[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.15' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 717.762663] INFO: task syz-executor285:20058 blocked for more than 140 seconds. [ 717.770314] Not tainted 4.19.211-syzkaller #0 [ 717.777507] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 717.786286] syz-executor285 D25168 20058 8122 0x00000004 [ 717.791923] Call Trace: [ 717.795706] __schedule+0x887/0x2040 [ 717.799435] ? io_schedule_timeout+0x140/0x140 [ 717.805201] ? lock_downgrade+0x720/0x720 [ 717.809367] ? __mutex_lock+0x418/0x1190 [ 717.814705] schedule+0x8d/0x1b0 [ 717.818306] schedule_preempt_disabled+0xf/0x20 [ 717.824299] __mutex_lock+0x5f0/0x1190 [ 717.828277] ? tcf_ife_init+0x105b/0x1730 [ 717.832425] ? mutex_trylock+0x1a0/0x1a0 [ 717.838181] ? lock_downgrade+0x720/0x720 [ 717.842351] tcf_ife_init+0x105b/0x1730 [ 717.847508] ? ife_get_meta_u16+0x180/0x180 [ 717.851863] tcf_action_init_1+0xa06/0xcd0 [ 717.857208] ? tcf_action_dump_old+0x80/0x80 [ 717.861698] ? memset+0x20/0x40 [ 717.867106] tcf_action_init+0x26e/0x3b0 [ 717.871190] ? tcf_action_init_1+0xcd0/0xcd0 [ 717.876711] tcf_action_add+0xd9/0x360 [ 717.880609] ? tca_action_gd+0x1550/0x1550 [ 717.886069] ? mark_held_locks+0xf0/0xf0 [ 717.890172] ? memset+0x20/0x40 [ 717.894688] ? nla_parse+0x1b2/0x290 [ 717.898429] tc_ctl_action+0x327/0x410 [ 717.902318] ? tcf_action_add+0x360/0x360 [ 717.908180] ? tcf_action_add+0x360/0x360 [ 717.912371] rtnetlink_rcv_msg+0x453/0xb80 [ 717.917776] ? rtnl_calcit.isra.0+0x430/0x430 [ 717.922321] ? __netlink_lookup+0x3fc/0x730 [ 717.927771] ? lock_downgrade+0x720/0x720 [ 717.931993] ? check_preemption_disabled+0x41/0x280 [ 717.938440] netlink_rcv_skb+0x160/0x440 [ 717.942518] ? rtnl_calcit.isra.0+0x430/0x430 [ 717.948181] ? netlink_ack+0xae0/0xae0 [ 717.952091] netlink_unicast+0x4d5/0x690 [ 717.957380] ? netlink_sendskb+0x110/0x110 [ 717.961616] ? _copy_from_iter_full+0x229/0x7c0 [ 717.967435] ? __phys_addr_symbol+0x2c/0x70 [ 717.971812] ? __check_object_size+0x17b/0x3e0 [ 717.977473] netlink_sendmsg+0x6c3/0xc50 [ 717.981608] ? aa_af_perm+0x230/0x230 [ 717.986544] ? nlmsg_notify+0x1f0/0x1f0 [ 717.990579] ? kernel_recvmsg+0x220/0x220 [ 717.995791] ? nlmsg_notify+0x1f0/0x1f0 [ 717.999815] sock_sendmsg+0xc3/0x120 [ 718.004597] ___sys_sendmsg+0x7bb/0x8e0 [ 718.008584] ? copy_msghdr_from_user+0x440/0x440 [ 718.014433] ? __fget+0x32f/0x510 [ 718.017928] ? lock_downgrade+0x720/0x720 [ 718.022071] ? check_preemption_disabled+0x41/0x280 [ 718.028706] ? check_preemption_disabled+0x41/0x280 [ 718.034478] ? __fget+0x356/0x510 [ 718.037959] ? do_dup2+0x450/0x450 [ 718.041498] ? __fd_install+0x1b4/0x610 [ 718.048945] ? __fdget+0x1d0/0x230 [ 718.052502] __x64_sys_sendmsg+0x132/0x220 [ 718.057751] ? __sys_sendmsg+0x1b0/0x1b0 [ 718.061899] ? __se_sys_futex+0x298/0x3b0 [ 718.067238] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 718.073512] ? trace_hardirqs_off_caller+0x6e/0x210 [ 718.078567] ? do_syscall_64+0x21/0x620 [ 718.083776] do_syscall_64+0xf9/0x620 [ 718.087594] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 718.093856] RIP: 0033:0x7f8a6cae79f9 [ 718.097575] Code: Bad RIP value. [ 718.100932] RSP: 002b:00007f8a6ca78318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 718.110141] RAX: ffffffffffffffda RBX: 00007f8a6cb6f418 RCX: 00007f8a6cae79f9 [ 718.118112] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 [ 718.126087] RBP: 00007f8a6cb6f410 R08: 0000000000000000 R09: 0000000000000000 [ 718.134455] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8a6cb3d074 [ 718.141728] R13: 00007ffd4c94f40f R14: 00007f8a6ca78400 R15: 0000000000022000 [ 718.150168] [ 718.150168] Showing all locks held in the system: [ 718.157221] 1 lock held by khungtaskd/1570: [ 718.161542] #0: 00000000c62bac95 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 [ 718.172060] 3 locks held by kworker/1:2/3557: [ 718.178254] #0: 00000000b6cfff02 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x767/0x1570 [ 718.189710] #1: 00000000f5016026 ((addr_chk_work).work){+.+.}, at: process_one_work+0x79c/0x1570 [ 718.199570] #2: 000000006d615d50 (rtnl_mutex){+.+.}, at: addrconf_verify_work+0xa/0x20 [ 718.208578] 1 lock held by in:imklog/7819: [ 718.213589] #0: 000000008b7d11e1 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 [ 718.221589] 1 lock held by syz-executor285/20057: [ 718.227514] 1 lock held by syz-executor285/20058: [ 718.232354] #0: 000000006d615d50 (rtnl_mutex){+.+.}, at: tcf_ife_init+0x105b/0x1730 [ 718.241341] [ 718.243635] ============================================= [ 718.243635] [ 718.250649] NMI backtrace for cpu 0 [ 718.254340] CPU: 0 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 [ 718.261774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 718.271113] Call Trace: [ 718.273754] dump_stack+0x1fc/0x2ef [ 718.277383] nmi_cpu_backtrace.cold+0x63/0xa2 [ 718.281886] ? lapic_can_unplug_cpu+0x80/0x80 [ 718.286391] nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 [ 718.291715] watchdog+0x991/0xe60 [ 718.295176] ? reset_hung_task_detector+0x30/0x30 [ 718.300015] kthread+0x33f/0x460 [ 718.303375] ? kthread_park+0x180/0x180 [ 718.307434] ret_from_fork+0x24/0x30 [ 718.311223] Sending NMI from CPU 0 to CPUs 1: [ 718.316530] NMI backtrace for cpu 1 [ 718.316536] CPU: 1 PID: 20057 Comm: syz-executor285 Not tainted 4.19.211-syzkaller #0 [ 718.316542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 718.316546] RIP: 0010:__radix_tree_lookup+0x14/0x370 [ 718.316557] Code: 6d a9 f9 e9 c8 fd ff ff e8 d9 6d a9 f9 e9 0a fe ff ff 0f 1f 40 00 41 57 48 8d 47 40 41 56 49 be 00 00 00 00 00 fc ff df 41 55 <41> 54 55 53 48 83 ec 40 48 89 44 24 38 48 89 44 24 30 48 c1 e8 03 [ 718.316561] RSP: 0018:ffff888094306f10 EFLAGS: 00000246 [ 718.316568] RAX: ffff88823585ce78 RBX: 00000000ffffe300 RCX: 0000000000000000 [ 718.316573] RDX: 0000000000000000 RSI: 00000000ffffe300 RDI: ffff88823585ce38 [ 718.316578] RBP: ffff888094306ff0 R08: 0000000000000001 R09: 0000000000000000 [ 718.316583] R10: 0000000000000005 R11: 00000000ee11417d R12: ffff888094307168 [ 718.316588] R13: 0000000000000000 R14: dffffc0000000000 R15: ffff88823585ce38 [ 718.316594] FS: 00007f8a6ca99700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 718.316598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 718.316603] CR2: 0000000020000100 CR3: 00000000b14c5000 CR4: 00000000003406e0 [ 718.316608] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 718.316613] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 718.316615] Call Trace: [ 718.316619] tcf_idr_check_alloc+0xab/0x320 [ 718.316623] tcf_ife_init+0x38e/0x1730 [ 718.316626] ? ife_get_meta_u16+0x180/0x180 [ 718.316630] ? tc_lookup_action_n+0xcd/0xf0 [ 718.316633] tcf_action_init_1+0xa06/0xcd0 [ 718.316637] ? tcf_action_dump_old+0x80/0x80 [ 718.316640] ? memset+0x20/0x40 [ 718.316643] tcf_action_init+0x26e/0x3b0 [ 718.316647] ? tcf_action_init_1+0xcd0/0xcd0 [ 718.316651] ? mark_held_locks+0xf0/0xf0 [ 718.316654] tcf_action_add+0xd9/0x360 [ 718.316658] ? tca_action_gd+0x1550/0x1550 [ 718.316661] ? memset+0x20/0x40 [ 718.316664] ? nla_parse+0x1b2/0x290 [ 718.316667] tc_ctl_action+0x327/0x410 [ 718.316671] ? tcf_action_add+0x360/0x360 [ 718.316674] ? tcf_action_add+0x360/0x360 [ 718.316678] rtnetlink_rcv_msg+0x453/0xb80 [ 718.316681] ? rtnl_calcit.isra.0+0x430/0x430 [ 718.316685] ? __netlink_lookup+0x3fc/0x730 [ 718.316688] ? lock_downgrade+0x720/0x720 [ 718.316692] ? check_preemption_disabled+0x41/0x280 [ 718.316696] netlink_rcv_skb+0x160/0x440 [ 718.316699] ? rtnl_calcit.isra.0+0x430/0x430 [ 718.316703] ? netlink_ack+0xae0/0xae0 [ 718.316706] netlink_unicast+0x4d5/0x690 [ 718.316710] ? netlink_sendskb+0x110/0x110 [ 718.316714] ? _copy_from_iter_full+0x229/0x7c0 [ 718.316717] ? __phys_addr_symbol+0x2c/0x70 [ 718.316721] ? __check_object_size+0x17b/0x3e0 [ 718.316724] netlink_sendmsg+0x6c3/0xc50 [ 718.316728] ? aa_af_perm+0x230/0x230 [ 718.316731] ? nlmsg_notify+0x1f0/0x1f0 [ 718.316734] ? kernel_recvmsg+0x220/0x220 [ 718.316738] ? nlmsg_notify+0x1f0/0x1f0 [ 718.316740] sock_sendmsg+0xc3/0x120 [ 718.316743] ___sys_sendmsg+0x7bb/0x8e0 [ 718.316746] ? copy_msghdr_from_user+0x440/0x440 [ 718.316750] ? do_huge_pmd_anonymous_page+0x935/0x1e60 [ 718.316752] ? __fget+0x32f/0x510 [ 718.316755] ? lock_downgrade+0x720/0x720 [ 718.316758] ? check_preemption_disabled+0x41/0x280 [ 718.316762] ? check_preemption_disabled+0x41/0x280 [ 718.316764] ? __fget+0x356/0x510 [ 718.316766] ? do_dup2+0x450/0x450 [ 718.316769] ? __fdget+0x1d0/0x230 [ 718.316772] __x64_sys_sendmsg+0x132/0x220 [ 718.316775] ? __sys_sendmsg+0x1b0/0x1b0 [ 718.316778] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 718.316782] ? trace_hardirqs_off_caller+0x6e/0x210 [ 718.316784] ? do_syscall_64+0x21/0x620 [ 718.316787] do_syscall_64+0xf9/0x620 [ 718.316790] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 718.316793] RIP: 0033:0x7f8a6cae79f9 [ 718.316802] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 [ 718.316805] RSP: 002b:00007f8a6ca99318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 718.316812] RAX: ffffffffffffffda RBX: 00007f8a6cb6f408 RCX: 00007f8a6cae79f9 [ 718.316816] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 [ 718.316820] RBP: 00007f8a6cb6f400 R08: 0000000000000000 R09: 0000000000000000 [ 718.316824] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8a6cb3d074 [ 718.316828] R13: 00007ffd4c94f40f R14: 00007f8a6ca99400 R15: 0000000000022000 [ 718.350992] Kernel panic - not syncing: hung_task: blocked tasks [ 718.737271] CPU: 0 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 [ 718.744705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 718.754052] Call Trace: [ 718.756639] dump_stack+0x1fc/0x2ef [ 718.760341] panic+0x26a/0x50e [ 718.763546] ? __warn_printk+0xf3/0xf3 [ 718.767456] ? lapic_can_unplug_cpu+0x80/0x80 [ 718.771958] ? ___preempt_schedule+0x16/0x18 [ 718.776375] ? watchdog+0x991/0xe60 [ 718.780005] ? nmi_trigger_cpumask_backtrace+0x15e/0x1f0 [ 718.785462] watchdog+0x9a2/0xe60 [ 718.788922] ? reset_hung_task_detector+0x30/0x30 [ 718.793762] kthread+0x33f/0x460 [ 718.797123] ? kthread_park+0x180/0x180 [ 718.801092] ret_from_fork+0x24/0x30 [ 718.805108] Kernel Offset: disabled [ 718.808749] Rebooting in 86400 seconds..