Warning: Permanently added '10.128.0.138' (ECDSA) to the list of known hosts. [ 47.918381][ T8389] IPVS: ftp: loaded support on port[0] = 21 [ 48.030959][ T8389] chnl_net:caif_netlink_parms(): no params data found [ 48.105744][ T8389] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.114315][ T8389] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.124601][ T8389] device bridge_slave_0 entered promiscuous mode [ 48.133665][ T8389] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.140847][ T8389] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.148456][ T8389] device bridge_slave_1 entered promiscuous mode [ 48.167191][ T8389] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.178244][ T8389] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.200998][ T8389] team0: Port device team_slave_0 added [ 48.208042][ T8389] team0: Port device team_slave_1 added [ 48.224789][ T8389] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 48.231831][ T8389] 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. [ 48.257745][ T8389] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 48.270644][ T8389] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 48.277592][ T8389] 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. [ 48.303497][ T8389] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 48.327220][ T8389] device hsr_slave_0 entered promiscuous mode [ 48.335072][ T8389] device hsr_slave_1 entered promiscuous mode [ 48.421355][ T8389] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 48.435328][ T8389] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 48.445220][ T8389] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 48.455797][ T8389] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 48.477339][ T8389] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.484549][ T8389] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.492447][ T8389] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.499670][ T8389] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.535716][ T8389] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.547569][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.561567][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.570930][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.578604][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 48.593398][ T8389] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.604232][ T4916] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.613405][ T4916] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.620531][ T4916] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.635659][ T3795] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.644314][ T3795] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.651417][ T3795] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.669880][ T3795] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.678686][ T3795] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.693841][ T8389] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 48.706234][ T8389] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 48.720524][ T4916] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.728197][ T4916] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.737162][ T4916] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.748025][ T8600] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.763778][ T2932] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.771483][ T2932] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.784116][ T8389] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.801419][ T8600] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.820151][ T2932] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.828271][ T2932] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.836923][ T2932] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.846323][ T8389] device veth0_vlan entered promiscuous mode [ 48.859784][ T8389] device veth1_vlan entered promiscuous mode [ 48.877967][ T8600] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 48.886399][ T8600] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 48.895986][ T8600] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.907544][ T8389] device veth0_macvtap entered promiscuous mode [ 48.916879][ T8389] device veth1_macvtap entered promiscuous mode [ 48.934650][ T8389] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 48.943352][ T8600] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.954224][ T8600] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 48.965864][ T8389] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 48.975530][ T2932] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 48.986393][ T8389] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.999092][ T8389] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.007893][ T8389] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.019391][ T8389] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 49.093085][ T226] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.122865][ T226] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.136124][ T8600] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 49.180698][ T455] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 49.188857][ T455] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 49.197512][ T2932] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 49.218492][ T8389] ttyprintk ttyprintk: tty_port_close_start: tty->count = 1 port count = 2 [ 49.227753][ C0] [ 49.227759][ C0] ====================================================== [ 49.227762][ C0] WARNING: possible circular locking dependency detected [ 49.227764][ C0] 5.12.0-rc3-syzkaller #0 Not tainted [ 49.227767][ C0] ------------------------------------------------------ [ 49.227770][ C0] syz-executor874/8389 is trying to acquire lock: [ 49.227772][ C0] ffffffff8c704b40 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x2d/0x60 [ 49.227786][ C0] [ 49.227788][ C0] but task is already holding lock: [ 49.227790][ C0] ffffffff90354858 (&port->lock){-.-.}-{2:2}, at: tty_port_close_start+0x58/0x550 [ 49.227799][ C0] [ 49.227800][ C0] which lock already depends on the new lock. [ 49.227802][ C0] [ 49.227804][ C0] [ 49.227805][ C0] the existing dependency chain (in reverse order) is: [ 49.227807][ C0] [ 49.227809][ C0] -> #2 (&port->lock){-.-.}-{2:2}: [ 49.227816][ C0] lock_acquire+0x126/0x650 [ 49.227818][ C0] _raw_spin_lock_irqsave+0x73/0xa0 [ 49.227821][ C0] tty_port_tty_get+0x21/0xe0 [ 49.227823][ C0] tty_port_default_wakeup+0x11/0x40 [ 49.227825][ C0] serial8250_tx_chars+0x5ea/0x800 [ 49.227827][ C0] serial8250_handle_irq+0x2fd/0x3e0 [ 49.227829][ C0] serial8250_default_handle_irq+0xaf/0x190 [ 49.227832][ C0] serial8250_interrupt+0xa3/0x1e0 [ 49.227834][ C0] __handle_irq_event_percpu+0x1b7/0x620 [ 49.227836][ C0] handle_irq_event+0xbd/0x280 [ 49.227838][ C0] handle_edge_irq+0x245/0xbe0 [ 49.227840][ C0] __common_interrupt+0xce/0x1e0 [ 49.227842][ C0] common_interrupt+0x9c/0xc0 [ 49.227844][ C0] asm_common_interrupt+0x1e/0x40 [ 49.227846][ C0] acpi_idle_enter+0x3c9/0x700 [ 49.227848][ C0] cpuidle_enter_state+0x486/0xd50 [ 49.227850][ C0] cpuidle_enter+0x59/0x90 [ 49.227852][ C0] do_idle+0x315/0x530 [ 49.227854][ C0] cpu_startup_entry+0x15/0x20 [ 49.227856][ C0] start_kernel+0x49e/0x544 [ 49.227858][ C0] secondary_startup_64_no_verify+0xb0/0xbb [ 49.227860][ C0] [ 49.227862][ C0] -> #1 (&port_lock_key){-.-.}-{2:2}: [ 49.227871][ C0] lock_acquire+0x126/0x650 [ 49.227873][ C0] _raw_spin_lock_irqsave+0x73/0xa0 [ 49.227875][ C0] serial8250_console_write+0x107/0xd20 [ 49.227877][ C0] console_unlock+0x930/0xe00 [ 49.227879][ C0] vprintk_emit+0x1ab/0x270 [ 49.227881][ C0] printk+0x62/0x83 [ 49.227883][ C0] register_console+0x802/0xad0 [ 49.227885][ C0] univ8250_console_init+0x41/0x43 [ 49.227887][ C0] console_init+0x52/0x97 [ 49.227889][ C0] start_kernel+0x30c/0x544 [ 49.227891][ C0] secondary_startup_64_no_verify+0xb0/0xbb [ 49.227893][ C0] [ 49.227894][ C0] -> #0 (console_owner){....}-{0:0}: [ 49.227902][ C0] check_prevs_add+0x339/0x5c20 [ 49.227904][ C0] __lock_acquire+0x41f7/0x5e60 [ 49.227906][ C0] lock_acquire+0x126/0x650 [ 49.227908][ C0] console_lock_spinning_enable+0x52/0x60 [ 49.227911][ C0] console_unlock+0x66e/0xe00 [ 49.227913][ C0] vprintk_emit+0x1ab/0x270 [ 49.227914][ C0] printk+0x62/0x83 [ 49.227916][ C0] tty_port_close_start+0x3c8/0x550 [ 49.227919][ C0] tty_port_close+0x26/0x140 [ 49.227920][ C0] tty_release+0x30c/0xef0 [ 49.227922][ C0] __fput+0x352/0x7b0 [ 49.227924][ C0] task_work_run+0x146/0x1c0 [ 49.227926][ C0] exit_to_user_mode_prepare+0x10b/0x1e0 [ 49.227929][ C0] syscall_exit_to_user_mode+0x26/0x70 [ 49.227931][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 49.227933][ C0] [ 49.227934][ C0] other info that might help us debug this: [ 49.227936][ C0] [ 49.227938][ C0] Chain exists of: [ 49.227941][ C0] console_owner --> &port_lock_key --> &port->lock [ 49.227953][ C0] [ 49.227954][ C0] Possible unsafe locking scenario: [ 49.227956][ C0] [ 49.227957][ C0] CPU0 CPU1 [ 49.227960][ C0] ---- ---- [ 49.227961][ C0] lock(&port->lock); [ 49.227966][ C0] lock(&port_lock_key); [ 49.227971][ C0] lock(&port->lock); [ 49.227980][ C0] lock(console_owner); [ 49.227984][ C0] [ 49.227986][ C0] *** DEADLOCK *** [ 49.227987][ C0] [ 49.227989][ C0] 3 locks held by syz-executor874/8389: [ 49.227991][ C0] #0: ffff888029e751c0 (&tty->legacy_mutex){+.+.}-{3:3}, at: tty_release+0xac/0xef0 [ 49.228001][ C0] #1: ffffffff90354858 (&port->lock){-.-.}-{2:2}, at: tty_port_close_start+0x58/0x550 [ 49.228013][ C0] #2: ffffffff8c5ec860 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x192/0x270 [ 49.228022][ C0] [ 49.228024][ C0] stack backtrace: [ 49.228026][ C0] CPU: 0 PID: 8389 Comm: syz-executor874 Not tainted 5.12.0-rc3-syzkaller #0 [ 49.228031][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.228033][ C0] Call Trace: [ 49.228035][ C0] dump_stack+0x176/0x24e [ 49.228037][ C0] print_circular_bug+0xadf/0xd80 [ 49.228039][ C0] ? stack_trace_save+0xad/0x150 [ 49.228041][ C0] ? save_trace+0x5a/0x9f0 [ 49.228042][ C0] check_noncircular+0x221/0x2d0 [ 49.228044][ C0] ? add_lock_to_list+0x1c7/0x2d0 [ 49.228046][ C0] check_prevs_add+0x339/0x5c20 [ 49.228048][ C0] ? mark_lock+0x13a/0x1fe0 [ 49.228050][ C0] ? mark_lock+0x13a/0x1fe0 [ 49.228052][ C0] ? put_dec_trunc8+0x18a/0x390 [ 49.228054][ C0] ? put_dec+0xb9/0xe0 [ 49.228055][ C0] __lock_acquire+0x41f7/0x5e60 [ 49.228057][ C0] lock_acquire+0x126/0x650 [ 49.228059][ C0] ? console_lock_spinning_enable+0x2d/0x60 [ 49.228061][ C0] ? console_lock_spinning_enable+0x2d/0x60 [ 49.228063][ C0] console_lock_spinning_enable+0x52/0x60 [ 49.228066][ C0] ? console_lock_spinning_enable+0x2d/0x60 [ 49.228068][ C0] console_unlock+0x66e/0xe00 [ 49.228070][ C0] vprintk_emit+0x1ab/0x270 [ 49.228071][ C0] printk+0x62/0x83 [ 49.228073][ C0] tty_port_close_start+0x3c8/0x550 [ 49.228075][ C0] ? tpk_open+0x60/0x60 [ 49.228077][ C0] tty_port_close+0x26/0x140 [ 49.228079][ C0] ? tpk_open+0x60/0x60 [ 49.228080][ C0] tty_release+0x30c/0xef0 [ 49.228082][ C0] ? __fsnotify_parent+0x44e/0x620 [ 49.228084][ C0] ? ima_file_free+0xe8/0x3b0 [ 49.228086][ C0] ? tty_release_struct+0xd0/0xd0 [ 49.228089][ C0] __fput+0x352/0x7b0 [ 49.228091][ C0] task_work_run+0x146/0x1c0 [ 49.228093][ C0] exit_to_user_mode_prepare+0x10b/0x1e0 [ 49.228095][ C0] ? trace_irq_disable_rcuidle+0x11/0x170 [ 49.228098][ C0] syscall_exit_to_user_mode+0x26/0x70 [ 49.228101][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 49.228103][ C0] RIP: 0033:0x409f4b [ 49.228106][ C0] Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 03 fd ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 41 fd ff ff 8b 44 [ 49.228111][ C0] RSP: 002b:00007fff0e09e5f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 49.228115][ C0] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000409f4b [ 49.228118][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 49.228121][ C0] RBP