Warning: Permanently added '10.128.1.20' (ECDSA) to the list of known hosts.
2019/10/21 15:04:22 fuzzer started
2019/10/21 15:04:24 dialing manager at 10.128.0.105:39747
2019/10/21 15:04:24 syscalls: 2524
2019/10/21 15:04:24 code coverage: enabled
2019/10/21 15:04:24 comparison tracing: enabled
2019/10/21 15:04:24 extra coverage: extra coverage is not supported by the kernel
2019/10/21 15:04:24 setuid sandbox: enabled
2019/10/21 15:04:24 namespace sandbox: enabled
2019/10/21 15:04:24 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/21 15:04:24 fault injection: enabled
2019/10/21 15:04:24 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/21 15:04:24 net packet injection: enabled
2019/10/21 15:04:24 net device setup: enabled
2019/10/21 15:04:24 concurrency sanitizer: enabled
[   49.292450][ T7191] ==================================================================
[   49.300578][ T7191] BUG: KCSAN: data-race in mod_timer / timer_clear_idle
[   49.307488][ T7191] 
[   49.309820][ T7191] write to 0xffff88812bf1b6e4 of 1 bytes by task 0 on cpu 1:
[   49.317187][ T7191]  timer_clear_idle+0x42/0x50
[   49.321853][ T7191]  __tick_nohz_idle_restart_tick+0x36/0x1b0
[   49.327745][ T7191]  tick_nohz_idle_exit+0x1af/0x1e0
[   49.332851][ T7191]  do_idle+0xb1/0x280
[   49.336823][ T7191]  cpu_startup_entry+0x1b/0x20
[   49.341592][ T7191]  start_secondary+0x208/0x260
[   49.346344][ T7191]  secondary_startup_64+0xa4/0xb0
[   49.351362][ T7191] 
[   49.353681][ T7191] read to 0xffff88812bf1b6e4 of 1 bytes by task 7191 on cpu 0:
[   49.361209][ T7191]  mod_timer+0x50d/0x7a0
[   49.365439][ T7191]  sk_reset_timer+0x2d/0x70
[   49.369926][ T7191]  tcp_rearm_rto.part.0+0x190/0x240
[   49.375110][ T7191]  tcp_rearm_rto+0x4f/0x60
[   49.379531][ T7191]  tcp_event_new_data_sent+0x1bb/0x1c0
[   49.384971][ T7191]  tcp_write_xmit+0xa16/0x3080
[   49.389721][ T7191]  __tcp_push_pending_frames+0x7b/0x1d0
[   49.395249][ T7191]  tcp_push+0x1e9/0x3d0
[   49.399390][ T7191]  tcp_sendmsg_locked+0x1d1e/0x1f30
[   49.404581][ T7191]  tcp_sendmsg+0x39/0x60
[   49.408819][ T7191]  inet_sendmsg+0x6d/0x90
[   49.413136][ T7191]  sock_sendmsg+0x9f/0xc0
[   49.417464][ T7191]  sock_write_iter+0x16b/0x210
[   49.422206][ T7191] 
[   49.424512][ T7191] Reported by Kernel Concurrency Sanitizer on:
[   49.430661][ T7191] CPU: 0 PID: 7191 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0
[   49.438108][ T7191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   49.448143][ T7191] ==================================================================
[   49.456185][ T7191] Kernel panic - not syncing: panic_on_warn set ...
[   49.462775][ T7191] CPU: 0 PID: 7191 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0
[   49.470208][ T7191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   49.480243][ T7191] Call Trace:
[   49.483525][ T7191]  dump_stack+0xf5/0x159
[   49.487754][ T7191]  panic+0x210/0x640
[   49.491640][ T7191]  ? tcp_sendmsg_locked+0x1d1e/0x1f30
[   49.497000][ T7191]  ? vprintk_func+0x8d/0x140
[   49.501578][ T7191]  kcsan_report.cold+0xc/0x10
[   49.506256][ T7191]  __kcsan_setup_watchpoint+0x32e/0x4a0
[   49.511796][ T7191]  __tsan_read1+0x2c/0x30
[   49.516113][ T7191]  mod_timer+0x50d/0x7a0
[   49.520343][ T7191]  ? __kcsan_setup_watchpoint+0x6b/0x4a0
[   49.525960][ T7191]  ? __kcsan_setup_watchpoint+0x6b/0x4a0
[   49.531590][ T7191]  sk_reset_timer+0x2d/0x70
[   49.536079][ T7191]  tcp_rearm_rto.part.0+0x190/0x240
[   49.541266][ T7191]  tcp_rearm_rto+0x4f/0x60
[   49.545666][ T7191]  tcp_event_new_data_sent+0x1bb/0x1c0
[   49.551111][ T7191]  tcp_write_xmit+0xa16/0x3080
[   49.555861][ T7191]  ? kmem_cache_alloc_node_trace+0x273/0x670
[   49.561836][ T7191]  __tcp_push_pending_frames+0x7b/0x1d0
[   49.567371][ T7191]  tcp_push+0x1e9/0x3d0
[   49.571516][ T7191]  tcp_sendmsg_locked+0x1d1e/0x1f30
[   49.576711][ T7191]  tcp_sendmsg+0x39/0x60
[   49.580937][ T7191]  inet_sendmsg+0x6d/0x90
[   49.585250][ T7191]  ? inet_send_prepare+0x200/0x200
[   49.590345][ T7191]  sock_sendmsg+0x9f/0xc0
[   49.594660][ T7191]  sock_write_iter+0x16b/0x210
[   49.599416][ T7191]  new_sync_write+0x388/0x4a0
[   49.604088][ T7191]  __vfs_write+0xb1/0xc0
[   49.608331][ T7191]  vfs_write+0x18a/0x390
[   49.612564][ T7191]  ksys_write+0xd5/0x1b0
[   49.616794][ T7191]  __x64_sys_write+0x4c/0x60
[   49.621374][ T7191]  do_syscall_64+0xcc/0x370
[   49.625881][ T7191]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   49.631758][ T7191] RIP: 0033:0x47c530
[   49.635642][ 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
[   49.655230][ T7191] RSP: 002b:000000c42039f4f8 EFLAGS: 00000216 ORIG_RAX: 0000000000000001
[   49.663626][ T7191] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[   49.671581][ T7191] RDX: 0000000000000007 RSI: 000000c4201705c0 RDI: 0000000000000003
[   49.679545][ T7191] RBP: 000000c42039f550 R08: 0000000000000000 R09: 0000000000000000
[   49.687502][ T7191] R10: 0000000000000000 R11: 0000000000000216 R12: 000000c4200c5b00
[   49.695462][ T7191] R13: 000000000000000f R14: 0000000000c14060 R15: 0000000000000c61
[   50.829327][ T7191] Shutting down cpus with NMI
[   50.835226][ T7191] Kernel Offset: disabled
[   50.839548][ T7191] Rebooting in 86400 seconds..