Warning: Permanently added '10.128.10.14' (ECDSA) to the list of known hosts. 2021/01/14 15:45:00 fuzzer started 2021/01/14 15:45:00 dialing manager at 10.128.0.105:36861 2021/01/14 15:45:02 syscalls: 3465 2021/01/14 15:45:02 code coverage: enabled 2021/01/14 15:45:02 comparison tracing: enabled 2021/01/14 15:45:02 extra coverage: enabled 2021/01/14 15:45:02 setuid sandbox: enabled 2021/01/14 15:45:02 namespace sandbox: enabled 2021/01/14 15:45:02 Android sandbox: /sys/fs/selinux/policy does not exist 2021/01/14 15:45:02 fault injection: enabled 2021/01/14 15:45:02 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/01/14 15:45:02 net packet injection: enabled 2021/01/14 15:45:02 net device setup: enabled 2021/01/14 15:45:02 concurrency sanitizer: enabled 2021/01/14 15:45:02 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/01/14 15:45:02 USB emulation: enabled 2021/01/14 15:45:02 hci packet injection: enabled 2021/01/14 15:45:02 wifi device emulation: enabled 2021/01/14 15:45:04 suppressing KCSAN reports in functions: 'find_get_pages_range_tag' '__xa_clear_mark' 'do_sys_poll' '__add_to_page_cache_locked' 'generic_write_end' 'do_select' 'ext4_mb_good_group' 'alloc_pid' 'kauditd_thread' '__ext4_new_inode' 'complete_signal' 'blk_mq_dispatch_rq_list' 'dd_has_work' 'n_tty_receive_buf_common' 'blk_mq_rq_ctx_init' 'ext4_mark_iloc_dirty' 'ext4_free_inode' 'ext4_da_write_end' 'expire_timers' 'blk_mq_request_bypass_insert' 'blk_mq_sched_dispatch_requests' 'xas_find_marked' '__io_cqring_fill_event' 2021/01/14 15:45:04 fetching corpus: 0, signal 0/2000 (executing program) 2021/01/14 15:45:04 fetching corpus: 45, signal 27424/31089 (executing program) 2021/01/14 15:45:04 fetching corpus: 95, signal 42984/48165 (executing program) 2021/01/14 15:45:04 fetching corpus: 145, signal 52481/59110 (executing program) 2021/01/14 15:45:04 fetching corpus: 195, signal 61368/69381 (executing program) 2021/01/14 15:45:04 fetching corpus: 245, signal 69280/78618 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syzkaller login: [ 42.549809][ T0] ================================================================== [ 42.560390][ T0] BUG: KCSAN: data-race in tick_nohz_next_event / tick_sched_timer [ 42.569365][ T0] [ 42.572162][ T0] write to 0xffffffff86fc24a0 of 4 bytes by interrupt on cpu 1: [ 42.581470][ T0] tick_sched_timer+0x1e7/0x200 [ 42.586482][ T0] __run_hrtimer+0x133/0x420 [ 42.591490][ T0] hrtimer_interrupt+0x36e/0xa10 [ 42.596499][ T0] __sysvec_apic_timer_interrupt+0x6f/0x200 [ 42.602541][ T0] sysvec_apic_timer_interrupt+0x6f/0x90 [ 42.608477][ T0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 42.614650][ T0] [ 42.617074][ T0] read to 0xffffffff86fc24a0 of 4 bytes by task 0 on cpu 0: [ 42.625822][ T0] tick_nohz_next_event+0x217/0x300 [ 42.631943][ T0] tick_nohz_get_sleep_length+0x121/0x270 [ 42.638311][ T0] menu_select+0x2fa/0xf40 [ 42.643226][ T0] cpuidle_select+0x3d/0x50 [ 42.648091][ T0] do_idle+0x15f/0x230 [ 42.652561][ T0] cpu_startup_entry+0x15/0x20 [ 42.657877][ T0] rest_init+0xd7/0xe0 [ 42.662416][ T0] arch_call_rest_init+0xa/0xb [ 42.668703][ T0] start_kernel+0x59b/0x620 [ 42.674159][ T0] secondary_startup_64_no_verify+0xb0/0xbb [ 42.680546][ T0] [ 42.683050][ T0] Reported by Kernel Concurrency Sanitizer on: [ 42.691243][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.11.0-rc3-syzkaller #0 [ 42.699509][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.710700][ T0] ================================================================== [ 42.719684][ T0] Kernel panic - not syncing: panic_on_warn set ... [ 42.726881][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.11.0-rc3-syzkaller #0 [ 42.737854][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.748525][ T0] Call Trace: [ 42.752257][ T0] dump_stack+0x116/0x15d [ 42.756899][ T0] panic+0x1e7/0x5fa [ 42.761149][ T0] ? vprintk_emit+0x2e2/0x360 [ 42.766284][ T0] kcsan_report+0x67b/0x680 [ 42.771494][ T0] ? kcsan_setup_watchpoint+0x47b/0x4e0 [ 42.777572][ T0] ? tick_nohz_next_event+0x217/0x300 [ 42.783790][ T0] ? tick_nohz_get_sleep_length+0x121/0x270 [ 42.793377][ T0] ? menu_select+0x2fa/0xf40 [ 42.798362][ T0] ? cpuidle_select+0x3d/0x50 [ 42.803783][ T0] ? do_idle+0x15f/0x230 [ 42.808108][ T0] ? cpu_startup_entry+0x15/0x20 [ 42.813690][ T0] ? rest_init+0xd7/0xe0 [ 42.818771][ T0] ? arch_call_rest_init+0xa/0xb [ 42.824362][ T0] ? start_kernel+0x59b/0x620 [ 42.829346][ T0] ? secondary_startup_64_no_verify+0xb0/0xbb [ 42.835615][ T0] ? ktime_get+0x1b0/0x1e0 [ 42.840124][ T0] ? _raw_spin_lock_irqsave+0x25/0x90 [ 42.846137][ T0] kcsan_setup_watchpoint+0x47b/0x4e0 [ 42.851707][ T0] tick_nohz_next_event+0x217/0x300 [ 42.857419][ T0] tick_nohz_get_sleep_length+0x121/0x270 [ 42.864168][ T0] menu_select+0x2fa/0xf40 [ 42.869016][ T0] ? _raw_spin_unlock_irq+0x22/0x40 [ 42.874396][ T0] ? finish_task_switch+0xc0/0x2a0 [ 42.880371][ T0] cpuidle_select+0x3d/0x50 [ 42.885178][ T0] do_idle+0x15f/0x230 [ 42.889439][ T0] cpu_startup_entry+0x15/0x20 [ 42.895322][ T0] rest_init+0xd7/0xe0 [ 42.899477][ T0] ? time_init+0xc/0xc [ 42.903543][ T0] arch_call_rest_init+0xa/0xb [ 42.908688][ T0] start_kernel+0x59b/0x620 [ 42.913544][ T0] secondary_startup_64_no_verify+0xb0/0xbb [ 42.920488][ T0] Kernel Offset: disabled [ 42.924948][ T0] Rebooting in 86400 seconds..