Warning: Permanently added '10.128.0.114' (ECDSA) to the list of known hosts. 2019/11/05 15:40:25 fuzzer started 2019/11/05 15:40:27 dialing manager at 10.128.0.105:43787 2019/11/05 15:40:29 syscalls: 2553 2019/11/05 15:40:29 code coverage: enabled 2019/11/05 15:40:29 comparison tracing: enabled 2019/11/05 15:40:29 extra coverage: extra coverage is not supported by the kernel 2019/11/05 15:40:29 setuid sandbox: enabled 2019/11/05 15:40:29 namespace sandbox: enabled 2019/11/05 15:40:29 Android sandbox: /sys/fs/selinux/policy does not exist 2019/11/05 15:40:29 fault injection: enabled 2019/11/05 15:40:29 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/11/05 15:40:29 net packet injection: enabled 2019/11/05 15:40:29 net device setup: enabled 2019/11/05 15:40:29 concurrency sanitizer: enabled 2019/11/05 15:40:29 devlink PCI setup: PCI device 0000:00:10.0 is not available syzkaller login: [ 77.260903][ T7951] KCSAN: could not find function: 'poll_schedule_timeout' 2019/11/05 15:40:35 adding functions to KCSAN blacklist: '__ext4_new_inode' 'fsnotify' 'inet_putpeer' 'atime_needs_update' 'tick_do_update_jiffies64' 'get_task_cred' 'ktime_get_real_seconds' 'wbt_done' 'alloc_empty_file' 'task_dump_owner' 'exit_signals' 'generic_fillattr' 'ext4_has_free_clusters' 'pid_update_inode' 'tcp_add_backlog' 'find_next_bit' 'generic_write_end' 'rcu_gp_fqs_loop' 'do_readlinkat' 'do_nanosleep' 'blk_mq_dispatch_rq_list' 'tick_nohz_idle_stop_tick' 'add_timer' '__hrtimer_run_queues' 'osq_lock' 'pipe_poll' 'vm_area_dup' 'ep_poll' 'rcu_gp_fqs_check_wake' 'echo_char' 'tick_sched_do_timer' 'xas_clear_mark' 'poll_schedule_timeout' 'ext4_nonda_switch' 'generic_permission' 'blk_mq_sched_dispatch_requests' 'ext4_free_inode' 'run_timer_softirq' 'taskstats_exit' 'ext4_free_inodes_count' 'process_srcu' 'kauditd_thread' 'tomoyo_supervisor' 'pipe_wait' 'mod_timer' 'blk_mq_get_request' 'n_tty_receive_buf_common' [ 115.530406][ T7941] ================================================================== [ 115.538565][ T7941] BUG: KCSAN: data-race in ktime_get_seconds / timekeeping_advance [ 115.546451][ T7941] [ 115.548792][ T7941] write to 0xffffffff86041b08 of 280 bytes by interrupt on cpu 1: [ 115.556605][ T7941] timekeeping_advance+0x88e/0xd80 [ 115.561726][ T7941] update_wall_time+0x19/0x20 [ 115.566416][ T7941] tick_do_update_jiffies64+0x1a4/0x250 [ 115.571970][ T7941] tick_sched_do_timer+0xd4/0xe0 [ 115.576918][ T7941] tick_sched_timer+0x43/0xe0 [ 115.581597][ T7941] __hrtimer_run_queues+0x274/0x5f0 [ 115.586804][ T7941] hrtimer_interrupt+0x22a/0x480 [ 115.591756][ T7941] smp_apic_timer_interrupt+0xdc/0x280 [ 115.597227][ T7941] apic_timer_interrupt+0xf/0x20 [ 115.602169][ T7941] virtqueue_get_buf_ctx+0x497/0x5c0 [ 115.607462][ T7941] virtnet_poll+0x493/0x7d0 [ 115.611976][ T7941] net_rx_action+0x3ae/0xa90 [ 115.616577][ T7941] __do_softirq+0x115/0x33f [ 115.621079][ T7941] run_ksoftirqd+0x46/0x60 [ 115.625484][ T7941] smpboot_thread_fn+0x37d/0x4a0 [ 115.630405][ T7941] kthread+0x1d4/0x200 [ 115.634458][ T7941] ret_from_fork+0x1f/0x30 [ 115.638886][ T7941] [ 115.641236][ T7941] read to 0xffffffff86041b80 of 8 bytes by task 7941 on cpu 0: [ 115.648777][ T7941] ktime_get_seconds+0x45/0x70 [ 115.653532][ T7941] tcp_rcv_established+0xeeb/0xf50 [ 115.658633][ T7941] tcp_v4_do_rcv+0x3b5/0x520 [ 115.663207][ T7941] __release_sock+0x135/0x1e0 [ 115.667869][ T7941] release_sock+0x61/0x160 [ 115.672264][ T7941] tcp_recvmsg+0x653/0x1b40 [ 115.676782][ T7941] inet_recvmsg+0xbb/0x250 [ 115.681180][ T7941] sock_recvmsg+0x92/0xb0 [ 115.685492][ T7941] sock_read_iter+0x15f/0x1e0 [ 115.690151][ T7941] new_sync_read+0x389/0x4f0 [ 115.694721][ T7941] __vfs_read+0xb1/0xc0 [ 115.698854][ T7941] vfs_read+0x143/0x2c0 [ 115.703028][ T7941] ksys_read+0xd5/0x1b0 [ 115.707166][ T7941] __x64_sys_read+0x4c/0x60 [ 115.711668][ T7941] do_syscall_64+0xcc/0x370 [ 115.716150][ T7941] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 115.722015][ T7941] [ 115.724317][ T7941] Reported by Kernel Concurrency Sanitizer on: [ 115.730450][ T7941] CPU: 0 PID: 7941 Comm: syz-fuzzer Not tainted 5.4.0-rc6+ #0 [ 115.737879][ T7941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 115.747922][ T7941] ================================================================== [ 115.755969][ T7941] Kernel panic - not syncing: panic_on_warn set ... [ 115.762539][ T7941] CPU: 0 PID: 7941 Comm: syz-fuzzer Not tainted 5.4.0-rc6+ #0 [ 115.769985][ T7941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 115.780017][ T7941] Call Trace: [ 115.783303][ T7941] dump_stack+0xf5/0x159 [ 115.787534][ T7941] panic+0x210/0x640 [ 115.791416][ T7941] ? vprintk_func+0x8d/0x140 [ 115.795990][ T7941] kcsan_report.cold+0xc/0xe [ 115.800569][ T7941] kcsan_setup_watchpoint+0x3fe/0x410 [ 115.805922][ T7941] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 115.811640][ T7941] __tsan_read8+0x145/0x1f0 [ 115.816127][ T7941] ktime_get_seconds+0x45/0x70 [ 115.820875][ T7941] tcp_rcv_established+0xeeb/0xf50 [ 115.825984][ T7941] ? ipv4_dst_check+0xc6/0xf0 [ 115.830647][ T7941] tcp_v4_do_rcv+0x3b5/0x520 [ 115.835223][ T7941] __release_sock+0x135/0x1e0 [ 115.839884][ T7941] release_sock+0x61/0x160 [ 115.844285][ T7941] tcp_recvmsg+0x653/0x1b40 [ 115.848782][ T7941] inet_recvmsg+0xbb/0x250 [ 115.853182][ T7941] ? apparmor_socket_recvmsg+0x3b/0x50 [ 115.858629][ T7941] ? security_socket_recvmsg+0x92/0xb0 [ 115.864071][ T7941] ? inet_sendpage+0x100/0x100 [ 115.868821][ T7941] sock_recvmsg+0x92/0xb0 [ 115.873146][ T7941] sock_read_iter+0x15f/0x1e0 [ 115.877812][ T7941] new_sync_read+0x389/0x4f0 [ 115.882395][ T7941] __vfs_read+0xb1/0xc0 [ 115.886545][ T7941] vfs_read+0x143/0x2c0 [ 115.890691][ T7941] ksys_read+0xd5/0x1b0 [ 115.894833][ T7941] __x64_sys_read+0x4c/0x60 [ 115.899320][ T7941] do_syscall_64+0xcc/0x370 [ 115.903812][ T7941] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 115.909693][ T7941] RIP: 0033:0x47c530 [ 115.913576][ T7941] 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 [ 115.933158][ T7941] RSP: 002b:000000c4204eb7d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 115.941562][ T7941] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530 [ 115.949526][ T7941] RDX: 0000000000001000 RSI: 000000c420244000 RDI: 0000000000000003 [ 115.957484][ T7941] RBP: 000000c4204eb830 R08: 0000000000000000 R09: 0000000000000000 [ 115.965445][ T7941] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000008 [ 115.973396][ T7941] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff [ 115.982654][ T7941] Kernel Offset: disabled [ 115.986979][ T7941] Rebooting in 86400 seconds..