[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.154' (ECDSA) to the list of known hosts. syzkaller login: [ 134.193470][ T8396] IPVS: ftp: loaded support on port[0] = 21 [ 134.296119][ T8396] chnl_net:caif_netlink_parms(): no params data found [ 134.347589][ T8396] bridge0: port 1(bridge_slave_0) entered blocking state [ 134.355408][ T8396] bridge0: port 1(bridge_slave_0) entered disabled state [ 134.364058][ T8396] device bridge_slave_0 entered promiscuous mode [ 134.373969][ T8396] bridge0: port 2(bridge_slave_1) entered blocking state [ 134.382503][ T8396] bridge0: port 2(bridge_slave_1) entered disabled state [ 134.390197][ T8396] device bridge_slave_1 entered promiscuous mode [ 134.411470][ T8396] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 134.422966][ T8396] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 134.445288][ T8396] team0: Port device team_slave_0 added [ 134.454172][ T8396] team0: Port device team_slave_1 added [ 134.473179][ T8396] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 134.480152][ T8396] 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. [ 134.506482][ T8396] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 134.519285][ T8396] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 134.526530][ T8396] 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. [ 134.552983][ T8396] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 134.579491][ T8396] device hsr_slave_0 entered promiscuous mode [ 134.586790][ T8396] device hsr_slave_1 entered promiscuous mode [ 134.689878][ T8396] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 134.706194][ T8396] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 134.716453][ T8396] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 134.726403][ T8396] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 134.751536][ T8396] bridge0: port 2(bridge_slave_1) entered blocking state [ 134.758807][ T8396] bridge0: port 2(bridge_slave_1) entered forwarding state [ 134.766769][ T8396] bridge0: port 1(bridge_slave_0) entered blocking state [ 134.773930][ T8396] bridge0: port 1(bridge_slave_0) entered forwarding state [ 134.819823][ T8396] 8021q: adding VLAN 0 to HW filter on device bond0 [ 134.834771][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 134.847346][ T3817] bridge0: port 1(bridge_slave_0) entered disabled state [ 134.856532][ T3817] bridge0: port 2(bridge_slave_1) entered disabled state [ 134.864934][ T3817] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 134.880255][ T8396] 8021q: adding VLAN 0 to HW filter on device team0 [ 134.891573][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 134.899983][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 134.907137][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 134.918914][ T4014] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 134.928317][ T4014] bridge0: port 2(bridge_slave_1) entered blocking state [ 134.935466][ T4014] bridge0: port 2(bridge_slave_1) entered forwarding state [ 134.962488][ T4014] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 134.971954][ T4014] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 134.980540][ T4014] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 134.989528][ T4014] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 135.006073][ T8396] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 135.018395][ T8396] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 135.027335][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 135.046932][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 135.054598][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 135.069507][ T8396] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 135.088706][ T4014] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 135.109551][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 135.118590][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 135.127494][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 135.140712][ T8396] device veth0_vlan entered promiscuous mode [ 135.154398][ T8396] device veth1_vlan entered promiscuous mode [ 135.177320][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 135.185612][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 135.195437][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 135.207308][ T8396] device veth0_macvtap entered promiscuous mode [ 135.218485][ T8396] device veth1_macvtap entered promiscuous mode [ 135.236988][ T8396] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 135.246626][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 135.257076][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 135.270050][ T8396] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 135.279290][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 135.288846][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 135.300516][ T8396] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 135.311422][ T8396] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 135.320256][ T8396] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 135.333794][ T8396] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 136.041417][ T2935] ================================================================================ [ 136.051438][ T2935] UBSAN: shift-out-of-bounds in net/sched/sch_api.c:572:7 [ 136.058572][ T2935] shift exponent 97 is too large for 32-bit type 'int' [ 136.065534][ T2935] CPU: 1 PID: 2935 Comm: kworker/1:2 Not tainted 5.12.0-rc4-syzkaller #0 [ 136.073967][ T2935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.084899][ T2935] Workqueue: mld mld_ifc_work [ 136.089607][ T2935] Call Trace: [ 136.092882][ T2935] dump_stack+0x141/0x1d7 [ 136.097227][ T2935] ubsan_epilogue+0xb/0x5a [ 136.101851][ T2935] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 [ 136.108655][ T2935] ? calibrate_delay+0x3b9/0x1120 [ 136.113688][ T2935] ? __lock_acquire+0x16b3/0x54c0 [ 136.118764][ T2935] __qdisc_calculate_pkt_len.cold+0x62/0xcf [ 136.124717][ T2935] __dev_queue_xmit+0x121b/0x2e30 [ 136.129794][ T2935] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 136.135117][ T2935] ? __ip_finish_output+0x396/0x640 [ 136.140370][ T2935] ? mark_held_locks+0x9f/0xe0 [ 136.145172][ T2935] ? ip_finish_output2+0x15e9/0x21f0 [ 136.150493][ T2935] ip_finish_output2+0xeec/0x21f0 [ 136.155577][ T2935] ? ip_fragment.constprop.0+0x240/0x240 [ 136.161243][ T2935] ? __ip_finish_output+0x640/0x640 [ 136.166493][ T2935] ? __ip_flush_pending_frames.constprop.0+0x2c0/0x2c0 [ 136.173508][ T2935] __ip_finish_output+0x396/0x640 [ 136.178578][ T2935] ip_finish_output+0x35/0x200 [ 136.183393][ T2935] ip_output+0x196/0x310 [ 136.187826][ T2935] ip_local_out+0xaf/0x1a0 [ 136.192314][ T2935] iptunnel_xmit+0x5a3/0x9c0 [ 136.197058][ T2935] geneve_xmit+0xde1/0x2f70 [ 136.201621][ T2935] ? geneve_fill_metadata_dst+0xb70/0xb70 [ 136.207388][ T2935] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 136.213342][ T2935] ? skb_crc32c_csum_help+0x70/0x70 [ 136.218595][ T2935] ? dev_hard_start_xmit+0x66a/0x920 [ 136.223916][ T2935] dev_hard_start_xmit+0x1eb/0x920 [ 136.229072][ T2935] __dev_queue_xmit+0x209c/0x2e30 [ 136.234136][ T2935] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 136.239467][ T2935] ? __ip6_finish_output+0x4c1/0xe10 [ 136.244779][ T2935] ? mark_held_locks+0x9f/0xe0 [ 136.249652][ T2935] ? rcu_read_lock_bh_held+0x25/0x60 [ 136.254981][ T2935] ? ip6_finish_output2+0xdc8/0x1700 [ 136.260290][ T2935] ip6_finish_output2+0x911/0x1700 [ 136.265436][ T2935] __ip6_finish_output+0x4c1/0xe10 [ 136.270574][ T2935] ? in6_dev_get+0x2b0/0x2b0 [ 136.275199][ T2935] ip6_finish_output+0x35/0x200 [ 136.280075][ T2935] ip6_output+0x1e4/0x530 [ 136.284430][ T2935] mld_sendpack+0x92a/0xdb0 [ 136.288963][ T2935] ? igmp6_mcf_seq_next+0x550/0x550 [ 136.294221][ T2935] mld_ifc_work+0x73b/0xdb0 [ 136.298776][ T2935] process_one_work+0x98d/0x1600 [ 136.303759][ T2935] ? pwq_dec_nr_in_flight+0x320/0x320 [ 136.310052][ T2935] ? rwlock_bug.part.0+0x90/0x90 [ 136.315018][ T2935] ? _raw_spin_lock_irq+0x41/0x50 [ 136.320082][ T2935] worker_thread+0x64c/0x1120 [ 136.324805][ T2935] ? __kthread_parkme+0x13f/0x1e0 [ 136.329861][ T2935] ? process_one_work+0x1600/0x1600 [ 136.335095][ T2935] kthread+0x3b1/0x4a0 [ 136.339198][ T2935] ? __kthread_bind_mask+0xc0/0xc0 [ 136.344353][ T2935] ret_from_fork+0x1f/0x30 [ 136.348966][ T2935] ================================================================================ [ 136.358768][ T2935] Kernel panic - not syncing: panic_on_warn set ... [ 136.365384][ T2935] CPU: 1 PID: 2935 Comm: kworker/1:2 Not tainted 5.12.0-rc4-syzkaller #0 [ 136.373830][ T2935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.384528][ T2935] Workqueue: mld mld_ifc_work [ 136.389251][ T2935] Call Trace: [ 136.392563][ T2935] dump_stack+0x141/0x1d7 [ 136.396924][ T2935] panic+0x306/0x73d [ 136.400946][ T2935] ? __warn_printk+0xf3/0xf3 [ 136.405577][ T2935] ? dump_stack+0x1c1/0x1d7 [ 136.410205][ T2935] ? ubsan_epilogue+0x3e/0x5a [ 136.414920][ T2935] ubsan_epilogue+0x54/0x5a [ 136.419467][ T2935] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 [ 136.426260][ T2935] ? calibrate_delay+0x3b9/0x1120 [ 136.431833][ T2935] ? __lock_acquire+0x16b3/0x54c0 [ 136.436897][ T2935] __qdisc_calculate_pkt_len.cold+0x62/0xcf [ 136.442843][ T2935] __dev_queue_xmit+0x121b/0x2e30 [ 136.448007][ T2935] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 136.453367][ T2935] ? __ip_finish_output+0x396/0x640 [ 136.458613][ T2935] ? mark_held_locks+0x9f/0xe0 [ 136.463426][ T2935] ? ip_finish_output2+0x15e9/0x21f0 [ 136.468760][ T2935] ip_finish_output2+0xeec/0x21f0 [ 136.474179][ T2935] ? ip_fragment.constprop.0+0x240/0x240 [ 136.479846][ T2935] ? __ip_finish_output+0x640/0x640 [ 136.485093][ T2935] ? __ip_flush_pending_frames.constprop.0+0x2c0/0x2c0 [ 136.491995][ T2935] __ip_finish_output+0x396/0x640 [ 136.497063][ T2935] ip_finish_output+0x35/0x200 [ 136.501952][ T2935] ip_output+0x196/0x310 [ 136.506229][ T2935] ip_local_out+0xaf/0x1a0 [ 136.510668][ T2935] iptunnel_xmit+0x5a3/0x9c0 [ 136.515302][ T2935] geneve_xmit+0xde1/0x2f70 [ 136.519845][ T2935] ? geneve_fill_metadata_dst+0xb70/0xb70 [ 136.525588][ T2935] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 136.531528][ T2935] ? skb_crc32c_csum_help+0x70/0x70 [ 136.536781][ T2935] ? dev_hard_start_xmit+0x66a/0x920 [ 136.542104][ T2935] dev_hard_start_xmit+0x1eb/0x920 [ 136.547266][ T2935] __dev_queue_xmit+0x209c/0x2e30 [ 136.552352][ T2935] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 136.557673][ T2935] ? __ip6_finish_output+0x4c1/0xe10 [ 136.562995][ T2935] ? mark_held_locks+0x9f/0xe0 [ 136.568222][ T2935] ? rcu_read_lock_bh_held+0x25/0x60 [ 136.573729][ T2935] ? ip6_finish_output2+0xdc8/0x1700 [ 136.579061][ T2935] ip6_finish_output2+0x911/0x1700 [ 136.584237][ T2935] __ip6_finish_output+0x4c1/0xe10 [ 136.589475][ T2935] ? in6_dev_get+0x2b0/0x2b0 [ 136.594101][ T2935] ip6_finish_output+0x35/0x200 [ 136.598988][ T2935] ip6_output+0x1e4/0x530 [ 136.603351][ T2935] mld_sendpack+0x92a/0xdb0 [ 136.607879][ T2935] ? igmp6_mcf_seq_next+0x550/0x550 [ 136.613119][ T2935] mld_ifc_work+0x73b/0xdb0 [ 136.617648][ T2935] process_one_work+0x98d/0x1600 [ 136.622618][ T2935] ? pwq_dec_nr_in_flight+0x320/0x320 [ 136.629098][ T2935] ? rwlock_bug.part.0+0x90/0x90 [ 136.634058][ T2935] ? _raw_spin_lock_irq+0x41/0x50 [ 136.639122][ T2935] worker_thread+0x64c/0x1120 [ 136.643841][ T2935] ? __kthread_parkme+0x13f/0x1e0 [ 136.648911][ T2935] ? process_one_work+0x1600/0x1600 [ 136.654135][ T2935] kthread+0x3b1/0x4a0 [ 136.658226][ T2935] ? __kthread_bind_mask+0xc0/0xc0 [ 136.663359][ T2935] ret_from_fork+0x1f/0x30 [ 136.668721][ T2935] Kernel Offset: disabled [ 136.673218][ T2935] Rebooting in 86400 seconds..