Warning: Permanently added '10.128.1.61' (ECDSA) to the list of known hosts. 2019/12/31 13:52:57 fuzzer started 2019/12/31 13:52:59 dialing manager at 10.128.0.105:41975 2019/12/31 13:52:59 syscalls: 2699 2019/12/31 13:52:59 code coverage: enabled 2019/12/31 13:52:59 comparison tracing: enabled 2019/12/31 13:52:59 extra coverage: enabled 2019/12/31 13:52:59 setuid sandbox: enabled 2019/12/31 13:52:59 namespace sandbox: enabled 2019/12/31 13:52:59 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/31 13:52:59 fault injection: enabled 2019/12/31 13:52:59 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/31 13:52:59 net packet injection: enabled 2019/12/31 13:52:59 net device setup: enabled 2019/12/31 13:52:59 concurrency sanitizer: enabled 2019/12/31 13:52:59 devlink PCI setup: PCI device 0000:00:10.0 is not available syzkaller login: [ 66.491158][ T7895] KCSAN: could not find function: 'poll_schedule_timeout' 2019/12/31 13:53:09 adding functions to KCSAN blacklist: 'timer_clear_idle' 'n_tty_receive_buf_common' 'wbt_done' 'ktime_get_real_seconds' '__rb_insert_augmented' 'find_get_pages_range_tag' 'do_exit' '__delete_from_page_cache' 'tomoyo_supervisor' 'blk_mq_get_request' 'generic_write_end' 'do_try_to_free_pages' 'd_instantiate_new' '__filemap_fdatawrite_range' 'ip_tunnel_xmit' '__find_get_block' 'blk_mq_sched_dispatch_requests' 'poll_schedule_timeout' 'add_timer' 'blk_mq_dispatch_rq_list' 'process_srcu' '__hrtimer_run_queues' 'iomap_dio_bio_actor' 'list_lru_count_one' '__snd_rawmidi_transmit_ack' 'virtqueue_disable_cb' 'shmem_file_read_iter' '__rcu_read_unlock' 'd_delete' '__writeback_single_inode' 'find_next_bit' '__ext4_new_inode' 'ext4_free_inodes_count' 'generic_file_read_iter' 'run_timer_softirq' 'lruvec_lru_size' 'ext4_has_free_clusters' 'ext4_set_iomap' 'futex_wait_queue_me' 'rcu_gp_fqs_loop' 'tick_sched_do_timer' 'complete_signal' 'ext4_mb_good_group' 'mod_timer' 'do_nanosleep' 'copy_process' 'vm_area_dup' 'ext4_nonda_switch' 'pcpu_alloc' 'ext4_mark_iloc_dirty' 'commit_echoes' 'rcu_gp_fqs_check_wake' 'generic_fillattr' 'ext4_free_inode' 'pipe_double_lock' 'blk_mq_run_hw_queue' 'audit_log_start' 'tick_nohz_idle_stop_tick' 'do_syslog' 'taskstats_exit' 'bd_set_size' 'do_signal_stop' 'echo_char' 'tick_do_update_jiffies64' 'tick_nohz_next_event' 'atime_needs_update' 'page_counter_try_charge' 'mm_update_next_owner' 'kauditd_thread' 'xas_find_marked' 'fasync_remove_entry' 'ep_poll' 'sit_tunnel_xmit' 'ext4_da_write_end' 'xas_clear_mark' 'dd_has_work' 13:55:37 executing program 0: 13:55:37 executing program 1: [ 221.422477][ T7897] IPVS: ftp: loaded support on port[0] = 21 [ 221.496753][ T7897] chnl_net:caif_netlink_parms(): no params data found [ 221.527173][ T7897] bridge0: port 1(bridge_slave_0) entered blocking state [ 221.534393][ T7897] bridge0: port 1(bridge_slave_0) entered disabled state [ 221.542949][ T7897] device bridge_slave_0 entered promiscuous mode [ 221.551350][ T7897] bridge0: port 2(bridge_slave_1) entered blocking state [ 221.558738][ T7897] bridge0: port 2(bridge_slave_1) entered disabled state [ 221.567243][ T7897] device bridge_slave_1 entered promiscuous mode [ 221.586956][ T7897] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 221.597445][ T7897] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 221.617815][ T7897] team0: Port device team_slave_0 added [ 221.624518][ T7897] team0: Port device team_slave_1 added [ 221.727862][ T7897] device hsr_slave_0 entered promiscuous mode [ 221.752436][ T7881] ================================================================== [ 221.760573][ T7881] BUG: KCSAN: data-race in tomoyo_domain_quota_is_ok / tomoyo_merge_path_acl [ 221.769330][ T7881] [ 221.771661][ T7881] write to 0xffff8880b7fe581a of 2 bytes by task 7892 on cpu 1: [ 221.779382][ T7881] tomoyo_merge_path_acl+0x6c/0xa0 [ 221.784502][ T7881] tomoyo_update_domain+0x323/0x450 [ 221.789881][ T7881] tomoyo_write_file+0x34e/0x580 [ 221.794821][ T7881] tomoyo_write_domain2+0xad/0x120 [ 221.799932][ T7881] tomoyo_supervisor+0xad7/0xd20 [ 221.804877][ T7881] tomoyo_path_permission+0x121/0x160 [ 221.810250][ T7881] tomoyo_check_open_permission+0x2b9/0x320 [ 221.816163][ T7881] tomoyo_file_open+0x75/0x90 [ 221.820843][ T7881] security_file_open+0x69/0x210 [ 221.825790][ T7881] do_dentry_open+0x211/0x970 [ 221.830557][ T7881] vfs_open+0x62/0x80 [ 221.834539][ T7881] path_openat+0xf9f/0x3580 [ 221.839037][ T7881] do_filp_open+0x11e/0x1b0 [ 221.843538][ T7881] do_sys_open+0x3b3/0x4f0 [ 221.847956][ T7881] __x64_sys_openat+0x62/0x80 [ 221.852641][ T7881] do_syscall_64+0xcc/0x3a0 [ 221.857159][ T7881] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 221.863036][ T7881] [ 221.865392][ T7881] read to 0xffff8880b7fe581a of 2 bytes by task 7881 on cpu 0: [ 221.872942][ T7881] tomoyo_domain_quota_is_ok+0x29c/0x2b0 [ 221.878574][ T7881] tomoyo_supervisor+0x22b/0xd20 [ 221.883519][ T7881] tomoyo_path_number_perm+0x323/0x3c0 [ 221.888979][ T7881] tomoyo_path_chmod+0x2f/0x40 [ 221.893746][ T7881] security_path_chmod+0xac/0xe0 [ 221.898685][ T7881] chmod_common+0xe0/0x2d0 [ 221.903100][ T7881] do_fchmodat+0x7a/0x100 [ 221.907426][ T7881] __x64_sys_fchmodat+0x4d/0x60 [ 221.912283][ T7881] do_syscall_64+0xcc/0x3a0 [ 221.916797][ T7881] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 221.922675][ T7881] [ 221.924998][ T7881] Reported by Kernel Concurrency Sanitizer on: [ 221.931159][ T7881] CPU: 0 PID: 7881 Comm: syz-fuzzer Not tainted 5.5.0-rc1-syzkaller #0 [ 221.939398][ T7881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 221.949483][ T7881] ================================================================== [ 221.957548][ T7881] Kernel panic - not syncing: panic_on_warn set ... [ 221.964142][ T7881] CPU: 0 PID: 7881 Comm: syz-fuzzer Not tainted 5.5.0-rc1-syzkaller #0 [ 221.972373][ T7881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 221.982508][ T7881] Call Trace: [ 221.985922][ T7881] dump_stack+0x11d/0x181 [ 221.990268][ T7881] panic+0x210/0x640 [ 221.994171][ T7881] ? vprintk_func+0x8d/0x140 [ 221.998762][ T7881] kcsan_report.cold+0xc/0xd [ 222.003366][ T7881] kcsan_setup_watchpoint+0x3fe/0x460 [ 222.008745][ T7881] __tsan_read2+0xc6/0x100 [ 222.013171][ T7881] tomoyo_domain_quota_is_ok+0x29c/0x2b0 [ 222.018810][ T7881] tomoyo_supervisor+0x22b/0xd20 [ 222.023769][ T7881] tomoyo_path_number_perm+0x323/0x3c0 [ 222.029262][ T7881] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 222.035164][ T7881] ? __read_once_size+0x5a/0xe0 [ 222.040018][ T7881] tomoyo_path_chmod+0x2f/0x40 [ 222.044787][ T7881] security_path_chmod+0xac/0xe0 [ 222.049730][ T7881] chmod_common+0xe0/0x2d0 [ 222.054156][ T7881] do_fchmodat+0x7a/0x100 [ 222.058627][ T7881] __x64_sys_fchmodat+0x4d/0x60 [ 222.063501][ T7881] do_syscall_64+0xcc/0x3a0 [ 222.068020][ T7881] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 222.073925][ T7881] RIP: 0033:0x47c5aa [ 222.077848][ T7881] Code: e8 7b 6b fb ff 48 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 4c 8b 54 24 28 4c 8b 44 24 30 4c 8b 4c 24 38 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 40 ff ff ff ff 48 c7 44 24 48 [ 222.097457][ T7881] RSP: 002b:000000c43c79e9e0 EFLAGS: 00000206 ORIG_RAX: 000000000000010c [ 222.105876][ T7881] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c5aa [ 222.113847][ T7881] RDX: 00000000000001ff RSI: 000000c4357dc180 RDI: ffffffffffffff9c [ 222.121844][ T7881] RBP: 000000c43c79ea58 R08: 0000000000000000 R09: 0000000000000000 [ 222.129817][ T7881] R10: 0000000000000000 R11: 0000000000000206 R12: ffffffffffffffff [ 222.137803][ T7881] R13: 0000000000000009 R14: 0000000000000008 R15: 00000000000000aa [ 222.147105][ T7881] Kernel Offset: disabled [ 222.151427][ T7881] Rebooting in 86400 seconds..