Warning: Permanently added '10.128.10.49' (ECDSA) to the list of known hosts. 2019/10/16 23:34:16 fuzzer started 2019/10/16 23:34:18 dialing manager at 10.128.0.105:33899 2019/10/16 23:34:18 syscalls: 2524 2019/10/16 23:34:18 code coverage: enabled 2019/10/16 23:34:18 comparison tracing: enabled 2019/10/16 23:34:18 extra coverage: extra coverage is not supported by the kernel 2019/10/16 23:34:18 setuid sandbox: enabled 2019/10/16 23:34:18 namespace sandbox: enabled 2019/10/16 23:34:18 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/16 23:34:18 fault injection: enabled 2019/10/16 23:34:18 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/16 23:34:18 net packet injection: enabled 2019/10/16 23:34:18 net device setup: enabled 2019/10/16 23:34:18 concurrency sanitizer: enabled syzkaller login: [ 48.004004][ C1] ================================================================== [ 48.012172][ C1] BUG: KCSAN: data-race in tick_do_update_jiffies64 / tick_do_update_jiffies64 [ 48.021102][ C1] [ 48.023451][ C1] write to 0xffffffff86042008 of 8 bytes by task 0 on cpu 0: [ 48.030840][ C1] tick_do_update_jiffies64+0x105/0x260 [ 48.036380][ C1] __tick_nohz_idle_restart_tick+0x31/0x1b0 [ 48.042264][ C1] tick_nohz_idle_exit+0x1af/0x1e0 [ 48.047385][ C1] do_idle+0xb1/0x280 [ 48.051368][ C1] cpu_startup_entry+0x1b/0x20 [ 48.056138][ C1] rest_init+0xec/0xf6 [ 48.060207][ C1] arch_call_rest_init+0x17/0x37 [ 48.065128][ C1] start_kernel+0x838/0x85e [ 48.069620][ C1] x86_64_start_reservations+0x29/0x2b [ 48.075774][ C1] x86_64_start_kernel+0x72/0x76 [ 48.080702][ C1] secondary_startup_64+0xa4/0xb0 [ 48.085704][ C1] [ 48.088023][ C1] read to 0xffffffff86042008 of 8 bytes by interrupt on cpu 1: [ 48.095643][ C1] tick_do_update_jiffies64+0x2b/0x260 [ 48.101265][ C1] tick_sched_do_timer+0xd4/0xe0 [ 48.106190][ C1] tick_sched_timer+0x43/0xe0 [ 48.110856][ C1] __hrtimer_run_queues+0x288/0x600 [ 48.116056][ C1] hrtimer_interrupt+0x22a/0x480 [ 48.120996][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 48.126445][ C1] apic_timer_interrupt+0xf/0x20 [ 48.131374][ C1] _raw_spin_unlock_irqrestore+0x51/0x80 [ 48.136998][ C1] try_to_wake_up+0x3d2/0x6e0 [ 48.141747][ C1] wake_up_q+0x3b/0x70 [ 48.145818][ C1] futex_wake+0x322/0x350 [ 48.150135][ C1] do_futex+0x2be/0x18d0 [ 48.154366][ C1] __x64_sys_futex+0x2cd/0x3f0 [ 48.159106][ C1] [ 48.161412][ C1] Reported by Kernel Concurrency Sanitizer on: [ 48.167553][ C1] CPU: 1 PID: 7211 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0 [ 48.174989][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.185029][ C1] ================================================================== [ 48.193070][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 48.199655][ C1] CPU: 1 PID: 7211 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0 [ 48.207090][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.217126][ C1] Call Trace: [ 48.220397][ C1] [ 48.223246][ C1] dump_stack+0xf5/0x159 [ 48.227485][ C1] panic+0x210/0x640 [ 48.231454][ C1] ? try_to_wake_up+0x3d2/0x6e0 [ 48.236290][ C1] ? vprintk_func+0x8d/0x140 [ 48.240879][ C1] kcsan_report.cold+0xc/0x1b [ 48.245546][ C1] __kcsan_setup_watchpoint+0x3ee/0x510 [ 48.251081][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 48.256704][ C1] __tsan_read8+0x2c/0x30 [ 48.261134][ C1] tick_do_update_jiffies64+0x2b/0x260 [ 48.266598][ C1] tick_sched_do_timer+0xd4/0xe0 [ 48.271535][ C1] tick_sched_timer+0x43/0xe0 [ 48.276227][ C1] __hrtimer_run_queues+0x288/0x600 [ 48.281454][ C1] ? tick_sched_do_timer+0xe0/0xe0 [ 48.286559][ C1] hrtimer_interrupt+0x22a/0x480 [ 48.291846][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 48.297313][ C1] ? smp_reschedule_interrupt+0x71/0x1d0 [ 48.302949][ C1] apic_timer_interrupt+0xf/0x20 [ 48.307868][ C1] [ 48.310806][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0x51/0x80 [ 48.317302][ C1] Code: 0e 01 00 74 49 48 89 df c6 07 00 0f 1f 40 00 48 c7 c7 a0 63 a5 85 e8 7e ed bb fc 48 83 3d 36 92 0e 01 00 74 2b 4c 89 e7 57 9d <0f> 1f 44 00 00 bf 01 00 00 00 e8 f0 ee 9c fc 65 8b 05 81 9a 6a 7b [ 48.336901][ C1] RSP: 0018:ffffc900017bbc10 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 48.345302][ C1] RAX: f5c28f5c28f5cbc5 RBX: ffff888129d1f7b4 RCX: 000000000000078a [ 48.353279][ C1] RDX: 000000000007f710 RSI: 020c49ba5e353f7d RDI: 0000000000000282 [ 48.361788][ C1] RBP: ffffc900017bbc20 R08: 0000000000000000 R09: 0000ffff85a563a7 [ 48.369751][ C1] R10: 00000000aaaaaaab R11: ffffffff86045cc8 R12: 0000000000000282 [ 48.377714][ C1] R13: ffff88812be2a3c0 R14: ffff888129d1f040 R15: ffff888129d1f7b4 [ 48.385739][ C1] try_to_wake_up+0x3d2/0x6e0 [ 48.390417][ C1] wake_up_q+0x3b/0x70 [ 48.394487][ C1] futex_wake+0x322/0x350 [ 48.398818][ C1] do_futex+0x2be/0x18d0 [ 48.403051][ C1] ? __tsan_read8+0x2c/0x30 [ 48.407547][ C1] ? _raw_write_unlock_irq+0x75/0xa0 [ 48.412827][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 48.419058][ C1] ? ep_poll+0x127/0x900 [ 48.423289][ C1] ? __fget+0xb8/0x1d0 [ 48.427352][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 48.432993][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 48.438620][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 48.444855][ C1] ? fput_many+0xec/0x130 [ 48.449193][ C1] __x64_sys_futex+0x2cd/0x3f0 [ 48.453964][ C1] ? __tsan_read8+0x2c/0x30 [ 48.458466][ C1] do_syscall_64+0xcc/0x370 [ 48.462964][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.468883][ C1] RIP: 0033:0x45b153 [ 48.472790][ C1] Code: cc cc cc cc cc cc cc 48 8b 7c 24 08 8b 74 24 10 8b 54 24 14 4c 8b 54 24 18 4c 8b 44 24 20 44 8b 4c 24 28 b8 ca 00 00 00 0f 05 <89> 44 24 30 c3 cc cc cc cc cc cc cc cc 8b 7c 24 08 48 8b 74 24 10 [ 48.492439][ C1] RSP: 002b:00007ffc5299dc60 EFLAGS: 00000202 ORIG_RAX: 00000000000000ca [ 48.500862][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045b153 [ 48.508828][ C1] RDX: 0000000000000001 RSI: 0000000000000001 RDI: 000000c420040948 [ 48.516803][ C1] RBP: 00007ffc5299dcb0 R08: 0000000000000000 R09: 0000000000000000 [ 48.524775][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 00ffffffffffffff [ 48.532736][ C1] R13: 00000000000000ff R14: 00000000000000ff R15: 0000000000000028 [ 48.542079][ C1] Kernel Offset: disabled [ 48.546426][ C1] Rebooting in 86400 seconds..