Warning: Permanently added '10.128.0.235' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 83.937916][ T9735] IPVS: ftp: loaded support on port[0] = 21 [ 83.980428][ T9742] ------------[ cut here ]------------ [ 83.985938][ T9742] ODEBUG: activate active (active state 1) object type: rcu_head hint: 0x0 [ 83.994916][ T9742] WARNING: CPU: 1 PID: 9742 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 84.004346][ T9742] Kernel panic - not syncing: panic_on_warn set ... [ 84.010906][ T9742] CPU: 1 PID: 9742 Comm: syz-executor112 Not tainted 5.6.0-rc5-syzkaller #0 [ 84.019548][ T9742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.029589][ T9742] Call Trace: [ 84.032871][ T9742] dump_stack+0x188/0x20d [ 84.037234][ T9742] ? debug_print_object+0x120/0x250 [ 84.042429][ T9742] panic+0x2e3/0x75c [ 84.046303][ T9742] ? add_taint.cold+0x16/0x16 [ 84.050965][ T9742] ? __probe_kernel_read+0x188/0x1d0 [ 84.056227][ T9742] ? __warn.cold+0x14/0x35 [ 84.060629][ T9742] ? __warn+0xd5/0x1c8 [ 84.064737][ T9742] ? debug_print_object+0x160/0x250 [ 84.069934][ T9742] __warn.cold+0x2f/0x35 [ 84.074160][ T9742] ? debug_print_object+0x160/0x250 [ 84.079363][ T9742] report_bug+0x27b/0x2f0 [ 84.083741][ T9742] do_error_trap+0x12b/0x220 [ 84.088310][ T9742] ? debug_print_object+0x160/0x250 [ 84.093515][ T9742] do_invalid_op+0x32/0x40 [ 84.097942][ T9742] ? debug_print_object+0x160/0x250 [ 84.103126][ T9742] invalid_op+0x23/0x30 [ 84.107308][ T9742] RIP: 0010:debug_print_object+0x160/0x250 [ 84.113109][ T9742] 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 [ 84.132750][ T9742] RSP: 0018:ffffc900020c7178 EFLAGS: 00010282 [ 84.138846][ T9742] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 84.146946][ T9742] RDX: 0000000000000000 RSI: ffffffff815c06c1 RDI: fffff52000418e21 [ 84.154898][ T9742] RBP: 0000000000000001 R08: ffff888098252100 R09: fffffbfff180e578 [ 84.162852][ T9742] R10: fffffbfff180e577 R11: ffffffff8c072bbf R12: ffffffff897acba0 [ 84.170835][ T9742] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000418e3c [ 84.178802][ T9742] ? vprintk_func+0x81/0x17e [ 84.183389][ T9742] ? debug_print_object+0x160/0x250 [ 84.188578][ T9742] ? lockdep_hardirqs_on+0x417/0x5d0 [ 84.193839][ T9742] debug_object_activate+0x346/0x470 [ 84.199132][ T9742] ? _raw_spin_unlock_irqrestore+0x9b/0xe0 [ 84.204915][ T9742] ? debug_object_init_on_stack+0x20/0x20 [ 84.210612][ T9742] ? find_held_lock+0x2d/0x110 [ 84.215362][ T9742] ? free_object+0x70/0x70 [ 84.219754][ T9742] ? lock_downgrade+0x7f0/0x7f0 [ 84.224587][ T9742] ? delayed_work_timer_fn+0x90/0x90 [ 84.229868][ T9742] call_rcu+0x2c/0x690 [ 84.233950][ T9742] queue_rcu_work+0x82/0xa0 [ 84.238441][ T9742] route4_change+0x19e8/0x2250 [ 84.243233][ T9742] ? route4_destroy+0x800/0x800 [ 84.248125][ T9742] ? wait_for_completion+0x3c0/0x3c0 [ 84.253413][ T9742] tc_new_tfilter+0xa59/0x20b0 [ 84.258192][ T9742] ? route4_destroy+0x800/0x800 [ 84.263045][ T9742] ? tc_del_tfilter+0x1430/0x1430 [ 84.268051][ T9742] ? __lock_acquire+0x80b/0x3ca0 [ 84.272975][ T9742] ? apparmor_capable+0x454/0x8a0 [ 84.277992][ T9742] ? rcu_read_lock_held+0x9c/0xb0 [ 84.283002][ T9742] ? tc_del_tfilter+0x1430/0x1430 [ 84.288007][ T9742] rtnetlink_rcv_msg+0x810/0xad0 [ 84.292927][ T9742] ? rtnl_bridge_getlink+0x880/0x880 [ 84.298211][ T9742] ? mark_held_locks+0xe0/0xe0 [ 84.302965][ T9742] ? netlink_deliver_tap+0x146/0xb50 [ 84.308279][ T9742] netlink_rcv_skb+0x15a/0x410 [ 84.313031][ T9742] ? rtnl_bridge_getlink+0x880/0x880 [ 84.318307][ T9742] ? netlink_ack+0xa80/0xa80 [ 84.322883][ T9742] netlink_unicast+0x537/0x740 [ 84.327625][ T9742] ? netlink_attachskb+0x810/0x810 [ 84.332743][ T9742] ? _copy_from_iter_full+0x25c/0x870 [ 84.338093][ T9742] ? __phys_addr_symbol+0x2c/0x70 [ 84.343095][ T9742] ? __check_object_size+0x171/0x437 [ 84.348358][ T9742] netlink_sendmsg+0x882/0xe10 [ 84.353113][ T9742] ? aa_af_perm+0x260/0x260 [ 84.357590][ T9742] ? netlink_unicast+0x740/0x740 [ 84.362511][ T9742] ? netlink_unicast+0x740/0x740 [ 84.367440][ T9742] sock_sendmsg+0xcf/0x120 [ 84.371869][ T9742] ____sys_sendmsg+0x6b9/0x7d0 [ 84.376618][ T9742] ? kernel_sendmsg+0x50/0x50 [ 84.381313][ T9742] ___sys_sendmsg+0x100/0x170 [ 84.385970][ T9742] ? sendmsg_copy_msghdr+0x70/0x70 [ 84.391066][ T9742] ? __fget_files+0x329/0x4f0 [ 84.395723][ T9742] ? ksys_dup3+0x3c0/0x3c0 [ 84.400123][ T9742] ? __fget_light+0x208/0x270 [ 84.404783][ T9742] __sys_sendmsg+0xec/0x1b0 [ 84.409268][ T9742] ? __sys_sendmsg_sock+0xb0/0xb0 [ 84.414270][ T9742] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 84.420227][ T9742] ? __x64_sys_futex+0x380/0x4f0 [ 84.425151][ T9742] ? trace_hardirqs_off_caller+0x55/0x230 [ 84.430865][ T9742] ? do_syscall_64+0x21/0x7d0 [ 84.435537][ T9742] do_syscall_64+0xf6/0x7d0 [ 84.440062][ T9742] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.445929][ T9742] RIP: 0033:0x446e09 [ 84.449803][ T9742] Code: e8 bc b4 02 00 48 83 c4 18 c3 0f 1f 80 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 0f 83 ab 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 84.469399][ T9742] RSP: 002b:00007f1b93dd1d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 84.477783][ T9742] RAX: ffffffffffffffda RBX: 00000000006dbc78 RCX: 0000000000446e09 [ 84.485746][ T9742] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000006 [ 84.493704][ T9742] RBP: 00000000006dbc70 R08: 0000000000000000 R09: 0000000000000000 [ 84.501652][ T9742] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc7c [ 84.509599][ T9742] R13: 0000000000000005 R14: 00a3a20740000000 R15: 0507002400000038 [ 84.518618][ T9742] Kernel Offset: disabled [ 84.522988][ T9742] Rebooting in 86400 seconds..