Warning: Permanently added '10.128.0.182' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 103.332329][ T9510] IPVS: ftp: loaded support on port[0] = 21 [ 103.364779][ T9511] ------------[ cut here ]------------ [ 103.370641][ T9511] ODEBUG: activate active (active state 1) object type: rcu_head hint: 0x0 [ 103.379455][ T9511] WARNING: CPU: 1 PID: 9511 at lib/debugobjects.c:485 debug_print_object+0x168/0x250 [ 103.388939][ T9511] Kernel panic - not syncing: panic_on_warn set ... [ 103.395505][ T9511] CPU: 1 PID: 9511 Comm: syz-executor695 Not tainted 5.6.0-rc3-syzkaller #0 [ 103.404171][ T9511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 103.414207][ T9511] Call Trace: [ 103.417484][ T9511] dump_stack+0x197/0x210 [ 103.421799][ T9511] ? debug_print_object+0x80/0x250 [ 103.426891][ T9511] panic+0x2e3/0x75c [ 103.430767][ T9511] ? add_taint.cold+0x16/0x16 [ 103.435436][ T9511] ? __kasan_check_write+0x14/0x20 [ 103.440530][ T9511] ? __warn.cold+0x14/0x3e [ 103.444929][ T9511] ? __warn+0xd9/0x1cf [ 103.448990][ T9511] ? debug_print_object+0x168/0x250 [ 103.454170][ T9511] __warn.cold+0x2f/0x3e [ 103.458410][ T9511] ? debug_print_object+0x168/0x250 [ 103.463591][ T9511] report_bug+0x289/0x300 [ 103.467903][ T9511] do_error_trap+0x11b/0x200 [ 103.472481][ T9511] do_invalid_op+0x37/0x50 [ 103.476881][ T9511] ? debug_print_object+0x168/0x250 [ 103.482062][ T9511] invalid_op+0x23/0x30 [ 103.486194][ T9511] RIP: 0010:debug_print_object+0x168/0x250 [ 103.491980][ T9511] 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 [ 103.511571][ T9511] RSP: 0018:ffffc900077d70a0 EFLAGS: 00010282 [ 103.517617][ T9511] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 103.525589][ T9511] RDX: 0000000000000000 RSI: ffffffff815ebe46 RDI: fffff52000efae06 [ 103.533950][ T9511] RBP: ffffc900077d70e0 R08: ffff8880a30a4280 R09: ffffed1015d245c9 [ 103.541921][ T9511] R10: ffffed1015d245c8 R11: ffff8880ae922e43 R12: 0000000000000001 [ 103.549879][ T9511] R13: ffffffff89bac220 R14: 0000000000000000 R15: 1ffff92000efae22 [ 103.557855][ T9511] ? vprintk_func+0x86/0x189 [ 103.562437][ T9511] debug_object_activate+0x346/0x470 [ 103.567704][ T9511] ? _raw_spin_unlock_irqrestore+0x9f/0xe0 [ 103.573493][ T9511] ? debug_object_init_on_stack+0x20/0x20 [ 103.579196][ T9511] ? mark_lock+0xc2/0x1220 [ 103.583637][ T9511] ? find_held_lock+0x35/0x130 [ 103.588432][ T9511] ? delayed_work_timer_fn+0x90/0x90 [ 103.593710][ T9511] call_rcu+0x2f/0x700 [ 103.597767][ T9511] ? trace_hardirqs_on+0x67/0x240 [ 103.602777][ T9511] queue_rcu_work+0x8a/0xa0 [ 103.607264][ T9511] ? __route4_delete_filter+0xe0/0xe0 [ 103.612616][ T9511] tcf_queue_work+0xd3/0x110 [ 103.617191][ T9511] route4_change+0x19e8/0x2250 [ 103.621944][ T9511] ? route4_destroy+0x850/0x850 [ 103.626828][ T9511] ? __kasan_check_write+0x14/0x20 [ 103.631927][ T9511] ? wait_for_completion+0x440/0x440 [ 103.637192][ T9511] ? route4_destroy+0x850/0x850 [ 103.642025][ T9511] tc_new_tfilter+0xb82/0x2480 [ 103.646782][ T9511] ? tc_del_tfilter+0x1560/0x1560 [ 103.651788][ T9511] ? __kasan_check_read+0x11/0x20 [ 103.656788][ T9511] ? __lock_acquire+0x8a0/0x4a00 [ 103.661702][ T9511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 103.667928][ T9511] ? rtnetlink_rcv_msg+0x7e3/0xaf0 [ 103.673020][ T9511] ? find_held_lock+0x35/0x130 [ 103.677772][ T9511] ? rcu_read_lock_held_common+0x130/0x130 [ 103.683564][ T9511] ? tc_del_tfilter+0x1560/0x1560 [ 103.688608][ T9511] ? __kasan_check_read+0x11/0x20 [ 103.693612][ T9511] ? tc_del_tfilter+0x1560/0x1560 [ 103.698653][ T9511] rtnetlink_rcv_msg+0x824/0xaf0 [ 103.703576][ T9511] ? rtnl_bridge_getlink+0x910/0x910 [ 103.708841][ T9511] ? lock_downgrade+0x920/0x920 [ 103.713674][ T9511] ? netlink_deliver_tap+0x226/0xbf0 [ 103.718936][ T9511] ? find_held_lock+0x35/0x130 [ 103.723685][ T9511] netlink_rcv_skb+0x177/0x450 [ 103.728515][ T9511] ? rtnl_bridge_getlink+0x910/0x910 [ 103.733796][ T9511] ? netlink_ack+0xb50/0xb50 [ 103.738369][ T9511] ? __kasan_check_read+0x11/0x20 [ 103.743377][ T9511] ? netlink_deliver_tap+0x248/0xbf0 [ 103.748682][ T9511] rtnetlink_rcv+0x1d/0x30 [ 103.753191][ T9511] netlink_unicast+0x59e/0x7e0 [ 103.757947][ T9511] ? netlink_attachskb+0x870/0x870 [ 103.763071][ T9511] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 103.768787][ T9511] ? __check_object_size+0x3d/0x437 [ 103.773983][ T9511] netlink_sendmsg+0x91c/0xea0 [ 103.778752][ T9511] ? netlink_unicast+0x7e0/0x7e0 [ 103.783676][ T9511] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 103.789379][ T9511] ? apparmor_socket_sendmsg+0x2a/0x30 [ 103.794818][ T9511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 103.801080][ T9511] ? security_socket_sendmsg+0x8d/0xc0 [ 103.806669][ T9511] ? netlink_unicast+0x7e0/0x7e0 [ 103.811591][ T9511] sock_sendmsg+0xd7/0x130 [ 103.815993][ T9511] ____sys_sendmsg+0x753/0x880 [ 103.820741][ T9511] ? kernel_sendmsg+0x50/0x50 [ 103.825399][ T9511] ? find_held_lock+0x35/0x130 [ 103.830153][ T9511] ___sys_sendmsg+0x100/0x170 [ 103.834820][ T9511] ? sendmsg_copy_msghdr+0x70/0x70 [ 103.839927][ T9511] ? __kasan_check_read+0x11/0x20 [ 103.844936][ T9511] ? __fget_files+0x359/0x520 [ 103.849620][ T9511] ? ksys_dup3+0x3e0/0x3e0 [ 103.854087][ T9511] ? __fget_light+0x1ad/0x270 [ 103.858749][ T9511] ? __fdget+0x1b/0x20 [ 103.862803][ T9511] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 103.869032][ T9511] __sys_sendmsg+0x105/0x1d0 [ 103.873631][ T9511] ? __sys_sendmsg_sock+0xc0/0xc0 [ 103.878643][ T9511] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 103.884619][ T9511] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 103.890067][ T9511] ? do_fast_syscall_32+0xd1/0xe16 [ 103.895159][ T9511] ? entry_SYSENTER_compat+0x70/0x7f [ 103.900423][ T9511] ? do_fast_syscall_32+0xd1/0xe16 [ 103.905523][ T9511] __ia32_compat_sys_sendmsg+0x7a/0xb0 [ 103.910966][ T9511] do_fast_syscall_32+0x27b/0xe16 [ 103.915982][ T9511] entry_SYSENTER_compat+0x70/0x7f [ 103.921079][ T9511] RIP: 0023:0xf7fb6e39 [ 103.925143][ T9511] Code: 1d 00 00 00 89 d3 5b 5e 5d c3 8b 04 24 c3 8b 1c 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 103.944731][ T9511] RSP: 002b:00000000f7fb11ec EFLAGS: 00000246 ORIG_RAX: 0000000000000172 [ 103.953123][ T9511] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000280 [ 103.961088][ T9511] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 103.969042][ T9511] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 103.976993][ T9511] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 103.984949][ T9511] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 103.994251][ T9511] Kernel Offset: disabled [ 103.998639][ T9511] Rebooting in 86400 seconds..