Warning: Permanently added '10.128.0.33' (ECDSA) to the list of known hosts.
2019/10/05 17:54:18 fuzzer started
2019/10/05 17:54:19 dialing manager at 10.128.0.105:35709
2019/10/05 17:54:19 syscalls: 2523
2019/10/05 17:54:19 code coverage: enabled
2019/10/05 17:54:19 comparison tracing: enabled
2019/10/05 17:54:19 extra coverage: extra coverage is not supported by the kernel
2019/10/05 17:54:19 setuid sandbox: enabled
2019/10/05 17:54:19 namespace sandbox: enabled
2019/10/05 17:54:19 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/05 17:54:19 fault injection: enabled
2019/10/05 17:54:19 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/05 17:54:19 net packet injection: enabled
2019/10/05 17:54:19 net device setup: enabled
2019/10/05 17:54:19 concurrency sanitizer: enabled
syzkaller login: [   49.664306][ T7277] ==================================================================
[   49.672459][ T7277] BUG: KCSAN: data-race in ktime_get_seconds / timekeeping_advance
[   49.680509][ T7277] 
[   49.682821][ T7277] write to 0xffffffff8603db08 of 280 bytes by interrupt on cpu 0:
[   49.690601][ T7277]  timekeeping_advance+0x893/0xd80
[   49.695749][ T7277]  update_wall_time+0x19/0x20
[   49.700459][ T7277]  tick_do_update_jiffies64+0x1ae/0x260
[   49.706137][ T7277]  tick_sched_do_timer+0xd4/0xe0
[   49.711077][ T7277]  tick_sched_timer+0x43/0xe0
[   49.715752][ T7277]  __hrtimer_run_queues+0x288/0x600
[   49.720933][ T7277]  hrtimer_interrupt+0x22a/0x480
[   49.725889][ T7277]  smp_apic_timer_interrupt+0xdc/0x280
[   49.731662][ T7277]  apic_timer_interrupt+0xf/0x20
[   49.736702][ T7277]  __kcsan_check_watchpoint+0x31/0x180
[   49.742144][ T7277]  __tsan_read4+0x15/0x30
[   49.746455][ T7277]  ipt_do_table+0x2e8/0xe40
[   49.751102][ T7277]  iptable_mangle_hook+0x7a/0x260
[   49.756166][ T7277]  nf_hook_slow+0x83/0x160
[   49.760560][ T7277] 
[   49.762869][ T7277] read to 0xffffffff8603db80 of 8 bytes by task 7277 on cpu 1:
[   49.770386][ T7277]  ktime_get_seconds+0x49/0x60
[   49.775127][ T7277]  tcp_rcv_established+0xeeb/0xf50
[   49.780222][ T7277]  tcp_v4_do_rcv+0x381/0x4e0
[   49.784789][ T7277]  __release_sock+0x135/0x1e0
[   49.789443][ T7277]  release_sock+0x61/0x160
[   49.793921][ T7277]  tcp_recvmsg+0x63b/0x1a30
[   49.798407][ T7277]  inet_recvmsg+0xbb/0x250
[   49.802798][ T7277]  sock_recvmsg+0x92/0xb0
[   49.807104][ T7277]  sock_read_iter+0x15f/0x1e0
[   49.811776][ T7277]  new_sync_read+0x389/0x4f0
[   49.816343][ T7277]  __vfs_read+0xb1/0xc0
[   49.820567][ T7277]  vfs_read+0x143/0x2c0
[   49.824708][ T7277]  ksys_read+0xd5/0x1b0
[   49.828845][ T7277] 
[   49.831162][ T7277] Reported by Kernel Concurrency Sanitizer on:
[   49.837302][ T7277] CPU: 1 PID: 7277 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   49.844394][ T7277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   49.855211][ T7277] ==================================================================
[   49.864647][ T7277] Kernel panic - not syncing: panic_on_warn set ...
[   49.873145][ T7277] CPU: 1 PID: 7277 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   49.881155][ T7277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   49.893209][ T7277] Call Trace:
[   49.896915][ T7277]  dump_stack+0xf5/0x159
[   49.901355][ T7277]  panic+0x209/0x639
[   49.905512][ T7277]  ? vprintk_func+0x8d/0x140
[   49.910871][ T7277]  kcsan_report.cold+0x57/0xeb
[   49.916249][ T7277]  __kcsan_setup_watchpoint+0x342/0x500
[   49.923653][ T7277]  __tsan_read8+0x2c/0x30
[   49.928155][ T7277]  ktime_get_seconds+0x49/0x60
[   49.933627][ T7277]  tcp_rcv_established+0xeeb/0xf50
[   49.939748][ T7277]  ? ipv4_dst_check+0xc6/0xf0
[   49.944595][ T7277]  tcp_v4_do_rcv+0x381/0x4e0
[   49.949279][ T7277]  __release_sock+0x135/0x1e0
[   49.954048][ T7277]  release_sock+0x61/0x160
[   49.958490][ T7277]  tcp_recvmsg+0x63b/0x1a30
[   49.963294][ T7277]  inet_recvmsg+0xbb/0x250
[   49.968646][ T7277]  ? __tsan_read8+0x2c/0x30
[   49.973228][ T7277]  ? inet_sendpage+0x100/0x100
[   49.978932][ T7277]  sock_recvmsg+0x92/0xb0
[   49.983355][ T7277]  sock_read_iter+0x15f/0x1e0
[   49.988135][ T7277]  new_sync_read+0x389/0x4f0
[   49.993428][ T7277]  __vfs_read+0xb1/0xc0
[   49.998241][ T7277]  vfs_read+0x143/0x2c0
[   50.004068][ T7277]  ksys_read+0xd5/0x1b0
[   50.010145][ T7277]  __x64_sys_read+0x4c/0x60
[   50.014654][ T7277]  do_syscall_64+0xcf/0x2f0
[   50.019713][ T7277]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   50.026280][ T7277] RIP: 0033:0x47c530
[   50.030161][ T7277] 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
[   50.052920][ T7277] RSP: 002b:000000c4202e17d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000
[   50.061314][ T7277] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[   50.069264][ T7277] RDX: 0000000000001000 RSI: 000000c4203ce000 RDI: 0000000000000003
[   50.077230][ T7277] RBP: 000000c4202e1830 R08: 0000000000000000 R09: 0000000000000000
[   50.085194][ T7277] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000008
[   50.093263][ T7277] R13: ffffffffffffffff R14: 0000000000000004 R15: ffffffffffffffff
[   50.102874][ T7277] Kernel Offset: disabled
[   50.107221][ T7277] Rebooting in 86400 seconds..