[ 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. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.203' (ECDSA) to the list of known hosts. syzkaller login: [ 55.038773][ T8384] IPVS: ftp: loaded support on port[0] = 21 [ 55.101187][ T8384] chnl_net:caif_netlink_parms(): no params data found [ 55.141023][ T8384] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.149018][ T8384] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.158050][ T8384] device bridge_slave_0 entered promiscuous mode [ 55.167158][ T8384] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.175348][ T8384] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.183314][ T8384] device bridge_slave_1 entered promiscuous mode [ 55.199656][ T8384] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.210660][ T8384] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.228329][ T8384] team0: Port device team_slave_0 added [ 55.236011][ T8384] team0: Port device team_slave_1 added [ 55.250599][ T8384] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 55.257514][ T8384] 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. [ 55.284197][ T8384] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 55.297539][ T8384] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 55.304728][ T8384] 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. [ 55.330771][ T8384] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 55.353340][ T8384] device hsr_slave_0 entered promiscuous mode [ 55.360084][ T8384] device hsr_slave_1 entered promiscuous mode [ 55.433052][ T8384] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.443014][ T8384] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.453471][ T8384] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.462319][ T8384] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.482590][ T8384] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.490083][ T8384] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.497520][ T8384] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.504599][ T8384] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.541784][ T8384] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.554102][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.564056][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.572774][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.580930][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 55.593395][ T8384] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.603190][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.611994][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.619070][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.631092][ T3166] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.639627][ T3166] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.646659][ T3166] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.663640][ T3166] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.672092][ T3166] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.684392][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.698771][ T8384] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 55.709876][ T8384] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.722012][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.730309][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.738404][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.754691][ T3166] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.762700][ T3166] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.774571][ T8384] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.815677][ T3166] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.831847][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.840919][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.848871][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.859961][ T8384] device veth0_vlan entered promiscuous mode [ 55.870534][ T8384] device veth1_vlan entered promiscuous mode [ 55.888764][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 55.897333][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 55.906218][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.916694][ T8384] device veth0_macvtap entered promiscuous mode [ 55.925722][ T8384] device veth1_macvtap entered promiscuous mode [ 55.941861][ T8384] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.950311][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.961104][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready executing program [ 55.972473][ T8384] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.980444][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 55.992306][ T8384] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.001268][ T8384] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.010448][ T8384] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.019403][ T8384] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 56.051420][ T8384] [ 56.053912][ T8384] ======================================================== [ 56.061245][ T8384] WARNING: possible irq lock inversion dependency detected [ 56.068405][ T8384] 5.12.0-syzkaller #0 Not tainted [ 56.073397][ T8384] -------------------------------------------------------- [ 56.080558][ T8384] syz-executor938/8384 just changed the state of lock: [ 56.087373][ T8384] ffff8880139b4018 (&new->fa_lock){.+..}-{2:2}, at: kill_fasync+0x14b/0x460 [ 56.096049][ T8384] but this lock was taken by another, HARDIRQ-safe lock in the past: [ 56.104080][ T8384] (&dev->event_lock){-...}-{2:2} [ 56.104095][ T8384] [ 56.104095][ T8384] [ 56.104095][ T8384] and interrupts could create inverse lock ordering between them. [ 56.104095][ T8384] [ 56.123356][ T8384] [ 56.123356][ T8384] other info that might help us debug this: [ 56.131381][ T8384] Chain exists of: [ 56.131381][ T8384] &dev->event_lock --> &client->buffer_lock --> &new->fa_lock [ 56.131381][ T8384] [ 56.144810][ T8384] Possible interrupt unsafe locking scenario: [ 56.144810][ T8384] [ 56.153098][ T8384] CPU0 CPU1 [ 56.158434][ T8384] ---- ---- [ 56.163769][ T8384] lock(&new->fa_lock); [ 56.167981][ T8384] local_irq_disable(); [ 56.174705][ T8384] lock(&dev->event_lock); [ 56.181696][ T8384] lock(&client->buffer_lock); [ 56.189037][ T8384] [ 56.192628][ T8384] lock(&dev->event_lock); [ 56.197273][ T8384] [ 56.197273][ T8384] *** DEADLOCK *** [ 56.197273][ T8384] [ 56.205385][ T8384] 3 locks held by syz-executor938/8384: [ 56.210900][ T8384] #0: ffffffff8bf78320 (rcu_read_lock){....}-{1:2}, at: sock_def_error_report+0x0/0x4c0 [ 56.220700][ T8384] #1: ffffffff8bf78320 (rcu_read_lock){....}-{1:2}, at: sock_def_error_report+0x1cc/0x4c0 [ 56.230670][ T8384] #2: ffffffff8bf78320 (rcu_read_lock){....}-{1:2}, at: kill_fasync+0x3d/0x460 [ 56.239887][ T8384] [ 56.239887][ T8384] the shortest dependencies between 2nd lock and 1st lock: [ 56.249445][ T8384] -> (&dev->event_lock){-...}-{2:2} { [ 56.255187][ T8384] IN-HARDIRQ-W at: [ 56.259494][ T8384] lock_acquire+0x1ab/0x740 [ 56.266156][ T8384] _raw_spin_lock_irqsave+0x39/0x50 [ 56.273521][ T8384] input_event+0x7b/0xb0 [ 56.279739][ T8384] psmouse_report_standard_buttons+0x2c/0x80 [ 56.287880][ T8384] psmouse_process_byte+0x1e1/0x890 [ 56.295052][ T8384] psmouse_handle_byte+0x41/0x1b0 [ 56.302051][ T8384] psmouse_interrupt+0x304/0xf00 [ 56.308960][ T8384] serio_interrupt+0x88/0x150 [ 56.315611][ T8384] i8042_interrupt+0x27a/0x520 [ 56.322350][ T8384] __handle_irq_event_percpu+0x303/0x8f0 [ 56.329956][ T8384] handle_irq_event+0x102/0x290 [ 56.336778][ T8384] handle_edge_irq+0x25f/0xd00 [ 56.343518][ T8384] __common_interrupt+0x9e/0x200 [ 56.350437][ T8384] common_interrupt+0x9f/0xd0 [ 56.357091][ T8384] asm_common_interrupt+0x1e/0x40 [ 56.364090][ T8384] _raw_spin_unlock_irqrestore+0x38/0x70 [ 56.371703][ T8384] i8042_command+0x12e/0x150 [ 56.378271][ T8384] i8042_aux_write+0xd7/0x120 [ 56.384942][ T8384] ps2_do_sendbyte+0x2cf/0x720 [ 56.391680][ T8384] ps2_sendbyte+0x58/0x150 [ 56.398068][ T8384] cypress_ps2_sendbyte+0x2e/0x160 [ 56.405153][ T8384] cypress_send_ext_cmd+0x1d0/0x8e0 [ 56.412325][ T8384] cypress_detect+0x75/0x190 [ 56.418890][ T8384] psmouse_try_protocol+0x211/0x370 [ 56.426063][ T8384] psmouse_extensions+0x557/0x930 [ 56.433060][ T8384] psmouse_switch_protocol+0x52a/0x740 [ 56.440548][ T8384] psmouse_connect+0x5e9/0xfd0 [ 56.447284][ T8384] serio_driver_probe+0x72/0xa0 [ 56.454164][ T8384] really_probe+0x291/0xf60 [ 56.460643][ T8384] driver_probe_device+0x298/0x410 [ 56.467730][ T8384] device_driver_attach+0x228/0x290 [ 56.474897][ T8384] __driver_attach+0x190/0x340 [ 56.481634][ T8384] bus_for_each_dev+0x147/0x1d0 [ 56.488628][ T8384] serio_handle_event+0x5f6/0xa30 [ 56.495625][ T8384] process_one_work+0x98d/0x1600 [ 56.502554][ T8384] worker_thread+0x64c/0x1120 [ 56.509202][ T8384] kthread+0x3b1/0x4a0 [ 56.515409][ T8384] ret_from_fork+0x1f/0x30 [ 56.521799][ T8384] INITIAL USE at: [ 56.525838][ T8384] lock_acquire+0x1ab/0x740 [ 56.532232][ T8384] _raw_spin_lock_irqsave+0x39/0x50 [ 56.539319][ T8384] input_inject_event+0xa6/0x310 [ 56.546145][ T8384] led_set_brightness_nosleep+0xe6/0x1a0 [ 56.553694][ T8384] led_set_brightness+0x134/0x170 [ 56.560608][ T8384] led_trigger_event+0x75/0xd0 [ 56.567256][ T8384] kbd_led_trigger_activate+0xc9/0x100 [ 56.574599][ T8384] led_trigger_set+0x61e/0xbd0 [ 56.581248][ T8384] led_trigger_set_default+0x1a6/0x230 [ 56.588589][ T8384] led_classdev_register_ext+0x5b1/0x7c0 [ 56.596105][ T8384] input_leds_connect+0x3fb/0x740 [ 56.603019][ T8384] input_attach_handler+0x180/0x1f0 [ 56.610104][ T8384] input_register_device.cold+0xf0/0x307 [ 56.617623][ T8384] atkbd_connect+0x739/0xa10 [ 56.624100][ T8384] serio_driver_probe+0x72/0xa0 [ 56.630838][ T8384] really_probe+0x291/0xf60 [ 56.637228][ T8384] driver_probe_device+0x298/0x410 [ 56.644222][ T8384] device_driver_attach+0x228/0x290 [ 56.651303][ T8384] __driver_attach+0x190/0x340 [ 56.657950][ T8384] bus_for_each_dev+0x147/0x1d0 [ 56.664686][ T8384] serio_handle_event+0x5f6/0xa30 [ 56.671598][ T8384] process_one_work+0x98d/0x1600 [ 56.678420][ T8384] worker_thread+0x64c/0x1120 [ 56.684982][ T8384] kthread+0x3b1/0x4a0 [ 56.690938][ T8384] ret_from_fork+0x1f/0x30 [ 56.697241][ T8384] } [ 56.699885][ T8384] ... key at: [] __key.8+0x0/0x40 [ 56.707156][ T8384] ... acquired at: [ 56.711105][ T8384] _raw_spin_lock+0x2a/0x40 [ 56.715764][ T8384] evdev_pass_values.part.0+0xf6/0x970 [ 56.721373][ T8384] evdev_events+0x28b/0x3f0 [ 56.726027][ T8384] input_to_handler+0x2a0/0x4c0 [ 56.731028][ T8384] input_pass_values.part.0+0x284/0x700 [ 56.736741][ T8384] input_handle_event+0x373/0x1440 [ 56.741998][ T8384] input_inject_event+0x2f5/0x310 [ 56.747171][ T8384] evdev_write+0x430/0x760 [ 56.751737][ T8384] vfs_write+0x28e/0xa30 [ 56.756129][ T8384] ksys_write+0x1ee/0x250 [ 56.760609][ T8384] do_syscall_64+0x3a/0xb0 [ 56.765176][ T8384] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 56.771304][ T8384] [ 56.773600][ T8384] -> (&client->buffer_lock){....}-{2:2} { [ 56.779401][ T8384] INITIAL USE at: [ 56.783354][ T8384] lock_acquire+0x1ab/0x740 [ 56.789570][ T8384] _raw_spin_lock+0x2a/0x40 [ 56.795785][ T8384] evdev_pass_values.part.0+0xf6/0x970 [ 56.802952][ T8384] evdev_events+0x28b/0x3f0 [ 56.809168][ T8384] input_to_handler+0x2a0/0x4c0 [ 56.815729][ T8384] input_pass_values.part.0+0x284/0x700 [ 56.822984][ T8384] input_handle_event+0x373/0x1440 [ 56.829821][ T8384] input_inject_event+0x2f5/0x310 [ 56.836554][ T8384] evdev_write+0x430/0x760 [ 56.842695][ T8384] vfs_write+0x28e/0xa30 [ 56.848648][ T8384] ksys_write+0x1ee/0x250 [ 56.854690][ T8384] do_syscall_64+0x3a/0xb0 [ 56.860818][ T8384] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 56.868427][ T8384] } [ 56.870985][ T8384] ... key at: [] __key.4+0x0/0x40 [ 56.878169][ T8384] ... acquired at: [ 56.882031][ T8384] _raw_read_lock+0x5b/0x70 [ 56.886687][ T8384] kill_fasync+0x14b/0x460 [ 56.891253][ T8384] evdev_pass_values.part.0+0x64e/0x970 [ 56.896949][ T8384] evdev_events+0x28b/0x3f0 [ 56.901599][ T8384] input_to_handler+0x2a0/0x4c0 [ 56.906615][ T8384] input_pass_values.part.0+0x284/0x700 [ 56.912306][ T8384] input_handle_event+0x373/0x1440 [ 56.917564][ T8384] input_inject_event+0x2f5/0x310 [ 56.922734][ T8384] evdev_write+0x430/0x760 [ 56.927300][ T8384] vfs_write+0x28e/0xa30 [ 56.931694][ T8384] ksys_write+0x1ee/0x250 [ 56.936175][ T8384] do_syscall_64+0x3a/0xb0 [ 56.940738][ T8384] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 56.946783][ T8384] [ 56.949079][ T8384] -> (&new->fa_lock){.+..}-{2:2} { [ 56.954172][ T8384] HARDIRQ-ON-R at: [ 56.958122][ T8384] lock_acquire+0x1ab/0x740 [ 56.964251][ T8384] _raw_read_lock+0x5b/0x70 [ 56.970380][ T8384] kill_fasync+0x14b/0x460 [ 56.976437][ T8384] sock_wake_async+0xd2/0x160 [ 56.982737][ T8384] sock_def_error_report+0x2cd/0x4c0 [ 56.989651][ T8384] sock_queue_err_skb+0x37b/0x750 [ 56.996298][ T8384] __skb_complete_tx_timestamp+0x308/0x420 [ 57.003725][ T8384] __skb_tstamp_tx+0x407/0x780 [ 57.010116][ T8384] __dev_queue_xmit+0x1e3d/0x2e00 [ 57.016767][ T8384] packet_sendmsg+0x2405/0x52b0 [ 57.023244][ T8384] sock_sendmsg+0xcf/0x120 [ 57.029281][ T8384] ____sys_sendmsg+0x331/0x810 [ 57.035666][ T8384] ___sys_sendmsg+0xf3/0x170 [ 57.041895][ T8384] __sys_sendmmsg+0x195/0x470 [ 57.048195][ T8384] __x64_sys_sendmmsg+0x99/0x100 [ 57.054758][ T8384] do_syscall_64+0x3a/0xb0 [ 57.060802][ T8384] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 57.068323][ T8384] INITIAL READ USE at: [ 57.072622][ T8384] lock_acquire+0x1ab/0x740 [ 57.079103][ T8384] _raw_read_lock+0x5b/0x70 [ 57.085580][ T8384] kill_fasync+0x14b/0x460 [ 57.091984][ T8384] evdev_pass_values.part.0+0x64e/0x970 [ 57.099504][ T8384] evdev_events+0x28b/0x3f0 [ 57.105994][ T8384] input_to_handler+0x2a0/0x4c0 [ 57.112819][ T8384] input_pass_values.part.0+0x284/0x700 [ 57.120335][ T8384] input_handle_event+0x373/0x1440 [ 57.127415][ T8384] input_inject_event+0x2f5/0x310 [ 57.134410][ T8384] evdev_write+0x430/0x760 [ 57.140799][ T8384] vfs_write+0x28e/0xa30 [ 57.147014][ T8384] ksys_write+0x1ee/0x250 [ 57.153321][ T8384] do_syscall_64+0x3a/0xb0 [ 57.159709][ T8384] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 57.167578][ T8384] } [ 57.170052][ T8384] ... key at: [] __key.0+0x0/0x40 [ 57.177139][ T8384] ... acquired at: [ 57.180913][ T8384] __lock_acquire+0x120f/0x5230 [ 57.185915][ T8384] lock_acquire+0x1ab/0x740 [ 57.190568][ T8384] _raw_read_lock+0x5b/0x70 [ 57.195496][ T8384] kill_fasync+0x14b/0x460 [ 57.200295][ T8384] sock_wake_async+0xd2/0x160 [ 57.205124][ T8384] sock_def_error_report+0x2cd/0x4c0 [ 57.210559][ T8384] sock_queue_err_skb+0x37b/0x750 [ 57.215941][ T8384] __skb_complete_tx_timestamp+0x308/0x420 [ 57.221896][ T8384] __skb_tstamp_tx+0x407/0x780 [ 57.227122][ T8384] __dev_queue_xmit+0x1e3d/0x2e00 [ 57.232305][ T8384] packet_sendmsg+0x2405/0x52b0 [ 57.237309][ T8384] sock_sendmsg+0xcf/0x120 [ 57.241870][ T8384] ____sys_sendmsg+0x331/0x810 [ 57.246777][ T8384] ___sys_sendmsg+0xf3/0x170 [ 57.251510][ T8384] __sys_sendmmsg+0x195/0x470 [ 57.256333][ T8384] __x64_sys_sendmmsg+0x99/0x100 [ 57.261414][ T8384] do_syscall_64+0x3a/0xb0 [ 57.265980][ T8384] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 57.272024][ T8384] [ 57.274322][ T8384] [ 57.274322][ T8384] stack backtrace: [ 57.280176][ T8384] CPU: 0 PID: 8384 Comm: syz-executor938 Not tainted 5.12.0-syzkaller #0 [ 57.288558][ T8384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.298582][ T8384] Call Trace: [ 57.301840][ T8384] dump_stack+0x141/0x1d7 [ 57.306145][ T8384] mark_lock.cold+0x1d/0x8e [ 57.310623][ T8384] ? lock_chain_count+0x20/0x20 [ 57.315449][ T8384] ? mark_lock+0xef/0x17b0 [ 57.320011][ T8384] ? lock_chain_count+0x20/0x20 [ 57.324835][ T8384] ? lockdep_unlock+0x11c/0x290 [ 57.329661][ T8384] ? register_lock_class+0x55e/0x1180 [ 57.335025][ T8384] __lock_acquire+0x120f/0x5230 [ 57.339866][ T8384] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 57.345912][ T8384] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 57.351871][ T8384] lock_acquire+0x1ab/0x740 [ 57.356348][ T8384] ? kill_fasync+0x14b/0x460 [ 57.360926][ T8384] ? lock_release+0x720/0x720 [ 57.365581][ T8384] ? lock_release+0x720/0x720 [ 57.370236][ T8384] _raw_read_lock+0x5b/0x70 [ 57.374716][ T8384] ? kill_fasync+0x14b/0x460 [ 57.379279][ T8384] kill_fasync+0x14b/0x460 [ 57.383688][ T8384] sock_wake_async+0xd2/0x160 [ 57.388338][ T8384] sock_def_error_report+0x2cd/0x4c0 [ 57.393603][ T8384] sock_queue_err_skb+0x37b/0x750 [ 57.398603][ T8384] __skb_complete_tx_timestamp+0x308/0x420 [ 57.404381][ T8384] __skb_tstamp_tx+0x407/0x780 [ 57.409121][ T8384] __dev_queue_xmit+0x1e3d/0x2e00 [ 57.414125][ T8384] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 57.419385][ T8384] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 57.425604][ T8384] ? packet_parse_headers+0x343/0x490 [ 57.430949][ T8384] ? packet_parse_headers+0x11d/0x490 [ 57.436295][ T8384] ? packet_poll+0x600/0x600 [ 57.440860][ T8384] packet_sendmsg+0x2405/0x52b0 [ 57.445689][ T8384] ? aa_sk_perm+0x31b/0xab0 [ 57.450170][ T8384] ? packet_cached_dev_get+0x250/0x250 [ 57.455602][ T8384] ? aa_af_perm+0x230/0x230 [ 57.460079][ T8384] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 57.466295][ T8384] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 57.472525][ T8384] ? packet_cached_dev_get+0x250/0x250 [ 57.477964][ T8384] sock_sendmsg+0xcf/0x120 [ 57.482351][ T8384] ____sys_sendmsg+0x331/0x810 [ 57.487087][ T8384] ? kernel_sendmsg+0x50/0x50 [ 57.491735][ T8384] ? do_recvmmsg+0x6d0/0x6d0 [ 57.496299][ T8384] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 57.502253][ T8384] ? mark_lock+0xef/0x17b0 [ 57.506644][ T8384] ___sys_sendmsg+0xf3/0x170 [ 57.511208][ T8384] ? sendmsg_copy_msghdr+0x160/0x160 [ 57.516481][ T8384] ? mark_lock+0xef/0x17b0 [ 57.520871][ T8384] ? mark_lock+0xef/0x17b0 [ 57.525262][ T8384] ? find_held_lock+0x2d/0x110 [ 57.529998][ T8384] ? lock_chain_count+0x20/0x20 [ 57.534822][ T8384] ? lock_chain_count+0x20/0x20 [ 57.539647][ T8384] ? sock_setsockopt+0x20e/0x2810 [ 57.544645][ T8384] ? lock_downgrade+0x6e0/0x6e0 [ 57.549470][ T8384] ? rwlock_bug.part.0+0x90/0x90 [ 57.554384][ T8384] ? __local_bh_enable_ip+0xa0/0x120 [ 57.559646][ T8384] ? lockdep_hardirqs_on+0x79/0x100 [ 57.564822][ T8384] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 57.571039][ T8384] ? __fget_light+0x215/0x280 [ 57.575692][ T8384] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 57.581911][ T8384] __sys_sendmmsg+0x195/0x470 [ 57.586565][ T8384] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 57.591578][ T8384] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 57.597544][ T8384] ? find_held_lock+0x2d/0x110 [ 57.602281][ T8384] ? __context_tracking_exit+0xb8/0xe0 [ 57.607714][ T8384] ? lock_downgrade+0x6e0/0x6e0 [ 57.612538][ T8384] ? lock_downgrade+0x6e0/0x6e0 [ 57.617367][ T8384] __x64_sys_sendmmsg+0x99/0x100 [ 57.622278][ T8384] ? syscall_enter_from_user_mode+0x27/0x70 [ 57.628146][ T8384] do_syscall_64+0x3a/0xb0 [ 57.632534][ T8384] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 57.638404][ T8384] RIP: 0033:0x447899 [ 57.642271][ T8384] Code: 28 c3 e8 4a 15 00 00 66 2e 0f 1f 84 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 57.661868][ T8384] RSP: 002b:00007ffc409d5578 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 57.670253][ T8384] RAX: ffffffffffffffda RBX: 00007ffc409d5588 RCX: 0000000000447899 [ 57.678197][ T8384] RDX: 000000000400004e RSI: 0000000020000d00 RDI: 0000000000000005 [ 57.686139][ T8384] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 57.694081][ T8384] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc409d5590 [ 57.702027][ T8384] R13: 00007ffc409d55b0 R14: 00000000004b8018 R15: 0000000