Warning: Permanently added '10.128.0.107' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 91.027824][ T9600] IPVS: ftp: loaded support on port[0] = 21 [ 91.062320][ T9602] ------------[ cut here ]------------ [ 91.067930][ T9602] ODEBUG: activate active (active state 1) object type: rcu_head hint: 0x0 [ 91.077424][ T9602] WARNING: CPU: 0 PID: 9602 at lib/debugobjects.c:485 debug_print_object+0x168/0x250 [ 91.086933][ T9602] Kernel panic - not syncing: panic_on_warn set ... [ 91.093507][ T9602] CPU: 0 PID: 9602 Comm: syz-executor827 Not tainted 5.6.0-rc2-syzkaller #0 [ 91.102161][ T9602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.112275][ T9602] Call Trace: [ 91.115666][ T9602] dump_stack+0x197/0x210 [ 91.120042][ T9602] ? debug_print_object+0x160/0x250 [ 91.125237][ T9602] panic+0x2e3/0x75c [ 91.129128][ T9602] ? add_taint.cold+0x16/0x16 [ 91.133794][ T9602] ? __kasan_check_write+0x14/0x20 [ 91.138906][ T9602] ? __warn.cold+0x14/0x3e [ 91.143324][ T9602] ? __warn+0xd9/0x1cf [ 91.147386][ T9602] ? debug_print_object+0x168/0x250 [ 91.152588][ T9602] __warn.cold+0x2f/0x3e [ 91.156843][ T9602] ? debug_print_object+0x168/0x250 [ 91.162091][ T9602] report_bug+0x289/0x300 [ 91.166409][ T9602] do_error_trap+0x11b/0x200 [ 91.170987][ T9602] do_invalid_op+0x37/0x50 [ 91.175389][ T9602] ? debug_print_object+0x168/0x250 [ 91.180589][ T9602] invalid_op+0x23/0x30 [ 91.184735][ T9602] RIP: 0010:debug_print_object+0x168/0x250 [ 91.190560][ T9602] Code: dd 00 e2 91 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 8b 14 dd 00 e2 91 88 48 c7 c7 60 d7 91 88 e8 e7 ab 9f fd <0f> 0b 83 05 23 b5 ff 06 01 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3 [ 91.210370][ T9602] RSP: 0018:ffffc90004e870b0 EFLAGS: 00010286 [ 91.216424][ T9602] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 91.224436][ T9602] RDX: 0000000000000000 RSI: ffffffff815eae46 RDI: fffff520009d0e08 [ 91.232399][ T9602] RBP: ffffc90004e870f0 R08: ffff88808e3f8580 R09: ffffed1015d06659 [ 91.240365][ T9602] R10: ffffed1015d06658 R11: ffff8880ae8332c7 R12: 0000000000000001 [ 91.248318][ T9602] R13: ffffffff89bac120 R14: 0000000000000000 R15: 1ffff920009d0e24 [ 91.256313][ T9602] ? vprintk_func+0x86/0x189 [ 91.260904][ T9602] debug_object_activate+0x346/0x470 [ 91.266175][ T9602] ? _raw_spin_unlock_irqrestore+0x9f/0xe0 [ 91.271970][ T9602] ? debug_object_init_on_stack+0x20/0x20 [ 91.277671][ T9602] ? mark_lock+0xc2/0x1220 [ 91.282072][ T9602] ? find_held_lock+0x35/0x130 [ 91.286831][ T9602] ? delayed_work_timer_fn+0x90/0x90 [ 91.292118][ T9602] call_rcu+0x2f/0x700 [ 91.296169][ T9602] ? trace_hardirqs_on+0x67/0x240 [ 91.301177][ T9602] queue_rcu_work+0x8a/0xa0 [ 91.305666][ T9602] ? __route4_delete_filter+0xe0/0xe0 [ 91.311036][ T9602] tcf_queue_work+0xd3/0x110 [ 91.315779][ T9602] route4_change+0x19e8/0x2250 [ 91.320545][ T9602] ? route4_destroy+0x850/0x850 [ 91.325383][ T9602] ? __kasan_check_write+0x14/0x20 [ 91.330502][ T9602] ? wait_for_completion+0x440/0x440 [ 91.335806][ T9602] ? route4_destroy+0x850/0x850 [ 91.340648][ T9602] tc_new_tfilter+0xb82/0x2480 [ 91.345418][ T9602] ? tc_del_tfilter+0x1560/0x1560 [ 91.350446][ T9602] ? __kasan_check_read+0x11/0x20 [ 91.355491][ T9602] ? __lock_acquire+0x8a0/0x4a00 [ 91.360411][ T9602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.366649][ T9602] ? rtnetlink_rcv_msg+0x7e3/0xaf0 [ 91.371797][ T9602] ? find_held_lock+0x35/0x130 [ 91.376607][ T9602] ? rcu_read_lock_held_common+0x130/0x130 [ 91.382401][ T9602] ? tc_del_tfilter+0x1560/0x1560 [ 91.387456][ T9602] ? __kasan_check_read+0x11/0x20 [ 91.392467][ T9602] ? tc_del_tfilter+0x1560/0x1560 [ 91.397513][ T9602] rtnetlink_rcv_msg+0x824/0xaf0 [ 91.402436][ T9602] ? rtnl_bridge_getlink+0x910/0x910 [ 91.407748][ T9602] ? lock_downgrade+0x920/0x920 [ 91.412591][ T9602] ? netlink_deliver_tap+0x226/0xbf0 [ 91.417919][ T9602] ? find_held_lock+0x35/0x130 [ 91.422688][ T9602] netlink_rcv_skb+0x177/0x450 [ 91.427449][ T9602] ? rtnl_bridge_getlink+0x910/0x910 [ 91.432722][ T9602] ? netlink_ack+0xb50/0xb50 [ 91.437297][ T9602] ? __kasan_check_read+0x11/0x20 [ 91.442305][ T9602] ? netlink_deliver_tap+0x248/0xbf0 [ 91.447771][ T9602] rtnetlink_rcv+0x1d/0x30 [ 91.452171][ T9602] netlink_unicast+0x59e/0x7e0 [ 91.456930][ T9602] ? netlink_attachskb+0x870/0x870 [ 91.462033][ T9602] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 91.467733][ T9602] ? __check_object_size+0x3d/0x437 [ 91.472930][ T9602] netlink_sendmsg+0x91c/0xea0 [ 91.477728][ T9602] ? netlink_unicast+0x7e0/0x7e0 [ 91.482663][ T9602] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 91.488199][ T9602] ? apparmor_socket_sendmsg+0x2a/0x30 [ 91.493643][ T9602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.499951][ T9602] ? security_socket_sendmsg+0x8d/0xc0 [ 91.505423][ T9602] ? netlink_unicast+0x7e0/0x7e0 [ 91.510350][ T9602] sock_sendmsg+0xd7/0x130 [ 91.514752][ T9602] ____sys_sendmsg+0x753/0x880 [ 91.519504][ T9602] ? kernel_sendmsg+0x50/0x50 [ 91.524164][ T9602] ? __fget_files+0x337/0x520 [ 91.528847][ T9602] ? find_held_lock+0x35/0x130 [ 91.533645][ T9602] ___sys_sendmsg+0x100/0x170 [ 91.538328][ T9602] ? sendmsg_copy_msghdr+0x70/0x70 [ 91.543440][ T9602] ? __kasan_check_read+0x11/0x20 [ 91.548458][ T9602] ? __fget_files+0x359/0x520 [ 91.553129][ T9602] ? ksys_dup3+0x3e0/0x3e0 [ 91.557567][ T9602] ? __fget_light+0x1ad/0x270 [ 91.562275][ T9602] ? __fdget+0x1b/0x20 [ 91.566332][ T9602] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 91.572562][ T9602] __sys_sendmsg+0x105/0x1d0 [ 91.577183][ T9602] ? __sys_sendmsg_sock+0xc0/0xc0 [ 91.586209][ T9602] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 91.592220][ T9602] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 91.597667][ T9602] ? do_syscall_64+0x26/0x790 [ 91.602381][ T9602] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.608435][ T9602] ? do_syscall_64+0x26/0x790 [ 91.613103][ T9602] __x64_sys_sendmsg+0x78/0xb0 [ 91.617907][ T9602] do_syscall_64+0xfa/0x790 [ 91.622396][ T9602] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.628270][ T9602] RIP: 0033:0x446ed9 [ 91.632144][ T9602] Code: e8 bc b4 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 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 91.651728][ T9602] RSP: 002b:00007f7c28c85d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 91.660121][ T9602] RAX: ffffffffffffffda RBX: 00000000006dbc68 RCX: 0000000000446ed9 [ 91.668077][ T9602] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 91.676115][ T9602] RBP: 00000000006dbc60 R08: 0000000000000000 R09: 0000000000000000 [ 91.684069][ T9602] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc6c [ 91.692029][ T9602] R13: 0000000000000005 R14: 00a3a20740000000 R15: 0507002400000038 [ 91.701767][ T9602] Kernel Offset: disabled [ 91.706180][ T9602] Rebooting in 86400 seconds..