Warning: Permanently added '10.128.1.35' (ECDSA) to the list of known hosts.
2021/05/03 18:39:37 fuzzer started
2021/05/03 18:39:37 connecting to host at 10.128.0.163:40833
2021/05/03 18:39:37 checking machine...
2021/05/03 18:39:37 checking revisions...
2021/05/03 18:39:37 testing simple program...
syzkaller login: [   19.143611][   T25] audit: type=1400 audit(1620067177.696:8): avc:  denied  { execmem } for  pid=1768 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   19.180075][ T1769] cgroup: Unknown subsys name 'perf_event'
[   19.187502][ T1769] cgroup: Unknown subsys name 'net_cls'
2021/05/03 18:39:38 building call list...
[   21.269111][ T1763] ==================================================================
[   21.278872][ T1763] BUG: KCSAN: data-race in handle_irq_event / synchronize_irq
[   21.287889][ T1763] 
[   21.290679][ T1763] write to 0xffff8881000ea600 of 4 bytes by interrupt on cpu 0:
[   21.299022][ T1763]  handle_irq_event+0x12a/0x160
[   21.304014][ T1763]  handle_edge_irq+0x17e/0x600
[   21.309481][ T1763]  __common_interrupt+0x38/0xb0
[   21.314497][ T1763]  common_interrupt+0x73/0x90
[   21.319597][ T1763]  asm_common_interrupt+0x1e/0x40
[   21.325322][ T1763]  acpi_idle_enter+0x25b/0x2e0
[   21.331168][ T1763]  cpuidle_enter_state+0x2b6/0x750
[   21.337164][ T1763]  cpuidle_enter+0x3c/0x60
[   21.341927][ T1763]  do_idle+0x1a3/0x240
[   21.348839][ T1763]  cpu_startup_entry+0x15/0x20
[   21.357034][ T1763]  rest_init+0xc9/0xd0
[   21.361631][ T1763]  arch_call_rest_init+0xa/0xb
[   21.366737][ T1763]  start_kernel+0x59e/0x623
[   21.371831][ T1763]  secondary_startup_64_no_verify+0xb0/0xbb
[   21.379290][ T1763] 
[   21.382759][ T1763] read to 0xffff8881000ea600 of 4 bytes by task 1763 on cpu 1:
[   21.391347][ T1763]  synchronize_irq+0xa6/0x2e0
[   21.396525][ T1763]  serial8250_do_shutdown+0xc5/0x540
[   21.402054][ T1763]  serial8250_shutdown+0x37/0x40
[   21.408110][ T1763]  uart_tty_port_shutdown+0xd6/0x1d0
[   21.414048][ T1763]  tty_port_close+0x166/0x210
[   21.419390][ T1763]  uart_close+0x4c/0x110
[   21.428451][ T1763]  tty_release+0x255/0xa10
[   21.434385][ T1763]  __fput+0x25b/0x4e0
[   21.439087][ T1763]  ____fput+0x11/0x20
[   21.443604][ T1763]  task_work_run+0xae/0x130
[   21.448752][ T1763]  exit_to_user_mode_prepare+0x156/0x190
[   21.454682][ T1763]  syscall_exit_to_user_mode+0x20/0x40
[   21.460995][ T1763]  do_syscall_64+0x56/0x90
[   21.465797][ T1763]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   21.473949][ T1763] 
[   21.476443][ T1763] Reported by Kernel Concurrency Sanitizer on:
[   21.483838][ T1763] CPU: 1 PID: 1763 Comm: syz-fuzzer Not tainted 5.12.0-syzkaller #0
[   21.494641][ T1763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   21.506099][ T1763] ==================================================================
[   21.566268][   T25] audit: type=1400 audit(1620067180.118:9): avc:  denied  { create } for  pid=1758 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1