Warning: Permanently added '10.128.0.217' (ECDSA) to the list of known hosts.
2020/02/18 05:34:49 fuzzer started
2020/02/18 05:34:51 dialing manager at 10.128.0.105:39055
2020/02/18 05:34:51 syscalls: 2910
2020/02/18 05:34:51 code coverage: enabled
2020/02/18 05:34:51 comparison tracing: enabled
2020/02/18 05:34:51 extra coverage: enabled
2020/02/18 05:34:51 setuid sandbox: enabled
2020/02/18 05:34:51 namespace sandbox: enabled
2020/02/18 05:34:51 Android sandbox: /sys/fs/selinux/policy does not exist
2020/02/18 05:34:51 fault injection: enabled
2020/02/18 05:34:51 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/02/18 05:34:51 net packet injection: enabled
2020/02/18 05:34:51 net device setup: enabled
2020/02/18 05:34:51 concurrency sanitizer: enabled
2020/02/18 05:34:51 devlink PCI setup: PCI device 0000:00:10.0 is not available
syzkaller login: [   63.869092][ T7976] KCSAN: could not find function: '_find_next_bit'
[   66.445900][ T7976] KCSAN: could not find function: 'poll_schedule_timeout'
2020/02/18 05:34:57 adding functions to KCSAN blacklist: 'run_timer_softirq' 'padata_find_next' 'generic_file_read_iter' 'add_timer' 'ext4_has_free_clusters' 'shmem_file_read_iter' 'shmem_getpage_gfp' '_find_next_bit' 'find_get_pages_range_tag' 'ep_poll' '__ext4_new_inode' 'tick_sched_do_timer' 'ext4_mark_iloc_dirty' 'wbt_issue' 'atime_needs_update' 'alloc_empty_file' 'mod_timer' 'xas_clear_mark' 'ext4_nonda_switch' 'do_exit' '__rb_insert_augmented' 'copy_process' 'generic_write_end' 'generic_fillattr' '__perf_event_overflow' 'audit_log_start' 'dd_has_work' '__lru_cache_add' 'kauditd_thread' 'poll_schedule_timeout' 'pcpu_alloc' 'echo_char' 'blk_mq_get_request' 'file_update_time' 'tick_nohz_idle_stop_tick' '__filemap_fdatawrite_range' 'fsnotify' 'do_nanosleep' 'futex_wait_queue_me' 'blk_mq_sched_dispatch_requests' '__snd_rawmidi_transmit_ack' 'tomoyo_domain_quota_is_ok' 'vm_area_dup' 'ktime_get_real_seconds' 'wbt_done' 'do_signal_stop' 'blk_mq_dispatch_rq_list' 'do_syslog' 'ext4_free_inodes_count' 'glue_cbc_decrypt_req_128bit' '__add_to_page_cache_locked' 
[  247.017710][ T7960] ==================================================================
[  247.025876][ T7960] BUG: KCSAN: data-race in ktime_get_seconds / timekeeping_advance
[  247.033765][ T7960] 
[  247.036111][ T7960] write to 0xffffffff8622f2c8 of 280 bytes by interrupt on cpu 0:
[  247.043928][ T7960]  timekeeping_advance+0x88e/0xd80
[  247.049162][ T7960]  update_wall_time+0x19/0x20
[  247.053832][ T7960]  tick_do_update_jiffies64+0x1ef/0x2b0
[  247.059384][ T7960]  tick_sched_do_timer+0xd4/0xe0
[  247.064325][ T7960]  tick_sched_timer+0x43/0xe0
[  247.069264][ T7960]  __hrtimer_run_queues+0x274/0x5f0
[  247.074460][ T7960]  hrtimer_interrupt+0x22a/0x480
[  247.079392][ T7960]  smp_apic_timer_interrupt+0xdc/0x280
[  247.084843][ T7960]  apic_timer_interrupt+0xf/0x20
[  247.089859][ T7960]  kcsan_setup_watchpoint+0x22c/0x3e0
[  247.095218][ T7960]  __tsan_read4+0xc6/0x100
[  247.099623][ T7960]  receive_buf+0x178d/0x30d0
[  247.104198][ T7960]  virtnet_poll+0x436/0x7d0
[  247.108689][ T7960]  net_rx_action+0x3ae/0xa90
[  247.113307][ T7960]  __do_softirq+0x115/0x33f
[  247.117796][ T7960]  run_ksoftirqd+0x46/0x60
[  247.122675][ T7960]  smpboot_thread_fn+0x37d/0x4a0
[  247.127600][ T7960]  kthread+0x1d4/0x200
[  247.131656][ T7960]  ret_from_fork+0x1f/0x30
[  247.136059][ T7960] 
[  247.138421][ T7960] read to 0xffffffff8622f340 of 8 bytes by task 7960 on cpu 1:
[  247.145963][ T7960]  ktime_get_seconds+0x45/0x70
[  247.150728][ T7960]  tcp_rcv_established+0xeeb/0xf50
[  247.155868][ T7960]  tcp_v4_do_rcv+0x3b5/0x520
[  247.160479][ T7960]  __release_sock+0x135/0x1e0
[  247.165175][ T7960]  release_sock+0x61/0x160
[  247.169579][ T7960]  tcp_recvmsg+0x68f/0x1cc0
[  247.174070][ T7960]  inet_recvmsg+0xbb/0x250
[  247.178472][ T7960]  sock_recvmsg+0x92/0xb0
[  247.182829][ T7960]  sock_read_iter+0x17c/0x220
[  247.187493][ T7960]  new_sync_read+0x4b1/0x4f0
[  247.192155][ T7960]  __vfs_read+0xb1/0xc0
[  247.196320][ T7960]  vfs_read+0x143/0x2c0
[  247.200463][ T7960]  ksys_read+0x17b/0x1b0
[  247.204691][ T7960]  __x64_sys_read+0x4c/0x60
[  247.209185][ T7960]  do_syscall_64+0xcc/0x3a0
[  247.213885][ T7960]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  247.219758][ T7960] 
[  247.222071][ T7960] Reported by Kernel Concurrency Sanitizer on:
[  247.228249][ T7960] CPU: 1 PID: 7960 Comm: syz-fuzzer Not tainted 5.6.0-rc1-syzkaller #0
[  247.236522][ T7960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  247.246586][ T7960] ==================================================================
[  247.254634][ T7960] Kernel panic - not syncing: panic_on_warn set ...
[  247.261224][ T7960] CPU: 1 PID: 7960 Comm: syz-fuzzer Not tainted 5.6.0-rc1-syzkaller #0
[  247.269443][ T7960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  247.279515][ T7960] Call Trace:
[  247.282798][ T7960]  dump_stack+0x11d/0x181
[  247.287157][ T7960]  panic+0x210/0x640
[  247.291077][ T7960]  ? vprintk_func+0x8d/0x140
[  247.295696][ T7960]  kcsan_report.cold+0xc/0x1a
[  247.300366][ T7960]  kcsan_setup_watchpoint+0x3a3/0x3e0
[  247.305779][ T7960]  __tsan_read8+0xc6/0x100
[  247.310186][ T7960]  ktime_get_seconds+0x45/0x70
[  247.314942][ T7960]  tcp_rcv_established+0xeeb/0xf50
[  247.320056][ T7960]  ? ipv4_dst_check+0xc6/0xf0
[  247.324724][ T7960]  tcp_v4_do_rcv+0x3b5/0x520
[  247.329336][ T7960]  __release_sock+0x135/0x1e0
[  247.334022][ T7960]  release_sock+0x61/0x160
[  247.338431][ T7960]  tcp_recvmsg+0x68f/0x1cc0
[  247.342936][ T7960]  inet_recvmsg+0xbb/0x250
[  247.347346][ T7960]  ? apparmor_socket_recvmsg+0x3b/0x50
[  247.352806][ T7960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.359078][ T7960]  ? security_socket_recvmsg+0x92/0xb0
[  247.364787][ T7960]  ? inet_sendpage+0x100/0x100
[  247.369708][ T7960]  sock_recvmsg+0x92/0xb0
[  247.374035][ T7960]  sock_read_iter+0x17c/0x220
[  247.378708][ T7960]  new_sync_read+0x4b1/0x4f0
[  247.383297][ T7960]  __vfs_read+0xb1/0xc0
[  247.387447][ T7960]  vfs_read+0x143/0x2c0
[  247.391600][ T7960]  ksys_read+0x17b/0x1b0
[  247.395868][ T7960]  __x64_sys_read+0x4c/0x60
[  247.400369][ T7960]  do_syscall_64+0xcc/0x3a0
[  247.404866][ T7960]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  247.410744][ T7960] RIP: 0033:0x47c530
[  247.414671][ T7960] 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
[  247.434392][ T7960] RSP: 002b:000000c42026d810 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
[  247.442795][ T7960] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[  247.450895][ T7960] RDX: 0000000000001000 RSI: 000000c42040e000 RDI: 0000000000000003
[  247.458862][ T7960] RBP: 000000c42026d868 R08: 0000000000000000 R09: 0000000000000000
[  247.466824][ T7960] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000020
[  247.475123][ T7960] R13: ffffffffffffffff R14: 0000000000000004 R15: ffffffffffffffff
[  247.484655][ T7960] Kernel Offset: disabled
[  247.488993][ T7960] Rebooting in 86400 seconds..