Warning: Permanently added '10.128.1.27' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 111.265847][ T9575] IPVS: ftp: loaded support on port[0] = 21 [ 111.304722][ T9576] ------------[ cut here ]------------ [ 111.310321][ T9576] ODEBUG: activate active (active state 1) object type: rcu_head hint: 0x0 [ 111.319653][ T9576] WARNING: CPU: 0 PID: 9576 at lib/debugobjects.c:485 debug_print_object+0x168/0x250 [ 111.329096][ T9576] Kernel panic - not syncing: panic_on_warn set ... [ 111.335680][ T9576] CPU: 0 PID: 9576 Comm: syz-executor080 Not tainted 5.6.0-rc3-syzkaller #0 [ 111.344325][ T9576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 111.354361][ T9576] Call Trace: [ 111.357638][ T9576] dump_stack+0x197/0x210 [ 111.361951][ T9576] ? debug_print_object+0x80/0x250 [ 111.367085][ T9576] panic+0x2e3/0x75c [ 111.370962][ T9576] ? add_taint.cold+0x16/0x16 [ 111.375638][ T9576] ? __kasan_check_write+0x14/0x20 [ 111.380774][ T9576] ? __warn.cold+0x14/0x3e [ 111.385173][ T9576] ? __warn+0xd9/0x1cf [ 111.389223][ T9576] ? debug_print_object+0x168/0x250 [ 111.394399][ T9576] __warn.cold+0x2f/0x3e [ 111.398625][ T9576] ? debug_print_object+0x168/0x250 [ 111.403850][ T9576] report_bug+0x289/0x300 [ 111.408206][ T9576] do_error_trap+0x11b/0x200 [ 111.412780][ T9576] do_invalid_op+0x37/0x50 [ 111.417173][ T9576] ? debug_print_object+0x168/0x250 [ 111.422382][ T9576] invalid_op+0x23/0x30 [ 111.426519][ T9576] RIP: 0010:debug_print_object+0x168/0x250 [ 111.432425][ T9576] 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 [ 111.452040][ T9576] RSP: 0018:ffffc90005c570b0 EFLAGS: 00010286 [ 111.458084][ T9576] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 111.466035][ T9576] RDX: 0000000000000000 RSI: ffffffff815ebe46 RDI: fffff52000b8ae08 [ 111.473988][ T9576] RBP: ffffc90005c570f0 R08: ffff88808a0a8240 R09: ffffed1015d06659 [ 111.481942][ T9576] R10: ffffed1015d06658 R11: ffff8880ae8332c7 R12: 0000000000000001 [ 111.489897][ T9576] R13: ffffffff89bac220 R14: 0000000000000000 R15: 1ffff92000b8ae24 [ 111.497916][ T9576] ? vprintk_func+0x86/0x189 [ 111.502497][ T9576] debug_object_activate+0x346/0x470 [ 111.507761][ T9576] ? _raw_spin_unlock_irqrestore+0x9f/0xe0 [ 111.513545][ T9576] ? debug_object_init_on_stack+0x20/0x20 [ 111.519244][ T9576] ? mark_lock+0xc2/0x1220 [ 111.523635][ T9576] ? find_held_lock+0x35/0x130 [ 111.528388][ T9576] ? delayed_work_timer_fn+0x90/0x90 [ 111.533654][ T9576] call_rcu+0x2f/0x700 [ 111.537704][ T9576] ? trace_hardirqs_on+0x67/0x240 [ 111.542708][ T9576] queue_rcu_work+0x8a/0xa0 [ 111.547196][ T9576] ? __route4_delete_filter+0xe0/0xe0 [ 111.552547][ T9576] tcf_queue_work+0xd3/0x110 [ 111.557229][ T9576] route4_change+0x19e8/0x2250 [ 111.561990][ T9576] ? route4_destroy+0x850/0x850 [ 111.566977][ T9576] ? __kasan_check_write+0x14/0x20 [ 111.572205][ T9576] ? wait_for_completion+0x440/0x440 [ 111.577476][ T9576] ? route4_destroy+0x850/0x850 [ 111.582307][ T9576] tc_new_tfilter+0xb82/0x2480 [ 111.587108][ T9576] ? tc_del_tfilter+0x1560/0x1560 [ 111.592126][ T9576] ? __kasan_check_read+0x11/0x20 [ 111.597130][ T9576] ? __lock_acquire+0x8a0/0x4a00 [ 111.602091][ T9576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 111.608316][ T9576] ? rtnetlink_rcv_msg+0x7e3/0xaf0 [ 111.613405][ T9576] ? find_held_lock+0x35/0x130 [ 111.618158][ T9576] ? rcu_read_lock_held_common+0x130/0x130 [ 111.623945][ T9576] ? tc_del_tfilter+0x1560/0x1560 [ 111.628990][ T9576] ? __kasan_check_read+0x11/0x20 [ 111.633997][ T9576] ? tc_del_tfilter+0x1560/0x1560 [ 111.639001][ T9576] rtnetlink_rcv_msg+0x824/0xaf0 [ 111.643963][ T9576] ? rtnl_bridge_getlink+0x910/0x910 [ 111.649226][ T9576] ? lock_downgrade+0x920/0x920 [ 111.654075][ T9576] ? netlink_deliver_tap+0x226/0xbf0 [ 111.659353][ T9576] ? find_held_lock+0x35/0x130 [ 111.664102][ T9576] netlink_rcv_skb+0x177/0x450 [ 111.668852][ T9576] ? rtnl_bridge_getlink+0x910/0x910 [ 111.674123][ T9576] ? netlink_ack+0xb50/0xb50 [ 111.678693][ T9576] ? __kasan_check_read+0x11/0x20 [ 111.683707][ T9576] ? netlink_deliver_tap+0x248/0xbf0 [ 111.688977][ T9576] rtnetlink_rcv+0x1d/0x30 [ 111.693371][ T9576] netlink_unicast+0x59e/0x7e0 [ 111.698118][ T9576] ? netlink_attachskb+0x870/0x870 [ 111.703210][ T9576] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 111.708910][ T9576] ? __check_object_size+0x3d/0x437 [ 111.714099][ T9576] netlink_sendmsg+0x91c/0xea0 [ 111.718849][ T9576] ? netlink_unicast+0x7e0/0x7e0 [ 111.723766][ T9576] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 111.729458][ T9576] ? apparmor_socket_sendmsg+0x2a/0x30 [ 111.734906][ T9576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 111.741126][ T9576] ? security_socket_sendmsg+0x8d/0xc0 [ 111.746738][ T9576] ? netlink_unicast+0x7e0/0x7e0 [ 111.751656][ T9576] sock_sendmsg+0xd7/0x130 [ 111.756066][ T9576] ____sys_sendmsg+0x753/0x880 [ 111.760824][ T9576] ? kernel_sendmsg+0x50/0x50 [ 111.765484][ T9576] ? __fget_files+0x337/0x520 [ 111.770155][ T9576] ? find_held_lock+0x35/0x130 [ 111.774909][ T9576] ___sys_sendmsg+0x100/0x170 [ 111.779569][ T9576] ? sendmsg_copy_msghdr+0x70/0x70 [ 111.784676][ T9576] ? __kasan_check_read+0x11/0x20 [ 111.789703][ T9576] ? __fget_files+0x359/0x520 [ 111.794381][ T9576] ? ksys_dup3+0x3e0/0x3e0 [ 111.798791][ T9576] ? __fget_light+0x1ad/0x270 [ 111.803487][ T9576] ? __fdget+0x1b/0x20 [ 111.807532][ T9576] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 111.813761][ T9576] __sys_sendmsg+0x105/0x1d0 [ 111.818340][ T9576] ? __sys_sendmsg_sock+0xc0/0xc0 [ 111.823388][ T9576] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 111.829357][ T9576] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 111.834802][ T9576] ? do_syscall_64+0x26/0x790 [ 111.839499][ T9576] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 111.845544][ T9576] ? do_syscall_64+0x26/0x790 [ 111.850206][ T9576] __x64_sys_sendmsg+0x78/0xb0 [ 111.854950][ T9576] do_syscall_64+0xfa/0x790 [ 111.859748][ T9576] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 111.865659][ T9576] RIP: 0033:0x446fa9 [ 111.869538][ T9576] 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 [ 111.889119][ T9576] RSP: 002b:00007efd7d958d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 111.897511][ T9576] RAX: ffffffffffffffda RBX: 00000000006dcc68 RCX: 0000000000446fa9 [ 111.905467][ T9576] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 111.913456][ T9576] RBP: 00000000006dcc60 R08: 0000000000000000 R09: 0000000000000000 [ 111.921405][ T9576] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc6c [ 111.929356][ T9576] R13: 0000000000000005 R14: 00a3a20740000000 R15: 0507002400000038 [ 111.938734][ T9576] Kernel Offset: disabled [ 111.943118][ T9576] Rebooting in 86400 seconds..