Warning: Permanently added '10.128.0.153' (ECDSA) to the list of known hosts.
2020/05/11 09:35:45 fuzzer started
2020/05/11 09:35:46 dialing manager at 10.128.0.105:42089
2020/05/11 09:35:46 syscalls: 3055
2020/05/11 09:35:46 code coverage: enabled
2020/05/11 09:35:46 comparison tracing: enabled
2020/05/11 09:35:46 extra coverage: enabled
2020/05/11 09:35:46 setuid sandbox: enabled
2020/05/11 09:35:46 namespace sandbox: enabled
2020/05/11 09:35:46 Android sandbox: /sys/fs/selinux/policy does not exist
2020/05/11 09:35:46 fault injection: enabled
2020/05/11 09:35:46 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/05/11 09:35:46 net packet injection: enabled
2020/05/11 09:35:46 net device setup: enabled
2020/05/11 09:35:46 concurrency sanitizer: enabled
2020/05/11 09:35:46 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/05/11 09:35:46 USB emulation: enabled
syzkaller login: [   50.524720][ T8902] KCSAN: could not find function: '_find_next_bit'
[   53.087915][ T8902] KCSAN: could not find function: 'poll_schedule_timeout'
2020/05/11 09:35:50 adding functions to KCSAN blacklist: 'alloc_pid' 'copy_process' 'atime_needs_update' 'kauditd_thread' 'commit_echoes' 'find_get_pages_range_tag' 'ep_poll' 'shmem_file_read_iter' 'dd_has_work' 'ext4_setattr' 'run_timer_softirq' 'do_exit' '_find_next_bit' '__ext4_new_inode' 'blk_mq_sched_dispatch_requests' 'xas_clear_mark' 'add_timer' 'tick_nohz_idle_stop_tick' 'tick_sched_do_timer' 'do_syslog' 'generic_fillattr' 'page_counter_charge' 'blk_mq_dispatch_rq_list' 'echo_char' 'do_nanosleep' 'wbt_done' 'blk_mq_get_request' 'poll_schedule_timeout' 'generic_write_end' 'mod_timer' 'pcpu_alloc' 'blk_mq_request_bypass_insert' 'do_wait' 'exit_signals' 
[  156.986877][ T8903] ==================================================================
[  156.995024][ T8903] BUG: KCSAN: data-race in ktime_get_seconds / timekeeping_advance
[  157.002895][ T8903] 
[  157.005219][ T8903] write to 0xffffffff88ae90c8 of 280 bytes by interrupt on cpu 1:
[  157.013016][ T8903]  timekeeping_advance+0x88e/0xd80
[  157.018125][ T8903]  update_wall_time+0x15/0x20
[  157.022803][ T8903]  tick_do_update_jiffies64+0x1e5/0x2a0
[  157.028349][ T8903]  tick_sched_do_timer+0xc7/0xd0
[  157.033371][ T8903]  tick_sched_timer+0x3f/0xd0
[  157.038038][ T8903]  __hrtimer_run_queues+0x271/0x600
[  157.043230][ T8903]  hrtimer_interrupt+0x226/0x490
[  157.048161][ T8903]  smp_apic_timer_interrupt+0xd8/0x270
[  157.053605][ T8903]  apic_timer_interrupt+0xf/0x20
[  157.058520][ T8903]  __tsan_unaligned_write2+0x33/0x110
[  157.064227][ T8903]  __build_skb_around+0x115/0x1b0
[  157.069225][ T8903]  __build_skb+0x5f/0x80
[  157.073479][ T8903]  __napi_alloc_skb+0x185/0x210
[  157.078304][ T8903]  page_to_skb+0x99/0x5f0
[  157.082607][ T8903]  receive_buf+0x1af3/0x3420
[  157.087172][ T8903]  virtnet_poll+0x343/0x790
[  157.091695][ T8903]  net_rx_action+0x3ad/0xac0
[  157.096310][ T8903]  __do_softirq+0x118/0x34a
[  157.100827][ T8903]  run_ksoftirqd+0x41/0x60
[  157.105228][ T8903]  smpboot_thread_fn+0x374/0x4a0
[  157.110138][ T8903]  kthread+0x203/0x230
[  157.114182][ T8903]  ret_from_fork+0x1f/0x30
[  157.118563][ T8903] 
[  157.120868][ T8903] read to 0xffffffff88ae9140 of 8 bytes by task 8903 on cpu 0:
[  157.128385][ T8903]  ktime_get_seconds+0x42/0x60
[  157.133140][ T8903]  tcp_rcv_established+0xe79/0xee0
[  157.138222][ T8903]  tcp_v4_do_rcv+0x396/0x4f0
[  157.142803][ T8903]  __release_sock+0x130/0x1e0
[  157.147455][ T8903]  release_sock+0x5e/0x160
[  157.151847][ T8903]  tcp_recvmsg+0x68e/0x1ba0
[  157.156326][ T8903]  inet_recvmsg+0xc1/0x250
[  157.160741][ T8903]  sock_recvmsg+0x8e/0xb0
[  157.165055][ T8903]  sock_read_iter+0x185/0x230
[  157.169719][ T8903]  new_sync_read+0x416/0x450
[  157.174281][ T8903]  __vfs_read+0x9e/0xb0
[  157.178426][ T8903]  vfs_read+0x13e/0x2b0
[  157.182551][ T8903]  ksys_read+0x16a/0x1a0
[  157.186792][ T8903]  __x64_sys_read+0x49/0x60
[  157.191275][ T8903]  do_syscall_64+0xc7/0x3b0
[  157.195776][ T8903]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  157.201745][ T8903] 
[  157.204046][ T8903] Reported by Kernel Concurrency Sanitizer on:
[  157.210174][ T8903] CPU: 0 PID: 8903 Comm: syz-fuzzer Not tainted 5.7.0-rc1-syzkaller #0
[  157.218381][ T8903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  157.228409][ T8903] ==================================================================
[  157.236443][ T8903] Kernel panic - not syncing: panic_on_warn set ...
[  157.243005][ T8903] CPU: 0 PID: 8903 Comm: syz-fuzzer Not tainted 5.7.0-rc1-syzkaller #0
[  157.251213][ T8903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  157.261257][ T8903] Call Trace:
[  157.264545][ T8903]  dump_stack+0x11d/0x187
[  157.268873][ T8903]  panic+0x210/0x640
[  157.272749][ T8903]  ? vprintk_func+0x89/0x13a
[  157.277317][ T8903]  kcsan_report.cold+0xc/0x1a
[  157.281991][ T8903]  kcsan_setup_watchpoint+0x3fb/0x440
[  157.287343][ T8903]  ktime_get_seconds+0x42/0x60
[  157.292088][ T8903]  tcp_rcv_established+0xe79/0xee0
[  157.297196][ T8903]  tcp_v4_do_rcv+0x396/0x4f0
[  157.301765][ T8903]  __release_sock+0x130/0x1e0
[  157.306421][ T8903]  release_sock+0x5e/0x160
[  157.310902][ T8903]  tcp_recvmsg+0x68e/0x1ba0
[  157.315392][ T8903]  inet_recvmsg+0xc1/0x250
[  157.319803][ T8903]  ? apparmor_socket_recvmsg+0x38/0x40
[  157.325245][ T8903]  ? inet_sendpage+0xf0/0xf0
[  157.329819][ T8903]  sock_recvmsg+0x8e/0xb0
[  157.334133][ T8903]  sock_read_iter+0x185/0x230
[  157.338809][ T8903]  new_sync_read+0x416/0x450
[  157.343510][ T8903]  __vfs_read+0x9e/0xb0
[  157.347654][ T8903]  vfs_read+0x13e/0x2b0
[  157.351789][ T8903]  ksys_read+0x16a/0x1a0
[  157.356011][ T8903]  __x64_sys_read+0x49/0x60
[  157.360557][ T8903]  do_syscall_64+0xc7/0x3b0
[  157.365042][ T8903]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  157.370910][ T8903] RIP: 0033:0x47c530
[  157.374788][ T8903] 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
[  157.394367][ T8903] RSP: 002b:000000c42022d7d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000
[  157.402752][ T8903] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[  157.410699][ T8903] RDX: 0000000000001000 RSI: 000000c420138000 RDI: 0000000000000003
[  157.418660][ T8903] RBP: 000000c42022d830 R08: 0000000000000000 R09: 0000000000000000
[  157.426607][ T8903] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000002
[  157.434554][ T8903] R13: ffffffffffffffff R14: 0000000000000004 R15: ffffffffffffffff
[  157.443738][ T8903] Kernel Offset: disabled
[  157.448053][ T8903] Rebooting in 86400 seconds..