[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ 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. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.231' (ECDSA) to the list of known hosts. syzkaller login: [ 67.365975][ T8479] IPVS: ftp: loaded support on port[0] = 21 [ 67.461433][ T8479] chnl_net:caif_netlink_parms(): no params data found [ 67.516444][ T8479] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.524420][ T8479] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.532328][ T8479] device bridge_slave_0 entered promiscuous mode [ 67.542291][ T8479] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.549869][ T8479] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.558081][ T8479] device bridge_slave_1 entered promiscuous mode [ 67.579571][ T8479] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.590628][ T8479] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.614543][ T8479] team0: Port device team_slave_0 added [ 67.621992][ T8479] team0: Port device team_slave_1 added [ 67.640073][ T8479] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.647183][ T8479] 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. [ 67.673792][ T8479] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.687713][ T8479] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.695992][ T8479] 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. [ 67.722762][ T8479] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.750917][ T8479] device hsr_slave_0 entered promiscuous mode [ 67.758039][ T8479] device hsr_slave_1 entered promiscuous mode [ 67.863351][ T8479] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.878548][ T8479] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.888286][ T8479] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.901768][ T8479] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.928878][ T8479] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.936103][ T8479] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.944144][ T8479] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.951246][ T8479] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.000280][ T8479] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.016299][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.027068][ T3001] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.036421][ T3001] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.046141][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 68.060296][ T8479] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.072377][ T3158] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.081712][ T3158] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.088879][ T3158] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.103167][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.112351][ T55] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.119541][ T55] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.147178][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.157071][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.169177][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.178412][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.192866][ T8479] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.206007][ T8479] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.215153][ T3001] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.233826][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.241483][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.258010][ T8479] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.279498][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.301689][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.310449][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.318745][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.329382][ T8479] device veth0_vlan entered promiscuous mode [ 68.341498][ T8479] device veth1_vlan entered promiscuous mode [ 68.364432][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.373172][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.383098][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 68.397843][ T8479] device veth0_macvtap entered promiscuous mode [ 68.408232][ T8479] device veth1_macvtap entered promiscuous mode [ 68.428141][ T8479] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 68.435881][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 68.446931][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 68.459075][ T8479] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 68.467592][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 68.476886][ T55] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 68.491188][ T8479] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.501338][ T8479] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.510150][ T8479] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.519681][ T8479] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 68.561967][ T8479] FAULT_INJECTION: forcing a failure. [ 68.561967][ T8479] name failslab, interval 1, probability 0, space 0, times 1 [ 68.576387][ T8479] CPU: 1 PID: 8479 Comm: syz-executor218 Not tainted 5.10.0-rc4-syzkaller #0 [ 68.585169][ T8479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.595224][ T8479] Call Trace: [ 68.598538][ T8479] dump_stack+0x107/0x163 [ 68.602878][ T8479] should_fail.cold+0x5/0xa [ 68.607374][ T8479] ? can_rx_register+0x16c/0x650 [ 68.612324][ T8479] ? can_rx_register+0x16c/0x650 [ 68.617258][ T8479] should_failslab+0x5/0x10 [ 68.621831][ T8479] kmem_cache_alloc+0x33b/0x460 [ 68.626682][ T8479] can_rx_register+0x16c/0x650 [ 68.631461][ T8479] ? isotp_rcv_sf.isra.0+0x3b0/0x3b0 [ 68.636752][ T8479] ? lock_downgrade+0x6d0/0x6d0 [ 68.641603][ T8479] ? can_sock_destruct+0x30/0x30 [ 68.646542][ T8479] ? mark_held_locks+0x9f/0xe0 [ 68.651328][ T8479] isotp_bind+0x476/0xc00 [ 68.655669][ T8479] ? bpf_lsm_socket_bind+0x5/0x10 [ 68.660699][ T8479] ? security_socket_bind+0x83/0xb0 [ 68.665899][ T8479] __sys_bind+0x1e9/0x250 [ 68.670258][ T8479] ? __ia32_sys_socketpair+0xf0/0xf0 [ 68.675591][ T8479] ? vfs_write+0x18e/0xa30 [ 68.680105][ T8479] __x64_sys_bind+0x6f/0xb0 [ 68.684754][ T8479] ? syscall_enter_from_user_mode+0x1d/0x50 [ 68.691179][ T8479] do_syscall_64+0x2d/0x70 [ 68.695608][ T8479] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.701501][ T8479] RIP: 0033:0x443729 [ 68.705397][ T8479] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 eb 0d fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.725099][ T8479] RSP: 002b:00007ffc766d74e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 68.733535][ T8479] RAX: ffffffffffffffda RBX: 00007ffc766d7540 RCX: 0000000000443729 [ 68.741644][ T8479] RDX: 0000000000000018 RSI: 0000000020000040 RDI: 0000000000000003 [ 68.749632][ T8479] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000001bbbbbb [ 68.757616][ T8479] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 68.765583][ T8479] R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 [ 68.794100][ T8479] ------------[ cut here ]------------ [ 68.799698][ T8479] BUG: receive list entry not found for dev vxcan1, id 003, mask C00007FF [ 68.808897][ T8479] WARNING: CPU: 1 PID: 8479 at net/can/af_can.c:546 can_rx_unregister+0x5a4/0x700 [ 68.818248][ T8479] Modules linked in: [ 68.822211][ T8479] CPU: 1 PID: 8479 Comm: syz-executor218 Not tainted 5.10.0-rc4-syzkaller #0 [ 68.831414][ T8479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.841628][ T8479] RIP: 0010:can_rx_unregister+0x5a4/0x700 [ 68.847465][ T8479] Code: 8b 7c 24 78 44 8b 64 24 68 49 c7 c5 e0 de 56 8a e8 51 d3 95 f9 44 89 f9 44 89 e2 4c 89 ee 48 c7 c7 20 df 56 8a e8 a6 76 d3 00 <0f> 0b 48 8b 7c 24 28 e8 40 e9 0e 01 e9 54 fb ff ff e8 66 db d7 f9 [ 68.867180][ T8479] RSP: 0018:ffffc900016ff9f0 EFLAGS: 00010282 [ 68.873301][ T8479] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 68.881408][ T8479] RDX: ffff888020251a40 RSI: ffffffff8158f3c5 RDI: fffff520002dff30 [ 68.889514][ T8479] RBP: 0000000000000118 R08: 0000000000000001 R09: ffff8880b9f30627 [ 68.897615][ T8479] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000003 [ 68.908489][ T8479] R13: ffff88802c1c0000 R14: 1ffff920002dff45 R15: 00000000c00007ff [ 68.916630][ T8479] FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 68.925703][ T8479] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.932305][ T8479] CR2: 00000000004c8908 CR3: 000000000b08e000 CR4: 00000000001506e0 [ 68.940379][ T8479] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.948460][ T8479] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.956632][ T8479] Call Trace: [ 68.959944][ T8479] ? isotp_rcv_sf.isra.0+0x3b0/0x3b0 [ 68.965349][ T8479] ? can_create+0x4d0/0x4d0 [ 68.969895][ T8479] ? mark_held_locks+0x9f/0xe0 [ 68.974771][ T8479] ? __local_bh_enable_ip+0x9c/0x110 [ 68.980268][ T8479] isotp_notifier+0x2a7/0x540 [ 68.985051][ T8479] ? isotp_tx_timer_handler+0xb80/0xb80 [ 68.990638][ T8479] call_netdevice_unregister_notifiers+0x156/0x1c0 [ 68.997249][ T8479] ? netdev_cmd_to_name+0x70/0x70 [ 69.002293][ T8479] ? down_write_killable+0x170/0x170 [ 69.007684][ T8479] unregister_netdevice_notifier+0xcd/0x170 [ 69.013689][ T8479] isotp_release+0x136/0x600 [ 69.018308][ T8479] ? isotp_sendmsg+0x1330/0x1330 [ 69.023609][ T8479] ? down_write+0xdb/0x150 [ 69.028036][ T8479] ? down_write_killable+0x170/0x170 [ 69.033472][ T8479] ? locks_remove_file+0x30d/0x560 [ 69.038634][ T8479] ? fcntl_setlk+0xf10/0xf10 [ 69.043233][ T8479] __sock_release+0xcd/0x280 [ 69.047964][ T8479] sock_close+0x18/0x20 [ 69.052359][ T8479] __fput+0x285/0x920 [ 69.056469][ T8479] ? __sock_release+0x280/0x280 [ 69.061382][ T8479] task_work_run+0xdd/0x190 [ 69.065982][ T8479] do_exit+0xb64/0x29b0 [ 69.070182][ T8479] ? mm_update_next_owner+0x7a0/0x7a0 [ 69.075837][ T8479] do_group_exit+0x125/0x310 [ 69.080635][ T8479] __x64_sys_exit_group+0x3a/0x50 [ 69.085806][ T8479] do_syscall_64+0x2d/0x70 [ 69.090258][ T8479] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.096256][ T8479] RIP: 0033:0x442368 [ 69.100179][ T8479] Code: Unable to access opcode bytes at RIP 0x44233e. [ 69.108156][ T8479] RSP: 002b:00007ffc766d74a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 69.116736][ T8479] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000442368 [ 69.124826][ T8479] RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001 [ 69.132809][ T8479] RBP: 00000000004c88d0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 69.140887][ T8479] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 69.148956][ T8479] R13: 00000000006dd240 R14: 0000000000000000 R15: 0000000000000000 [ 69.157077][ T8479] Kernel panic - not syncing: panic_on_warn set ... [ 69.163692][ T8479] CPU: 1 PID: 8479 Comm: syz-executor218 Not tainted 5.10.0-rc4-syzkaller #0 [ 69.172526][ T8479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.182610][ T8479] Call Trace: [ 69.185926][ T8479] dump_stack+0x107/0x163 [ 69.190255][ T8479] panic+0x306/0x73d [ 69.194141][ T8479] ? __warn_printk+0xf3/0xf3 [ 69.198796][ T8479] ? __warn.cold+0x1a/0x44 [ 69.203225][ T8479] ? __warn+0xf1/0x210 [ 69.207288][ T8479] ? can_rx_unregister+0x5a4/0x700 [ 69.212408][ T8479] __warn.cold+0x35/0x44 [ 69.216650][ T8479] ? can_rx_unregister+0x5a4/0x700 [ 69.221755][ T8479] report_bug+0x1bd/0x210 [ 69.226097][ T8479] handle_bug+0x3c/0x60 [ 69.230252][ T8479] exc_invalid_op+0x14/0x40 [ 69.234741][ T8479] asm_exc_invalid_op+0x12/0x20 [ 69.239577][ T8479] RIP: 0010:can_rx_unregister+0x5a4/0x700 [ 69.245289][ T8479] Code: 8b 7c 24 78 44 8b 64 24 68 49 c7 c5 e0 de 56 8a e8 51 d3 95 f9 44 89 f9 44 89 e2 4c 89 ee 48 c7 c7 20 df 56 8a e8 a6 76 d3 00 <0f> 0b 48 8b 7c 24 28 e8 40 e9 0e 01 e9 54 fb ff ff e8 66 db d7 f9 [ 69.264913][ T8479] RSP: 0018:ffffc900016ff9f0 EFLAGS: 00010282 [ 69.271005][ T8479] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 69.278986][ T8479] RDX: ffff888020251a40 RSI: ffffffff8158f3c5 RDI: fffff520002dff30 [ 69.286953][ T8479] RBP: 0000000000000118 R08: 0000000000000001 R09: ffff8880b9f30627 [ 69.294935][ T8479] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000003 [ 69.302919][ T8479] R13: ffff88802c1c0000 R14: 1ffff920002dff45 R15: 00000000c00007ff [ 69.310915][ T8479] ? vprintk_func+0x95/0x1e0 [ 69.315527][ T8479] ? isotp_rcv_sf.isra.0+0x3b0/0x3b0 [ 69.320822][ T8479] ? can_create+0x4d0/0x4d0 [ 69.325334][ T8479] ? mark_held_locks+0x9f/0xe0 [ 69.330093][ T8479] ? __local_bh_enable_ip+0x9c/0x110 [ 69.335374][ T8479] isotp_notifier+0x2a7/0x540 [ 69.340065][ T8479] ? isotp_tx_timer_handler+0xb80/0xb80 [ 69.345623][ T8479] call_netdevice_unregister_notifiers+0x156/0x1c0 [ 69.352141][ T8479] ? netdev_cmd_to_name+0x70/0x70 [ 69.357174][ T8479] ? down_write_killable+0x170/0x170 [ 69.362488][ T8479] unregister_netdevice_notifier+0xcd/0x170 [ 69.368400][ T8479] isotp_release+0x136/0x600 [ 69.373007][ T8479] ? isotp_sendmsg+0x1330/0x1330 [ 69.377960][ T8479] ? down_write+0xdb/0x150 [ 69.382387][ T8479] ? down_write_killable+0x170/0x170 [ 69.387669][ T8479] ? locks_remove_file+0x30d/0x560 [ 69.392792][ T8479] ? fcntl_setlk+0xf10/0xf10 [ 69.397379][ T8479] __sock_release+0xcd/0x280 [ 69.401981][ T8479] sock_close+0x18/0x20 [ 69.406154][ T8479] __fput+0x285/0x920 [ 69.410152][ T8479] ? __sock_release+0x280/0x280 [ 69.415097][ T8479] task_work_run+0xdd/0x190 [ 69.419622][ T8479] do_exit+0xb64/0x29b0 [ 69.423789][ T8479] ? mm_update_next_owner+0x7a0/0x7a0 [ 69.429173][ T8479] do_group_exit+0x125/0x310 [ 69.433772][ T8479] __x64_sys_exit_group+0x3a/0x50 [ 69.438781][ T8479] do_syscall_64+0x2d/0x70 [ 69.443181][ T8479] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.449059][ T8479] RIP: 0033:0x442368 [ 69.452935][ T8479] Code: Unable to access opcode bytes at RIP 0x44233e. [ 69.459783][ T8479] RSP: 002b:00007ffc766d74a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 69.468216][ T8479] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000442368 [ 69.476183][ T8479] RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001 [ 69.484178][ T8479] RBP: 00000000004c88d0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 69.492176][ T8479] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 69.500195][ T8479] R13: 00000000006dd240 R14: 0000000000000000 R15: 0000000000000000 [ 69.508839][ T8479] Kernel Offset: disabled [ 69.513284][ T8479] Rebooting in 86400 seconds..