Warning: Permanently added '10.128.10.22' (ECDSA) to the list of known hosts.
2019/10/12 11:22:10 fuzzer started
2019/10/12 11:22:11 dialing manager at 10.128.0.105:43913
2019/10/12 11:22:11 syscalls: 2523
2019/10/12 11:22:11 code coverage: enabled
2019/10/12 11:22:11 comparison tracing: enabled
2019/10/12 11:22:11 extra coverage: extra coverage is not supported by the kernel
2019/10/12 11:22:11 setuid sandbox: enabled
2019/10/12 11:22:11 namespace sandbox: enabled
2019/10/12 11:22:11 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/12 11:22:11 fault injection: enabled
2019/10/12 11:22:11 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/12 11:22:11 net packet injection: enabled
2019/10/12 11:22:11 net device setup: enabled
2019/10/12 11:22:11 concurrency sanitizer: enabled
syzkaller login: [   48.418987][ T7369] ==================================================================
[   48.427190][ T7369] BUG: KCSAN: data-race in tcp_poll / tcp_recvmsg
[   48.433677][ T7369] 
[   48.436091][ T7369] read to 0xffff8881255b45b4 of 4 bytes by task 7356 on cpu 1:
[   48.443635][ T7369]  tcp_poll+0x1cc/0x6b0
[   48.447796][ T7369]  sock_poll+0xed/0x250
[   48.451936][ T7369]  ep_item_poll.isra.0+0x90/0x190
[   48.456949][ T7369]  ep_send_events_proc+0x113/0x5c0
[   48.462052][ T7369]  ep_scan_ready_list.constprop.0+0x189/0x500
[   48.468108][ T7369]  ep_poll+0xe3/0x900
[   48.472095][ T7369]  do_epoll_wait+0x162/0x180
[   48.476680][ T7369]  __x64_sys_epoll_pwait+0xcd/0x170
[   48.481886][ T7369]  do_syscall_64+0xcf/0x2f0
[   48.486380][ T7369]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   48.492254][ T7369] 
[   48.494572][ T7369] write to 0xffff8881255b45b4 of 4 bytes by task 7369 on cpu 0:
[   48.502310][ T7369]  tcp_recvmsg+0xd86/0x1a30
[   48.506809][ T7369]  inet_recvmsg+0xbb/0x250
[   48.511208][ T7369]  sock_recvmsg+0x92/0xb0
[   48.515519][ T7369]  sock_read_iter+0x15f/0x1e0
[   48.520541][ T7369]  new_sync_read+0x389/0x4f0
[   48.525481][ T7369]  __vfs_read+0xb1/0xc0
[   48.529714][ T7369]  vfs_read+0x143/0x2c0
[   48.534227][ T7369]  ksys_read+0xd5/0x1b0
[   48.538360][ T7369]  __x64_sys_read+0x4c/0x60
[   48.542858][ T7369]  do_syscall_64+0xcf/0x2f0
[   48.547346][ T7369]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   48.553244][ T7369] 
[   48.555553][ T7369] Reported by Kernel Concurrency Sanitizer on:
[   48.561689][ T7369] CPU: 0 PID: 7369 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   48.568778][ T7369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   48.578827][ T7369] ==================================================================
[   48.586900][ T7369] Kernel panic - not syncing: panic_on_warn set ...
[   48.593491][ T7369] CPU: 0 PID: 7369 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   48.600664][ T7369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   48.611156][ T7369] Call Trace:
[   48.614472][ T7369]  dump_stack+0xf5/0x159
[   48.618872][ T7369]  panic+0x209/0x639
[   48.622924][ T7369]  ? __x64_sys_read+0x4c/0x60
[   48.627582][ T7369]  ? vprintk_func+0x8d/0x140
[   48.632342][ T7369]  kcsan_report.cold+0xc/0x1b
[   48.637011][ T7369]  __kcsan_setup_watchpoint+0x3ee/0x510
[   48.642552][ T7369]  __tsan_write4+0x32/0x40
[   48.646966][ T7369]  tcp_recvmsg+0xd86/0x1a30
[   48.651456][ T7369]  ? __kcsan_setup_watchpoint+0x96/0x510
[   48.657113][ T7369]  inet_recvmsg+0xbb/0x250
[   48.661522][ T7369]  ? __tsan_read8+0x2c/0x30
[   48.666009][ T7369]  ? inet_sendpage+0x100/0x100
[   48.670767][ T7369]  sock_recvmsg+0x92/0xb0
[   48.675085][ T7369]  sock_read_iter+0x15f/0x1e0
[   48.679763][ T7369]  new_sync_read+0x389/0x4f0
[   48.684364][ T7369]  __vfs_read+0xb1/0xc0
[   48.688531][ T7369]  vfs_read+0x143/0x2c0
[   48.692724][ T7369]  ksys_read+0xd5/0x1b0
[   48.696975][ T7369]  __x64_sys_read+0x4c/0x60
[   48.702349][ T7369]  do_syscall_64+0xcf/0x2f0
[   48.706856][ T7369]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   48.712825][ T7369] RIP: 0033:0x47c530
[   48.716708][ T7369] 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
[   48.738047][ T7369] RSP: 002b:000000c4203d1810 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
[   48.746439][ T7369] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[   48.754407][ T7369] RDX: 0000000000001000 RSI: 000000c42035a000 RDI: 0000000000000003
[   48.762359][ T7369] RBP: 000000c4203d1868 R08: 0000000000000000 R09: 0000000000000000
[   48.770323][ T7369] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000080
[   48.778273][ T7369] R13: ffffffffffffffff R14: 0000000000000020 R15: ffffffffffffffff
[   48.787807][ T7369] Kernel Offset: disabled
[   48.792134][ T7369] Rebooting in 86400 seconds..