Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.25' (ECDSA) to the list of known hosts. syzkaller login: [ 60.161794][ T6886] IPVS: ftp: loaded support on port[0] = 21 [ 60.269620][ T6886] chnl_net:caif_netlink_parms(): no params data found [ 60.323731][ T6886] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.332026][ T6886] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.341363][ T6886] device bridge_slave_0 entered promiscuous mode [ 60.350543][ T6886] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.358174][ T6886] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.366411][ T6886] device bridge_slave_1 entered promiscuous mode [ 60.387729][ T6886] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.398646][ T6886] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.422844][ T6886] team0: Port device team_slave_0 added [ 60.431542][ T6886] team0: Port device team_slave_1 added [ 60.449518][ T6886] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.456605][ T6886] 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. [ 60.483340][ T6886] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.497388][ T6886] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.505440][ T6886] 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. [ 60.531959][ T6886] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.559553][ T6886] device hsr_slave_0 entered promiscuous mode [ 60.566311][ T6886] device hsr_slave_1 entered promiscuous mode [ 60.669614][ T6886] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.679421][ T6886] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.689774][ T6886] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.700271][ T6886] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.725175][ T6886] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.732313][ T6886] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.740293][ T6886] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.747613][ T6886] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.797384][ T6886] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.810902][ T2469] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.822802][ T2469] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.831959][ T2469] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.840500][ T2469] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 60.853575][ T6886] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.866764][ T2621] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.875487][ T2621] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.882568][ T2621] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.906626][ T7096] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.916393][ T7096] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.923440][ T7096] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.932179][ T7096] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.952558][ T6886] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.963753][ T6886] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.977887][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.986187][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.995201][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.003672][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.015608][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.032679][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.040363][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.056006][ T6886] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.075432][ T2469] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.096340][ T2469] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.107374][ T2469] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.115127][ T2469] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.126762][ T6886] device veth0_vlan entered promiscuous mode [ 61.139038][ T6886] device veth1_vlan entered promiscuous mode [ 61.162453][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 61.171556][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 61.179994][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.191091][ T6886] device veth0_macvtap entered promiscuous mode [ 61.201152][ T6886] device veth1_macvtap entered promiscuous mode [ 61.220671][ T6886] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.229322][ T2469] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 61.239696][ T2469] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 61.251418][ T6886] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 61.259980][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 61.269338][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 61.281609][ T6886] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.291080][ T6886] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.299902][ T6886] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.309242][ T6886] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 61.361175][ T6886] [ 61.363530][ T6886] ===================================================== [ 61.363537][ T6886] WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected [ 61.363544][ T6886] 5.9.0-rc4-next-20200908-syzkaller #0 Not tainted [ 61.363547][ T6886] ----------------------------------------------------- [ 61.363560][ T6886] syz-executor198/6886 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: [ 61.363564][ T6886] ffff88809ad60638 (&f->f_owner.lock){.+.+}-{2:2}, at: send_sigio+0x24/0x320 [ 61.363594][ T6886] [ 61.363594][ T6886] and this task is already holding: [ 61.363597][ T6886] ffff888092b709f0 (&new->fa_lock){....}-{2:2}, at: kill_fasync+0x14b/0x460 [ 61.363620][ T6886] which would create a new lock dependency: [ 61.363622][ T6886] (&new->fa_lock){....}-{2:2} -> (&f->f_owner.lock){.+.+}-{2:2} [ 61.363648][ T6886] [ 61.363648][ T6886] but this new dependency connects a HARDIRQ-irq-safe lock: [ 61.363650][ T6886] (&dev->event_lock){-...}-{2:2} [ 61.363662][ T6886] [ 61.363662][ T6886] ... which became HARDIRQ-irq-safe at: [ 61.363676][ T6886] lock_acquire+0x1f3/0xaf0 [ 61.363690][ T6886] _raw_spin_lock_irqsave+0x94/0xd0 [ 61.363701][ T6886] input_event+0x7b/0xb0 [ 61.363726][ T6886] psmouse_report_standard_buttons+0x2c/0x80 [ 61.363737][ T6886] psmouse_process_byte+0x1e1/0x890 [ 61.363756][ T6886] psmouse_handle_byte+0x41/0x1b0 [ 61.491350][ T6886] psmouse_interrupt+0x2fa/0xe90 [ 61.491362][ T6886] serio_interrupt+0x88/0x150 [ 61.491372][ T6886] i8042_interrupt+0x270/0x500 [ 61.491382][ T6886] __handle_irq_event_percpu+0x223/0xaa0 [ 61.491391][ T6886] handle_irq_event+0x102/0x290 [ 61.491403][ T6886] handle_edge_irq+0x25f/0xd00 [ 61.491413][ T6886] asm_call_on_stack+0xf/0x20 [ 61.491425][ T6886] common_interrupt+0x115/0x1f0 [ 61.491434][ T6886] asm_common_interrupt+0x1e/0x40 [ 61.491446][ T6886] lock_acquire+0x27b/0xaf0 [ 61.491458][ T6886] path_init+0x851/0x13c0 [ 61.491466][ T6886] path_openat+0x185/0x2730 [ 61.491485][ T6886] do_filp_open+0x17e/0x3c0 [ 61.554266][ T6886] do_open_execat+0x116/0x690 [ 61.559013][ T6886] bprm_execve+0x508/0x1b10 [ 61.563612][ T6886] kernel_execve+0x370/0x460 [ 61.568276][ T6886] call_usermodehelper_exec_async+0x27a/0x500 [ 61.574404][ T6886] ret_from_fork+0x1f/0x30 [ 61.578960][ T6886] [ 61.578960][ T6886] to a HARDIRQ-irq-unsafe lock: [ 61.585959][ T6886] (&f->f_owner.lock){.+.+}-{2:2} [ 61.585971][ T6886] [ 61.585971][ T6886] ... which became HARDIRQ-irq-unsafe at: [ 61.598985][ T6886] ... [ 61.598998][ T6886] lock_acquire+0x1f3/0xaf0 [ 61.606126][ T6886] _raw_read_lock+0x5b/0x70 [ 61.610691][ T6886] send_sigurg+0x1e/0xa60 [ 61.615080][ T6886] sk_send_sigurg+0x76/0x300 [ 61.619733][ T6886] tcp_check_urg.isra.0+0x1f4/0x710 [ 61.624989][ T6886] tcp_rcv_established+0x10b9/0x1eb0 [ 61.630348][ T6886] tcp_v4_do_rcv+0x5d1/0x870 [ 61.636038][ T6886] __release_sock+0x134/0x3a0 [ 61.640771][ T6886] release_sock+0x54/0x1b0 [ 61.645267][ T6886] tcp_sendmsg+0x36/0x40 [ 61.649569][ T6886] inet_sendmsg+0x99/0xe0 [ 61.653959][ T6886] sock_sendmsg+0xcf/0x120 [ 61.658444][ T6886] __sys_sendto+0x21c/0x320 [ 61.663011][ T6886] __x64_sys_sendto+0xdd/0x1b0 [ 61.667837][ T6886] do_syscall_64+0x2d/0x70 [ 61.672319][ T6886] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.678267][ T6886] [ 61.678267][ T6886] other info that might help us debug this: [ 61.678267][ T6886] [ 61.688585][ T6886] Chain exists of: [ 61.688585][ T6886] &dev->event_lock --> &new->fa_lock --> &f->f_owner.lock [ 61.688585][ T6886] [ 61.701715][ T6886] Possible interrupt unsafe locking scenario: [ 61.701715][ T6886] [ 61.710011][ T6886] CPU0 CPU1 [ 61.715786][ T6886] ---- ---- [ 61.721121][ T6886] lock(&f->f_owner.lock); [ 61.725599][ T6886] local_irq_disable(); [ 61.732349][ T6886] lock(&dev->event_lock); [ 61.739355][ T6886] lock(&new->fa_lock); [ 61.746088][ T6886] [ 61.749521][ T6886] lock(&dev->event_lock); [ 61.754173][ T6886] [ 61.754173][ T6886] *** DEADLOCK *** [ 61.754173][ T6886] [ 61.762294][ T6886] 8 locks held by syz-executor198/6886: [ 61.767833][ T6886] #0: ffff88809d2b5160 (&evdev->mutex){+.+.}-{3:3}, at: evdev_write+0x1cd/0x750 [ 61.776946][ T6886] #1: ffff88809eddc230 (&dev->event_lock){-...}-{2:2}, at: input_inject_event+0xa6/0x310 [ 61.786833][ T6886] #2: ffffffff89c68540 (rcu_read_lock){....}-{1:2}, at: input_inject_event+0x92/0x310 [ 61.796445][ T6886] #3: ffffffff89c68540 (rcu_read_lock){....}-{1:2}, at: input_pass_values.part.0+0x0/0x700 [ 61.806488][ T6886] #4: ffffffff89c68540 (rcu_read_lock){....}-{1:2}, at: evdev_events+0x55/0x330 [ 61.815590][ T6886] #5: ffff8880a81d4028 (&client->buffer_lock){....}-{2:2}, at: evdev_pass_values+0x195/0xa30 [ 61.825908][ T6886] #6: ffffffff89c68540 (rcu_read_lock){....}-{1:2}, at: kill_fasync+0x3d/0x460 [ 61.834912][ T6886] #7: ffff888092b709f0 (&new->fa_lock){....}-{2:2}, at: kill_fasync+0x14b/0x460 [ 61.844017][ T6886] [ 61.844017][ T6886] the dependencies between HARDIRQ-irq-safe lock and the holding lock: [ 61.854418][ T6886] -> (&dev->event_lock){-...}-{2:2} { [ 61.859963][ T6886] IN-HARDIRQ-W at: [ 61.864129][ T6886] lock_acquire+0x1f3/0xaf0 [ 61.870621][ T6886] _raw_spin_lock_irqsave+0x94/0xd0 [ 61.877805][ T6886] input_event+0x7b/0xb0 [ 61.884038][ T6886] psmouse_report_standard_buttons+0x2c/0x80 [ 61.891993][ T6886] psmouse_process_byte+0x1e1/0x890 [ 61.899164][ T6886] psmouse_handle_byte+0x41/0x1b0 [ 61.906161][ T6886] psmouse_interrupt+0x2fa/0xe90 [ 61.914026][ T6886] serio_interrupt+0x88/0x150 [ 61.920688][ T6886] i8042_interrupt+0x270/0x500 [ 61.927422][ T6886] __handle_irq_event_percpu+0x223/0xaa0 [ 61.935024][ T6886] handle_irq_event+0x102/0x290 [ 61.941843][ T6886] handle_edge_irq+0x25f/0xd00 [ 61.948593][ T6886] asm_call_on_stack+0xf/0x20 [ 61.955243][ T6886] common_interrupt+0x115/0x1f0 [ 61.962063][ T6886] asm_common_interrupt+0x1e/0x40 [ 61.969070][ T6886] lock_acquire+0x27b/0xaf0 [ 61.975545][ T6886] path_init+0x851/0x13c0 [ 61.981841][ T6886] path_openat+0x185/0x2730 [ 61.988310][ T6886] do_filp_open+0x17e/0x3c0 [ 61.994798][ T6886] do_open_execat+0x116/0x690 [ 62.001462][ T6886] bprm_execve+0x508/0x1b10 [ 62.007948][ T6886] kernel_execve+0x370/0x460 [ 62.014513][ T6886] call_usermodehelper_exec_async+0x27a/0x500 [ 62.022561][ T6886] ret_from_fork+0x1f/0x30 [ 62.028954][ T6886] INITIAL USE at: [ 62.033011][ T6886] lock_acquire+0x1f3/0xaf0 [ 62.039400][ T6886] _raw_spin_lock_irqsave+0x94/0xd0 [ 62.046490][ T6886] input_inject_event+0xa6/0x310 [ 62.053309][ T6886] led_set_brightness_nosleep+0xe6/0x1a0 [ 62.060833][ T6886] led_set_brightness+0x134/0x170 [ 62.067739][ T6886] led_trigger_event+0x70/0xd0 [ 62.074386][ T6886] kbd_led_trigger_activate+0xfa/0x130 [ 62.081740][ T6886] led_trigger_set+0x61e/0xbd0 [ 62.088485][ T6886] led_trigger_set_default+0x1a6/0x230 [ 62.096534][ T6886] led_classdev_register_ext+0x511/0x6a0 [ 62.105018][ T6886] input_leds_connect+0x3e8/0x6c0 [ 62.111924][ T6886] input_attach_handler+0x180/0x1f0 [ 62.119047][ T6886] input_register_device.cold+0xf0/0x243 [ 62.126607][ T6886] atkbd_connect+0x736/0x9d0 [ 62.133092][ T6886] serio_driver_probe+0x72/0xa0 [ 62.139832][ T6886] really_probe+0x282/0x9f0 [ 62.146219][ T6886] driver_probe_device+0xfe/0x1d0 [ 62.153233][ T6886] device_driver_attach+0x228/0x290 [ 62.161288][ T6886] __driver_attach+0xda/0x240 [ 62.168547][ T6886] bus_for_each_dev+0x147/0x1d0 [ 62.175390][ T6886] serio_handle_event+0x5f6/0xa30 [ 62.182313][ T6886] process_one_work+0x94c/0x1670 [ 62.189145][ T6886] worker_thread+0x64c/0x1120 [ 62.195718][ T6886] kthread+0x3af/0x4a0 [ 62.201784][ T6886] ret_from_fork+0x1f/0x30 [ 62.208090][ T6886] } [ 62.210744][ T6886] ... key at: [] __key.5+0x0/0x40 [ 62.218000][ T6886] ... acquired at: [ 62.221956][ T6886] _raw_spin_lock+0x2a/0x40 [ 62.226707][ T6886] evdev_pass_values+0x195/0xa30 [ 62.231788][ T6886] evdev_events+0x20c/0x330 [ 62.236438][ T6886] input_to_handler+0x2a0/0x4c0 [ 62.241483][ T6886] input_pass_values.part.0+0x284/0x700 [ 62.247182][ T6886] input_handle_event+0x324/0x1390 [ 62.252880][ T6886] input_inject_event+0x2f5/0x310 [ 62.258068][ T6886] evdev_write+0x424/0x750 [ 62.262653][ T6886] vfs_write+0x28e/0x700 [ 62.267056][ T6886] ksys_write+0x1ee/0x250 [ 62.271553][ T6886] do_syscall_64+0x2d/0x70 [ 62.276127][ T6886] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.282257][ T6886] [ 62.284643][ T6886] -> (&client->buffer_lock){....}-{2:2} { [ 62.290431][ T6886] INITIAL USE at: [ 62.294413][ T6886] lock_acquire+0x1f3/0xaf0 [ 62.300634][ T6886] _raw_spin_lock+0x2a/0x40 [ 62.306847][ T6886] evdev_pass_values+0x195/0xa30 [ 62.313512][ T6886] evdev_events+0x20c/0x330 [ 62.319725][ T6886] input_to_handler+0x2a0/0x4c0 [ 62.326285][ T6886] input_pass_values.part.0+0x284/0x700 [ 62.333550][ T6886] input_handle_event+0x324/0x1390 [ 62.340370][ T6886] input_inject_event+0x2f5/0x310 [ 62.347115][ T6886] evdev_write+0x424/0x750 [ 62.353281][ T6886] vfs_write+0x28e/0x700 [ 62.359234][ T6886] ksys_write+0x1ee/0x250 [ 62.365291][ T6886] do_syscall_64+0x2d/0x70 [ 62.371441][ T6886] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.379035][ T6886] } [ 62.381644][ T6886] ... key at: [] __key.4+0x0/0x40 [ 62.388808][ T6886] ... acquired at: [ 62.392712][ T6886] _raw_read_lock+0x5b/0x70 [ 62.397366][ T6886] kill_fasync+0x14b/0x460 [ 62.401928][ T6886] evdev_pass_values+0x715/0xa30 [ 62.407010][ T6886] evdev_events+0x20c/0x330 [ 62.411659][ T6886] input_to_handler+0x2a0/0x4c0 [ 62.416672][ T6886] input_pass_values.part.0+0x284/0x700 [ 62.422362][ T6886] input_handle_event+0x324/0x1390 [ 62.427620][ T6886] input_inject_event+0x2f5/0x310 [ 62.432791][ T6886] evdev_write+0x424/0x750 [ 62.437371][ T6886] vfs_write+0x28e/0x700 [ 62.441788][ T6886] ksys_write+0x1ee/0x250 [ 62.446286][ T6886] do_syscall_64+0x2d/0x70 [ 62.451083][ T6886] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.457115][ T6886] [ 62.459427][ T6886] -> (&new->fa_lock){....}-{2:2} { [ 62.464518][ T6886] (null) at: [ 62.467991][ T6886] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN [ 62.479712][ T6886] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 62.488101][ T6886] CPU: 1 PID: 6886 Comm: syz-executor198 Not tainted 5.9.0-rc4-next-20200908-syzkaller #0 [ 62.497971][ T6886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.508023][ T6886] RIP: 0010:print_shortest_lock_dependencies.cold+0x110/0x2af [ 62.515468][ T6886] Code: 48 8b 04 24 48 c1 e8 03 42 80 3c 20 00 74 09 48 8b 3c 24 e8 dd fb de f9 48 8b 04 24 48 8b 00 48 8d 78 14 48 89 fa 48 c1 ea 03 <42> 0f b6 0c 22 48 89 fa 83 e2 07 83 c2 03 38 ca 7c 08 84 c9 0f 85 [ 62.535149][ T6886] RSP: 0018:ffffc900055e75c0 EFLAGS: 00010003 [ 62.541190][ T6886] RAX: 0000000000000001 RBX: ffffc900055e7718 RCX: 0000000000000000 [ 62.549135][ T6886] RDX: 0000000000000002 RSI: ffffffff815bc817 RDI: 0000000000000015 [ 62.557080][ T6886] RBP: ffffc900055e7718 R08: 0000000000000004 R09: ffff8880ae720f8b [ 62.565027][ T6886] R10: 0000000000000000 R11: 6c6c756e28202020 R12: dffffc0000000000 [ 62.572972][ T6886] R13: ffffffff8c6ff160 R14: 0000000000000009 R15: 0000000000000000 [ 62.580919][ T6886] FS: 0000000000fee880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 62.589820][ T6886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.596482][ T6886] CR2: 0000000020e68000 CR3: 0000000092552000 CR4: 00000000001506e0 [ 62.604439][ T6886] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.612473][ T6886] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.620433][ T6886] Call Trace: [ 62.623720][ T6886] check_irq_usage.cold+0x42d/0x5b0 [ 62.628901][ T6886] ? is_bpf_text_address+0xcb/0x160 [ 62.634074][ T6886] ? print_shortest_lock_dependencies+0x80/0x80 [ 62.640300][ T6886] ? perf_trace_lock+0x4a0/0x4a0 [ 62.646165][ T6886] ? mark_lock+0xf7/0x2300 [ 62.650570][ T6886] ? check_path.constprop.0+0x22/0x40 [ 62.655929][ T6886] ? stack_trace_save+0x8c/0xc0 [ 62.660751][ T6886] ? stack_trace_consume_entry+0x160/0x160 [ 62.666545][ T6886] ? alloc_chain_hlocks+0x1ec/0x5b0 [ 62.671716][ T6886] __lock_acquire+0x2800/0x55d0 [ 62.676565][ T6886] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 62.682532][ T6886] lock_acquire+0x1f3/0xaf0 [ 62.687009][ T6886] ? send_sigio+0x24/0x320 [ 62.691451][ T6886] ? lock_release+0x8f0/0x8f0 [ 62.696104][ T6886] ? lock_release+0x8f0/0x8f0 [ 62.700764][ T6886] ? lock_release+0x8f0/0x8f0 [ 62.705414][ T6886] ? lock_release+0x8f0/0x8f0 [ 62.710065][ T6886] _raw_read_lock+0x5b/0x70 [ 62.714540][ T6886] ? send_sigio+0x24/0x320 [ 62.718925][ T6886] send_sigio+0x24/0x320 [ 62.723148][ T6886] kill_fasync+0x205/0x460 [ 62.727535][ T6886] evdev_pass_values+0x715/0xa30 [ 62.732442][ T6886] ? evdev_read+0xe30/0xe30 [ 62.736937][ T6886] ? ktime_mono_to_any+0x80/0xa0 [ 62.741845][ T6886] ? lock_is_held_type+0xbb/0xf0 [ 62.746753][ T6886] evdev_events+0x20c/0x330 [ 62.751235][ T6886] ? evdev_pass_values+0xa30/0xa30 [ 62.756321][ T6886] input_to_handler+0x2a0/0x4c0 [ 62.761154][ T6886] input_pass_values.part.0+0x284/0x700 [ 62.766674][ T6886] input_handle_event+0x324/0x1390 [ 62.771765][ T6886] input_inject_event+0x2f5/0x310 [ 62.776761][ T6886] evdev_write+0x424/0x750 [ 62.781147][ T6886] ? evdev_event+0xc0/0xc0 [ 62.785547][ T6886] ? security_file_permission+0x248/0x560 [ 62.791237][ T6886] ? evdev_event+0xc0/0xc0 [ 62.795625][ T6886] vfs_write+0x28e/0x700 [ 62.799851][ T6886] ksys_write+0x1ee/0x250 [ 62.804167][ T6886] ? __ia32_sys_read+0xb0/0xb0 [ 62.808916][ T6886] ? syscall_enter_from_user_mode+0x1d/0x60 [ 62.814779][ T6886] ? check_preemption_disabled+0x50/0x130 [ 62.820469][ T6886] ? syscall_enter_from_user_mode+0x1d/0x60 [ 62.826334][ T6886] do_syscall_64+0x2d/0x70 [ 62.830898][ T6886] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.836774][ T6886] RIP: 0033:0x447769 [ 62.840644][ T6886] 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 0b d2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 62.860235][ T6886] RSP: 002b:00007ffe05f41328 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.868624][ T6886] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000447769 [ 62.876582][ T6886] RDX: 0000000000000373 RSI: 0000000020000040 RDI: 0000000000000004 [ 62.884528][ T6886] RBP: 00007ffe05f41340 R08: 00000000bb1414ac R09: 00000000bb1414ac [ 62.893269][ T6886] R10: 00000000bb1414ac R11: 0000000000000246 R12: 00007ffe05f41370 [ 62.901214][ T6886] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 62.909160][ T6886] Modules linked in: [ 62.913035][ T6886] ---[ end trace 0cc9cc1229a01108 ]--- [ 62.918474][ T6886] RIP: 0010:print_shortest_lock_dependencies.cold+0x110/0x2af [ 62.925912][ T6886] Code: 48 8b 04 24 48 c1 e8 03 42 80 3c 20 00 74 09 48 8b 3c 24 e8 dd fb de f9 48 8b 04 24 48 8b 00 48 8d 78 14 48 89 fa 48 c1 ea 03 <42> 0f b6 0c 22 48 89 fa 83 e2 07 83 c2 03 38 ca 7c 08 84 c9 0f 85 [ 62.945488][ T6886] RSP: 0018:ffffc900055e75c0 EFLAGS: 00010003 [ 62.951525][ T6886] RAX: 0000000000000001 RBX: ffffc900055e7718 RCX: 0000000000000000 [ 62.959491][ T6886] RDX: 0000000000000002 RSI: ffffffff815bc817 RDI: 0000000000000015 [ 62.967435][ T6886] RBP: ffffc900055e7718 R08: 0000000000000004 R09: ffff8880ae720f8b [ 62.975378][ T6886] R10: 0000000000000000 R11: 6c6c756e28202020 R12: dffffc0000000000 [ 62.983329][ T6886] R13: ffffffff8c6ff160 R14: 0000000000000009 R15: 0000000000000000 [ 62.991273][ T6886] FS: 0000000000fee880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 63.000172][ T6886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.006738][ T6886] CR2: 0000000020e68000 CR3: 0000000092552000 CR4: 00000000001506e0 [ 63.014683][ T6886] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.022632][ T6886] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.030662][ T6886] Kernel panic - not syncing: Fatal exception [ 63.037801][ T6886] Kernel Offset: disabled [ 63.042117][ T6886] Rebooting in 86400 seconds..