Warning: Permanently added '10.128.0.172' (ECDSA) to the list of known hosts. 2019/12/04 21:26:59 fuzzer started 2019/12/04 21:27:00 dialing manager at 10.128.0.105:44241 2019/12/04 21:27:22 syscalls: 2684 2019/12/04 21:27:22 code coverage: enabled 2019/12/04 21:27:22 comparison tracing: enabled 2019/12/04 21:27:22 extra coverage: extra coverage is not supported by the kernel 2019/12/04 21:27:22 setuid sandbox: enabled 2019/12/04 21:27:22 namespace sandbox: enabled 2019/12/04 21:27:22 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 21:27:22 fault injection: enabled 2019/12/04 21:27:22 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 21:27:22 net packet injection: enabled 2019/12/04 21:27:22 net device setup: enabled 2019/12/04 21:27:22 concurrency sanitizer: enabled 2019/12/04 21:27:22 devlink PCI setup: PCI device 0000:00:10.0 is not available syzkaller login: [ 89.848611][ T7582] KCSAN: could not find function: 'poll_schedule_timeout' [ 91.809950][ T7582] KCSAN: could not find function: 'calc_wb_limits' 2019/12/04 21:27:36 adding functions to KCSAN blacklist: 'page_counter_try_charge' 'kauditd_thread' 'mm_update_next_owner' 'tick_sched_do_timer' 'add_timer' 'n_tty_receive_buf_common' 'pipe_wait' 'xas_find_marked' 'handle_mm_fault' 'find_next_bit' 'pcpu_alloc' 'unix_release_sock' 'mod_timer' '__hrtimer_run_queues' 'pid_update_inode' 'fprop_fraction_percpu' '__snd_rawmidi_transmit_ack' 'vm_area_dup' '__delete_from_page_cache' 'del_timer' 'tomoyo_supervisor' 'd_delete' 'ext4_da_write_end' 'blk_mq_dispatch_rq_list' 'ext4_has_free_clusters' 'blk_mq_get_request' 'sit_tunnel_xmit' 'common_perm_cond' 'ktime_get_real_seconds' 'ext4_mark_iloc_dirty' '__ext4_new_inode' 'snd_rawmidi_kernel_write1' 'ipip_tunnel_xmit' '__rb_insert_augmented' '__filemap_fdatawrite_range' 'do_syslog' '__dentry_kill' 'wbt_done' 'futex_wait_queue_me' 'shmem_getpage_gfp' 'atime_needs_update' 'free_pid' 'find_get_pages_range_tag' 'mem_cgroup_select_victim_node' 'process_srcu' 'pipe_poll' 'dd_has_work' 'ext4_nonda_switch' 'sctp_assoc_migrate' 'tomoyo_check_path_acl' 'audit_log_start' '__mark_inode_dirty' '__fsnotify_parent' '__splice_from_pipe' 'echo_char' 'tcp_add_backlog' 'ext4_mb_good_group' 'alloc_empty_file' 'blk_mq_run_hw_queue' 'rcu_gp_fqs_check_wake' 'tick_do_update_jiffies64' 'lruvec_lru_size' 'p9_poll_workfn' 'ep_poll' 'poll_schedule_timeout' '__writeback_single_inode' 'mmap_region' 'ext4_free_inodes_count' 'taskstats_exit' 'copy_process' 'do_nanosleep' 'xas_clear_mark' 'calc_wb_limits' 'generic_fillattr' 'generic_write_end' 'ext4_free_inode' 'do_exit' 'tick_nohz_idle_stop_tick' 'do_signal_stop' 'timer_clear_idle' 'rcu_gp_fqs_loop' 'run_timer_softirq' [ 311.264470][ C0] ================================================================== [ 311.275907][ C0] BUG: KCSAN: data-race in hrtimer_wakeup / schedule_hrtimeout_range_clock [ 311.284582][ C0] [ 311.286903][ C0] read to 0xffffc90001657848 of 8 bytes by task 7567 on cpu 1: [ 311.294526][ C0] schedule_hrtimeout_range_clock+0x109/0x1e0 [ 311.300610][ C0] schedule_hrtimeout_range+0x34/0x50 [ 311.305971][ C0] poll_schedule_timeout.constprop.0+0x75/0xc0 [ 311.312546][ C0] do_select+0xd7f/0x1020 [ 311.316872][ C0] core_sys_select+0x381/0x550 [ 311.321628][ C0] do_pselect.constprop.0+0x11d/0x160 [ 311.326993][ C0] __x64_sys_pselect6+0x12e/0x170 [ 311.332011][ C0] do_syscall_64+0xcc/0x370 [ 311.336506][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 311.342371][ C0] [ 311.344690][ C0] write to 0xffffc90001657848 of 8 bytes by interrupt on cpu 0: [ 311.352309][ C0] hrtimer_wakeup+0x32/0x60 [ 311.356856][ C0] __hrtimer_run_queues+0x274/0x5f0 [ 311.362207][ C0] hrtimer_interrupt+0x22a/0x480 [ 311.367138][ C0] smp_apic_timer_interrupt+0xdc/0x280 [ 311.372590][ C0] apic_timer_interrupt+0xf/0x20 [ 311.377621][ C0] native_safe_halt+0xe/0x10 [ 311.382237][ C0] arch_cpu_idle+0xa/0x10 [ 311.386604][ C0] default_idle_call+0x1e/0x40 [ 311.391397][ C0] do_idle+0x1af/0x280 [ 311.395495][ C0] cpu_startup_entry+0x1b/0x20 [ 311.400807][ C0] rest_init+0xec/0xf6 [ 311.404870][ C0] arch_call_rest_init+0x17/0x37 [ 311.410116][ C0] start_kernel+0x838/0x85e [ 311.414753][ C0] x86_64_start_reservations+0x29/0x2b [ 311.420195][ C0] x86_64_start_kernel+0x72/0x76 [ 311.425120][ C0] secondary_startup_64+0xa4/0xb0 [ 311.430236][ C0] [ 311.432584][ C0] Reported by Kernel Concurrency Sanitizer on: [ 311.438857][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.0-syzkaller #0 [ 311.446384][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 311.456713][ C0] ================================================================== [ 311.464758][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 311.471330][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.0-syzkaller #0 [ 311.478851][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 311.488889][ C0] Call Trace: [ 311.492182][ C0] [ 311.495057][ C0] dump_stack+0x11d/0x181 [ 311.499382][ C0] panic+0x210/0x640 [ 311.503271][ C0] ? vprintk_func+0x8d/0x140 [ 311.507845][ C0] kcsan_report.cold+0xc/0xd [ 311.512418][ C0] kcsan_setup_watchpoint+0x3fe/0x460 [ 311.517771][ C0] __tsan_unaligned_write8+0xc4/0x100 [ 311.523134][ C0] hrtimer_wakeup+0x32/0x60 [ 311.527636][ C0] __hrtimer_run_queues+0x274/0x5f0 [ 311.532960][ C0] ? hrtimer_active+0x1a0/0x1a0 [ 311.539634][ C0] hrtimer_interrupt+0x22a/0x480 [ 311.544648][ C0] ? sched_clock+0x13/0x20 [ 311.549057][ C0] smp_apic_timer_interrupt+0xdc/0x280 [ 311.554501][ C0] apic_timer_interrupt+0xf/0x20 [ 311.559418][ C0] [ 311.562342][ C0] RIP: 0010:native_safe_halt+0xe/0x10 [ 311.567801][ C0] Code: 90 90 90 90 90 90 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d 7c ad 48 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 6c ad 48 00 fb f4 90 55 48 89 e5 41 55 41 54 53 e8 42 6d 9f fc e8 7d 1a b5 fd 0f [ 311.587491][ C0] RSP: 0018:ffffffff85a03df8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 311.596067][ C0] RAX: 0000000000000000 RBX: ffffffff85a2b780 RCX: ffffffff824ee309 [ 311.604019][ C0] RDX: 0000000000000000 RSI: ffffffff824ee317 RDI: 0000000000000005 [ 311.612142][ C0] RBP: ffffffff85a03e18 R08: ffffffff85a2b780 R09: 0000ffff857d2160 [ 311.620245][ C0] R10: 0000000000000000 R11: 0000ffff857d2167 R12: 0000000000000000 [ 311.628343][ C0] R13: ffffffff85a2b780 R14: 0000000000000000 R15: 0000000000000000 [ 311.636325][ C0] ? debug_smp_processor_id+0x39/0x172 [ 311.641766][ C0] ? debug_smp_processor_id+0x47/0x172 [ 311.647211][ C0] ? default_idle+0x26/0x180 [ 311.651792][ C0] arch_cpu_idle+0xa/0x10 [ 311.656118][ C0] default_idle_call+0x1e/0x40 [ 311.660867][ C0] do_idle+0x1af/0x280 [ 311.664964][ C0] ? do_idle+0xe7/0x280 [ 311.669164][ C0] cpu_startup_entry+0x1b/0x20 [ 311.673906][ C0] rest_init+0xec/0xf6 [ 311.677961][ C0] ? trace_event_define_fields_vector_free_moved+0xb4/0xb4 [ 311.685134][ C0] arch_call_rest_init+0x17/0x37 [ 311.690072][ C0] start_kernel+0x838/0x85e [ 311.694569][ C0] x86_64_start_reservations+0x29/0x2b [ 311.700017][ C0] x86_64_start_kernel+0x72/0x76 [ 311.704979][ C0] secondary_startup_64+0xa4/0xb0 [ 311.711881][ C0] Kernel Offset: disabled [ 311.716221][ C0] Rebooting in 86400 seconds..