Warning: Permanently added '10.128.1.101' (ECDSA) to the list of known hosts. 2021/03/31 22:02:29 fuzzer started 2021/03/31 22:02:29 dialing manager at 10.128.0.163:39503 2021/03/31 22:02:29 syscalls: 3557 2021/03/31 22:02:29 code coverage: enabled 2021/03/31 22:02:29 comparison tracing: enabled 2021/03/31 22:02:29 extra coverage: enabled 2021/03/31 22:02:29 setuid sandbox: enabled 2021/03/31 22:02:29 namespace sandbox: enabled 2021/03/31 22:02:29 Android sandbox: /sys/fs/selinux/policy does not exist 2021/03/31 22:02:29 fault injection: enabled 2021/03/31 22:02:29 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/03/31 22:02:29 net packet injection: enabled 2021/03/31 22:02:29 net device setup: enabled 2021/03/31 22:02:29 concurrency sanitizer: enabled 2021/03/31 22:02:29 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/03/31 22:02:29 USB emulation: enabled 2021/03/31 22:02:29 hci packet injection: enabled 2021/03/31 22:02:29 wifi device emulation: enabled 2021/03/31 22:02:29 802.15.4 emulation: enabled 2021/03/31 22:02:32 suppressing KCSAN reports in functions: 'ext4_mb_regular_allocator' 'ext4_alloc_file_blocks' 'ext4_ext_try_to_merge_right' 'dd_has_work' 'audit_log_start' 'xas_clear_mark' 'ext4_free_inodes_count' 'dput' 'n_tty_receive_buf_common' 'expire_timers' 'vfs_fsync_range' 'blk_mq_rq_ctx_init' '__mod_timer' '__mark_inode_dirty' 'ext4_mark_iloc_dirty' 'kauditd_thread' 'step_into' 'ext4_mb_good_group' 'do_nanosleep' 'blk_mq_sched_dispatch_requests' '__send_signal' 'generic_write_end' 'ext4_free_inode' '__process_echoes' 'do_select' 'wbt_issue' '__delete_from_page_cache' '_prb_read_valid' 'futex_wait_queue_me' 'do_signal_stop' 'xas_find_marked' '__filemap_fdatawrite_range' '__add_to_page_cache_locked' 'do_sys_poll' 'shmem_mknod' 'blk_mq_dispatch_rq_list' '__ext4_new_inode' 'lru_add_drain_all' '__dentry_kill' 'alloc_pid' 'pcpu_alloc' 'lookup_fast' 'ext4_writepages' '__xa_clear_mark' 2021/03/31 22:02:32 fetching corpus: 0, signal 0/2000 (executing program) 2021/03/31 22:02:32 fetching corpus: 49, signal 24376/28206 (executing program) syzkaller login: [ 32.958866][ T0] ================================================================== [ 32.967655][ T0] BUG: KCSAN: data-race in tick_nohz_next_event / tick_sched_timer [ 32.975573][ T0] [ 32.977908][ T0] write to 0xffffffff87bb65e0 of 4 bytes by interrupt on cpu 0: [ 32.985550][ T0] tick_sched_timer+0x1f5/0x210 [ 32.990594][ T0] __run_hrtimer+0x163/0x460 [ 32.995294][ T0] hrtimer_interrupt+0x380/0xaf0 [ 33.000510][ T0] __sysvec_apic_timer_interrupt+0x6f/0x200 [ 33.006707][ T0] sysvec_apic_timer_interrupt+0x32/0x80 [ 33.012367][ T0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 33.018360][ T0] [ 33.020727][ T0] read to 0xffffffff87bb65e0 of 4 bytes by task 0 on cpu 1: [ 33.028146][ T0] tick_nohz_next_event+0x217/0x300 [ 33.033500][ T0] tick_nohz_get_sleep_length+0x121/0x280 [ 33.039220][ T0] menu_select+0x2f6/0x1000 [ 33.043750][ T0] cpuidle_select+0x3d/0x50 [ 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