Warning: Permanently added '10.128.15.197' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 76.305772][ T9596] IPVS: ftp: loaded support on port[0] = 21 [ 76.349127][ T9603] ------------[ cut here ]------------ [ 76.354930][ T9603] ODEBUG: activate active (active state 1) object type: rcu_head hint: 0x0 [ 76.364088][ T9603] WARNING: CPU: 1 PID: 9603 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 76.373548][ T9603] Kernel panic - not syncing: panic_on_warn set ... [ 76.380121][ T9603] CPU: 1 PID: 9603 Comm: syz-executor294 Not tainted 5.6.0-rc6-syzkaller #0 [ 76.388775][ T9603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.398821][ T9603] Call Trace: [ 76.402101][ T9603] dump_stack+0x188/0x20d [ 76.406419][ T9603] ? debug_print_object+0xc0/0x250 [ 76.411530][ T9603] panic+0x2e3/0x75c [ 76.415418][ T9603] ? add_taint.cold+0x16/0x16 [ 76.420099][ T9603] ? __probe_kernel_read+0x188/0x1d0 [ 76.425380][ T9603] ? __warn.cold+0x14/0x35 [ 76.429806][ T9603] ? __warn+0xd5/0x1c8 [ 76.433954][ T9603] ? debug_print_object+0x160/0x250 [ 76.439154][ T9603] __warn.cold+0x2f/0x35 [ 76.443395][ T9603] ? debug_print_object+0x160/0x250 [ 76.448687][ T9603] report_bug+0x27b/0x2f0 [ 76.453036][ T9603] do_error_trap+0x12b/0x220 [ 76.457618][ T9603] ? debug_print_object+0x160/0x250 [ 76.462820][ T9603] do_invalid_op+0x32/0x40 [ 76.467230][ T9603] ? debug_print_object+0x160/0x250 [ 76.472454][ T9603] invalid_op+0x23/0x30 [ 76.476602][ T9603] RIP: 0010:debug_print_object+0x160/0x250 [ 76.482672][ T9603] Code: dd 00 f2 51 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd 00 f2 51 88 48 c7 c7 60 e7 51 88 e8 78 29 b1 fd <0f> 0b 83 05 cb f6 d2 06 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 76.502480][ T9603] RSP: 0018:ffffc90002067168 EFLAGS: 00010286 [ 76.508547][ T9603] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 76.516537][ T9603] RDX: 0000000000000000 RSI: ffffffff815c06c1 RDI: fffff5200040ce1f [ 76.524507][ T9603] RBP: 0000000000000001 R08: ffff8880a02c8500 R09: fffffbfff180e578 [ 76.532468][ T9603] R10: fffffbfff180e577 R11: ffffffff8c072bbf R12: ffffffff897acba0 [ 76.540530][ T9603] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200040ce3a [ 76.548572][ T9603] ? vprintk_func+0x81/0x17e [ 76.553230][ T9603] ? debug_print_object+0x160/0x250 [ 76.558444][ T9603] ? lockdep_hardirqs_on+0x417/0x5d0 [ 76.563736][ T9603] debug_object_activate+0x346/0x470 [ 76.569027][ T9603] ? _raw_spin_unlock_irqrestore+0x9b/0xe0 [ 76.574842][ T9603] ? debug_object_init_on_stack+0x20/0x20 [ 76.580673][ T9603] ? find_held_lock+0x2d/0x110 [ 76.585452][ T9603] ? free_object+0x70/0x70 [ 76.589865][ T9603] ? lock_downgrade+0x7f0/0x7f0 [ 76.594719][ T9603] ? delayed_work_timer_fn+0x90/0x90 [ 76.600024][ T9603] call_rcu+0x2c/0x690 [ 76.604086][ T9603] queue_rcu_work+0x82/0xa0 [ 76.608580][ T9603] route4_change+0x19e8/0x2250 [ 76.613451][ T9603] ? route4_destroy+0x800/0x800 [ 76.618303][ T9603] ? wait_for_completion+0x3c0/0x3c0 [ 76.623596][ T9603] tc_new_tfilter+0xa59/0x20b0 [ 76.628509][ T9603] ? route4_destroy+0x800/0x800 [ 76.633361][ T9603] ? tc_del_tfilter+0x1430/0x1430 [ 76.638386][ T9603] ? __lock_acquire+0x80b/0x3ca0 [ 76.643336][ T9603] ? apparmor_capable+0x454/0x8a0 [ 76.648383][ T9603] ? rcu_read_lock_held+0x9c/0xb0 [ 76.653430][ T9603] ? tc_del_tfilter+0x1430/0x1430 [ 76.658465][ T9603] rtnetlink_rcv_msg+0x810/0xad0 [ 76.663535][ T9603] ? rtnl_bridge_getlink+0x880/0x880 [ 76.668815][ T9603] ? mark_held_locks+0xe0/0xe0 [ 76.673565][ T9603] ? netlink_deliver_tap+0x146/0xb50 [ 76.678840][ T9603] netlink_rcv_skb+0x15a/0x410 [ 76.683594][ T9603] ? rtnl_bridge_getlink+0x880/0x880 [ 76.689393][ T9603] ? netlink_ack+0xa80/0xa80 [ 76.694001][ T9603] netlink_unicast+0x537/0x740 [ 76.698873][ T9603] ? netlink_attachskb+0x810/0x810 [ 76.703988][ T9603] ? _copy_from_iter_full+0x25c/0x870 [ 76.709369][ T9603] ? __phys_addr_symbol+0x2c/0x70 [ 76.714396][ T9603] ? __check_object_size+0x171/0x437 [ 76.719754][ T9603] netlink_sendmsg+0x882/0xe10 [ 76.724669][ T9603] ? aa_af_perm+0x260/0x260 [ 76.729203][ T9603] ? netlink_unicast+0x740/0x740 [ 76.734327][ T9603] ? netlink_unicast+0x740/0x740 [ 76.739255][ T9603] sock_sendmsg+0xcf/0x120 [ 76.743935][ T9603] ____sys_sendmsg+0x6b9/0x7d0 [ 76.748696][ T9603] ? kernel_sendmsg+0x50/0x50 [ 76.753442][ T9603] ___sys_sendmsg+0x100/0x170 [ 76.758143][ T9603] ? sendmsg_copy_msghdr+0x70/0x70 [ 76.763270][ T9603] ? __fget_files+0x329/0x4f0 [ 76.768081][ T9603] ? ksys_dup3+0x3c0/0x3c0 [ 76.772595][ T9603] ? __fget_light+0x208/0x270 [ 76.777365][ T9603] __sys_sendmsg+0xec/0x1b0 [ 76.781939][ T9603] ? __sys_sendmsg_sock+0xb0/0xb0 [ 76.786954][ T9603] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 76.792922][ T9603] ? __ia32_sys_futex_time32+0x32a/0x494 [ 76.798563][ T9603] ? fpregs_mark_activate+0x320/0x320 [ 76.803925][ T9603] ? trace_hardirqs_off_caller+0x55/0x230 [ 76.809627][ T9603] ? do_fast_syscall_32+0xcc/0xe8f [ 76.814744][ T9603] do_fast_syscall_32+0x270/0xe8f [ 76.819769][ T9603] entry_SYSENTER_compat+0x70/0x7f [ 76.826416][ T9603] Kernel Offset: disabled [ 76.830806][ T9603] Rebooting in 86400 seconds..