Warning: Permanently added '10.128.10.33' (ECDSA) to the list of known hosts.
2019/10/09 22:50:19 fuzzer started
2019/10/09 22:50:21 dialing manager at 10.128.0.105:43471
2019/10/09 22:50:21 syscalls: 2523
2019/10/09 22:50:21 code coverage: enabled
2019/10/09 22:50:21 comparison tracing: enabled
2019/10/09 22:50:21 extra coverage: extra coverage is not supported by the kernel
2019/10/09 22:50:21 setuid sandbox: enabled
2019/10/09 22:50:21 namespace sandbox: enabled
2019/10/09 22:50:21 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/09 22:50:21 fault injection: enabled
2019/10/09 22:50:21 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/09 22:50:21 net packet injection: enabled
2019/10/09 22:50:21 net device setup: enabled
2019/10/09 22:50:21 concurrency sanitizer: enabled
syzkaller login: [   45.722955][ T7366] ==================================================================
[   45.731179][ T7366] BUG: KCSAN: data-race in tcp_poll / tcp_recvmsg
[   45.737565][ T7366] 
[   45.739878][ T7366] read to 0xffff888123d66e74 of 4 bytes by task 7367 on cpu 0:
[   45.747429][ T7366]  tcp_poll+0x1cc/0x6b0
[   45.751576][ T7366]  sock_poll+0xed/0x250
[   45.755713][ T7366]  ep_item_poll.isra.0+0x90/0x190
[   45.760714][ T7366]  ep_send_events_proc+0x113/0x5c0
[   45.765800][ T7366]  ep_scan_ready_list.constprop.0+0x189/0x500
[   45.771846][ T7366]  ep_poll+0xe3/0x900
[   45.775805][ T7366]  do_epoll_wait+0x162/0x180
[   45.780384][ T7366]  __x64_sys_epoll_pwait+0xcd/0x170
[   45.785560][ T7366]  do_syscall_64+0xcf/0x2f0
[   45.790054][ T7366]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   45.795917][ T7366] 
[   45.798240][ T7366] write to 0xffff888123d66e74 of 4 bytes by task 7366 on cpu 1:
[   45.805864][ T7366]  tcp_recvmsg+0xd86/0x1a30
[   45.810369][ T7366]  inet_recvmsg+0xbb/0x250
[   45.814761][ T7366]  sock_recvmsg+0x92/0xb0
[   45.819079][ T7366]  sock_read_iter+0x15f/0x1e0
[   45.823736][ T7366]  new_sync_read+0x389/0x4f0
[   45.828301][ T7366]  __vfs_read+0xb1/0xc0
[   45.832432][ T7366]  vfs_read+0x143/0x2c0
[   45.836561][ T7366]  ksys_read+0xd5/0x1b0
[   45.840693][ T7366]  __x64_sys_read+0x4c/0x60
[   45.845170][ T7366]  do_syscall_64+0xcf/0x2f0
[   45.849652][ T7366]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   45.855510][ T7366] 
[   45.857822][ T7366] Reported by Kernel Concurrency Sanitizer on:
[   45.864002][ T7366] CPU: 1 PID: 7366 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   45.871095][ T7366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   45.881137][ T7366] ==================================================================
[   45.889287][ T7366] Kernel panic - not syncing: panic_on_warn set ...
[   45.895947][ T7366] CPU: 1 PID: 7366 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   45.903032][ T7366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   45.913145][ T7366] Call Trace:
[   45.916420][ T7366]  dump_stack+0xf5/0x159
[   45.920642][ T7366]  panic+0x209/0x639
[   45.924520][ T7366]  ? __x64_sys_read+0x4c/0x60
[   45.929202][ T7366]  ? vprintk_func+0x8d/0x140
[   45.933785][ T7366]  kcsan_report.cold+0xc/0x1b
[   45.938443][ T7366]  __kcsan_setup_watchpoint+0x3ee/0x510
[   45.943973][ T7366]  __tsan_write4+0x32/0x40
[   45.948422][ T7366]  tcp_recvmsg+0xd86/0x1a30
[   45.952913][ T7366]  ? __kcsan_setup_watchpoint+0x96/0x510
[   45.958567][ T7366]  inet_recvmsg+0xbb/0x250
[   45.962981][ T7366]  ? __tsan_read8+0x2c/0x30
[   45.967644][ T7366]  ? inet_sendpage+0x100/0x100
[   45.972395][ T7366]  sock_recvmsg+0x92/0xb0
[   45.976719][ T7366]  sock_read_iter+0x15f/0x1e0
[   45.981382][ T7366]  new_sync_read+0x389/0x4f0
[   45.985985][ T7366]  __vfs_read+0xb1/0xc0
[   45.990121][ T7366]  vfs_read+0x143/0x2c0
[   45.994277][ T7366]  ksys_read+0xd5/0x1b0
[   45.998420][ T7366]  __x64_sys_read+0x4c/0x60
[   46.002917][ T7366]  do_syscall_64+0xcf/0x2f0
[   46.007422][ T7366]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   46.013292][ T7366] RIP: 0033:0x47c530
[   46.017170][ T7366] 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
[   46.036765][ T7366] RSP: 002b:000000c42031f7d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000
[   46.045156][ T7366] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[   46.053117][ T7366] RDX: 0000000000001000 RSI: 000000c4201a2000 RDI: 0000000000000003
[   46.061086][ T7366] RBP: 000000c42031f830 R08: 0000000000000000 R09: 0000000000000000
[   46.069049][ T7366] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000010
[   46.077007][ T7366] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff
[   46.086461][ T7366] Kernel Offset: disabled
[   46.090814][ T7366] Rebooting in 86400 seconds..