Warning: Permanently added '10.128.0.123' (ECDSA) to the list of known hosts. 2019/11/16 22:17:59 fuzzer started 2019/11/16 22:18:01 dialing manager at 10.128.0.105:34521 2019/11/16 22:18:01 syscalls: 2566 2019/11/16 22:18:01 code coverage: enabled 2019/11/16 22:18:01 comparison tracing: enabled 2019/11/16 22:18:01 extra coverage: extra coverage is not supported by the kernel 2019/11/16 22:18:01 setuid sandbox: enabled 2019/11/16 22:18:01 namespace sandbox: enabled 2019/11/16 22:18:01 Android sandbox: /sys/fs/selinux/policy does not exist 2019/11/16 22:18:01 fault injection: enabled 2019/11/16 22:18:01 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/11/16 22:18:01 net packet injection: enabled 2019/11/16 22:18:01 net device setup: enabled 2019/11/16 22:18:01 concurrency sanitizer: enabled 2019/11/16 22:18:01 devlink PCI setup: PCI device 0000:00:10.0 is not available [ 57.911851][ T7678] KCSAN: could not find function: 'poll_schedule_timeout' 2019/11/16 22:18:20 adding functions to KCSAN blacklist: 'ext4_has_free_clusters' 'taskstats_exit' 'vm_area_dup' 'futex_wait_queue_me' 'rcu_gp_fqs_loop' 'br_handle_frame_finish' 'run_timer_softirq' 'blk_mq_sched_dispatch_requests' 'atime_needs_update' 'do_signal_stop' 'ext4_free_inodes_count' 'do_wait' '__dev_queue_xmit' 'ext4_mb_find_by_goal' '__neigh_event_send' 'ipip_tunnel_xmit' 'pipe_wait' 'poll_schedule_timeout' 'generic_file_read_iter' 'p9_poll_workfn' 'sctp_assoc_migrate' 'lruvec_lru_size' 'inode_permission' 'wbt_done' 'fprop_fraction_percpu' 'shmem_add_to_page_cache' 'tcp_add_backlog' 'kauditd_thread' '__skb_try_recv_from_queue' 'commit_echoes' '__hrtimer_run_queues' 'mod_timer' 'inactive_list_is_low' 'blk_mq_get_request' 'do_readlinkat' 'ip_tunnel_xmit' '__ext4_new_inode' 'add_timer' 'pcpu_alloc' 'blk_mq_dispatch_rq_list' 'filemap_map_pages' '__snd_rawmidi_transmit_ack' 'sit_tunnel_xmit' 'do_nanosleep' 'find_get_pages_range_tag' 'timer_clear_idle' '__perf_event_overflow' 'kcm_ioctl' 'n_tty_receive_buf_common' '__lru_cache_add' 'ext4_writepages' 'virtqueue_disable_cb' 'common_perm_cond' '__rb_insert_augmented' 'mm_update_next_owner' 'echo_char' 'snd_seq_check_queue' 'xprt_connect' 'pipe_poll' 'ep_poll' 'ext4_ext_insert_extent' 'yama_ptracer_del' 'pipe_double_lock' 'xas_clear_mark' 'rcu_gp_fqs_check_wake' 'generic_fillattr' 'do_exit' 'l2tp_tunnel_del_work' 'copy_process' 'ext4_free_inode' 'list_lru_count_one' 'vti_tunnel_xmit' '__find_get_block' 'generic_write_end' '__rb_erase_color' '__process_echoes' '__blk_queue_split' 'kvm_mmu_notifier_invalidate_range_end' 'find_next_bit' '__add_to_page_cache_locked' 'tomoyo_supervisor' '__delete_from_page_cache' 'dd_has_work' 'd_delete' 'balance_dirty_pages' 'snd_seq_prioq_cell_out' 'ext4_nonda_switch' 'tick_do_update_jiffies64' 'mem_cgroup_select_victim_node' 'wbt_issue' 'xas_find_marked' 'ext4_mark_iloc_dirty' '__get_user_pages' '__put_unused_fd' 'tick_sched_do_timer' 'ext4_da_write_end' 'tick_nohz_idle_stop_tick' 'blk_mq_run_hw_queue' 'ktime_get_real_seconds' 'page_counter_try_charge' 'tick_nohz_next_event' 'pid_update_inode' 'do_syslog' 'wbc_detach_inode' 'relay_switch_subbuf' 'ptrace_check_attach' 'process_srcu' 'audit_log_start' '__mark_inode_dirty' [ 308.030267][ T7667] ================================================================== [ 308.038580][ T7667] BUG: KCSAN: data-race in ktime_get_seconds / timekeeping_advance [ 308.046580][ T7667] [ 308.048900][ T7667] write to 0xffffffff8603bb08 of 280 bytes by interrupt on cpu 1: [ 308.056706][ T7667] timekeeping_advance+0x88e/0xd80 [ 308.061820][ T7667] update_wall_time+0x19/0x20 [ 308.066486][ T7667] tick_do_update_jiffies64+0x1a4/0x250 [ 308.072013][ T7667] tick_sched_do_timer+0xd4/0xe0 [ 308.076949][ T7667] tick_sched_timer+0x43/0xe0 [ 308.081607][ T7667] __hrtimer_run_queues+0x274/0x5f0 [ 308.086792][ T7667] hrtimer_interrupt+0x22a/0x480 [ 308.091715][ T7667] smp_apic_timer_interrupt+0xdc/0x280 [ 308.097154][ T7667] apic_timer_interrupt+0xf/0x20 [ 308.102076][ T7667] __tsan_read4+0x31/0x100 [ 308.106491][ T7667] nf_conntrack_tcp_packet+0x87/0x3390 [ 308.111930][ T7667] nf_conntrack_in+0x410/0xa80 [ 308.116677][ T7667] ipv4_conntrack_in+0x27/0x40 [ 308.121421][ T7667] nf_hook_slow+0x83/0x160 [ 308.125832][ T7667] ip_rcv+0x12f/0x1a0 [ 308.129896][ T7667] __netif_receive_skb_one_core+0xa7/0xe0 [ 308.135597][ T7667] __netif_receive_skb+0x37/0xf0 [ 308.140532][ T7667] netif_receive_skb_internal+0x59/0x190 [ 308.146232][ T7667] napi_gro_receive+0x28f/0x330 [ 308.151067][ T7667] receive_buf+0x284/0x30b0 [ 308.155625][ T7667] virtnet_poll+0x436/0x7d0 [ 308.160139][ T7667] net_rx_action+0x3ae/0xa90 [ 308.164755][ T7667] __do_softirq+0x115/0x33f [ 308.169254][ T7667] run_ksoftirqd+0x46/0x60 [ 308.173841][ T7667] smpboot_thread_fn+0x37d/0x4a0 [ 308.178797][ T7667] kthread+0x1d4/0x200 [ 308.182864][ T7667] ret_from_fork+0x1f/0x30 [ 308.187785][ T7667] [ 308.190112][ T7667] read to 0xffffffff8603bb80 of 8 bytes by task 7667 on cpu 0: [ 308.197657][ T7667] ktime_get_seconds+0x45/0x70 [ 308.202463][ T7667] tcp_rcv_established+0xeeb/0xf50 [ 308.207573][ T7667] tcp_v4_do_rcv+0x3b5/0x520 [ 308.212351][ T7667] __release_sock+0x135/0x1e0 [ 308.222117][ T7667] release_sock+0x61/0x160 [ 308.226541][ T7667] tcp_recvmsg+0x653/0x1b40 [ 308.231035][ T7667] inet_recvmsg+0xbb/0x250 [ 308.235455][ T7667] sock_recvmsg+0x92/0xb0 [ 308.239771][ T7667] sock_read_iter+0x15f/0x1e0 [ 308.244426][ T7667] new_sync_read+0x389/0x4f0 [ 308.249001][ T7667] __vfs_read+0xb1/0xc0 [ 308.253154][ T7667] vfs_read+0x143/0x2c0 [ 308.257305][ T7667] ksys_read+0xd5/0x1b0 [ 308.261527][ T7667] __x64_sys_read+0x4c/0x60 [ 308.266284][ T7667] do_syscall_64+0xcc/0x370 [ 308.270774][ T7667] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 308.276640][ T7667] [ 308.278956][ T7667] Reported by Kernel Concurrency Sanitizer on: [ 308.285105][ T7667] CPU: 0 PID: 7667 Comm: syz-fuzzer Not tainted 5.4.0-rc7+ #0 [ 308.292538][ T7667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 308.302746][ T7667] ================================================================== [ 308.310813][ T7667] Kernel panic - not syncing: panic_on_warn set ... [ 308.317391][ T7667] CPU: 0 PID: 7667 Comm: syz-fuzzer Not tainted 5.4.0-rc7+ #0 [ 308.324952][ T7667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 308.335000][ T7667] Call Trace: [ 308.338291][ T7667] dump_stack+0x11d/0x181 [ 308.342615][ T7667] panic+0x210/0x640 [ 308.346508][ T7667] ? vprintk_func+0x8d/0x140 [ 308.351102][ T7667] kcsan_report.cold+0xc/0xd [ 308.355706][ T7667] kcsan_setup_watchpoint+0x3fe/0x460 [ 308.361065][ T7667] __tsan_read8+0xc6/0x100 [ 308.365478][ T7667] ktime_get_seconds+0x45/0x70 [ 308.370330][ T7667] tcp_rcv_established+0xeeb/0xf50 [ 308.375432][ T7667] ? ipv4_dst_check+0xc6/0xf0 [ 308.380102][ T7667] tcp_v4_do_rcv+0x3b5/0x520 [ 308.384680][ T7667] __release_sock+0x135/0x1e0 [ 308.389350][ T7667] release_sock+0x61/0x160 [ 308.393787][ T7667] tcp_recvmsg+0x653/0x1b40 [ 308.398293][ T7667] inet_recvmsg+0xbb/0x250 [ 308.402704][ T7667] ? apparmor_socket_recvmsg+0x3b/0x50 [ 308.408164][ T7667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.414393][ T7667] ? security_socket_recvmsg+0x92/0xb0 [ 308.419839][ T7667] ? inet_sendpage+0x100/0x100 [ 308.424584][ T7667] sock_recvmsg+0x92/0xb0 [ 308.428911][ T7667] sock_read_iter+0x15f/0x1e0 [ 308.433584][ T7667] new_sync_read+0x389/0x4f0 [ 308.438163][ T7667] __vfs_read+0xb1/0xc0 [ 308.442324][ T7667] vfs_read+0x143/0x2c0 [ 308.446465][ T7667] ksys_read+0xd5/0x1b0 [ 308.450603][ T7667] __x64_sys_read+0x4c/0x60 [ 308.455092][ T7667] do_syscall_64+0xcc/0x370 [ 308.459589][ T7667] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 308.465648][ T7667] RIP: 0033:0x47c530 [ 308.469606][ T7667] Code: 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 49 c7 c2 00 00 00 00 49 c7 c0 00 00 00 00 49 c7 c1 00 00 00 00 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30 [ 308.489387][ T7667] RSP: 002b:000000c4202c37d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 308.497802][ T7667] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530 [ 308.505764][ T7667] RDX: 0000000000001000 RSI: 000000c42009a000 RDI: 0000000000000003 [ 308.513765][ T7667] RBP: 000000c4202c3830 R08: 0000000000000000 R09: 0000000000000000 [ 308.521724][ T7667] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000010 [ 308.529696][ T7667] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff [ 308.539953][ T7667] Kernel Offset: disabled [ 308.544296][ T7667] Rebooting in 86400 seconds..