Warning: Permanently added '10.128.0.211' (ECDSA) to the list of known hosts. 2019/10/16 18:39:14 fuzzer started 2019/10/16 18:39:16 dialing manager at 10.128.0.105:33899 2019/10/16 18:39:16 syscalls: 2524 2019/10/16 18:39:16 code coverage: enabled 2019/10/16 18:39:16 comparison tracing: enabled 2019/10/16 18:39:16 extra coverage: extra coverage is not supported by the kernel 2019/10/16 18:39:16 setuid sandbox: enabled 2019/10/16 18:39:16 namespace sandbox: enabled 2019/10/16 18:39:16 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/16 18:39:16 fault injection: enabled 2019/10/16 18:39:16 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/16 18:39:16 net packet injection: enabled 2019/10/16 18:39:16 net device setup: enabled 2019/10/16 18:39:16 concurrency sanitizer: enabled syzkaller login: [ 46.553416][ C1] ================================================================== [ 46.561691][ C1] BUG: KCSAN: data-race in tick_do_update_jiffies64 / tick_do_update_jiffies64 [ 46.570615][ C1] [ 46.572949][ C1] write to 0xffffffff86042008 of 8 bytes by task 0 on cpu 0: [ 46.580302][ C1] tick_do_update_jiffies64+0x105/0x260 [ 46.585846][ C1] tick_irq_enter+0x139/0x1c0 [ 46.590511][ C1] irq_enter+0x4f/0x60 [ 46.594572][ C1] smp_apic_timer_interrupt+0x55/0x280 [ 46.600007][ C1] apic_timer_interrupt+0xf/0x20 [ 46.604931][ C1] native_safe_halt+0xe/0x10 [ 46.609504][ C1] arch_cpu_idle+0x1f/0x30 [ 46.613990][ C1] default_idle_call+0x1e/0x40 [ 46.618754][ C1] do_idle+0x1af/0x280 [ 46.622804][ C1] cpu_startup_entry+0x1b/0x20 [ 46.627594][ C1] rest_init+0xec/0xf6 [ 46.631649][ C1] arch_call_rest_init+0x17/0x37 [ 46.636606][ C1] start_kernel+0x838/0x85e [ 46.641096][ C1] x86_64_start_reservations+0x29/0x2b [ 46.646522][ C1] [ 46.648830][ C1] read to 0xffffffff86042008 of 8 bytes by interrupt on cpu 1: [ 46.656348][ C1] tick_do_update_jiffies64+0x2b/0x260 [ 46.661783][ C1] tick_sched_do_timer+0xd4/0xe0 [ 46.666694][ C1] tick_sched_timer+0x43/0xe0 [ 46.671346][ C1] __hrtimer_run_queues+0x288/0x600 [ 46.676563][ C1] hrtimer_interrupt+0x22a/0x480 [ 46.681478][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 46.686911][ C1] apic_timer_interrupt+0xf/0x20 [ 46.691826][ C1] __kcsan_setup_watchpoint+0xc3/0x510 [ 46.697259][ C1] __tsan_read2+0x2c/0x30 [ 46.701568][ C1] policy_nodemask+0x28/0x120 [ 46.706217][ C1] alloc_pages_vma+0xa0/0x3a0 [ 46.710888][ C1] wp_page_copy+0xba2/0x1160 [ 46.715456][ C1] do_wp_page+0x192/0x11f0 [ 46.719842][ C1] [ 46.722145][ C1] Reported by Kernel Concurrency Sanitizer on: [ 46.728275][ C1] CPU: 1 PID: 7192 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0 [ 46.735718][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.745849][ C1] ================================================================== [ 46.753972][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 46.760534][ C1] CPU: 1 PID: 7192 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0 [ 46.767961][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.778089][ C1] Call Trace: [ 46.781358][ C1] [ 46.784204][ C1] dump_stack+0xf5/0x159 [ 46.788455][ C1] panic+0x210/0x640 [ 46.792340][ C1] ? __tsan_read2+0x2c/0x30 [ 46.796830][ C1] ? vprintk_func+0x8d/0x140 [ 46.801408][ C1] kcsan_report.cold+0xc/0x1b [ 46.806067][ C1] __kcsan_setup_watchpoint+0x3ee/0x510 [ 46.811587][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 46.817201][ C1] __tsan_read8+0x2c/0x30 [ 46.821525][ C1] tick_do_update_jiffies64+0x2b/0x260 [ 46.826975][ C1] tick_sched_do_timer+0xd4/0xe0 [ 46.831896][ C1] tick_sched_timer+0x43/0xe0 [ 46.836561][ C1] __hrtimer_run_queues+0x288/0x600 [ 46.841751][ C1] ? tick_sched_do_timer+0xe0/0xe0 [ 46.846843][ C1] hrtimer_interrupt+0x22a/0x480 [ 46.851769][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 46.857207][ C1] ? smp_call_function_single_interrupt+0x80/0x1c0 [ 46.863689][ C1] apic_timer_interrupt+0xf/0x20 [ 46.868599][ C1] [ 46.871527][ C1] RIP: 0010:__kcsan_setup_watchpoint+0xc3/0x510 [ 46.877747][ C1] Code: bd b9 01 00 00 00 65 48 0f c1 0d 88 ad af 7e 48 be 7d 3f 35 5e ba 49 0c 02 48 83 c1 01 48 89 ca 48 c1 ea 04 48 89 d0 48 f7 e6 <48> 69 d2 d0 07 00 00 48 29 d1 75 88 49 81 fc 00 20 00 00 0f 87 27 [ 46.897335][ C1] RSP: 0000:ffffc90001847b18 EFLAGS: 00000a83 ORIG_RAX: ffffffffffffff13 [ 46.905726][ C1] RAX: f5c28f5c28f5ccf7 RBX: 0000000000000000 RCX: 0000000000090833 [ 46.913676][ C1] RDX: 0000000000000127 RSI: 020c49ba5e353f7d RDI: ffffffff86048d64 [ 46.921637][ C1] RBP: ffffc90001847b58 R08: 0000000000000000 R09: 0000ffff86048d65 [ 46.929607][ C1] R10: 00000000aaaaaaab R11: ffffffff86045c58 R12: 0000000000000002 [ 46.937569][ C1] R13: ffffffff86048d64 R14: ffff88812379daf0 R15: 0000000000000001 [ 46.945546][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 46.951155][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 46.956854][ C1] __tsan_read2+0x2c/0x30 [ 46.961172][ C1] policy_nodemask+0x28/0x120 [ 46.965836][ C1] alloc_pages_vma+0xa0/0x3a0 [ 46.970494][ C1] wp_page_copy+0xba2/0x1160 [ 46.975074][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 46.980690][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 46.986308][ C1] do_wp_page+0x192/0x11f0 [ 46.990702][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 46.996324][ C1] __handle_mm_fault+0x1c07/0x2cb0 [ 47.001418][ C1] handle_mm_fault+0x21b/0x530 [ 47.006163][ C1] __do_page_fault+0x3fb/0x9e0 [ 47.010945][ C1] do_page_fault+0x54/0x233 [ 47.015439][ C1] ? prepare_exit_to_usermode+0x154/0x1a0 [ 47.021145][ C1] page_fault+0x34/0x40 [ 47.025278][ C1] RIP: 0033:0x40c239 [ 47.029152][ C1] Code: 00 00 49 c1 e5 05 4c 89 6c 24 30 4e 8b 74 2c 60 49 83 fe 08 0f 84 a8 00 00 00 4a 8b 44 2c 58 84 00 4a 8b 4c 2c 60 48 83 e1 07 <44> 88 24 08 4a 8b 44 2c 68 41 8b 0a 89 08 48 8b 46 38 4a 8b 4c 2c [ 47.048818][ C1] RSP: 002b:000000c4203cf720 EFLAGS: 00010246 [ 47.054859][ C1] RAX: 000000c4205d44a0 RBX: 000000000000000a RCX: 0000000000000000 [ 47.062807][ C1] RDX: 0000000000000002 RSI: 0000000000862040 RDI: 000000c4205704a0 [ 47.070754][ C1] RBP: 000000c4203cf7b8 R08: 00000000000001cc R09: 0000000000000400 [ 47.078703][ C1] R10: 000000c4205704b0 R11: 000000c4205704ca R12: 00000000000000ff [ 47.086652][ C1] R13: 0000000000000020 R14: 0000000000000000 R15: 0000000000000001 [ 47.096788][ C1] Kernel Offset: disabled [ 47.101108][ C1] Rebooting in 86400 seconds..