Warning: Permanently added '10.128.0.45' (ECDSA) to the list of known hosts. 2019/10/25 12:21:31 fuzzer started 2019/10/25 12:21:33 dialing manager at 10.128.0.105:33971 2019/10/25 12:21:35 syscalls: 2529 2019/10/25 12:21:35 code coverage: enabled 2019/10/25 12:21:35 comparison tracing: enabled 2019/10/25 12:21:35 extra coverage: extra coverage is not supported by the kernel 2019/10/25 12:21:35 setuid sandbox: enabled 2019/10/25 12:21:35 namespace sandbox: enabled 2019/10/25 12:21:35 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/25 12:21:35 fault injection: enabled 2019/10/25 12:21:35 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/25 12:21:35 net packet injection: enabled 2019/10/25 12:21:35 net device setup: enabled 2019/10/25 12:21:35 concurrency sanitizer: enabled [ 54.764778][ T7238] KCSAN: could not find function: 'poll_schedule_timeout' 2019/10/25 12:21:46 adding functions to KCSAN blacklist: 'find_next_bit' 'rcu_gp_fqs_check_wake' 'update_defense_level' 'tick_nohz_idle_stop_tick' 'rcu_gp_fqs_loop' 'ext4_free_inode' 'echo_char' 'mod_timer' '__alloc_file' 'do_nanosleep' 'dd_has_work' '__dev_queue_xmit' 'futex_wait_queue_me' 'ext4_setattr' '__nf_ct_refresh_acct' 'blk_mq_dispatch_rq_list' 'osq_lock' 'ext4_has_free_clusters' '__hrtimer_run_queues' 'ep_poll' 'tcp_poll' 'generic_fillattr' 'task_dump_owner' 'poll_schedule_timeout' 'ktime_get_seconds' 'datagram_poll' '__filemap_fdatawrite_range' 'vm_area_dup' 'tomoyo_supervisor' '__ext4_new_inode' 'blk_mq_get_request' 'shmem_file_read_iter' '__snd_rawmidi_transmit_ack' 'ktime_get_real_seconds' 'pipe_poll' 'atime_needs_update' 'process_srcu' 'blk_mq_run_hw_queue' 'af_alg_sendmsg' 'generic_permission' 'run_timer_softirq' 'ext4_free_inodes_count' 'tcp_add_backlog' 'tick_do_update_jiffies64' 'find_get_pages_range_tag' 'pipe_wait' '__tcp_select_window' 'generic_write_end' 'pid_update_inode' 'taskstats_exit' 'tick_sched_do_timer' 'xas_find_marked' [ 122.748589][ T7223] ================================================================== [ 122.756871][ T7223] BUG: KCSAN: data-race in hrtimer_wakeup / schedule_hrtimeout_range_clock [ 122.765483][ T7223] [ 122.767792][ T7223] write to 0xffffc90000fcf848 of 8 bytes by interrupt on cpu 0: [ 122.775416][ T7223] hrtimer_wakeup+0x32/0x60 [ 122.779899][ T7223] __hrtimer_run_queues+0x288/0x600 [ 122.785077][ T7223] hrtimer_interrupt+0x22a/0x480 [ 122.790008][ T7223] smp_apic_timer_interrupt+0xdc/0x280 [ 122.795461][ T7223] apic_timer_interrupt+0xf/0x20 [ 122.800389][ T7223] native_safe_halt+0xe/0x10 [ 122.804965][ T7223] arch_cpu_idle+0x1f/0x30 [ 122.809370][ T7223] default_idle_call+0x1e/0x40 [ 122.814123][ T7223] do_idle+0x1af/0x280 [ 122.818188][ T7223] cpu_startup_entry+0x1b/0x20 [ 122.822934][ T7223] rest_init+0xec/0xf6 [ 122.826989][ T7223] arch_call_rest_init+0x17/0x37 [ 122.831925][ T7223] start_kernel+0x838/0x85e [ 122.836430][ T7223] x86_64_start_reservations+0x29/0x2b [ 122.841868][ T7223] [ 122.844188][ T7223] read to 0xffffc90000fcf848 of 8 bytes by task 7223 on cpu 1: [ 122.851719][ T7223] schedule_hrtimeout_range_clock+0x109/0x1e0 [ 122.857776][ T7223] schedule_hrtimeout_range+0x34/0x50 [ 122.863153][ T7223] poll_schedule_timeout.constprop.0+0x75/0xc0 [ 122.869299][ T7223] do_select+0xd7f/0x1020 [ 122.873624][ T7223] core_sys_select+0x381/0x550 [ 122.878382][ T7223] do_pselect.constprop.0+0x11d/0x160 [ 122.883757][ T7223] __x64_sys_pselect6+0x12e/0x170 [ 122.888795][ T7223] do_syscall_64+0xcc/0x370 [ 122.893287][ T7223] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 122.899170][ T7223] [ 122.901486][ T7223] Reported by Kernel Concurrency Sanitizer on: [ 122.907643][ T7223] CPU: 1 PID: 7223 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0 [ 122.915080][ T7223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 122.925123][ T7223] ================================================================== [ 122.933166][ T7223] Kernel panic - not syncing: panic_on_warn set ... [ 122.939755][ T7223] CPU: 1 PID: 7223 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0 [ 122.947200][ T7223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 122.957236][ T7223] Call Trace: [ 122.960519][ T7223] dump_stack+0xf5/0x159 [ 122.964755][ T7223] panic+0x210/0x640 [ 122.968639][ T7223] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 122.974695][ T7223] ? vprintk_func+0x8d/0x140 [ 122.979277][ T7223] kcsan_report.cold+0xc/0x10 [ 122.983962][ T7223] __kcsan_setup_watchpoint+0x32e/0x4a0 [ 122.989499][ T7223] __tsan_read8+0x2c/0x30 [ 122.993820][ T7223] schedule_hrtimeout_range_clock+0x109/0x1e0 [ 122.999878][ T7223] ? hrtimer_active+0x1a0/0x1a0 [ 123.004723][ T7223] schedule_hrtimeout_range+0x34/0x50 [ 123.010087][ T7223] poll_schedule_timeout.constprop.0+0x75/0xc0 [ 123.016232][ T7223] do_select+0xd7f/0x1020 [ 123.020554][ T7223] ? __kcsan_setup_watchpoint+0x6b/0x4a0 [ 123.026284][ T7223] ? __kcsan_setup_watchpoint+0x6b/0x4a0 [ 123.031909][ T7223] ? __kcsan_setup_watchpoint+0x6b/0x4a0 [ 123.037550][ T7223] ? __tsan_write8+0x32/0x40 [ 123.042128][ T7223] ? rb_erase+0x2aa/0x990 [ 123.046446][ T7223] ? __tsan_read8+0x2c/0x30 [ 123.050938][ T7223] ? __tsan_read8+0x2c/0x30 [ 123.055428][ T7223] ? _raw_spin_unlock_irqrestore+0x70/0x80 [ 123.061222][ T7223] ? hrtimer_try_to_cancel+0x57/0x260 [ 123.066585][ T7223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 123.072815][ T7223] ? debug_smp_processor_id+0x4c/0x172 [ 123.078260][ T7223] ? delay_tsc+0x8f/0xc0 [ 123.082494][ T7223] ? __const_udelay+0x36/0x40 [ 123.087155][ T7223] ? __udelay+0x10/0x20 [ 123.091302][ T7223] ? __kcsan_setup_watchpoint+0x6b/0x4a0 [ 123.096926][ T7223] ? __rcu_read_unlock+0x66/0x3c0 [ 123.101941][ T7223] core_sys_select+0x381/0x550 [ 123.106700][ T7223] ? __tsan_read8+0x2c/0x30 [ 123.111193][ T7223] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 123.116899][ T7223] ? __kcsan_setup_watchpoint+0x6b/0x4a0 [ 123.122515][ T7223] ? _copy_to_user+0x84/0xb0 [ 123.127121][ T7223] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 123.133003][ T7223] ? __tsan_write8+0x32/0x40 [ 123.137584][ T7223] ? ktime_get_ts64+0x286/0x2c0 [ 123.142448][ T7223] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 123.148156][ T7223] ? timespec64_add_safe+0xae/0xd0 [ 123.153259][ T7223] do_pselect.constprop.0+0x11d/0x160 [ 123.158641][ T7223] __x64_sys_pselect6+0x12e/0x170 [ 123.163656][ T7223] ? switch_fpu_return+0x11f/0x250 [ 123.168760][ T7223] do_syscall_64+0xcc/0x370 [ 123.173253][ T7223] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 123.179140][ T7223] RIP: 0033:0x45ac23 [ 123.183027][ T7223] Code: 48 89 44 24 08 bf 00 00 00 00 be 00 00 00 00 ba 00 00 00 00 41 ba 00 00 00 00 49 89 e0 41 b9 00 00 00 00 b8 0e 01 00 00 0f 05 <48> 8b 6c 24 10 48 83 c4 18 c3 cc cc cc b8 ba 00 00 00 0f 05 89 44 [ 123.202619][ T7223] RSP: 002b:000000c42004ff08 EFLAGS: 00000202 ORIG_RAX: 000000000000010e [ 123.211019][ T7223] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045ac23 [ 123.218996][ T7223] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 123.226953][ T7223] RBP: 000000c42004ff18 R08: 000000c42004ff08 R09: 0000000000000000 [ 123.234997][ T7223] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000042f0a0 [ 123.242958][ T7223] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 123.252229][ T7223] Kernel Offset: disabled [ 123.256602][ T7223] Rebooting in 86400 seconds..