Warning: Permanently added '10.128.0.233' (ECDSA) to the list of known hosts.
2019/10/11 21:49:56 fuzzer started
2019/10/11 21:49:57 dialing manager at 10.128.0.105:43913
2019/10/11 21:49:57 syscalls: 2523
2019/10/11 21:49:57 code coverage: enabled
2019/10/11 21:49:57 comparison tracing: enabled
2019/10/11 21:49:57 extra coverage: extra coverage is not supported by the kernel
2019/10/11 21:49:57 setuid sandbox: enabled
2019/10/11 21:49:57 namespace sandbox: enabled
2019/10/11 21:49:57 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/11 21:49:57 fault injection: enabled
2019/10/11 21:49:57 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/11 21:49:57 net packet injection: enabled
2019/10/11 21:49:57 net device setup: enabled
2019/10/11 21:49:57 concurrency sanitizer: enabled
gin: [   50.325727][ T7191] ==================================================================
[   50.333863][ T7191] BUG: KCSAN: data-race in mod_timer / timer_clear_idle
[   50.340864][ T7191] 
[   50.343198][ T7191] write to 0xffff88812bf1b6e4 of 1 bytes by task 0 on cpu 1:
[   50.350566][ T7191]  timer_clear_idle+0x42/0x50
[   50.355251][ T7191]  __tick_nohz_idle_restart_tick+0x36/0x1b0
[   50.361481][ T7191]  tick_nohz_idle_exit+0x1af/0x1e0
[   50.366929][ T7191]  do_idle+0xb0/0x2c0
[   50.370904][ T7191]  cpu_startup_entry+0x1b/0x20
[   50.375672][ T7191]  start_secondary+0x207/0x260
[   50.380598][ T7191]  secondary_startup_64+0xa4/0xb0
[   50.385612][ T7191] 
[   50.387932][ T7191] read to 0xffff88812bf1b6e4 of 1 bytes by task 7191 on cpu 0:
[   50.395475][ T7191]  mod_timer+0x50d/0x7a0
[   50.399707][ T7191]  sk_reset_timer+0x2d/0x70
[   50.404195][ T7191]  tcp_rearm_rto.part.0+0x190/0x240
[   50.409378][ T7191]  tcp_rearm_rto+0x4f/0x60
[   50.413784][ T7191]  tcp_event_new_data_sent+0x1bb/0x1c0
[   50.419233][ T7191]  tcp_write_xmit+0xa16/0x3080
[   50.423985][ T7191]  __tcp_push_pending_frames+0x7b/0x1d0
[   50.429518][ T7191]  tcp_push+0x1e9/0x3d0
[   50.433664][ T7191]  tcp_sendmsg_locked+0x1d1b/0x1ef0
[   50.438849][ T7191]  tcp_sendmsg+0x39/0x60
[   50.443081][ T7191]  inet_sendmsg+0x6d/0x90
[   50.447407][ T7191]  sock_sendmsg+0x9f/0xc0
[   50.451726][ T7191]  sock_write_iter+0x16b/0x210
[   50.456464][ T7191] 
[   50.458777][ T7191] Reported by Kernel Concurrency Sanitizer on:
[   50.464923][ T7191] CPU: 0 PID: 7191 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   50.472026][ T7191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   50.482068][ T7191] ==================================================================
[   50.490117][ T7191] Kernel panic - not syncing: panic_on_warn set ...
[   50.496698][ T7191] CPU: 0 PID: 7191 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   50.503797][ T7191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   50.513838][ T7191] Call Trace:
[   50.517222][ T7191]  dump_stack+0xf5/0x159
[   50.521485][ T7191]  panic+0x209/0x639
[   50.526241][ T7191]  ? tcp_sendmsg_locked+0x1d1b/0x1ef0
[   50.531611][ T7191]  ? vprintk_func+0x8d/0x140
[   50.536218][ T7191]  kcsan_report.cold+0xc/0x1b
[   50.542306][ T7191]  __kcsan_setup_watchpoint+0x3ee/0x510
[   50.547847][ T7191]  __tsan_read1+0x2c/0x30
[   50.552695][ T7191]  mod_timer+0x50d/0x7a0
[   50.557195][ T7191]  ? __kcsan_setup_watchpoint+0x96/0x510
[   50.562831][ T7191]  ? __kcsan_setup_watchpoint+0x96/0x510
[   50.568744][ T7191]  sk_reset_timer+0x2d/0x70
[   50.573474][ T7191]  tcp_rearm_rto.part.0+0x190/0x240
[   50.578668][ T7191]  tcp_rearm_rto+0x4f/0x60
[   50.583377][ T7191]  tcp_event_new_data_sent+0x1bb/0x1c0
[   50.589106][ T7191]  tcp_write_xmit+0xa16/0x3080
[   50.594601][ T7191]  ? kmem_cache_alloc_node_trace+0x273/0x670
[   50.601294][ T7191]  __tcp_push_pending_frames+0x7b/0x1d0
[   50.607087][ T7191]  tcp_push+0x1e9/0x3d0
[   50.611233][ T7191]  tcp_sendmsg_locked+0x1d1b/0x1ef0
[   50.616434][ T7191]  tcp_sendmsg+0x39/0x60
[   50.620678][ T7191]  inet_sendmsg+0x6d/0x90
[   50.625087][ T7191]  ? inet_send_prepare+0x200/0x200
[   50.630186][ T7191]  sock_sendmsg+0x9f/0xc0
[   50.634505][ T7191]  sock_write_iter+0x16b/0x210
[   50.639264][ T7191]  new_sync_write+0x388/0x4a0
[   50.643945][ T7191]  __vfs_write+0xb1/0xc0
[   50.648195][ T7191]  vfs_write+0x18a/0x390
[   50.652454][ T7191]  ksys_write+0xd5/0x1b0
[   50.656691][ T7191]  __x64_sys_write+0x4c/0x60
[   50.661279][ T7191]  do_syscall_64+0xcf/0x2f0
[   50.665778][ T7191]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   50.671653][ T7191] RIP: 0033:0x47c530
[   50.675714][ T7191] 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
[   50.695306][ T7191] RSP: 002b:000000c420ac94f8 EFLAGS: 00000216 ORIG_RAX: 0000000000000001
[   50.703826][ T7191] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[   50.711959][ T7191] RDX: 0000000000000007 RSI: 000000c42016e5c0 RDI: 0000000000000003
[   50.720007][ T7191] RBP: 000000c420ac9550 R08: 0000000000000000 R09: 0000000000000000
[   50.727973][ T7191] R10: 0000000000000000 R11: 0000000000000216 R12: 000000c4200c5b00
[   50.735932][ T7191] R13: 000000000000000f R14: 0000000000c12600 R15: 0000000000000ee1
[   51.884974][ T7191] Shutting down cpus with NMI
[   51.891053][ T7191] Kernel Offset: disabled
[   51.895443][ T7191] Rebooting in 86400 seconds..