Warning: Permanently added '10.128.10.53' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 76.416179][ T9523] IPVS: ftp: loaded support on port[0] = 21 [ 76.449913][ T9524] ------------[ cut here ]------------ [ 76.455543][ T9524] ODEBUG: activate active (active state 1) object type: rcu_head hint: 0x0 [ 76.464327][ T9524] WARNING: CPU: 0 PID: 9524 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 76.473749][ T9524] Kernel panic - not syncing: panic_on_warn set ... [ 76.480313][ T9524] CPU: 0 PID: 9524 Comm: syz-executor139 Not tainted 5.6.0-rc5-syzkaller #0 [ 76.488960][ T9524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.498991][ T9524] Call Trace: [ 76.502265][ T9524] dump_stack+0x188/0x20d [ 76.506578][ T9524] ? debug_print_object+0xc0/0x250 [ 76.511668][ T9524] panic+0x2e3/0x75c [ 76.515543][ T9524] ? add_taint.cold+0x16/0x16 [ 76.520203][ T9524] ? __probe_kernel_read+0x188/0x1d0 [ 76.525465][ T9524] ? __warn.cold+0x14/0x35 [ 76.529859][ T9524] ? __warn+0xd5/0x1c8 [ 76.533908][ T9524] ? debug_print_object+0x160/0x250 [ 76.539084][ T9524] __warn.cold+0x2f/0x35 [ 76.543303][ T9524] ? debug_print_object+0x160/0x250 [ 76.548479][ T9524] report_bug+0x27b/0x2f0 [ 76.552830][ T9524] do_error_trap+0x12b/0x220 [ 76.557402][ T9524] ? debug_print_object+0x160/0x250 [ 76.562583][ T9524] do_invalid_op+0x32/0x40 [ 76.566977][ T9524] ? debug_print_object+0x160/0x250 [ 76.572153][ T9524] invalid_op+0x23/0x30 [ 76.576397][ T9524] RIP: 0010:debug_print_object+0x160/0x250 [ 76.582177][ T9524] 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 78 d9 b1 fd <0f> 0b 83 05 0b b7 d3 06 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 76.601765][ T9524] RSP: 0018:ffffc900020e7178 EFLAGS: 00010282 [ 76.607804][ T9524] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 76.615754][ T9524] RDX: 0000000000000000 RSI: ffffffff815bf4f1 RDI: fffff5200041ce21 [ 76.623700][ T9524] RBP: 0000000000000001 R08: ffff88808e1b4340 R09: ffffed1015cc45c9 [ 76.631645][ T9524] R10: ffffed1015cc45c8 R11: ffff8880ae622e43 R12: ffffffff897acba0 [ 76.639591][ T9524] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200041ce3c [ 76.647606][ T9524] ? vprintk_func+0x81/0x17e [ 76.652187][ T9524] ? debug_print_object+0x160/0x250 [ 76.657362][ T9524] ? lockdep_hardirqs_on+0x417/0x5d0 [ 76.662622][ T9524] debug_object_activate+0x346/0x470 [ 76.667883][ T9524] ? _raw_spin_unlock_irqrestore+0x9b/0xe0 [ 76.673664][ T9524] ? debug_object_init_on_stack+0x20/0x20 [ 76.679357][ T9524] ? find_held_lock+0x2d/0x110 [ 76.684098][ T9524] ? free_object+0x70/0x70 [ 76.688490][ T9524] ? lock_downgrade+0x7f0/0x7f0 [ 76.693318][ T9524] ? delayed_work_timer_fn+0x90/0x90 [ 76.698581][ T9524] call_rcu+0x2c/0x690 [ 76.702664][ T9524] queue_rcu_work+0x82/0xa0 [ 76.707146][ T9524] route4_change+0x19e8/0x2250 [ 76.711944][ T9524] ? route4_destroy+0x800/0x800 [ 76.716785][ T9524] ? wait_for_completion+0x3c0/0x3c0 [ 76.722051][ T9524] tc_new_tfilter+0xa59/0x20b0 [ 76.726795][ T9524] ? route4_destroy+0x800/0x800 [ 76.731626][ T9524] ? tc_del_tfilter+0x1430/0x1430 [ 76.736630][ T9524] ? __lock_acquire+0x80b/0x3ca0 [ 76.741549][ T9524] ? apparmor_capable+0x454/0x8a0 [ 76.746560][ T9524] ? rcu_read_lock_held+0x9c/0xb0 [ 76.751562][ T9524] ? tc_del_tfilter+0x1430/0x1430 [ 76.756558][ T9524] rtnetlink_rcv_msg+0x810/0xad0 [ 76.761471][ T9524] ? rtnl_bridge_getlink+0x880/0x880 [ 76.766738][ T9524] ? mark_held_locks+0xe0/0xe0 [ 76.771478][ T9524] ? netlink_deliver_tap+0x146/0xb50 [ 76.776741][ T9524] netlink_rcv_skb+0x15a/0x410 [ 76.781479][ T9524] ? rtnl_bridge_getlink+0x880/0x880 [ 76.786739][ T9524] ? netlink_ack+0xa80/0xa80 [ 76.791312][ T9524] netlink_unicast+0x537/0x740 [ 76.796052][ T9524] ? netlink_attachskb+0x810/0x810 [ 76.801136][ T9524] ? _copy_from_iter_full+0x25c/0x870 [ 76.806482][ T9524] ? __phys_addr_symbol+0x2c/0x70 [ 76.811482][ T9524] ? __check_object_size+0x171/0x437 [ 76.816748][ T9524] netlink_sendmsg+0x882/0xe10 [ 76.821488][ T9524] ? aa_af_perm+0x260/0x260 [ 76.825979][ T9524] ? netlink_unicast+0x740/0x740 [ 76.830921][ T9524] ? netlink_unicast+0x740/0x740 [ 76.835835][ T9524] sock_sendmsg+0xcf/0x120 [ 76.840230][ T9524] ____sys_sendmsg+0x6b9/0x7d0 [ 76.844969][ T9524] ? kernel_sendmsg+0x50/0x50 [ 76.849631][ T9524] ___sys_sendmsg+0x100/0x170 [ 76.854281][ T9524] ? sendmsg_copy_msghdr+0x70/0x70 [ 76.859375][ T9524] ? __fget_files+0x329/0x4f0 [ 76.864039][ T9524] ? ksys_dup3+0x3c0/0x3c0 [ 76.868437][ T9524] ? __fget_light+0x208/0x270 [ 76.873090][ T9524] __sys_sendmsg+0xec/0x1b0 [ 76.877564][ T9524] ? __sys_sendmsg_sock+0xb0/0xb0 [ 76.882561][ T9524] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 76.888515][ T9524] ? __x64_sys_futex+0x380/0x4f0 [ 76.893500][ T9524] ? trace_hardirqs_off_caller+0x55/0x230 [ 76.899234][ T9524] ? do_syscall_64+0x21/0x7d0 [ 76.903906][ T9524] do_syscall_64+0xf6/0x7d0 [ 76.908400][ T9524] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.914397][ T9524] RIP: 0033:0x446709 [ 76.918273][ T9524] 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 [ 76.937856][ T9524] RSP: 002b:00007f37e7793d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 76.946245][ T9524] RAX: ffffffffffffffda RBX: 00000000006dbc68 RCX: 0000000000446709 [ 76.954191][ T9524] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 76.962136][ T9524] RBP: 00000000006dbc60 R08: 0000000000000000 R09: 0000000000000000 [ 76.970082][ T9524] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc6c [ 76.978028][ T9524] R13: 0000000000000005 R14: 00a3a20740000000 R15: 0507002400000038 [ 76.987352][ T9524] Kernel Offset: disabled [ 76.991721][ T9524] Rebooting in 86400 seconds..