Warning: Permanently added '10.128.0.171' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 92.122385][ T9554] IPVS: ftp: loaded support on port[0] = 21 [ 92.161604][ T9555] ------------[ cut here ]------------ [ 92.167376][ T9555] ODEBUG: activate active (active state 1) object type: rcu_head hint: 0x0 [ 92.176513][ T9555] WARNING: CPU: 1 PID: 9555 at lib/debugobjects.c:485 debug_print_object+0x168/0x250 [ 92.186305][ T9555] Kernel panic - not syncing: panic_on_warn set ... [ 92.192882][ T9555] CPU: 1 PID: 9555 Comm: syz-executor633 Not tainted 5.6.0-rc3-syzkaller #0 [ 92.201528][ T9555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.211563][ T9555] Call Trace: [ 92.214843][ T9555] dump_stack+0x197/0x210 [ 92.219446][ T9555] ? debug_print_object+0x80/0x250 [ 92.224543][ T9555] panic+0x2e3/0x75c [ 92.228432][ T9555] ? add_taint.cold+0x16/0x16 [ 92.233196][ T9555] ? __kasan_check_write+0x14/0x20 [ 92.238296][ T9555] ? __warn.cold+0x14/0x3e [ 92.243042][ T9555] ? __warn+0xd9/0x1cf [ 92.259181][ T9555] ? debug_print_object+0x168/0x250 [ 92.264387][ T9555] __warn.cold+0x2f/0x3e [ 92.268615][ T9555] ? debug_print_object+0x168/0x250 [ 92.273889][ T9555] report_bug+0x289/0x300 [ 92.278223][ T9555] do_error_trap+0x11b/0x200 [ 92.282798][ T9555] do_invalid_op+0x37/0x50 [ 92.289512][ T9555] ? debug_print_object+0x168/0x250 [ 92.294690][ T9555] invalid_op+0x23/0x30 [ 92.298824][ T9555] RIP: 0010:debug_print_object+0x168/0x250 [ 92.304611][ T9555] Code: dd 00 e7 91 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 8b 14 dd 00 e7 91 88 48 c7 c7 60 dc 91 88 e8 07 6e 9f fd <0f> 0b 83 05 03 6c ff 06 01 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3 [ 92.324901][ T9555] RSP: 0018:ffffc90001f870b0 EFLAGS: 00010286 [ 92.331579][ T9555] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 92.339958][ T9555] RDX: 0000000000000000 RSI: ffffffff815ebe46 RDI: fffff520003f0e08 [ 92.347962][ T9555] RBP: ffffc90001f870f0 R08: ffff8880949a4380 R09: fffffbfff16a3370 [ 92.355959][ T9555] R10: fffffbfff16a336f R11: ffffffff8b519b7f R12: 0000000000000001 [ 92.363977][ T9555] R13: ffffffff89bac220 R14: 0000000000000000 R15: 1ffff920003f0e24 [ 92.372573][ T9555] ? vprintk_func+0x86/0x189 [ 92.377187][ T9555] debug_object_activate+0x346/0x470 [ 92.382890][ T9555] ? _raw_spin_unlock_irqrestore+0x9f/0xe0 [ 92.388677][ T9555] ? debug_object_init_on_stack+0x20/0x20 [ 92.394412][ T9555] ? mark_lock+0xc2/0x1220 [ 92.398820][ T9555] ? find_held_lock+0x35/0x130 [ 92.403588][ T9555] ? delayed_work_timer_fn+0x90/0x90 [ 92.408940][ T9555] call_rcu+0x2f/0x700 [ 92.413006][ T9555] ? trace_hardirqs_on+0x67/0x240 [ 92.418030][ T9555] queue_rcu_work+0x8a/0xa0 [ 92.422603][ T9555] ? __route4_delete_filter+0xe0/0xe0 [ 92.427973][ T9555] tcf_queue_work+0xd3/0x110 [ 92.432581][ T9555] route4_change+0x19e8/0x2250 [ 92.437348][ T9555] ? route4_destroy+0x850/0x850 [ 92.442224][ T9555] ? __kasan_check_write+0x14/0x20 [ 92.447338][ T9555] ? wait_for_completion+0x440/0x440 [ 92.452632][ T9555] ? route4_destroy+0x850/0x850 [ 92.457553][ T9555] tc_new_tfilter+0xb82/0x2480 [ 92.462369][ T9555] ? tc_del_tfilter+0x1560/0x1560 [ 92.467479][ T9555] ? __kasan_check_read+0x11/0x20 [ 92.472536][ T9555] ? __lock_acquire+0x8a0/0x4a00 [ 92.477458][ T9555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.483708][ T9555] ? rtnetlink_rcv_msg+0x7e3/0xaf0 [ 92.489040][ T9555] ? find_held_lock+0x35/0x130 [ 92.493803][ T9555] ? rcu_read_lock_held_common+0x130/0x130 [ 92.499611][ T9555] ? tc_del_tfilter+0x1560/0x1560 [ 92.504627][ T9555] ? __kasan_check_read+0x11/0x20 [ 92.509643][ T9555] ? tc_del_tfilter+0x1560/0x1560 [ 92.514740][ T9555] rtnetlink_rcv_msg+0x824/0xaf0 [ 92.519692][ T9555] ? rtnl_bridge_getlink+0x910/0x910 [ 92.524966][ T9555] ? lock_downgrade+0x920/0x920 [ 92.529845][ T9555] ? netlink_deliver_tap+0x226/0xbf0 [ 92.535114][ T9555] ? find_held_lock+0x35/0x130 [ 92.539898][ T9555] netlink_rcv_skb+0x177/0x450 [ 92.545284][ T9555] ? rtnl_bridge_getlink+0x910/0x910 [ 92.550610][ T9555] ? netlink_ack+0xb50/0xb50 [ 92.555200][ T9555] ? __kasan_check_read+0x11/0x20 [ 92.560347][ T9555] ? netlink_deliver_tap+0x248/0xbf0 [ 92.565625][ T9555] rtnetlink_rcv+0x1d/0x30 [ 92.570057][ T9555] netlink_unicast+0x59e/0x7e0 [ 92.574855][ T9555] ? netlink_attachskb+0x870/0x870 [ 92.580016][ T9555] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 92.585812][ T9555] ? __check_object_size+0x3d/0x437 [ 92.591005][ T9555] netlink_sendmsg+0x91c/0xea0 [ 92.595769][ T9555] ? netlink_unicast+0x7e0/0x7e0 [ 92.600697][ T9555] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 92.606509][ T9555] ? apparmor_socket_sendmsg+0x2a/0x30 [ 92.612062][ T9555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.618342][ T9555] ? security_socket_sendmsg+0x8d/0xc0 [ 92.623792][ T9555] ? netlink_unicast+0x7e0/0x7e0 [ 92.628725][ T9555] sock_sendmsg+0xd7/0x130 [ 92.633363][ T9555] ____sys_sendmsg+0x753/0x880 [ 92.638326][ T9555] ? kernel_sendmsg+0x50/0x50 [ 92.643005][ T9555] ? __fget_files+0x337/0x520 [ 92.647709][ T9555] ? find_held_lock+0x35/0x130 [ 92.652480][ T9555] ___sys_sendmsg+0x100/0x170 [ 92.657146][ T9555] ? sendmsg_copy_msghdr+0x70/0x70 [ 92.663909][ T9555] ? __kasan_check_read+0x11/0x20 [ 92.668932][ T9555] ? __fget_files+0x359/0x520 [ 92.673686][ T9555] ? ksys_dup3+0x3e0/0x3e0 [ 92.678097][ T9555] ? __fget_light+0x1ad/0x270 [ 92.682946][ T9555] ? __fdget+0x1b/0x20 [ 92.687044][ T9555] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 92.693295][ T9555] __sys_sendmsg+0x105/0x1d0 [ 92.697887][ T9555] ? __sys_sendmsg_sock+0xc0/0xc0 [ 92.702952][ T9555] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 92.709424][ T9555] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 92.714872][ T9555] ? do_syscall_64+0x26/0x790 [ 92.719542][ T9555] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.729917][ T9555] ? do_syscall_64+0x26/0x790 [ 92.734769][ T9555] __x64_sys_sendmsg+0x78/0xb0 [ 92.739526][ T9555] do_syscall_64+0xfa/0x790 [ 92.744041][ T9555] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.750034][ T9555] RIP: 0033:0x446fa9 [ 92.754112][ T9555] Code: e8 4c 14 03 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 9b 0c fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 92.773714][ T9555] RSP: 002b:00007ff5cb067d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 92.782138][ T9555] RAX: ffffffffffffffda RBX: 00000000006dcc68 RCX: 0000000000446fa9 [ 92.791653][ T9555] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 92.799615][ T9555] RBP: 00000000006dcc60 R08: 0000000000000000 R09: 0000000000000000 [ 92.807576][ T9555] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc6c [ 92.815537][ T9555] R13: 0000000000000005 R14: 00a3a20740000000 R15: 0507002400000038 [ 92.824985][ T9555] Kernel Offset: disabled [ 92.829377][ T9555] Rebooting in 86400 seconds..