Warning: Permanently added '10.128.0.250' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 97.909465][ T9609] IPVS: ftp: loaded support on port[0] = 21 [ 97.942363][ T9610] ------------[ cut here ]------------ [ 97.947986][ T9610] ODEBUG: activate active (active state 1) object type: rcu_head hint: 0x0 [ 97.957165][ T9610] WARNING: CPU: 1 PID: 9610 at lib/debugobjects.c:485 debug_print_object+0x168/0x250 [ 97.967342][ T9610] Kernel panic - not syncing: panic_on_warn set ... [ 97.974138][ T9610] CPU: 1 PID: 9610 Comm: syz-executor322 Not tainted 5.6.0-rc2-syzkaller #0 [ 97.982788][ T9610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.992825][ T9610] Call Trace: [ 97.996106][ T9610] dump_stack+0x197/0x210 [ 98.000422][ T9610] ? debug_print_object+0x160/0x250 [ 98.005604][ T9610] panic+0x2e3/0x75c [ 98.009484][ T9610] ? add_taint.cold+0x16/0x16 [ 98.014159][ T9610] ? __kasan_check_write+0x14/0x20 [ 98.019252][ T9610] ? __warn.cold+0x14/0x3e [ 98.023650][ T9610] ? __warn+0xd9/0x1cf [ 98.027699][ T9610] ? debug_print_object+0x168/0x250 [ 98.032876][ T9610] __warn.cold+0x2f/0x3e [ 98.037113][ T9610] ? debug_print_object+0x168/0x250 [ 98.042305][ T9610] report_bug+0x289/0x300 [ 98.046764][ T9610] do_error_trap+0x11b/0x200 [ 98.051351][ T9610] do_invalid_op+0x37/0x50 [ 98.055759][ T9610] ? debug_print_object+0x168/0x250 [ 98.060946][ T9610] invalid_op+0x23/0x30 [ 98.065091][ T9610] RIP: 0010:debug_print_object+0x168/0x250 [ 98.070880][ T9610] 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 [ 98.090463][ T9610] RSP: 0018:ffffc900077570b0 EFLAGS: 00010286 [ 98.096516][ T9610] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 98.104480][ T9610] RDX: 0000000000000000 RSI: ffffffff815eae46 RDI: fffff52000eeae08 [ 98.112449][ T9610] RBP: ffffc900077570f0 R08: ffff8880a8382280 R09: fffffbfff16a3570 [ 98.120415][ T9610] R10: fffffbfff16a356f R11: ffffffff8b51ab7f R12: 0000000000000001 [ 98.128875][ T9610] R13: ffffffff89bac120 R14: 0000000000000000 R15: 1ffff92000eeae24 [ 98.136855][ T9610] ? vprintk_func+0x86/0x189 [ 98.141448][ T9610] debug_object_activate+0x346/0x470 [ 98.146718][ T9610] ? _raw_spin_unlock_irqrestore+0x9f/0xe0 [ 98.152516][ T9610] ? debug_object_init_on_stack+0x20/0x20 [ 98.158246][ T9610] ? mark_lock+0xc2/0x1220 [ 98.162640][ T9610] ? find_held_lock+0x35/0x130 [ 98.167410][ T9610] ? delayed_work_timer_fn+0x90/0x90 [ 98.172690][ T9610] call_rcu+0x2f/0x700 [ 98.176861][ T9610] ? trace_hardirqs_on+0x67/0x240 [ 98.181870][ T9610] queue_rcu_work+0x8a/0xa0 [ 98.186368][ T9610] ? __route4_delete_filter+0xe0/0xe0 [ 98.191730][ T9610] tcf_queue_work+0xd3/0x110 [ 98.196327][ T9610] route4_change+0x19e8/0x2250 [ 98.201080][ T9610] ? route4_destroy+0x850/0x850 [ 98.205913][ T9610] ? __kasan_check_write+0x14/0x20 [ 98.211012][ T9610] ? wait_for_completion+0x440/0x440 [ 98.216291][ T9610] ? route4_destroy+0x850/0x850 [ 98.221138][ T9610] tc_new_tfilter+0xb82/0x2480 [ 98.225911][ T9610] ? tc_del_tfilter+0x1560/0x1560 [ 98.230920][ T9610] ? __kasan_check_read+0x11/0x20 [ 98.236055][ T9610] ? __lock_acquire+0x8a0/0x4a00 [ 98.241007][ T9610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 98.247246][ T9610] ? rtnetlink_rcv_msg+0x7e3/0xaf0 [ 98.252368][ T9610] ? find_held_lock+0x35/0x130 [ 98.257579][ T9610] ? rcu_read_lock_held_common+0x130/0x130 [ 98.263385][ T9610] ? tc_del_tfilter+0x1560/0x1560 [ 98.268405][ T9610] ? __kasan_check_read+0x11/0x20 [ 98.273426][ T9610] ? tc_del_tfilter+0x1560/0x1560 [ 98.278444][ T9610] rtnetlink_rcv_msg+0x824/0xaf0 [ 98.283371][ T9610] ? rtnl_bridge_getlink+0x910/0x910 [ 98.288641][ T9610] ? lock_downgrade+0x920/0x920 [ 98.293478][ T9610] ? netlink_deliver_tap+0x226/0xbf0 [ 98.298756][ T9610] ? find_held_lock+0x35/0x130 [ 98.303519][ T9610] netlink_rcv_skb+0x177/0x450 [ 98.308264][ T9610] ? rtnl_bridge_getlink+0x910/0x910 [ 98.313531][ T9610] ? netlink_ack+0xb50/0xb50 [ 98.319316][ T9610] ? __kasan_check_read+0x11/0x20 [ 98.324906][ T9610] ? netlink_deliver_tap+0x248/0xbf0 [ 98.330181][ T9610] rtnetlink_rcv+0x1d/0x30 [ 98.334588][ T9610] netlink_unicast+0x59e/0x7e0 [ 98.339336][ T9610] ? netlink_attachskb+0x870/0x870 [ 98.344478][ T9610] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 98.350207][ T9610] ? __check_object_size+0x3d/0x437 [ 98.355629][ T9610] netlink_sendmsg+0x91c/0xea0 [ 98.360403][ T9610] ? netlink_unicast+0x7e0/0x7e0 [ 98.365356][ T9610] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 98.370894][ T9610] ? apparmor_socket_sendmsg+0x2a/0x30 [ 98.376339][ T9610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 98.382566][ T9610] ? security_socket_sendmsg+0x8d/0xc0 [ 98.388014][ T9610] ? netlink_unicast+0x7e0/0x7e0 [ 98.392941][ T9610] sock_sendmsg+0xd7/0x130 [ 98.397371][ T9610] ____sys_sendmsg+0x753/0x880 [ 98.402386][ T9610] ? kernel_sendmsg+0x50/0x50 [ 98.407059][ T9610] ? __fget_files+0x337/0x520 [ 98.411742][ T9610] ? find_held_lock+0x35/0x130 [ 98.416573][ T9610] ___sys_sendmsg+0x100/0x170 [ 98.421249][ T9610] ? sendmsg_copy_msghdr+0x70/0x70 [ 98.426576][ T9610] ? __kasan_check_read+0x11/0x20 [ 98.431698][ T9610] ? __fget_files+0x359/0x520 [ 98.436428][ T9610] ? ksys_dup3+0x3e0/0x3e0 [ 98.440969][ T9610] ? __fget_light+0x1ad/0x270 [ 98.445645][ T9610] ? __fdget+0x1b/0x20 [ 98.449720][ T9610] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 98.456197][ T9610] __sys_sendmsg+0x105/0x1d0 [ 98.460786][ T9610] ? __sys_sendmsg_sock+0xc0/0xc0 [ 98.465809][ T9610] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 98.471809][ T9610] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 98.477341][ T9610] ? do_syscall_64+0x26/0x790 [ 98.482066][ T9610] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.488130][ T9610] ? do_syscall_64+0x26/0x790 [ 98.492813][ T9610] __x64_sys_sendmsg+0x78/0xb0 [ 98.497574][ T9610] do_syscall_64+0xfa/0x790 [ 98.502088][ T9610] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.508186][ T9610] RIP: 0033:0x446709 [ 98.512224][ T9610] Code: e8 1c ba 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 0e fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 98.532212][ T9610] RSP: 002b:00007f1803eebd98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 98.540641][ T9610] RAX: ffffffffffffffda RBX: 00000000006dbc68 RCX: 0000000000446709 [ 98.548631][ T9610] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 98.556723][ T9610] RBP: 00000000006dbc60 R08: 0000000000000000 R09: 0000000000000000 [ 98.564998][ T9610] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc6c [ 98.573108][ T9610] R13: 0000000000000005 R14: 00a3a20740000000 R15: 0507002400000038 [ 98.582686][ T9610] Kernel Offset: disabled [ 98.587103][ T9610] Rebooting in 86400 seconds..