Warning: Permanently added '10.128.0.22' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 75.684401][ T9551] IPVS: ftp: loaded support on port[0] = 21 [ 75.717405][ T9552] ------------[ cut here ]------------ [ 75.723035][ T9552] ODEBUG: activate active (active state 1) object type: rcu_head hint: 0x0 [ 75.732087][ T9552] WARNING: CPU: 0 PID: 9552 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 75.741558][ T9552] Kernel panic - not syncing: panic_on_warn set ... [ 75.748134][ T9552] CPU: 0 PID: 9552 Comm: syz-executor238 Not tainted 5.6.0-rc5-syzkaller #0 [ 75.756805][ T9552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.766871][ T9552] Call Trace: [ 75.770148][ T9552] dump_stack+0x188/0x20d [ 75.774465][ T9552] ? debug_print_object+0x80/0x250 [ 75.779573][ T9552] panic+0x2e3/0x75c [ 75.783451][ T9552] ? add_taint.cold+0x16/0x16 [ 75.788121][ T9552] ? __probe_kernel_read+0x188/0x1d0 [ 75.793421][ T9552] ? __warn.cold+0x14/0x35 [ 75.797865][ T9552] ? __warn+0xd5/0x1c8 [ 75.802091][ T9552] ? debug_print_object+0x160/0x250 [ 75.807345][ T9552] __warn.cold+0x2f/0x35 [ 75.811651][ T9552] ? debug_print_object+0x160/0x250 [ 75.816849][ T9552] report_bug+0x27b/0x2f0 [ 75.821168][ T9552] do_error_trap+0x12b/0x220 [ 75.825739][ T9552] ? debug_print_object+0x160/0x250 [ 75.830926][ T9552] do_invalid_op+0x32/0x40 [ 75.835448][ T9552] ? debug_print_object+0x160/0x250 [ 75.840626][ T9552] invalid_op+0x23/0x30 [ 75.844763][ T9552] RIP: 0010:debug_print_object+0x160/0x250 [ 75.850560][ T9552] Code: dd c0 fa 71 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd c0 fa 71 88 48 c7 c7 20 f0 71 88 e8 a8 bd b1 fd <0f> 0b 83 05 4b ef f3 06 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 75.870211][ T9552] RSP: 0018:ffffc90002087178 EFLAGS: 00010282 [ 75.876312][ T9552] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 75.886116][ T9552] RDX: 0000000000000000 RSI: ffffffff815bfe61 RDI: fffff52000410e21 [ 75.894164][ T9552] RBP: 0000000000000001 R08: ffff888098bba000 R09: fffffbfff1851378 [ 75.902163][ T9552] R10: fffffbfff1851377 R11: ffffffff8c289bbf R12: ffffffff899acba0 [ 75.910134][ T9552] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000410e3c [ 75.918128][ T9552] ? vprintk_func+0x81/0x17e [ 75.922715][ T9552] ? debug_print_object+0x160/0x250 [ 75.927898][ T9552] ? lockdep_hardirqs_on+0x417/0x5d0 [ 75.933166][ T9552] debug_object_activate+0x346/0x470 [ 75.938432][ T9552] ? _raw_spin_unlock_irqrestore+0x9b/0xe0 [ 75.944220][ T9552] ? debug_object_init_on_stack+0x20/0x20 [ 75.950005][ T9552] ? find_held_lock+0x2d/0x110 [ 75.954945][ T9552] ? free_object+0x70/0x70 [ 75.959347][ T9552] ? lock_downgrade+0x7f0/0x7f0 [ 75.964202][ T9552] ? delayed_work_timer_fn+0x90/0x90 [ 75.969557][ T9552] call_rcu+0x2c/0x690 [ 75.973621][ T9552] queue_rcu_work+0x82/0xa0 [ 75.978191][ T9552] route4_change+0x19e8/0x2250 [ 75.982956][ T9552] ? route4_destroy+0x800/0x800 [ 75.987813][ T9552] ? wait_for_completion+0x3c0/0x3c0 [ 75.993087][ T9552] tc_new_tfilter+0xa59/0x20b0 [ 75.997833][ T9552] ? route4_destroy+0x800/0x800 [ 76.002664][ T9552] ? tc_del_tfilter+0x1430/0x1430 [ 76.007680][ T9552] ? __lock_acquire+0x80b/0x3ca0 [ 76.012598][ T9552] ? apparmor_capable+0x454/0x8a0 [ 76.017605][ T9552] ? rcu_read_lock_held+0x9c/0xb0 [ 76.022611][ T9552] ? tc_del_tfilter+0x1430/0x1430 [ 76.027613][ T9552] rtnetlink_rcv_msg+0x810/0xad0 [ 76.032546][ T9552] ? rtnl_bridge_getlink+0x870/0x870 [ 76.037822][ T9552] ? mark_held_locks+0xe0/0xe0 [ 76.042578][ T9552] ? netlink_deliver_tap+0x146/0xb50 [ 76.047843][ T9552] netlink_rcv_skb+0x15a/0x410 [ 76.052605][ T9552] ? rtnl_bridge_getlink+0x870/0x870 [ 76.057876][ T9552] ? netlink_ack+0xa80/0xa80 [ 76.062470][ T9552] netlink_unicast+0x537/0x740 [ 76.067242][ T9552] ? netlink_attachskb+0x810/0x810 [ 76.072353][ T9552] ? _copy_from_iter_full+0x25c/0x870 [ 76.077717][ T9552] ? __phys_addr_symbol+0x2c/0x70 [ 76.082723][ T9552] ? __check_object_size+0x171/0x437 [ 76.088009][ T9552] netlink_sendmsg+0x882/0xe10 [ 76.092758][ T9552] ? aa_af_perm+0x260/0x260 [ 76.097255][ T9552] ? netlink_unicast+0x740/0x740 [ 76.102196][ T9552] ? netlink_unicast+0x740/0x740 [ 76.107272][ T9552] sock_sendmsg+0xcf/0x120 [ 76.111678][ T9552] ____sys_sendmsg+0x6b9/0x7d0 [ 76.116439][ T9552] ? kernel_sendmsg+0x50/0x50 [ 76.121103][ T9552] ___sys_sendmsg+0x100/0x170 [ 76.125772][ T9552] ? sendmsg_copy_msghdr+0x70/0x70 [ 76.130870][ T9552] ? __fget_files+0x329/0x4f0 [ 76.135529][ T9552] ? ksys_dup3+0x3c0/0x3c0 [ 76.139929][ T9552] ? __fget_light+0x208/0x270 [ 76.144589][ T9552] __sys_sendmsg+0xec/0x1b0 [ 76.149070][ T9552] ? __sys_sendmsg_sock+0xb0/0xb0 [ 76.154079][ T9552] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 76.160034][ T9552] ? __x64_sys_futex+0x380/0x4f0 [ 76.164953][ T9552] ? trace_hardirqs_off_caller+0x55/0x230 [ 76.170666][ T9552] ? do_syscall_64+0x21/0x7d0 [ 76.175397][ T9552] do_syscall_64+0xf6/0x7d0 [ 76.179901][ T9552] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.185779][ T9552] RIP: 0033:0x4466c9 [ 76.189656][ T9552] Code: e8 1c ba 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 0e fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 76.209240][ T9552] RSP: 002b:00007f3b24e11d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 76.217642][ T9552] RAX: ffffffffffffffda RBX: 00000000006dbc68 RCX: 00000000004466c9 [ 76.225602][ T9552] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 76.233691][ T9552] RBP: 00000000006dbc60 R08: 0000000000000000 R09: 0000000000000000 [ 76.241704][ T9552] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc6c [ 76.249845][ T9552] R13: 0000000000000005 R14: 00a3a20740000000 R15: 0507002400000038 [ 76.259434][ T9552] Kernel Offset: disabled [ 76.263829][ T9552] Rebooting in 86400 seconds..