Warning: Permanently added '10.128.0.219' (ECDSA) to the list of known hosts.
2020/06/08 23:05:04 fuzzer started
2020/06/08 23:05:05 dialing manager at 10.128.0.105:32965
2020/06/08 23:05:05 syscalls: 3055
2020/06/08 23:05:05 code coverage: enabled
2020/06/08 23:05:05 comparison tracing: enabled
2020/06/08 23:05:05 extra coverage: enabled
2020/06/08 23:05:05 setuid sandbox: enabled
2020/06/08 23:05:05 namespace sandbox: enabled
2020/06/08 23:05:05 Android sandbox: /sys/fs/selinux/policy does not exist
2020/06/08 23:05:05 fault injection: enabled
2020/06/08 23:05:05 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/06/08 23:05:05 net packet injection: enabled
2020/06/08 23:05:05 net device setup: enabled
2020/06/08 23:05:05 concurrency sanitizer: enabled
2020/06/08 23:05:05 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/06/08 23:05:05 USB emulation: enabled
[   47.959975][ T8919] KCSAN: could not find function: '_find_next_bit'
2020/06/08 23:05:06 adding functions to KCSAN blacklist: 'find_get_pages_range_tag' '_find_next_bit' 'futex_wait_queue_me' 'page_counter_charge' 'xas_find_marked' 'tick_nohz_idle_stop_tick' 'complete_signal' 'ep_poll' 'run_timer_softirq' 
[   64.732952][ T8907] ==================================================================
[   64.741159][ T8907] BUG: KCSAN: data-race in mod_timer / timer_clear_idle
[   64.748068][ T8907] 
[   64.750390][ T8907] write to 0xffff88812c01dca4 of 1 bytes by task 0 on cpu 0:
[   64.757744][ T8907]  timer_clear_idle+0x3d/0x50
[   64.762464][ T8907]  __tick_nohz_idle_restart_tick+0x32/0x1a0
[   64.768358][ T8907]  tick_nohz_idle_exit+0x19c/0x1d0
[   64.773571][ T8907]  do_idle+0xac/0x290
[   64.777558][ T8907]  cpu_startup_entry+0x14/0x20
[   64.782307][ T8907]  rest_init+0xe4/0xeb
[   64.786392][ T8907]  arch_call_rest_init+0x13/0x2b
[   64.791413][ T8907]  start_kernel+0x7fe/0x823
[   64.796260][ T8907]  secondary_startup_64+0xa4/0xb0
[   64.806352][ T8907] 
[   64.809344][ T8907] read to 0xffff88812c01dca4 of 1 bytes by task 8907 on cpu 1:
[   64.821836][ T8907]  mod_timer+0x631/0x830
[   64.826662][ T8907]  sk_reset_timer+0x29/0xc0
[   64.831178][ T8907]  tcp_rearm_rto+0x1ce/0x280
[   64.835767][ T8907]  tcp_event_new_data_sent+0x23f/0x260
[   64.841213][ T8907]  tcp_write_xmit+0x5c6/0x31e0
[   64.845972][ T8907]  __tcp_push_pending_frames+0x72/0x1b0
[   64.851523][ T8907]  tcp_push+0x1ec/0x3e0
[   64.855661][ T8907]  tcp_sendmsg_locked+0x1de3/0x20f0
[   64.860872][ T8907]  tcp_sendmsg+0x35/0x50
[   64.865097][ T8907]  inet_sendmsg+0x69/0x90
[   64.869412][ T8907]  sock_sendmsg+0x98/0xc0
[   64.873728][ T8907]  sock_write_iter+0x186/0x240
[   64.878491][ T8907]  new_sync_write+0x303/0x400
[   64.883167][ T8907]  __vfs_write+0x9e/0xb0
[   64.887407][ T8907]  vfs_write+0x189/0x380
[   64.891631][ T8907]  ksys_write+0x16a/0x1a0
[   64.895969][ T8907]  __x64_sys_write+0x49/0x60
[   64.900546][ T8907]  do_syscall_64+0xc7/0x3b0
[   64.905041][ T8907]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   64.910918][ T8907] 
[   64.913216][ T8907] Reported by Kernel Concurrency Sanitizer on:
[   64.919365][ T8907] CPU: 1 PID: 8907 Comm: syz-fuzzer Not tainted 5.7.0-rc1-syzkaller #0
[   64.927581][ T8907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   64.937628][ T8907] ==================================================================
[   64.945669][ T8907] Kernel panic - not syncing: panic_on_warn set ...
[   64.952235][ T8907] CPU: 1 PID: 8907 Comm: syz-fuzzer Not tainted 5.7.0-rc1-syzkaller #0
[   64.961054][ T8907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   64.971086][ T8907] Call Trace:
[   64.974359][ T8907]  dump_stack+0x11d/0x187
[   64.978680][ T8907]  panic+0x210/0x640
[   64.982565][ T8907]  ? vprintk_func+0x89/0x13a
[   64.987148][ T8907]  kcsan_report.cold+0xc/0x1a
[   64.991831][ T8907]  kcsan_setup_watchpoint+0x3fb/0x440
[   64.997206][ T8907]  mod_timer+0x631/0x830
[   65.001453][ T8907]  sk_reset_timer+0x29/0xc0
[   65.005956][ T8907]  tcp_rearm_rto+0x1ce/0x280
[   65.010670][ T8907]  tcp_event_new_data_sent+0x23f/0x260
[   65.016157][ T8907]  tcp_write_xmit+0x5c6/0x31e0
[   65.020923][ T8907]  ? iov_iter_advance+0x21c/0x900
[   65.025949][ T8907]  __tcp_push_pending_frames+0x72/0x1b0
[   65.031488][ T8907]  tcp_push+0x1ec/0x3e0
[   65.035636][ T8907]  tcp_sendmsg_locked+0x1de3/0x20f0
[   65.040839][ T8907]  ? aa_label_sk_perm.part.0+0x220/0x290
[   65.046483][ T8907]  tcp_sendmsg+0x35/0x50
[   65.050887][ T8907]  inet_sendmsg+0x69/0x90
[   65.055213][ T8907]  ? inet_send_prepare+0x1f0/0x1f0
[   65.060329][ T8907]  sock_sendmsg+0x98/0xc0
[   65.064657][ T8907]  sock_write_iter+0x186/0x240
[   65.069427][ T8907]  new_sync_write+0x303/0x400
[   65.074621][ T8907]  __vfs_write+0x9e/0xb0
[   65.078952][ T8907]  vfs_write+0x189/0x380
[   65.083182][ T8907]  ksys_write+0x16a/0x1a0
[   65.087522][ T8907]  __x64_sys_write+0x49/0x60
[   65.092130][ T8907]  do_syscall_64+0xc7/0x3b0
[   65.096630][ T8907]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   65.102513][ T8907] RIP: 0033:0x4b3cdb
[   65.106392][ T8907] Code: ff e9 69 ff ff ff cc cc cc cc cc cc cc cc cc e8 bb a1 f8 ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 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
[   65.126106][ T8907] RSP: 002b:000000c003ced540 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[   65.134521][ T8907] RAX: ffffffffffffffda RBX: 000000c00002e800 RCX: 00000000004b3cdb
[   65.142767][ T8907] RDX: 0000000000000007 RSI: 000000c00000a200 RDI: 0000000000000006
[   65.150755][ T8907] RBP: 000000c003ced590 R08: 000000c00000a201 R09: 0000000000000007
[   65.158830][ T8907] R10: 000000c000112000 R11: 0000000000000202 R12: 000000000000011e
[   65.166808][ T8907] R13: 000000c000294000 R14: 0000000000000007 R15: 0000000000003878
[   66.258866][ T8907] Shutting down cpus with NMI
[   66.264524][ T8907] Kernel Offset: disabled
[   66.268881][ T8907] Rebooting in 86400 seconds..