Warning: Permanently added '10.128.0.57' (ECDSA) to the list of known hosts.
2019/10/12 12:12:36 fuzzer started
2019/10/12 12:12:38 dialing manager at 10.128.0.105:43913
2019/10/12 12:12:38 syscalls: 2523
2019/10/12 12:12:38 code coverage: enabled
2019/10/12 12:12:38 comparison tracing: enabled
2019/10/12 12:12:38 extra coverage: extra coverage is not supported by the kernel
2019/10/12 12:12:38 setuid sandbox: enabled
2019/10/12 12:12:38 namespace sandbox: enabled
syzkaller login: [   54.139449][ T7439] ==================================================================
[   54.147834][ T7439] BUG: KCSAN: data-race in pipe_poll / pipe_write
[   54.154226][ T7439] 
[   54.156557][ T7439] read to 0xffff888124e4e4b8 of 4 bytes by task 7434 on cpu 1:
[   54.164078][ T7439]  pipe_poll+0x84/0x1d0
[   54.168338][ T7439]  do_select+0x7d0/0x1020
[   54.172657][ T7439]  core_sys_select+0x38b/0x520
[   54.178807][ T7439]  kern_select+0x106/0x170
[   54.183305][ T7439]  __x64_sys_select+0x70/0x90
[   54.188063][ T7439]  do_syscall_64+0xcf/0x2f0
[   54.192549][ T7439]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   54.198420][ T7439] 
[   54.200756][ T7439] write to 0xffff888124e4e4b8 of 4 bytes by task 7439 on cpu 0:
[   54.208369][ T7439]  pipe_write+0x268/0x970
[   54.212710][ T7439]  new_sync_write+0x388/0x4a0
[   54.217381][ T7439]  __vfs_write+0xb1/0xc0
[   54.221638][ T7439]  vfs_write+0x18a/0x390
[   54.225870][ T7439]  ksys_write+0xd5/0x1b0
[   54.230100][ T7439]  __x64_sys_write+0x4c/0x60
[   54.234672][ T7439]  do_syscall_64+0xcf/0x2f0
[   54.239168][ T7439]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   54.245044][ T7439] 
[   54.247359][ T7439] Reported by Kernel Concurrency Sanitizer on:
[   54.253505][ T7439] CPU: 0 PID: 7439 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   54.260641][ T7439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   54.270696][ T7439] ==================================================================
[   54.279056][ T7439] Kernel panic - not syncing: panic_on_warn set ...
[   54.286027][ T7439] CPU: 0 PID: 7439 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   54.293220][ T7439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   54.303254][ T7439] Call Trace:
[   54.306542][ T7439]  dump_stack+0xf5/0x159
[   54.310777][ T7439]  panic+0x209/0x639
[   54.314655][ T7439]  ? vprintk_func+0x8d/0x140
[   54.319229][ T7439]  kcsan_report.cold+0xc/0x1b
[   54.323911][ T7439]  __kcsan_setup_watchpoint+0x3ee/0x510
[   54.329437][ T7439]  __tsan_write4+0x32/0x40
[   54.333845][ T7439]  pipe_write+0x268/0x970
[   54.338164][ T7439]  new_sync_write+0x388/0x4a0
[   54.342840][ T7439]  __vfs_write+0xb1/0xc0
[   54.347079][ T7439]  vfs_write+0x18a/0x390
[   54.351323][ T7439]  ksys_write+0xd5/0x1b0
[   54.355565][ T7439]  __x64_sys_write+0x4c/0x60
[   54.360150][ T7439]  do_syscall_64+0xcf/0x2f0
[   54.364640][ T7439]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   54.370525][ T7439] RIP: 0033:0x47c530
[   54.374421][ T7439] 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
[   54.394035][ T7439] RSP: 002b:000000c4203a3938 EFLAGS: 00000216 ORIG_RAX: 0000000000000001
[   54.402482][ T7439] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[   54.411032][ T7439] RDX: 000000000000004b RSI: 000000c420080780 RDI: 0000000000000002
[   54.419000][ T7439] RBP: 000000c4203a3990 R08: 0000000000000000 R09: 0000000000000000
[   54.427086][ T7439] R10: 0000000000000000 R11: 0000000000000216 R12: ffffffffffffffff
[   54.435063][ T7439] R13: 000000000000000a R14: 0000000000000009 R15: 0000000000000080
[   54.444512][ T7439] Kernel Offset: disabled
[   54.448945][ T7439] Rebooting in 86400 seconds..