Warning: Permanently added '10.128.0.117' (ECDSA) to the list of known hosts. executing program executing program executing program syzkaller login: [ 83.887203][ T9585] IPVS: ftp: loaded support on port[0] = 21 [ 83.933991][ T9596] ------------[ cut here ]------------ [ 83.939563][ T9596] ODEBUG: activate active (active state 1) object type: rcu_head hint: 0x0 [ 83.949053][ T9596] WARNING: CPU: 0 PID: 9596 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 83.958501][ T9596] Kernel panic - not syncing: panic_on_warn set ... [ 83.965079][ T9596] CPU: 0 PID: 9596 Comm: syz-executor233 Not tainted 5.6.0-rc6-syzkaller #0 [ 83.973755][ T9596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.983796][ T9596] Call Trace: [ 83.987074][ T9596] dump_stack+0x188/0x20d [ 83.991398][ T9596] ? debug_print_object+0x120/0x250 [ 83.996581][ T9596] panic+0x2e3/0x75c [ 84.000458][ T9596] ? add_taint.cold+0x16/0x16 [ 84.005122][ T9596] ? __probe_kernel_read+0x188/0x1d0 [ 84.010404][ T9596] ? __warn.cold+0x14/0x35 [ 84.014803][ T9596] ? __warn+0xd5/0x1c8 [ 84.018857][ T9596] ? debug_print_object+0x160/0x250 [ 84.024038][ T9596] __warn.cold+0x2f/0x35 [ 84.028264][ T9596] ? debug_print_object+0x160/0x250 [ 84.033451][ T9596] report_bug+0x27b/0x2f0 [ 84.037768][ T9596] do_error_trap+0x12b/0x220 [ 84.042340][ T9596] ? debug_print_object+0x160/0x250 [ 84.047530][ T9596] do_invalid_op+0x32/0x40 [ 84.051945][ T9596] ? debug_print_object+0x160/0x250 [ 84.057129][ T9596] invalid_op+0x23/0x30 [ 84.061266][ T9596] RIP: 0010:debug_print_object+0x160/0x250 [ 84.067096][ T9596] Code: dd c0 f3 51 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd c0 f3 51 88 48 c7 c7 20 e9 51 88 e8 d8 cc b1 fd <0f> 0b 83 05 ab 9a d3 06 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 84.086683][ T9596] RSP: 0018:ffffc90002147168 EFLAGS: 00010286 [ 84.092813][ T9596] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 84.100778][ T9596] RDX: 0000000000000000 RSI: ffffffff815c06c1 RDI: fffff52000428e1f [ 84.108741][ T9596] RBP: 0000000000000001 R08: ffff8880a32ae2c0 R09: ffffed1015cc6659 [ 84.116745][ T9596] R10: ffffed1015cc6658 R11: ffff8880ae6332c7 R12: ffffffff897acba0 [ 84.124699][ T9596] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000428e3a [ 84.132683][ T9596] ? vprintk_func+0x81/0x17e [ 84.137267][ T9596] ? debug_print_object+0x160/0x250 [ 84.142446][ T9596] ? lockdep_hardirqs_on+0x417/0x5d0 [ 84.147713][ T9596] debug_object_activate+0x346/0x470 [ 84.152980][ T9596] ? _raw_spin_unlock_irqrestore+0x9b/0xe0 [ 84.158770][ T9596] ? debug_object_init_on_stack+0x20/0x20 [ 84.164509][ T9596] ? find_held_lock+0x2d/0x110 [ 84.169294][ T9596] ? free_object+0x70/0x70 [ 84.173700][ T9596] ? lock_downgrade+0x7f0/0x7f0 [ 84.178545][ T9596] ? delayed_work_timer_fn+0x90/0x90 [ 84.183818][ T9596] call_rcu+0x2c/0x690 [ 84.187982][ T9596] queue_rcu_work+0x82/0xa0 [ 84.192468][ T9596] route4_change+0x19e8/0x2250 [ 84.197243][ T9596] ? route4_destroy+0x800/0x800 [ 84.202086][ T9596] ? wait_for_completion+0x3c0/0x3c0 [ 84.207394][ T9596] tc_new_tfilter+0xa59/0x20b0 [ 84.212164][ T9596] ? route4_destroy+0x800/0x800 [ 84.217004][ T9596] ? tc_del_tfilter+0x1430/0x1430 [ 84.222011][ T9596] ? __lock_acquire+0x80b/0x3ca0 [ 84.226940][ T9596] ? apparmor_capable+0x454/0x8a0 [ 84.231960][ T9596] ? rcu_read_lock_held+0x9c/0xb0 [ 84.236973][ T9596] ? tc_del_tfilter+0x1430/0x1430 [ 84.241978][ T9596] rtnetlink_rcv_msg+0x810/0xad0 [ 84.246899][ T9596] ? rtnl_bridge_getlink+0x880/0x880 [ 84.252233][ T9596] ? mark_held_locks+0xe0/0xe0 [ 84.257013][ T9596] ? netlink_deliver_tap+0x146/0xb50 [ 84.262295][ T9596] netlink_rcv_skb+0x15a/0x410 [ 84.267044][ T9596] ? rtnl_bridge_getlink+0x880/0x880 [ 84.272317][ T9596] ? netlink_ack+0xa80/0xa80 [ 84.276904][ T9596] netlink_unicast+0x537/0x740 [ 84.281657][ T9596] ? netlink_attachskb+0x810/0x810 [ 84.286750][ T9596] ? _copy_from_iter_full+0x25c/0x870 [ 84.292154][ T9596] ? __phys_addr_symbol+0x2c/0x70 [ 84.297160][ T9596] ? __check_object_size+0x171/0x437 [ 84.302473][ T9596] netlink_sendmsg+0x882/0xe10 [ 84.307225][ T9596] ? aa_af_perm+0x260/0x260 [ 84.311742][ T9596] ? netlink_unicast+0x740/0x740 [ 84.316703][ T9596] ? netlink_unicast+0x740/0x740 [ 84.321622][ T9596] sock_sendmsg+0xcf/0x120 [ 84.326085][ T9596] ____sys_sendmsg+0x6b9/0x7d0 [ 84.330842][ T9596] ? kernel_sendmsg+0x50/0x50 [ 84.335522][ T9596] ___sys_sendmsg+0x100/0x170 [ 84.340356][ T9596] ? sendmsg_copy_msghdr+0x70/0x70 [ 84.345456][ T9596] ? __fget_files+0x329/0x4f0 [ 84.350161][ T9596] ? ksys_dup3+0x3c0/0x3c0 [ 84.354565][ T9596] ? __fget_light+0x208/0x270 [ 84.359241][ T9596] __sys_sendmsg+0xec/0x1b0 [ 84.363741][ T9596] ? __sys_sendmsg_sock+0xb0/0xb0 [ 84.368759][ T9596] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 84.374722][ T9596] ? __ia32_sys_futex_time32+0x32a/0x494 [ 84.380358][ T9596] ? fpregs_mark_activate+0x320/0x320 [ 84.385716][ T9596] ? trace_hardirqs_off_caller+0x55/0x230 [ 84.391432][ T9596] ? do_fast_syscall_32+0xcc/0xe8f [ 84.396547][ T9596] do_fast_syscall_32+0x270/0xe8f [ 84.401565][ T9596] entry_SYSENTER_compat+0x70/0x7f [ 84.408100][ T9596] Kernel Offset: disabled [ 84.412614][ T9596] Rebooting in 86400 seconds..