Warning: Permanently added '10.128.10.59' (ECDSA) to the list of known hosts. 2020/03/26 00:44:23 fuzzer started 2020/03/26 00:44:24 dialing manager at 10.128.0.105:35803 2020/03/26 00:44:24 syscalls: 2955 2020/03/26 00:44:24 code coverage: enabled 2020/03/26 00:44:24 comparison tracing: enabled 2020/03/26 00:44:24 extra coverage: enabled 2020/03/26 00:44:24 setuid sandbox: enabled 2020/03/26 00:44:24 namespace sandbox: enabled 2020/03/26 00:44:24 Android sandbox: /sys/fs/selinux/policy does not exist 2020/03/26 00:44:24 fault injection: enabled 2020/03/26 00:44:24 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/03/26 00:44:24 net packet injection: enabled 2020/03/26 00:44:24 net device setup: enabled 2020/03/26 00:44:24 concurrency sanitizer: enabled 2020/03/26 00:44:24 devlink PCI setup: PCI device 0000:00:10.0 is not available [ 57.392002][ T7851] KCSAN: could not find function: '_find_next_bit' [ 58.739211][ T7851] KCSAN: could not find function: '__follow_mount_rcu' 2020/03/26 00:44:29 adding functions to KCSAN blacklist: 'ktime_get_real_seconds' 'futex_wait_queue_me' '__add_to_page_cache_locked' 'find_get_pages_range_tag' 'do_exit' '_find_next_bit' 'blk_mq_get_request' 'run_timer_softirq' 'xas_clear_mark' 'atime_needs_update' 'wbt_issue' 'kauditd_thread' '__follow_mount_rcu' 'ep_poll' '__ext4_new_inode' 'lruvec_lru_size' 'add_timer' 'dd_has_work' 'audit_log_start' 'copy_process' 'mod_timer' 'tick_sched_do_timer' 'blk_mq_run_hw_queue' 'wbt_done' 'blk_mq_sched_dispatch_requests' '__filemap_fdatawrite_range' 'kcm_rfree' 'inode_permission' 'blk_mq_dispatch_rq_list' 'do_nanosleep' 'generic_file_read_iter' '__delete_from_page_cache' '__snd_rawmidi_transmit_ack' 'generic_write_end' 'ext4_free_inodes_count' 'ext4_da_write_end' 'inotify_handle_event' 'do_syslog' 'pcpu_alloc' 'ext4_nonda_switch' '__writeback_single_inode' [ 63.746182][ T0] ================================================================== [ 63.754515][ T0] BUG: KCSAN: data-race in tick_nohz_idle_stop_tick / tick_nohz_next_event [ 63.765177][ T0] [ 63.767490][ T0] write to 0xffffffff85d056d0 of 4 bytes by task 0 on cpu 0: [ 63.774889][ T0] tick_nohz_idle_stop_tick+0x52c/0x680 [ 63.780849][ T0] do_idle+0x1ad/0x290 [ 63.785255][ T0] cpu_startup_entry+0x14/0x20 [ 63.790023][ T0] rest_init+0xe4/0xeb [ 63.794174][ T0] arch_call_rest_init+0x13/0x2b [ 63.799271][ T0] start_kernel+0xcc2/0xceb [ 63.803950][ T0] secondary_startup_64+0xa4/0xb0 [ 63.808979][ T0] [ 63.811295][ T0] read to 0xffffffff85d056d0 of 4 bytes by task 0 on cpu 1: [ 63.818579][ T0] tick_nohz_next_event+0x192/0x350 [ 63.823845][ T0] tick_nohz_idle_stop_tick+0x3b9/0x680 [ 63.829411][ T0] do_idle+0x1ad/0x290 [ 63.833481][ T0] cpu_startup_entry+0x14/0x20 [ 63.838225][ T0] start_secondary+0x164/0x1b0 [ 63.842976][ T0] secondary_startup_64+0xa4/0xb0 [ 63.848060][ T0] [ 63.850369][ T0] Reported by Kernel Concurrency Sanitizer on: [ 63.856611][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.6.0-rc1-syzkaller #0 [ 63.864491][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.876220][ T0] ================================================================== [ 63.884542][ T0] Kernel panic - not syncing: panic_on_warn set ... [ 63.891579][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.6.0-rc1-syzkaller #0 [ 63.899852][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.909907][ T0] Call Trace: [ 63.913231][ T0] dump_stack+0x11d/0x187 [ 63.917631][ T0] panic+0x210/0x640 [ 63.921853][ T0] ? vprintk_func+0x89/0x13a [ 63.926660][ T0] kcsan_report.cold+0xc/0xf [ 63.931719][ T0] kcsan_setup_watchpoint+0x3fb/0x440 [ 63.938946][ T0] tick_nohz_next_event+0x192/0x350 [ 63.944160][ T0] tick_nohz_idle_stop_tick+0x3b9/0x680 [ 63.949712][ T0] ? ktime_get+0x1c9/0x210 [ 63.954132][ T0] ? debug_smp_processor_id+0x3f/0x129 [ 63.959617][ T0] do_idle+0x1ad/0x290 [ 63.963709][ T0] cpu_startup_entry+0x14/0x20 [ 63.968534][ T0] start_secondary+0x164/0x1b0 [ 63.973343][ T0] secondary_startup_64+0xa4/0xb0 [ 63.979715][ T0] Kernel Offset: disabled [ 63.984052][ T0] Rebooting in 86400 seconds..