[ 73.271720][ T23] audit: type=1800 audit(1583412446.731:25): pid=9462 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 73.291665][ T23] audit: type=1800 audit(1583412446.731:26): pid=9462 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 73.331152][ T23] audit: type=1800 audit(1583412446.731:27): pid=9462 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 73.750329][ T9527] sshd (9527) used greatest stack depth: 22824 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.47' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 84.825114][ T9615] IPVS: ftp: loaded support on port[0] = 21 [ 84.864894][ T9616] ------------[ cut here ]------------ [ 84.870855][ T9616] ODEBUG: activate active (active state 1) object type: rcu_head hint: 0x0 [ 84.881153][ T9616] WARNING: CPU: 1 PID: 9616 at lib/debugobjects.c:485 debug_print_object+0x168/0x250 [ 84.890611][ T9616] Kernel panic - not syncing: panic_on_warn set ... [ 84.897205][ T9616] CPU: 1 PID: 9616 Comm: syz-executor185 Not tainted 5.6.0-rc2-syzkaller #0 [ 84.905872][ T9616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.915935][ T9616] Call Trace: [ 84.919252][ T9616] dump_stack+0x197/0x210 [ 84.923598][ T9616] ? debug_print_object+0x160/0x250 [ 84.928778][ T9616] panic+0x2e3/0x75c [ 84.932659][ T9616] ? add_taint.cold+0x16/0x16 [ 84.937324][ T9616] ? __kasan_check_write+0x14/0x20 [ 84.942431][ T9616] ? __warn.cold+0x14/0x3e [ 84.946936][ T9616] ? __warn+0xd9/0x1cf [ 84.951011][ T9616] ? debug_print_object+0x168/0x250 [ 84.956195][ T9616] __warn.cold+0x2f/0x3e [ 84.960441][ T9616] ? debug_print_object+0x168/0x250 [ 84.965642][ T9616] report_bug+0x289/0x300 [ 84.970009][ T9616] do_error_trap+0x11b/0x200 [ 84.974631][ T9616] do_invalid_op+0x37/0x50 [ 84.979032][ T9616] ? debug_print_object+0x168/0x250 [ 84.984223][ T9616] invalid_op+0x23/0x30 [ 84.988361][ T9616] RIP: 0010:debug_print_object+0x168/0x250 [ 84.994146][ T9616] Code: dd c0 e2 91 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 8b 14 dd c0 e2 91 88 48 c7 c7 20 d8 91 88 e8 e7 a9 9f fd <0f> 0b 83 05 e3 c4 ff 06 01 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3 [ 85.013734][ T9616] RSP: 0018:ffffc900022f70b0 EFLAGS: 00010286 [ 85.019801][ T9616] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 85.027752][ T9616] RDX: 0000000000000000 RSI: ffffffff815eae46 RDI: fffff5200045ee08 [ 85.035807][ T9616] RBP: ffffc900022f70f0 R08: ffff88809072a500 R09: ffffed1015d26659 [ 85.043767][ T9616] R10: ffffed1015d26658 R11: ffff8880ae9332c7 R12: 0000000000000001 [ 85.051722][ T9616] R13: ffffffff89bac120 R14: 0000000000000000 R15: 1ffff9200045ee24 [ 85.059698][ T9616] ? vprintk_func+0x86/0x189 [ 85.064279][ T9616] debug_object_activate+0x346/0x470 [ 85.069547][ T9616] ? _raw_spin_unlock_irqrestore+0x9f/0xe0 [ 85.075340][ T9616] ? debug_object_init_on_stack+0x20/0x20 [ 85.081102][ T9616] ? mark_lock+0xc2/0x1220 [ 85.085510][ T9616] ? find_held_lock+0x35/0x130 [ 85.090287][ T9616] ? delayed_work_timer_fn+0x90/0x90 [ 85.095569][ T9616] call_rcu+0x2f/0x700 [ 85.099630][ T9616] ? trace_hardirqs_on+0x67/0x240 [ 85.104639][ T9616] queue_rcu_work+0x8a/0xa0 [ 85.109162][ T9616] ? __route4_delete_filter+0xe0/0xe0 [ 85.114551][ T9616] tcf_queue_work+0xd3/0x110 [ 85.119149][ T9616] route4_change+0x19e8/0x2250 [ 85.123910][ T9616] ? route4_destroy+0x850/0x850 [ 85.128740][ T9616] ? __kasan_check_write+0x14/0x20 [ 85.133838][ T9616] ? wait_for_completion+0x440/0x440 [ 85.139116][ T9616] ? route4_destroy+0x850/0x850 [ 85.143966][ T9616] tc_new_tfilter+0xb82/0x2480 [ 85.148725][ T9616] ? tc_del_tfilter+0x1560/0x1560 [ 85.153732][ T9616] ? __kasan_check_read+0x11/0x20 [ 85.158747][ T9616] ? __lock_acquire+0x8a0/0x4a00 [ 85.163678][ T9616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.169909][ T9616] ? rtnetlink_rcv_msg+0x7e3/0xaf0 [ 85.175002][ T9616] ? find_held_lock+0x35/0x130 [ 85.179769][ T9616] ? rcu_read_lock_held_common+0x130/0x130 [ 85.185569][ T9616] ? tc_del_tfilter+0x1560/0x1560 [ 85.190579][ T9616] ? __kasan_check_read+0x11/0x20 [ 85.195593][ T9616] ? tc_del_tfilter+0x1560/0x1560 [ 85.200650][ T9616] rtnetlink_rcv_msg+0x824/0xaf0 [ 85.205573][ T9616] ? rtnl_bridge_getlink+0x910/0x910 [ 85.210843][ T9616] ? lock_downgrade+0x920/0x920 [ 85.215687][ T9616] ? netlink_deliver_tap+0x226/0xbf0 [ 85.220958][ T9616] ? find_held_lock+0x35/0x130 [ 85.225707][ T9616] netlink_rcv_skb+0x177/0x450 [ 85.230461][ T9616] ? rtnl_bridge_getlink+0x910/0x910 [ 85.235825][ T9616] ? netlink_ack+0xb50/0xb50 [ 85.240410][ T9616] ? __kasan_check_read+0x11/0x20 [ 85.245429][ T9616] ? netlink_deliver_tap+0x248/0xbf0 [ 85.250736][ T9616] rtnetlink_rcv+0x1d/0x30 [ 85.255142][ T9616] netlink_unicast+0x59e/0x7e0 [ 85.259906][ T9616] ? netlink_attachskb+0x870/0x870 [ 85.265011][ T9616] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 85.270716][ T9616] ? __check_object_size+0x3d/0x437 [ 85.275971][ T9616] netlink_sendmsg+0x91c/0xea0 [ 85.280741][ T9616] ? netlink_unicast+0x7e0/0x7e0 [ 85.285666][ T9616] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 85.291202][ T9616] ? apparmor_socket_sendmsg+0x2a/0x30 [ 85.296684][ T9616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.302920][ T9616] ? security_socket_sendmsg+0x8d/0xc0 [ 85.308370][ T9616] ? netlink_unicast+0x7e0/0x7e0 [ 85.313337][ T9616] sock_sendmsg+0xd7/0x130 [ 85.317749][ T9616] ____sys_sendmsg+0x753/0x880 [ 85.322548][ T9616] ? kernel_sendmsg+0x50/0x50 [ 85.327210][ T9616] ? __fget_files+0x337/0x520 [ 85.331909][ T9616] ? find_held_lock+0x35/0x130 [ 85.336722][ T9616] ___sys_sendmsg+0x100/0x170 [ 85.341426][ T9616] ? sendmsg_copy_msghdr+0x70/0x70 [ 85.346546][ T9616] ? __kasan_check_read+0x11/0x20 [ 85.351565][ T9616] ? __fget_files+0x359/0x520 [ 85.356283][ T9616] ? ksys_dup3+0x3e0/0x3e0 [ 85.360700][ T9616] ? __fget_light+0x1ad/0x270 [ 85.365370][ T9616] ? __fdget+0x1b/0x20 [ 85.369426][ T9616] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 85.375660][ T9616] __sys_sendmsg+0x105/0x1d0 [ 85.380278][ T9616] ? __sys_sendmsg_sock+0xc0/0xc0 [ 85.385289][ T9616] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 85.391262][ T9616] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 85.396704][ T9616] ? do_syscall_64+0x26/0x790 [ 85.401363][ T9616] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.407412][ T9616] ? do_syscall_64+0x26/0x790 [ 85.412085][ T9616] __x64_sys_sendmsg+0x78/0xb0 [ 85.416837][ T9616] do_syscall_64+0xfa/0x790 [ 85.421330][ T9616] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.427202][ T9616] RIP: 0033:0x446fa9 [ 85.431088][ T9616] 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 [ 85.450680][ T9616] RSP: 002b:00007f7c91169d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 85.459075][ T9616] RAX: ffffffffffffffda RBX: 00000000006dcc68 RCX: 0000000000446fa9 [ 85.467036][ T9616] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 85.475004][ T9616] RBP: 00000000006dcc60 R08: 0000000000000000 R09: 0000000000000000 [ 85.482954][ T9616] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc6c [ 85.490907][ T9616] R13: 0000000000000005 R14: 00a3a20740000000 R15: 0507002400000038 [ 85.500109][ T9616] Kernel Offset: disabled [ 85.504496][ T9616] Rebooting in 86400 seconds..