][ T1077] panic+0x2b0/0x6dd [ 426.417528][ T1077] ? __warn_printk+0xf3/0xf3 [ 426.422124][ T1077] ? __warn.cold+0x1a/0x44 [ 426.426542][ T1077] ? devlink_trap_groups_unregister+0xe8/0x110 [ 426.432695][ T1077] __warn.cold+0x35/0x44 [ 426.436935][ T1077] ? devlink_trap_groups_unregister+0xe8/0x110 [ 426.443089][ T1077] report_bug+0x1bd/0x210 [ 426.447487][ T1077] handle_bug+0x3c/0x60 [ 426.451676][ T1077] exc_invalid_op+0x14/0x40 [ 426.456175][ T1077] asm_exc_invalid_op+0x12/0x20 [ 426.461026][ T1077] RIP: 0010:devlink_trap_groups_unregister+0xe8/0x110 [ 426.467785][ T1077] Code: ff ff 31 ff 89 de e8 37 b5 5b fa 83 fb ff 75 cc e8 0d b3 5b fa 4c 89 f7 5b 5d 41 5c 41 5d 41 5e e9 ed ea 04 02 e8 f8 b2 5b fa <0f> 0b e9 71 ff ff ff 4c 89 ef e8 29 63 a2 fa e9 3b ff ff ff 48 89 [ 426.487385][ T1077] RSP: 0018:ffffc90004d8fa00 EFLAGS: 00010293 [ 426.493447][ T1077] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000000000 [ 426.501414][ T1077] RDX: ffff88801c840000 RSI: ffffffff871bfa08 RDI: 0000000000000003 [ 426.509483][ T1077] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 [ 426.517460][ T1077] R10: ffffffff871bf977 R11: 0000000000000000 R12: ffffffff8a22fee0 [ 426.525422][ T1077] R13: ffff888077427000 R14: dffffc0000000000 R15: ffff888077427388 [ 426.533412][ T1077] ? devlink_trap_groups_unregister+0x57/0x110 [ 426.539564][ T1077] ? devlink_trap_groups_unregister+0xe8/0x110 [ 426.545722][ T1077] nsim_dev_traps_exit+0x67/0x170 [ 426.550748][ T1077] nsim_dev_reload_destroy+0x20c/0x2f0 [ 426.556208][ T1077] nsim_dev_reload_down+0xdf/0x180 [ 426.561319][ T1077] devlink_reload+0x1c2/0x6b0 [ 426.566001][ T1077] ? devlink_remote_reload_actions_performed+0xa0/0xa0 [ 426.572865][ T1077] devlink_pernet_pre_exit+0x278/0x370 [ 426.578325][ T1077] ? devlink_nl_cmd_reload+0x11d0/0x11d0 [ 426.583961][ T1077] ? nf_tables_pre_exit_net+0x119/0x490 [ 426.589523][ T1077] ? devlink_nl_cmd_reload+0x11d0/0x11d0 [ 426.595177][ T1077] cleanup_net+0x451/0xb00 [ 426.599606][ T1077] ? unregister_pernet_device+0x70/0x70 [ 426.605173][ T1077] process_one_work+0x9b2/0x1690 [ 426.610121][ T1077] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 426.615496][ T1077] ? rwlock_bug.part.0+0x90/0x90 [ 426.620444][ T1077] ? _raw_spin_lock_irq+0x41/0x50 [ 426.625488][ T1077] worker_thread+0x658/0x11f0 [ 426.630177][ T1077] ? process_one_work+0x1690/0x1690 [ 426.635375][ T1077] kthread+0x405/0x4f0 [ 426.639446][ T1077] ? set_kthread_struct+0x130/0x130 [ 426.644647][ T1077] ret_from_fork+0x1f/0x30 [ 426.649078][ T1077] [ 426.652477][ T1077] Kernel Offset: disabled [ 426.656922][ T1077] Rebooting in 86400 seconds..