Warning: Permanently added '10.128.15.197' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 90.598324][ T9410] IPVS: ftp: loaded support on port[0] = 21 [ 90.631159][ T9411] ------------[ cut here ]------------ [ 90.637054][ T9411] ODEBUG: activate active (active state 1) object type: rcu_head hint: 0x0 [ 90.645837][ T9411] WARNING: CPU: 0 PID: 9411 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 90.655285][ T9411] Kernel panic - not syncing: panic_on_warn set ... [ 90.661853][ T9411] CPU: 0 PID: 9411 Comm: syz-executor842 Not tainted 5.6.0-rc5-syzkaller #0 [ 90.670509][ T9411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.680545][ T9411] Call Trace: [ 90.683830][ T9411] dump_stack+0x188/0x20d [ 90.688166][ T9411] ? debug_print_object+0x80/0x250 [ 90.693260][ T9411] panic+0x2e3/0x75c [ 90.697150][ T9411] ? add_taint.cold+0x16/0x16 [ 90.701823][ T9411] ? __probe_kernel_read+0x188/0x1d0 [ 90.707087][ T9411] ? __warn.cold+0x14/0x35 [ 90.711478][ T9411] ? __warn+0xd5/0x1c8 [ 90.715537][ T9411] ? debug_print_object+0x160/0x250 [ 90.720736][ T9411] __warn.cold+0x2f/0x35 [ 90.724967][ T9411] ? debug_print_object+0x160/0x250 [ 90.730154][ T9411] report_bug+0x27b/0x2f0 [ 90.734489][ T9411] do_error_trap+0x12b/0x220 [ 90.739082][ T9411] ? debug_print_object+0x160/0x250 [ 90.744270][ T9411] do_invalid_op+0x32/0x40 [ 90.748662][ T9411] ? debug_print_object+0x160/0x250 [ 90.753841][ T9411] invalid_op+0x23/0x30 [ 90.757991][ T9411] RIP: 0010:debug_print_object+0x160/0x250 [ 90.763777][ T9411] 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 [ 90.783359][ T9411] RSP: 0018:ffffc90002017178 EFLAGS: 00010282 [ 90.789402][ T9411] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 90.797359][ T9411] RDX: 0000000000000000 RSI: ffffffff815bfe61 RDI: fffff52000402e21 [ 90.805318][ T9411] RBP: 0000000000000001 R08: ffff8880a26c20c0 R09: ffffed1015cc45c9 [ 90.813264][ T9411] R10: ffffed1015cc45c8 R11: ffff8880ae622e43 R12: ffffffff899acba0 [ 90.821211][ T9411] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000402e3c [ 90.829172][ T9411] ? vprintk_func+0x81/0x17e [ 90.833739][ T9411] ? debug_print_object+0x160/0x250 [ 90.838913][ T9411] ? lockdep_hardirqs_on+0x417/0x5d0 [ 90.844172][ T9411] debug_object_activate+0x346/0x470 [ 90.849453][ T9411] ? _raw_spin_unlock_irqrestore+0x9b/0xe0 [ 90.855249][ T9411] ? debug_object_init_on_stack+0x20/0x20 [ 90.861022][ T9411] ? find_held_lock+0x2d/0x110 [ 90.865776][ T9411] ? free_object+0x70/0x70 [ 90.870172][ T9411] ? lock_downgrade+0x7f0/0x7f0 [ 90.875040][ T9411] ? delayed_work_timer_fn+0x90/0x90 [ 90.880323][ T9411] call_rcu+0x2c/0x690 [ 90.884395][ T9411] queue_rcu_work+0x82/0xa0 [ 90.888886][ T9411] route4_change+0x19e8/0x2250 [ 90.893630][ T9411] ? route4_destroy+0x800/0x800 [ 90.898476][ T9411] ? wait_for_completion+0x3c0/0x3c0 [ 90.903740][ T9411] tc_new_tfilter+0xa59/0x20b0 [ 90.908482][ T9411] ? route4_destroy+0x800/0x800 [ 90.913312][ T9411] ? tc_del_tfilter+0x1430/0x1430 [ 90.918327][ T9411] ? __lock_acquire+0x80b/0x3ca0 [ 90.923246][ T9411] ? apparmor_capable+0x454/0x8a0 [ 90.928253][ T9411] ? rcu_read_lock_held+0x9c/0xb0 [ 90.933275][ T9411] ? tc_del_tfilter+0x1430/0x1430 [ 90.938289][ T9411] rtnetlink_rcv_msg+0x810/0xad0 [ 90.943210][ T9411] ? rtnl_bridge_getlink+0x870/0x870 [ 90.948486][ T9411] ? mark_held_locks+0xe0/0xe0 [ 90.953245][ T9411] ? netlink_deliver_tap+0x146/0xb50 [ 90.958521][ T9411] netlink_rcv_skb+0x15a/0x410 [ 90.963314][ T9411] ? rtnl_bridge_getlink+0x870/0x870 [ 90.968582][ T9411] ? netlink_ack+0xa80/0xa80 [ 90.973175][ T9411] netlink_unicast+0x537/0x740 [ 90.977919][ T9411] ? netlink_attachskb+0x810/0x810 [ 90.983040][ T9411] ? _copy_from_iter_full+0x25c/0x870 [ 90.988387][ T9411] ? __phys_addr_symbol+0x2c/0x70 [ 90.993387][ T9411] ? __check_object_size+0x171/0x437 [ 90.998652][ T9411] netlink_sendmsg+0x882/0xe10 [ 91.003405][ T9411] ? aa_af_perm+0x260/0x260 [ 91.007883][ T9411] ? netlink_unicast+0x740/0x740 [ 91.012817][ T9411] ? netlink_unicast+0x740/0x740 [ 91.017734][ T9411] sock_sendmsg+0xcf/0x120 [ 91.022138][ T9411] ____sys_sendmsg+0x6b9/0x7d0 [ 91.026890][ T9411] ? kernel_sendmsg+0x50/0x50 [ 91.031558][ T9411] ___sys_sendmsg+0x100/0x170 [ 91.036212][ T9411] ? sendmsg_copy_msghdr+0x70/0x70 [ 91.041305][ T9411] ? __fget_files+0x329/0x4f0 [ 91.045960][ T9411] ? ksys_dup3+0x3c0/0x3c0 [ 91.050356][ T9411] ? __fget_light+0x208/0x270 [ 91.055013][ T9411] __sys_sendmsg+0xec/0x1b0 [ 91.059498][ T9411] ? __sys_sendmsg_sock+0xb0/0xb0 [ 91.064520][ T9411] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 91.070553][ T9411] ? __x64_sys_futex+0x380/0x4f0 [ 91.075524][ T9411] ? trace_hardirqs_off_caller+0x55/0x230 [ 91.081280][ T9411] ? do_syscall_64+0x21/0x7d0 [ 91.085940][ T9411] do_syscall_64+0xf6/0x7d0 [ 91.090432][ T9411] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.096331][ T9411] RIP: 0033:0x4466c9 [ 91.100221][ T9411] 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 [ 91.119818][ T9411] RSP: 002b:00007f81e4b57d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 91.128211][ T9411] RAX: ffffffffffffffda RBX: 00000000006dbc68 RCX: 00000000004466c9 [ 91.136178][ T9411] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 91.144151][ T9411] RBP: 00000000006dbc60 R08: 0000000000000000 R09: 0000000000000000 [ 91.152100][ T9411] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc6c [ 91.160066][ T9411] R13: 0000000000000005 R14: 00a3a20740000000 R15: 0507002400000038 [ 91.169666][ T9411] Kernel Offset: disabled [ 91.174056][ T9411] Rebooting in 86400 seconds..