Warning: Permanently added '10.128.0.90' (ECDSA) to the list of known hosts.
2021/04/14 23:37:47 fuzzer started
2021/04/14 23:37:48 dialing manager at 10.128.0.163:43911
2021/04/14 23:37:50 syscalls: 3557
2021/04/14 23:37:50 code coverage: enabled
2021/04/14 23:37:50 comparison tracing: enabled
2021/04/14 23:37:50 extra coverage: enabled
2021/04/14 23:37:50 setuid sandbox: enabled
2021/04/14 23:37:50 namespace sandbox: enabled
2021/04/14 23:37:50 Android sandbox: /sys/fs/selinux/policy does not exist
2021/04/14 23:37:50 fault injection: enabled
2021/04/14 23:37:50 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2021/04/14 23:37:50 net packet injection: enabled
2021/04/14 23:37:50 net device setup: enabled
2021/04/14 23:37:50 concurrency sanitizer: enabled
2021/04/14 23:37:50 devlink PCI setup: PCI device 0000:00:10.0 is not available
2021/04/14 23:37:50 USB emulation: enabled
2021/04/14 23:37:50 hci packet injection: enabled
2021/04/14 23:37:50 wifi device emulation: enabled
2021/04/14 23:37:50 802.15.4 emulation: enabled
2021/04/14 23:37:53 suppressing KCSAN reports in functions: '__xa_clear_mark' 'ext4_mb_good_group' 'tick_nohz_next_event' 'expire_timers' 'step_into' 'shmem_getpage_gfp' 'xas_clear_mark' 'alloc_pid' 'shmem_symlink' 'filemap_read' '__mod_timer' '__find_get_block' 'ext4_mark_iloc_dirty' 'ext4_free_inodes_count' 'shmem_mknod' 'blk_mq_dispatch_rq_list' 'blk_mq_sched_dispatch_requests' 'generic_write_end' 'kauditd_thread' 'wbt_done' 'do_signal_stop' 'dd_has_work' '__ext4_new_inode' 'ext4_free_inode' 'get_signal' '__mark_inode_dirty' 'blk_mq_rq_ctx_init' '__xa_set_mark' 'n_tty_receive_buf_common' 'exit_mm' 'pcpu_alloc' 'do_nanosleep' 'do_sys_poll' 'xas_find_marked' 
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[   53.866945][ T8381] ==================================================================
[   53.875757][ T8381] BUG: KCSAN: data-race in complete_signal / futex_wait_queue_me
[   53.883549][ T8381] 
[   53.885879][ T8381] write to 0xffff88810620802c of 4 bytes by task 8372 on cpu 0:
[   53.893500][ T8381]  futex_wait_queue_me+0x186/0x250
[   53.898697][ T8381]  futex_wait+0x145/0x400
[   53.903008][ T8381]  do_futex+0x1062/0x1cd0
[   53.907314][ T8381]  __se_sys_futex+0x2a8/0x390
[   53.911968][ T8381]  __x64_sys_futex+0x74/0x80
[   53.916637][ T8381]  do_syscall_64+0x39/0x80
[   53.921122][ T8381]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   53.927029][ T8381] 
[   53.929344][ T8381] read to 0xffff88810620802c of 4 bytes by task 8381 on cpu 1:
[   53.936859][ T8381]  complete_signal+0x7c/0x600
[   53.941878][ T8381]  __send_signal+0x680/0x790
[   53.946574][ T8381]  send_signal+0x398/0x3e0
[   53.950981][ T8381]  do_send_sig_info+0x9b/0xe0
[   53.955667][ T8381]  do_send_specific+0xc7/0x100
[   53.960425][ T8381]  __x64_sys_tgkill+0x108/0x140
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[   53.965267][ T8381]  do_syscall_64+0x39/0x80
[   53.969675][ T8381]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   53.975563][ T8381] 
[   53.978136][ T8381] Reported by Kernel Concurrency Sanitizer on:
[   53.984364][ T8381] CPU: 1 PID: 8381 Comm: syz-fuzzer Not tainted 5.12.0-rc7-syzkaller #0
[   53.992785][ T8381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   54.002826][ T8381] ==================================================================
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