Warning: Permanently added '10.128.0.61' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 77.445142][ T9624] IPVS: ftp: loaded support on port[0] = 21 [ 77.477737][ T9625] ------------[ cut here ]------------ [ 77.483970][ T9625] ODEBUG: activate active (active state 1) object type: rcu_head hint: 0x0 [ 77.493548][ T9625] WARNING: CPU: 0 PID: 9625 at lib/debugobjects.c:485 debug_print_object+0x168/0x250 [ 77.503027][ T9625] Kernel panic - not syncing: panic_on_warn set ... [ 77.509617][ T9625] CPU: 0 PID: 9625 Comm: syz-executor567 Not tainted 5.6.0-rc2-syzkaller #0 [ 77.518706][ T9625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.528875][ T9625] Call Trace: [ 77.532264][ T9625] dump_stack+0x197/0x210 [ 77.536610][ T9625] ? debug_print_object+0x160/0x250 [ 77.541882][ T9625] panic+0x2e3/0x75c [ 77.545766][ T9625] ? add_taint.cold+0x16/0x16 [ 77.550456][ T9625] ? __kasan_check_write+0x14/0x20 [ 77.555640][ T9625] ? __warn.cold+0x14/0x3e [ 77.560299][ T9625] ? __warn+0xd9/0x1cf [ 77.564353][ T9625] ? debug_print_object+0x168/0x250 [ 77.569725][ T9625] __warn.cold+0x2f/0x3e [ 77.573967][ T9625] ? debug_print_object+0x168/0x250 [ 77.579717][ T9625] report_bug+0x289/0x300 [ 77.584043][ T9625] do_error_trap+0x11b/0x200 [ 77.588767][ T9625] do_invalid_op+0x37/0x50 [ 77.593451][ T9625] ? debug_print_object+0x168/0x250 [ 77.599009][ T9625] invalid_op+0x23/0x30 [ 77.603787][ T9625] RIP: 0010:debug_print_object+0x168/0x250 [ 77.609661][ T9625] Code: dd c0 e2 91 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 8b 14 dd c0 e2 91 88 48 c7 c7 20 d8 91 88 e8 e7 a9 9f fd <0f> 0b 83 05 e3 c4 ff 06 01 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3 [ 77.629446][ T9625] RSP: 0018:ffffc9000674f0b0 EFLAGS: 00010286 [ 77.635511][ T9625] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 77.643485][ T9625] RDX: 0000000000000000 RSI: ffffffff815eae46 RDI: fffff52000ce9e08 [ 77.651480][ T9625] RBP: ffffc9000674f0f0 R08: ffff888096c2e4c0 R09: ffffed1015d06659 [ 77.659461][ T9625] R10: ffffed1015d06658 R11: ffff8880ae8332c7 R12: 0000000000000001 [ 77.667575][ T9625] R13: ffffffff89bac120 R14: 0000000000000000 R15: 1ffff92000ce9e24 [ 77.675612][ T9625] ? vprintk_func+0x86/0x189 [ 77.680196][ T9625] debug_object_activate+0x346/0x470 [ 77.691486][ T9625] ? _raw_spin_unlock_irqrestore+0x9f/0xe0 [ 77.699029][ T9625] ? debug_object_init_on_stack+0x20/0x20 [ 77.705010][ T9625] ? mark_lock+0xc2/0x1220 [ 77.709605][ T9625] ? find_held_lock+0x35/0x130 [ 77.717287][ T9625] ? delayed_work_timer_fn+0x90/0x90 [ 77.723011][ T9625] call_rcu+0x2f/0x700 [ 77.727329][ T9625] ? trace_hardirqs_on+0x67/0x240 [ 77.733816][ T9625] queue_rcu_work+0x8a/0xa0 [ 77.739279][ T9625] ? __route4_delete_filter+0xe0/0xe0 [ 77.745616][ T9625] tcf_queue_work+0xd3/0x110 [ 77.750403][ T9625] route4_change+0x19e8/0x2250 [ 77.755166][ T9625] ? route4_destroy+0x850/0x850 [ 77.761400][ T9625] ? __kasan_check_write+0x14/0x20 [ 77.766605][ T9625] ? wait_for_completion+0x440/0x440 [ 77.773019][ T9625] ? route4_destroy+0x850/0x850 [ 77.777876][ T9625] tc_new_tfilter+0xb82/0x2480 [ 77.782966][ T9625] ? tc_del_tfilter+0x1560/0x1560 [ 77.788884][ T9625] ? __kasan_check_read+0x11/0x20 [ 77.794175][ T9625] ? __lock_acquire+0x8a0/0x4a00 [ 77.799200][ T9625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.805607][ T9625] ? rtnetlink_rcv_msg+0x7e3/0xaf0 [ 77.811255][ T9625] ? find_held_lock+0x35/0x130 [ 77.816131][ T9625] ? rcu_read_lock_held_common+0x130/0x130 [ 77.822048][ T9625] ? tc_del_tfilter+0x1560/0x1560 [ 77.827077][ T9625] ? __kasan_check_read+0x11/0x20 [ 77.832533][ T9625] ? tc_del_tfilter+0x1560/0x1560 [ 77.837605][ T9625] rtnetlink_rcv_msg+0x824/0xaf0 [ 77.842530][ T9625] ? rtnl_bridge_getlink+0x910/0x910 [ 77.847816][ T9625] ? lock_downgrade+0x920/0x920 [ 77.852861][ T9625] ? netlink_deliver_tap+0x226/0xbf0 [ 77.858147][ T9625] ? find_held_lock+0x35/0x130 [ 77.862934][ T9625] netlink_rcv_skb+0x177/0x450 [ 77.867696][ T9625] ? rtnl_bridge_getlink+0x910/0x910 [ 77.872979][ T9625] ? netlink_ack+0xb50/0xb50 [ 77.877561][ T9625] ? __kasan_check_read+0x11/0x20 [ 77.882835][ T9625] ? netlink_deliver_tap+0x248/0xbf0 [ 77.888379][ T9625] rtnetlink_rcv+0x1d/0x30 [ 77.892792][ T9625] netlink_unicast+0x59e/0x7e0 [ 77.897753][ T9625] ? netlink_attachskb+0x870/0x870 [ 77.902988][ T9625] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 77.908784][ T9625] ? __check_object_size+0x3d/0x437 [ 77.914060][ T9625] netlink_sendmsg+0x91c/0xea0 [ 77.918924][ T9625] ? netlink_unicast+0x7e0/0x7e0 [ 77.923847][ T9625] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 77.930073][ T9625] ? apparmor_socket_sendmsg+0x2a/0x30 [ 77.935524][ T9625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.941756][ T9625] ? security_socket_sendmsg+0x8d/0xc0 [ 77.947220][ T9625] ? netlink_unicast+0x7e0/0x7e0 [ 77.952149][ T9625] sock_sendmsg+0xd7/0x130 [ 77.956932][ T9625] ____sys_sendmsg+0x753/0x880 [ 77.962206][ T9625] ? kernel_sendmsg+0x50/0x50 [ 77.966869][ T9625] ? __fget_files+0x337/0x520 [ 77.971529][ T9625] ? find_held_lock+0x35/0x130 [ 77.976434][ T9625] ___sys_sendmsg+0x100/0x170 [ 77.981279][ T9625] ? sendmsg_copy_msghdr+0x70/0x70 [ 77.989940][ T9625] ? __kasan_check_read+0x11/0x20 [ 77.995038][ T9625] ? __fget_files+0x359/0x520 [ 78.012080][ T9625] ? ksys_dup3+0x3e0/0x3e0 [ 78.016606][ T9625] ? __fget_light+0x1ad/0x270 [ 78.021659][ T9625] ? __fdget+0x1b/0x20 [ 78.025895][ T9625] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 78.032384][ T9625] __sys_sendmsg+0x105/0x1d0 [ 78.036976][ T9625] ? __sys_sendmsg_sock+0xc0/0xc0 [ 78.042790][ T9625] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 78.048891][ T9625] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 78.054510][ T9625] ? do_syscall_64+0x26/0x790 [ 78.059282][ T9625] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.066498][ T9625] ? do_syscall_64+0x26/0x790 [ 78.074053][ T9625] __x64_sys_sendmsg+0x78/0xb0 [ 78.079090][ T9625] do_syscall_64+0xfa/0x790 [ 78.084639][ T9625] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.102995][ T9625] RIP: 0033:0x446709 [ 78.107301][ T9625] 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 [ 78.129395][ T9625] RSP: 002b:00007fface248d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 78.138056][ T9625] RAX: ffffffffffffffda RBX: 00000000006dbc68 RCX: 0000000000446709 [ 78.146015][ T9625] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 78.154273][ T9625] RBP: 00000000006dbc60 R08: 0000000000000000 R09: 0000000000000000 [ 78.162665][ T9625] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc6c [ 78.171147][ T9625] R13: 0000000000000005 R14: 00a3a20740000000 R15: 0507002400000038 [ 78.181008][ T9625] Kernel Offset: disabled [ 78.186615][ T9625] Rebooting in 86400 seconds..