[ 31.587687][ T4642] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.602287][ T4642] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 53.731820][ T5056] can: request_module (can-proto-0) failed. [ 53.762547][ T5056] can: request_module (can-proto-0) failed. [ 53.791499][ T5056] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.1.105' (ECDSA) to the list of known hosts. 2023/04/22 00:34:48 parsed 1 programs 2023/04/22 00:34:48 executed programs: 0 [ 72.820305][ T5139] chnl_net:caif_netlink_parms(): no params data found [ 72.860910][ T5139] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.868871][ T5139] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.876155][ T5139] bridge_slave_0: entered allmulticast mode [ 72.882935][ T5139] bridge_slave_0: entered promiscuous mode [ 72.891338][ T5139] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.898556][ T5139] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.905762][ T5139] bridge_slave_1: entered allmulticast mode [ 72.912515][ T5139] bridge_slave_1: entered promiscuous mode [ 72.932709][ T5139] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.944022][ T5139] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.966066][ T5139] team0: Port device team_slave_0 added [ 72.974309][ T5139] team0: Port device team_slave_1 added [ 72.994031][ T5139] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.001557][ T5139] 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. [ 73.028105][ T5139] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 73.040990][ T5139] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.047986][ T5139] 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. [ 73.074580][ T5139] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.108139][ T5139] hsr_slave_0: entered promiscuous mode [ 73.116705][ T5139] hsr_slave_1: entered promiscuous mode [ 73.215040][ T5139] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.225768][ T5139] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.235078][ T5139] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.243989][ T5139] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.265582][ T5139] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.272886][ T5139] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.280915][ T5139] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.288251][ T5139] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.330136][ T5139] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.343558][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.355336][ T14] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.364124][ T14] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.372748][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 73.385541][ T5139] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.396362][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.405638][ T14] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.412755][ T14] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.429764][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.438208][ T14] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.445442][ T14] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.458074][ T4391] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.467349][ T4391] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.480199][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.493839][ T5139] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.505136][ T5139] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.518283][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.527823][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.537259][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.555657][ T5139] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.563718][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.571546][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.739003][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.751836][ T4391] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.762425][ T5139] veth0_vlan: entered promiscuous mode [ 73.771138][ T4391] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.779051][ T4391] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.790297][ T5139] veth1_vlan: entered promiscuous mode [ 73.806292][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.815086][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.824671][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.836274][ T5139] veth0_macvtap: entered promiscuous mode [ 73.845539][ T5139] veth1_macvtap: entered promiscuous mode [ 73.858999][ T5139] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.866589][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 73.877200][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.889542][ T5139] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.906119][ T5139] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.915377][ T5139] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.924317][ T5139] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.933179][ T5139] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.943853][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 73.952788][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 101.478910][ T7] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2670 jiffies s: 773 root: 0x2/. [ 101.490926][ T7] rcu: blocking rcu_node structures (internal RCU debug): [ 101.498052][ T7] Sending NMI from CPU 0 to CPUs 1: [ 101.503315][ C1] NMI backtrace for cpu 1 [ 101.503325][ C1] CPU: 1 PID: 5156 Comm: syz-executor.0 Not tainted 6.3.0-rc7-syzkaller-00181-g8e41e0a57566 #0 [ 101.503341][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 [ 101.503349][ C1] RIP: 0010:__lock_acquire+0x603/0x1f80 [ 101.503369][ C1] Code: 03 00 00 0f b6 1b 41 0f b6 04 17 84 c0 0f 85 21 12 00 00 41 f6 46 01 80 0f 85 de 03 00 00 84 db 40 0f b6 c5 0f b6 cb 0f 44 c8 <89> 4c 24 3c 48 8b 44 24 28 0f b6 04 10 84 c0 0f 85 9d 13 00 00 41 [ 101.503379][ C1] RSP: 0018:ffffc900001e0a40 EFLAGS: 00000002 [ 101.503392][ C1] RAX: 0000000000000002 RBX: 0000000000000001 RCX: 0000000000000001 [ 101.503400][ C1] RDX: dffffc0000000000 RSI: ffff888079cf8a38 RDI: ffffffff902dc1c0 [ 101.503411][ C1] RBP: 0000000000000002 R08: dffffc0000000000 R09: fffffbfff205b839 [ 101.503420][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888079cf8a30 [ 101.503430][ C1] R13: ffff888079cf8000 R14: ffff888079cf8aa8 R15: 1ffff1100f39f155 [ 101.503440][ C1] FS: 00007ff00cdfb700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 101.503452][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 101.503462][ C1] CR2: 000000000051b730 CR3: 0000000028889000 CR4: 00000000003506e0 [ 101.503474][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 101.503482][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 101.503491][ C1] Call Trace: [ 101.503497][ C1] [ 101.503509][ C1] lock_acquire+0x1e1/0x520 [ 101.503521][ C1] ? rcu_lock_acquire+0x5/0x40 [ 101.503541][ C1] ? read_lock_is_recursive+0x20/0x20 [ 101.503555][ C1] ? advance_sched+0x9bd/0xc80 [ 101.503570][ C1] ? do_raw_spin_lock+0x14d/0x3a0 [ 101.503585][ C1] ? __lock_acquire+0x1f80/0x1f80 [ 101.503600][ C1] ? do_raw_spin_unlock+0x13b/0x8b0 [ 101.503615][ C1] ? taprio_set_budgets+0x32e/0x360 [ 101.503634][ C1] rcu_lock_acquire+0x2e/0x40 [ 101.503651][ C1] ? rcu_lock_acquire+0x5/0x40 [ 101.503666][ C1] advance_sched+0xa09/0xc80 [ 101.503687][ C1] ? taprio_dequeue_from_txq+0x920/0x920 [ 101.503710][ C1] __hrtimer_run_queues+0x59f/0xd10 [ 101.503736][ C1] ? hrtimer_interrupt+0x980/0x980 [ 101.503755][ C1] ? ktime_get_update_offsets_now+0x40b/0x420 [ 101.503773][ C1] hrtimer_interrupt+0x396/0x980 [ 101.503800][ C1] __sysvec_apic_timer_interrupt+0x13f/0x480 [ 101.503819][ C1] sysvec_apic_timer_interrupt+0x90/0xb0 [ 101.503835][ C1] [ 101.503839][ C1] [ 101.503843][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 101.503862][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 [ 101.503881][ C1] Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 de fc 37 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 63 0f b6 f6 65 8b 05 14 71 5b 75 85 c0 74 3f 48 c7 04 24 0e 36 [ 101.503891][ C1] RSP: 0018:ffffc90004fc6b60 EFLAGS: 00000206 [ 101.503902][ C1] RAX: 4dfb9b09a2fa6f00 RBX: 1ffff920009f8d70 RCX: ffffffff816a81ca [ 101.503913][ C1] RDX: dffffc0000000000 RSI: ffffffff8aea7da0 RDI: 0000000000000001 [ 101.503922][ C1] RBP: ffffc90004fc6bf0 R08: dffffc0000000000 R09: fffffbfff205b851 [ 101.503932][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 101.503941][ C1] R13: 1ffff920009f8d6c R14: ffffc90004fc6b80 R15: 0000000000000246 [ 101.503954][ C1] ? mark_lock+0x9a/0x340 [ 101.503969][ C1] ? _raw_spin_unlock+0x40/0x40 [ 101.503989][ C1] taprio_change+0x4401/0x5100 [ 101.504013][ C1] ? taprio_destroy+0x550/0x550 [ 101.504030][ C1] ? __lock_acquire+0x1f80/0x1f80 [ 101.504045][ C1] ? text_poke_sync+0x20/0x20 [ 101.504062][ C1] ? text_poke_sync+0x20/0x20 [ 101.504078][ C1] ? on_each_cpu_cond_mask+0x62/0x80 [ 101.504111][ C1] taprio_init+0x767/0x8b0 [ 101.504126][ C1] ? __sys_sendmsg+0x2ad/0x390 [ 101.504140][ C1] ? do_syscall_64+0x41/0xc0 [ 101.504157][ C1] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 101.504178][ C1] ? taprio_peek+0x40/0x40 [ 101.504194][ C1] ? lockdep_rtnl_is_held+0x26/0x30 [ 101.504207][ C1] ? qdisc_lookup+0x350/0x630 [ 101.504225][ C1] ? taprio_peek+0x40/0x40 [ 101.504240][ C1] qdisc_create+0x94c/0x10e0 [ 101.504261][ C1] ? qdisc_notify+0x390/0x390 [ 101.504281][ C1] tc_modify_qdisc+0xa7d/0x1c40 [ 101.504305][ C1] ? rcu_lock_release+0x30/0x30 [ 101.504330][ C1] ? rcu_lock_release+0x30/0x30 [ 101.504347][ C1] rtnetlink_rcv_msg+0x825/0xf40 [ 101.504367][ C1] ? rtnetlink_bind+0x80/0x80 [ 101.504383][ C1] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 101.504397][ C1] ? print_irqtrace_events+0x220/0x220 [ 101.504412][ C1] ? __local_bh_enable_ip+0x168/0x1f0 [ 101.504426][ C1] ? lockdep_hardirqs_on+0x98/0x140 [ 101.504439][ C1] ? __local_bh_enable_ip+0x168/0x1f0 [ 101.504453][ C1] ? local_bh_enable+0x5/0x20 [ 101.504470][ C1] ? _local_bh_enable+0xa0/0xa0 [ 101.504487][ C1] ? __dev_queue_xmit+0x173b/0x3bb0 [ 101.504511][ C1] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 101.504531][ C1] ? ref_tracker_free+0x63c/0x7d0 [ 101.504553][ C1] netlink_rcv_skb+0x1df/0x430 [ 101.504572][ C1] ? rtnetlink_bind+0x80/0x80 [ 101.504588][ C1] ? netlink_ack+0x12a0/0x12a0 [ 101.504616][ C1] netlink_unicast+0x7c3/0x990 [ 101.504637][ C1] ? netlink_detachskb+0x90/0x90 [ 101.504655][ C1] ? __phys_addr_symbol+0x2f/0x70 [ 101.504674][ C1] ? bpf_lsm_netlink_send+0x9/0x10 [ 101.504693][ C1] netlink_sendmsg+0xa2a/0xd60 [ 101.504721][ C1] ? netlink_getsockopt+0x9e0/0x9e0 [ 101.504743][ C1] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 101.504761][ C1] ? security_socket_sendmsg+0x81/0xa0 [ 101.504779][ C1] ? netlink_getsockopt+0x9e0/0x9e0 [ 101.504798][ C1] ____sys_sendmsg+0x58f/0x890 [ 101.504816][ C1] ? __sys_sendmsg_sock+0x30/0x30 [ 101.504836][ C1] __sys_sendmsg+0x2ad/0x390 [ 101.504851][ C1] ? ____sys_sendmsg+0x890/0x890 [ 101.504876][ C1] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 101.504894][ C1] ? syscall_enter_from_user_mode+0x32/0x230 [ 101.504908][ C1] ? lockdep_hardirqs_on+0x98/0x140 [ 101.504921][ C1] ? syscall_enter_from_user_mode+0x32/0x230 [ 101.504936][ C1] do_syscall_64+0x41/0xc0 [ 101.504954][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 101.504970][ C1] RIP: 0033:0x4645a9 [ 101.504982][ C1] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 101.504991][ C1] RSP: 002b:00007ff00cdfb198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 101.505005][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004645a9 [ 101.505014][ C1] RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 [ 101.505022][ C1] RBP: 000000000051b720 R08: 0000000000000000 R09: 0000000000000000 [ 101.505030][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000055bf00 [ 101.505038][ C1] R13: 00007ff00cdfb6bc R14: 00000000ffffffff R15: 0000000000000003 [ 101.505053][ C1]