Warning: Permanently added '10.128.10.14' (ECDSA) to the list of known hosts. 2020/02/03 19:44:38 fuzzer started syzkaller login: [ 60.211596][ T7913] as (7913) used greatest stack depth: 10136 bytes left 2020/02/03 19:44:40 dialing manager at 10.128.0.105:41149 2020/02/03 19:44:40 syscalls: 2904 2020/02/03 19:44:40 code coverage: enabled 2020/02/03 19:44:40 comparison tracing: enabled 2020/02/03 19:44:40 extra coverage: enabled 2020/02/03 19:44:40 setuid sandbox: enabled 2020/02/03 19:44:40 namespace sandbox: enabled 2020/02/03 19:44:40 Android sandbox: /sys/fs/selinux/policy does not exist 2020/02/03 19:44:40 fault injection: enabled 2020/02/03 19:44:40 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/02/03 19:44:40 net packet injection: enabled 2020/02/03 19:44:40 net device setup: enabled 2020/02/03 19:44:40 concurrency sanitizer: enabled 2020/02/03 19:44:40 devlink PCI setup: PCI device 0000:00:10.0 is not available [ 62.233115][ T7919] KCSAN: could not find function: 'decode_data' [ 66.468880][ T7919] KCSAN: could not find function: 'poll_schedule_timeout' [ 69.194818][ T0] ================================================================== [ 69.202997][ T0] BUG: KCSAN: data-race in tick_do_update_jiffies64 / tick_do_update_jiffies64 [ 69.211919][ T0] [ 69.214251][ T0] write to 0xffffffff8624c7c8 of 8 bytes by interrupt on cpu 0: [ 69.221892][ T0] tick_do_update_jiffies64+0x100/0x250 [ 69.227446][ T0] tick_sched_do_timer+0xd4/0xe0 [ 69.232392][ T0] tick_sched_timer+0x43/0xe0 [ 69.237081][ T0] __hrtimer_run_queues+0x274/0x5f0 [ 69.242280][ T0] hrtimer_interrupt+0x22a/0x480 [ 69.247227][ T0] smp_apic_timer_interrupt+0xdc/0x280 [ 69.252694][ T0] apic_timer_interrupt+0xf/0x20 [ 69.257637][ T0] kcsan_setup_watchpoint+0x1d4/0x460 [ 69.263015][ T0] __tsan_unaligned_write1+0xc3/0x100 [ 69.268410][ T0] kallsyms_expand_symbol.constprop.0+0xe8/0x160 [ 69.274774][ T0] kallsyms_lookup_name+0x7f/0x120 [ 69.279886][ T0] debugfs_write+0x14b/0x2d0 [ 69.284483][ T0] full_proxy_write+0xbd/0x100 [ 69.289249][ T0] __vfs_write+0x67/0xc0 [ 69.293493][ T0] vfs_write+0x18a/0x390 [ 69.297739][ T0] ksys_write+0xd5/0x1b0 [ 69.301985][ T0] __x64_sys_write+0x4c/0x60 [ 69.306577][ T0] do_syscall_64+0xcc/0x3a0 [ 69.311093][ T0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.316977][ T0] [ 69.319307][ T0] read to 0xffffffff8624c7c8 of 8 bytes by task 0 on cpu 1: [ 69.326594][ T0] tick_do_update_jiffies64+0x2b/0x250 [ 69.332061][ T0] tick_irq_enter+0x139/0x1c0 [ 69.336738][ T0] irq_enter+0x4f/0x60 [ 69.340812][ T0] smp_apic_timer_interrupt+0x55/0x280 [ 69.346279][ T0] apic_timer_interrupt+0xf/0x20 [ 69.351225][ T0] native_safe_halt+0xe/0x10 [ 69.355818][ T0] arch_cpu_idle+0xa/0x10 [ 69.360155][ T0] default_idle_call+0x1e/0x40 [ 69.364958][ T0] do_idle+0x1c2/0x290 [ 69.369078][ T0] cpu_startup_entry+0x1b/0x20 [ 69.373851][ T0] start_secondary+0x168/0x1b0 [ 69.378626][ T0] secondary_startup_64+0xa4/0xb0 [ 69.383636][ T0] [ 69.385961][ T0] Reported by Kernel Concurrency Sanitizer on: [ 69.392120][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.5.0-rc1-syzkaller #0 [ 69.400002][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.410054][ T0] ================================================================== [ 69.418117][ T0] Kernel panic - not syncing: panic_on_warn set ... [ 69.424716][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.5.0-rc1-syzkaller #0 [ 69.432612][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.442680][ T0] Call Trace: [ 69.445959][ T0] [ 69.448831][ T0] dump_stack+0x11d/0x181 [ 69.453168][ T0] panic+0x210/0x640 [ 69.457059][ T0] ? vprintk_func+0x8d/0x140 [ 69.461660][ T0] kcsan_report.cold+0xc/0xd [ 69.466251][ T0] kcsan_setup_watchpoint+0x3fe/0x460 [ 69.471614][ T0] __tsan_read8+0xc6/0x100 [ 69.476026][ T0] tick_do_update_jiffies64+0x2b/0x250 [ 69.481488][ T0] tick_irq_enter+0x139/0x1c0 [ 69.486202][ T0] irq_enter+0x4f/0x60 [ 69.490412][ T0] smp_apic_timer_interrupt+0x55/0x280 [ 69.495877][ T0] apic_timer_interrupt+0xf/0x20 [ 69.500831][ T0] [ 69.503781][ T0] RIP: 0010:native_safe_halt+0xe/0x10 [ 69.509156][ T0] Code: cc cc cc cc cc cc cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d 4c e6 59 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 3c e6 59 00 fb f4 cc 55 48 89 e5 41 55 41 54 53 e8 d2 57 91 fc e8 fd da ab fd 0f [ 69.528767][ T0] RSP: 0018:ffffc90000cd3e70 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 69.537178][ T0] RAX: 0000000000000001 RBX: ffff88812b785040 RCX: ffffffff82546c55 [ 69.545141][ T0] RDX: 0000000000000000 RSI: ffffffff82546c5e RDI: 0000000000000005 [ 69.553112][ T0] RBP: ffffc90000cd3e90 R08: ffff88812b785040 R09: 0000ffff85a2d168 [ 69.561084][ T0] R10: 0000c90000cd3e80 R11: 0000ffff85a2d16f R12: 0000000000000001 [ 69.569060][ T0] R13: ffff88812b785040 R14: 0000000000000000 R15: 0000000000000000 [ 69.577055][ T0] ? debug_smp_processor_id+0x35/0x137 [ 69.582510][ T0] ? debug_smp_processor_id+0x3e/0x137 [ 69.587984][ T0] ? default_idle+0x26/0x180 [ 69.592580][ T0] arch_cpu_idle+0xa/0x10 [ 69.596913][ T0] default_idle_call+0x1e/0x40 [ 69.601680][ T0] do_idle+0x1c2/0x290 [ 69.605757][ T0] ? complete+0x44/0x50 [ 69.609926][ T0] cpu_startup_entry+0x1b/0x20 [ 69.614693][ T0] start_secondary+0x168/0x1b0 [ 69.619460][ T0] secondary_startup_64+0xa4/0xb0 [ 69.635182][ T0] Kernel Offset: disabled [ 69.639544][ T0] Rebooting in 86400 seconds..