[ 38.539483] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.225' (ECDSA) to the list of known hosts. [ 44.087855] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 44.203297] audit: type=1400 audit(1579899610.763:36): avc: denied { map } for pid=7255 comm="syz-executor281" path="/root/syz-executor281507476" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 44.280893] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=7258 comm=syz-executor281 [ 44.293748] netlink: 96 bytes leftover after parsing attributes in process `syz-executor281'. [ 44.303639] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=7258 comm=syz-executor281 [ 44.316352] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=7258 comm=syz-executor281 [ 44.328719] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=7258 comm=syz-executor281 [ 44.341106] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=7258 comm=syz-executor281 [ 44.353468] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=7258 comm=syz-executor281 [ 44.365660] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=7258 comm=syz-executor281 [ 44.378095] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=7258 comm=syz-executor281 [ 44.390408] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=7258 comm=syz-executor281 [ 44.402887] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=7258 comm=syz-executor281 executing program [ 44.600541] netlink: 96 bytes leftover after parsing attributes in process `syz-executor281'. [ 44.609681] ------------[ cut here ]------------ [ 44.614435] WARNING: CPU: 0 PID: 7261 at net/sched/sch_cbq.c:1428 cbq_destroy_class+0x10b/0x140 [ 44.623256] Kernel panic - not syncing: panic_on_warn set ... [ 44.623256] [ 44.630655] CPU: 0 PID: 7261 Comm: syz-executor281 Not tainted 4.14.167-syzkaller #0 [ 44.638602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.647941] Call Trace: [ 44.650542] dump_stack+0x142/0x197 [ 44.654152] panic+0x1f9/0x42d [ 44.657326] ? add_taint.cold+0x16/0x16 [ 44.661290] ? cbq_destroy_class+0x10b/0x140 [ 44.665694] ? cbq_destroy_class+0x10b/0x140 [ 44.670104] __warn.cold+0x2f/0x2f [ 44.673631] ? ist_end_non_atomic+0x10/0x10 [ 44.677940] ? cbq_destroy_class+0x10b/0x140 [ 44.682331] report_bug+0x216/0x254 [ 44.685954] do_error_trap+0x1bb/0x310 [ 44.689827] ? math_error+0x360/0x360 [ 44.693614] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 44.698707] ? debug_check_no_obj_freed+0x2aa/0x7b7 [ 44.703704] ? save_trace+0x290/0x290 [ 44.707484] ? check_preemption_disabled+0x3c/0x250 [ 44.712482] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.717340] do_invalid_op+0x1b/0x20 [ 44.721039] invalid_op+0x1b/0x40 [ 44.724488] RIP: 0010:cbq_destroy_class+0x10b/0x140 [ 44.729573] RSP: 0018:ffff88809ba77340 EFLAGS: 00010297 [ 44.734923] RAX: ffff888084ff0340 RBX: ffff8880a54a0ec0 RCX: 1ffff110109fe181 [ 44.742184] RDX: 0000000000000000 RSI: ffff8880a54a10e0 RDI: ffff8880a54a1200 [ 44.749440] RBP: ffff88809ba77350 R08: ffff888084ff0340 R09: ffff888084ff0c08 [ 44.757055] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a54a10e0 [ 44.764371] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880a54a10e0 [ 44.771644] cbq_destroy+0x1ed/0x290 [ 44.775365] ? cbq_adjust_levels.part.0+0x150/0x150 [ 44.780424] qdisc_destroy+0x148/0x320 [ 44.784355] notify_and_destroy+0xa2/0xb0 [ 44.788552] qdisc_graft+0x36f/0xd00 [ 44.792278] ? tc_dump_tclass+0x450/0x450 [ 44.796415] tc_modify_qdisc+0xa5e/0x1272 [ 44.800660] ? qdisc_create+0xe60/0xe60 [ 44.804637] ? rtnetlink_rcv_msg+0x304/0xb70 [ 44.809043] ? qdisc_create+0xe60/0xe60 [ 44.813005] rtnetlink_rcv_msg+0x3da/0xb70 [ 44.817251] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 44.821833] ? netlink_deliver_tap+0x93/0x8f0 [ 44.826322] netlink_rcv_skb+0x14f/0x3c0 [ 44.830374] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 44.834991] ? netlink_ack+0x9a0/0x9a0 [ 44.838922] ? netlink_deliver_tap+0xba/0x8f0 [ 44.843405] rtnetlink_rcv+0x1d/0x30 [ 44.847193] netlink_unicast+0x44d/0x650 [ 44.851237] ? netlink_attachskb+0x6a0/0x6a0 [ 44.855635] ? security_netlink_send+0x81/0xb0 [ 44.860205] netlink_sendmsg+0x7c4/0xc60 [ 44.864257] ? netlink_unicast+0x650/0x650 [ 44.868548] ? security_socket_sendmsg+0x89/0xb0 [ 44.873293] ? netlink_unicast+0x650/0x650 [ 44.877518] sock_sendmsg+0xce/0x110 [ 44.881218] kernel_sendmsg+0x44/0x50 [ 44.885031] sock_no_sendpage+0x107/0x130 [ 44.889178] ? sock_kzfree_s+0x50/0x50 [ 44.893061] ? pipe_lock+0x63/0x80 [ 44.896590] kernel_sendpage+0x92/0xf0 [ 44.900459] ? sock_kzfree_s+0x50/0x50 [ 44.904330] sock_sendpage+0x8b/0xc0 [ 44.908035] ? kernel_sendpage+0xf0/0xf0 [ 44.912098] pipe_to_sendpage+0x242/0x340 [ 44.916242] ? direct_splice_actor+0x190/0x190 [ 44.920823] __splice_from_pipe+0x348/0x780 [ 44.925138] ? direct_splice_actor+0x190/0x190 [ 44.929751] ? direct_splice_actor+0x190/0x190 [ 44.934331] splice_from_pipe+0xf0/0x150 [ 44.938378] ? splice_shrink_spd+0xb0/0xb0 [ 44.942608] ? security_file_permission+0x89/0x1f0 [ 44.947522] generic_splice_sendpage+0x3c/0x50 [ 44.952089] ? splice_from_pipe+0x150/0x150 [ 44.956502] SyS_splice+0xd92/0x1430 [ 44.960216] ? finish_task_switch+0x178/0x650 [ 44.964718] ? check_preemption_disabled+0x3c/0x250 [ 44.969725] ? compat_SyS_vmsplice+0x250/0x250 [ 44.974346] ? do_syscall_64+0x53/0x640 [ 44.978419] ? compat_SyS_vmsplice+0x250/0x250 [ 44.982990] do_syscall_64+0x1e8/0x640 [ 44.986871] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.991705] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 44.996897] RIP: 0033:0x446e79 [ 45.000072] RSP: 002b:00007f54f839bd88 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 [ 45.007769] RAX: ffffffffffffffda RBX: 00000000006dcc98 RCX: 0000000000446e79 [ 45.015073] RDX: 0000000000000009 RSI: 0000000000000000 RDI: 0000000000000007 [ 45.022338] RBP: 00000000006dcc90 R08: 000000000004ffe0 R09: 0000000000000000 [ 45.030119] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc9c [ 45.037388] R13: 00000000004aed8e R14: 54c6c2ff093a6d32 R15: 0000000000010000 [ 45.046308] Kernel Offset: disabled [ 45.050005] Rebooting in 86400 seconds..