Warning: Permanently added '10.128.0.148' (ECDSA) to the list of known hosts.
2019/10/08 16:33:08 fuzzer started
2019/10/08 16:33:10 dialing manager at 10.128.0.105:44253
2019/10/08 16:33:10 syscalls: 2523
2019/10/08 16:33:10 code coverage: enabled
2019/10/08 16:33:10 comparison tracing: enabled
syzkaller login: [   54.439416][ T7245] ==================================================================
[   54.447552][ T7245] BUG: KCSAN: data-race in pipe_poll / pipe_write
[   54.453959][ T7245] 
[   54.456290][ T7245] write to 0xffff88812ade90f8 of 4 bytes by task 7261 on cpu 0:
[   54.463920][ T7245]  pipe_write+0x268/0x970
[   54.468245][ T7245]  new_sync_write+0x388/0x4a0
[   54.472922][ T7245]  __vfs_write+0xb1/0xc0
[   54.477161][ T7245]  vfs_write+0x18a/0x390
[   54.481403][ T7245]  ksys_write+0xd5/0x1b0
[   54.485640][ T7245]  __x64_sys_write+0x4c/0x60
[   54.490234][ T7245]  do_syscall_64+0xcf/0x2f0
[   54.494767][ T7245]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   54.500640][ T7245] 
[   54.502964][ T7245] read to 0xffff88812ade90f8 of 4 bytes by task 7245 on cpu 1:
[   54.510500][ T7245]  pipe_poll+0x84/0x1d0
[   54.514658][ T7245]  do_select+0x7d0/0x1020
[   54.518986][ T7245]  core_sys_select+0x38b/0x520
[   54.523744][ T7245]  kern_select+0x106/0x170
[   54.528149][ T7245]  __x64_sys_select+0x70/0x90
[   54.532822][ T7245]  do_syscall_64+0xcf/0x2f0
[   54.537330][ T7245]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   54.543206][ T7245] 
[   54.545520][ T7245] Reported by Kernel Concurrency Sanitizer on:
[   54.551672][ T7245] CPU: 1 PID: 7245 Comm: sshd Not tainted 5.3.0+ #0
[   54.558252][ T7245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   54.568296][ T7245] ==================================================================
[   54.576354][ T7245] Kernel panic - not syncing: panic_on_warn set ...
[   54.582967][ T7245] CPU: 1 PID: 7245 Comm: sshd Not tainted 5.3.0+ #0
[   54.589546][ T7245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   54.599594][ T7245] Call Trace:
[   54.602894][ T7245]  dump_stack+0xf5/0x159
[   54.607142][ T7245]  panic+0x209/0x639
[   54.611041][ T7245]  ? vprintk_func+0x8d/0x140
[   54.615637][ T7245]  kcsan_report.cold+0xc/0x1b
[   54.620312][ T7245]  __kcsan_setup_watchpoint+0x3ee/0x510
[   54.625864][ T7245]  ? generic_pipe_buf_confirm+0x20/0x20
[   54.631410][ T7245]  __tsan_read4+0x2c/0x30
[   54.635741][ T7245]  pipe_poll+0x84/0x1d0
[   54.639895][ T7245]  ? generic_pipe_buf_confirm+0x20/0x20
[   54.645437][ T7245]  do_select+0x7d0/0x1020
[   54.649782][ T7245]  ? set_fd_set.part.0+0x60/0x60
[   54.654723][ T7245]  ? set_fd_set.part.0+0x60/0x60
[   54.659665][ T7245]  ? set_fd_set.part.0+0x60/0x60
[   54.664606][ T7245]  ? set_fd_set.part.0+0x60/0x60
[   54.669547][ T7245]  ? __kcsan_setup_watchpoint+0x96/0x510
[   54.675172][ T7245]  ? __kcsan_setup_watchpoint+0x96/0x510
[   54.680791][ T7245]  ? __kcsan_setup_watchpoint+0x96/0x510
[   54.686420][ T7245]  ? __sanitizer_cov_trace_switch+0x49/0x80
[   54.692315][ T7245]  ? __tsan_read8+0x2c/0x30
[   54.696822][ T7245]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[   54.702542][ T7245]  ? __kcsan_setup_watchpoint+0x96/0x510
[   54.708182][ T7245]  ? __kcsan_setup_watchpoint+0x96/0x510
[   54.713811][ T7245]  ? __kcsan_setup_watchpoint+0x96/0x510
[   54.719441][ T7245]  ? __tsan_read8+0x2c/0x30
[   54.723941][ T7245]  ? __kcsan_setup_watchpoint+0x96/0x510
[   54.729681][ T7245]  ? check_stack_object+0xda/0x110
[   54.734792][ T7245]  ? __kcsan_setup_watchpoint+0x96/0x510
[   54.740415][ T7245]  ? __tsan_read8+0x2c/0x30
[   54.744917][ T7245]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[   54.751157][ T7245]  core_sys_select+0x38b/0x520
[   54.755928][ T7245]  ? __kcsan_setup_watchpoint+0x96/0x510
[   54.761558][ T7245]  ? __tsan_read8+0x2c/0x30
[   54.766067][ T7245]  ? __sanitizer_cov_trace_switch+0x49/0x80
[   54.771957][ T7245]  ? __tsan_write8+0x32/0x40
[   54.776550][ T7245]  ? ktime_get_ts64+0x286/0x2b0
[   54.781404][ T7245]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[   54.787123][ T7245]  ? timespec64_add_safe+0xae/0xd0
[   54.792242][ T7245]  kern_select+0x106/0x170
[   54.796663][ T7245]  __x64_sys_select+0x70/0x90
[   54.801341][ T7245]  do_syscall_64+0xcf/0x2f0
[   54.805851][ T7245]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   54.811744][ T7245] RIP: 0033:0x7f34d5514dd3
[   54.816158][ T7245] Code: 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 90 90 90 83 3d 25 48 2b 00 00 75 13 49 89 ca b8 17 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 ab 2f 01 00 48 89 04 24
[   54.835760][ T7245] RSP: 002b:00007ffee6ddb5f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000017
[   54.844166][ T7245] RAX: ffffffffffffffda RBX: 00007ffee6ddb680 RCX: 00007f34d5514dd3
[   54.852121][ T7245] RDX: 00005563e768eb20 RSI: 00005563e768eb40 RDI: 000000000000000c
[   54.860091][ T7245] RBP: 00005563e6a808dc R08: 00007ffee6ddb620 R09: 0101010101010101
[   54.868061][ T7245] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffee6ddb688
[   54.876053][ T7245] R13: 0000000000000000 R14: 00007ffee6ddb678 R15: 00007ffee6ddb67c
[   54.885218][ T7245] Kernel Offset: disabled
[   54.889534][ T7245] Rebooting in 86400 seconds..