Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.198' (ECDSA) to the list of known hosts.
2020/06/08 10:37:39 fuzzer started
2020/06/08 10:37:39 dialing manager at 10.128.0.105:38613
2020/06/08 10:37:40 syscalls: 3055
2020/06/08 10:37:40 code coverage: enabled
2020/06/08 10:37:40 comparison tracing: enabled
2020/06/08 10:37:40 extra coverage: enabled
2020/06/08 10:37:40 setuid sandbox: enabled
2020/06/08 10:37:40 namespace sandbox: enabled
2020/06/08 10:37:40 Android sandbox: /sys/fs/selinux/policy does not exist
2020/06/08 10:37:40 fault injection: enabled
2020/06/08 10:37:40 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/06/08 10:37:40 net packet injection: enabled
2020/06/08 10:37:40 net device setup: enabled
2020/06/08 10:37:40 concurrency sanitizer: enabled
2020/06/08 10:37:40 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/06/08 10:37:40 USB emulation: enabled
2020/06/08 10:37:41 adding functions to KCSAN blacklist: 'blk_mq_dispatch_rq_list' 'ep_poll' 'copy_process' 'find_get_pages_range_tag' 'do_nanosleep' '_find_next_bit' 
syzkaller login: [   53.037597][ T8945] KCSAN: could not find function: '_find_next_bit'
[   55.439781][    C0] ==================================================================
[   55.448050][    C0] BUG: KCSAN: data-race in tick_sched_do_timer / tick_sched_do_timer
[   55.456103][    C0] 
[   55.458435][    C0] write to 0xffffffff8764e210 of 4 bytes by interrupt on cpu 1:
[   55.466177][    C0]  tick_sched_do_timer+0xb4/0xd0
[   55.471127][    C0]  tick_sched_timer+0x3f/0xd0
[   55.475811][    C0]  __hrtimer_run_queues+0x271/0x600
[   55.481010][    C0]  hrtimer_interrupt+0x226/0x490
[   55.485976][    C0]  smp_apic_timer_interrupt+0xd8/0x270
[   55.491532][    C0]  apic_timer_interrupt+0xf/0x20
[   55.496547][    C0] 
[   55.498874][    C0] read to 0xffffffff8764e210 of 4 bytes by interrupt on cpu 0:
[   55.506437][    C0]  tick_sched_do_timer+0x2e/0xd0
[   55.511386][    C0]  tick_sched_timer+0x3f/0xd0
[   55.516184][    C0]  __hrtimer_run_queues+0x271/0x600
[   55.521399][    C0]  hrtimer_interrupt+0x226/0x490
[   55.526339][    C0]  smp_apic_timer_interrupt+0xd8/0x270
[   55.531879][    C0]  apic_timer_interrupt+0xf/0x20
[   55.537430][    C0]  rcu_idle_exit+0xdd/0x1a0
[   55.541935][    C0]  do_idle+0x18d/0x290
[   55.546256][    C0]  cpu_startup_entry+0x14/0x20
[   55.551116][    C0]  rest_init+0xe4/0xeb
[   55.555259][    C0]  arch_call_rest_init+0x13/0x2b
[   55.560179][    C0]  start_kernel+0x7fe/0x823
[   55.564801][    C0]  secondary_startup_64+0xa4/0xb0
[   55.569794][    C0] 
[   55.572120][    C0] Reported by Kernel Concurrency Sanitizer on:
[   55.578352][    C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.7.0-rc1-syzkaller #0
[   55.586278][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.596326][    C0] ==================================================================
[   55.604576][    C0] Kernel panic - not syncing: panic_on_warn set ...
[   55.611165][    C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.7.0-rc1-syzkaller #0
[   55.619040][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.629103][    C0] Call Trace:
[   55.632374][    C0]  <IRQ>
[   55.635241][    C0]  dump_stack+0x11d/0x187
[   55.639574][    C0]  panic+0x210/0x640
[   55.643471][    C0]  ? vprintk_func+0x89/0x13a
[   55.648235][    C0]  kcsan_report.cold+0xc/0x1a
[   55.652899][    C0]  kcsan_setup_watchpoint+0x3fb/0x440
[   55.658803][    C0]  tick_sched_do_timer+0x2e/0xd0
[   55.663754][    C0]  tick_sched_timer+0x3f/0xd0
[   55.668515][    C0]  __hrtimer_run_queues+0x271/0x600
[   55.673723][    C0]  ? tick_sched_do_timer+0xd0/0xd0
[   55.678842][    C0]  hrtimer_interrupt+0x226/0x490
[   55.683770][    C0]  ? kvm_clock_read+0x14/0x30
[   55.688433][    C0]  smp_apic_timer_interrupt+0xd8/0x270
[   55.693966][    C0]  apic_timer_interrupt+0xf/0x20
[   55.700260][    C0]  </IRQ>
[   55.703202][    C0] RIP: 0010:rcu_idle_exit+0xdd/0x1a0
[   55.708627][    C0] Code: a9 35 19 00 4c 89 a3 c8 00 00 00 48 c7 c7 c0 c9 25 87 e8 86 34 19 00 48 83 3d fe 36 ea 05 00 0f 84 b5 00 00 00 4c 89 ef 57 9d <0f> 1f 44 00 00 e8 29 25 19 00 48 8b 45 d8 65 48 33 04 25 28 00 00
[   55.728662][    C0] RSP: 0018:ffffffff87203e58 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[   55.737186][    C0] RAX: ffffffff8722c258 RBX: ffff88812c02d6c0 RCX: ffffffff88af0438
[   55.745275][    C0] RDX: 000000000000002d RSI: ffffffff87203e58 RDI: 0000000000000282
[   55.753322][    C0] RBP: ffffffff87203e88 R08: 0000000000000000 R09: 0000ffff8725c9c0
[   55.762754][    C0] R10: 0000ffff87203e58 R11: 0000ffff8725c9c7 R12: ffff88812c02d790
[   55.771267][    C0] R13: 0000000000000282 R14: ffff88812c02d788 R15: ffffffff8722b840
[   55.782556][    C0]  do_idle+0x18d/0x290
[   55.786630][    C0]  ? debug_smp_processor_id+0x3f/0x129
[   55.792089][    C0]  cpu_startup_entry+0x14/0x20
[   55.796849][    C0]  rest_init+0xe4/0xeb
[   55.801018][    C0]  ? trace_init_perf_perm_irq_work_exit+0xe/0xe
[   55.807252][    C0]  arch_call_rest_init+0x13/0x2b
[   55.812183][    C0]  start_kernel+0x7fe/0x823
[   55.816982][    C0]  secondary_startup_64+0xa4/0xb0
[   55.823359][    C0] Kernel Offset: disabled
[   55.828215][    C0] Rebooting in 86400 seconds..