Warning: Permanently added '10.128.0.178' (ECDSA) to the list of known hosts.
2021/09/03 23:28:10 fuzzer started
2021/09/03 23:28:10 connecting to host at 10.128.0.163:33677
2021/09/03 23:28:10 checking machine...
2021/09/03 23:28:10 checking revisions...
2021/09/03 23:28:10 testing simple program...
syzkaller login: [   18.984860][   T25] audit: type=1400 audit(1630711690.729:8): avc:  denied  { execmem } for  pid=1789 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   19.019554][ T1790] cgroup: Unknown subsys name 'perf_event'
[   19.026010][ T1790] cgroup: Unknown subsys name 'net_cls'
[   19.261160][ T1868] ==================================================================
[   19.269364][ T1868] BUG: KCSAN: data-race in cgroup_rstat_flush_locked / cgroup_rstat_updated
[   19.278455][ T1868] 
[   19.280769][ T1868] write to 0xffffe8ffffc19308 of 8 bytes by task 539 on cpu 1:
[   19.288300][ T1868]  cgroup_rstat_flush_locked+0x282/0x7f0
[   19.293931][ T1868]  cgroup_rstat_flush_irqsafe+0x24/0x40
[   19.299488][ T1868]  flush_memcg_stats_work+0x34/0x60
[   19.304670][ T1868]  process_one_work+0x402/0x910
[   19.309530][ T1868]  worker_thread+0x636/0xae0
[   19.314125][ T1868]  kthread+0x262/0x280
[   19.318171][ T1868]  ret_from_fork+0x1f/0x30
[   19.322571][ T1868] 
[   19.325032][ T1868] read to 0xffffe8ffffc19308 of 8 bytes by task 1868 on cpu 0:
[   19.332547][ T1868]  cgroup_rstat_updated+0x53/0x1c0
[   19.337637][ T1868]  __mod_lruvec_state+0x7c/0xe0
[   19.342462][ T1868]  __mod_lruvec_page_state+0xd2/0x120
[   19.347818][ T1868]  page_remove_rmap+0x111/0x230
[   19.352663][ T1868]  zap_pte_range+0x6ad/0xe00
[   19.357231][ T1868]  unmap_page_range+0x2dc/0x3d0
[   19.362054][ T1868]  unmap_single_vma+0x157/0x210
[   19.366989][ T1868]  unmap_vmas+0xc0/0x170
[   19.371204][ T1868]  exit_mmap+0x22d/0x460
[   19.375518][ T1868]  __mmput+0x27/0x1c0
[   19.379494][ T1868]  mmput+0x3d/0x50
[   19.383185][ T1868]  exit_mm+0x2f7/0x3f0
[   19.387230][ T1868]  do_exit+0x3ef/0x14a0
[   19.391473][ T1868]  do_group_exit+0xa4/0x1a0
[   19.396039][ T1868]  __do_sys_exit_group+0xb/0x10
[   19.400869][ T1868]  __se_sys_exit_group+0x5/0x10
[   19.405712][ T1868]  __x64_sys_exit_group+0x16/0x20
[   19.410735][ T1868]  do_syscall_64+0x3d/0x90
[   19.415140][ T1868]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   19.421024][ T1868] 
[   19.423329][ T1868] value changed: 0xffff888100bc6010 -> 0x0000000000000000
[   19.430407][ T1868] 
[   19.432702][ T1868] Reported by Kernel Concurrency Sanitizer on:
[   19.438829][ T1868] CPU: 0 PID: 1868 Comm: modprobe Not tainted 5.14.0-syzkaller #0
[   19.446619][ T1868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   19.456654][ T1868] ==================================================================
2021/09/03 23:28:12 building call list...
[   21.423166][   T25] audit: type=1400 audit(1630711693.170:9): avc:  denied  { create } for  pid=1779 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1