Warning: Permanently added '10.128.1.44' (ECDSA) to the list of known hosts.
2021/09/03 23:28:14 fuzzer started
2021/09/03 23:28:14 connecting to host at 10.128.0.163:38989
2021/09/03 23:28:14 checking machine...
2021/09/03 23:28:14 checking revisions...
2021/09/03 23:28:14 testing simple program...
syzkaller login: [   20.347234][   T25] audit: type=1400 audit(1630711694.743:8): avc:  denied  { execmem } for  pid=1764 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   20.379222][ T1765] cgroup: Unknown subsys name 'perf_event'
[   20.385842][ T1765] cgroup: Unknown subsys name 'net_cls'
[   20.544467][ T1821] ==================================================================
[   20.552643][ T1821] BUG: KCSAN: data-race in cgroup_rstat_flush_locked / cgroup_rstat_updated
[   20.561407][ T1821] 
[   20.563732][ T1821] write to 0xffffe8ffffc19400 of 8 bytes by task 22 on cpu 1:
[   20.571252][ T1821]  cgroup_rstat_flush_locked+0x282/0x7f0
[   20.577392][ T1821]  cgroup_rstat_flush_irqsafe+0x24/0x40
[   20.583006][ T1821]  flush_memcg_stats_work+0x34/0x60
[   20.588234][ T1821]  process_one_work+0x402/0x910
[   20.593152][ T1821]  worker_thread+0x636/0xae0
[   20.597725][ T1821]  kthread+0x262/0x280
[   20.601787][ T1821]  ret_from_fork+0x1f/0x30
[   20.606183][ T1821] 
[   20.608503][ T1821] read to 0xffffe8ffffc19400 of 8 bytes by task 1821 on cpu 0:
[   20.616028][ T1821]  cgroup_rstat_updated+0x53/0x1c0
[   20.621144][ T1821]  __mod_lruvec_state+0x7c/0xe0
[   20.625980][ T1821]  __mod_lruvec_page_state+0xd2/0x120
[   20.631491][ T1821]  page_remove_rmap+0x111/0x230
[   20.636430][ T1821]  zap_pte_range+0x6ad/0xe00
[   20.641001][ T1821]  unmap_page_range+0x2dc/0x3d0
[   20.645837][ T1821]  unmap_single_vma+0x157/0x210
[   20.650794][ T1821]  unmap_vmas+0xc0/0x170
[   20.655173][ T1821]  exit_mmap+0x22d/0x460
[   20.659463][ T1821]  __mmput+0x27/0x1c0
[   20.663602][ T1821]  mmput+0x3d/0x50
[   20.667328][ T1821]  exit_mm+0x2f7/0x3f0
[   20.671386][ T1821]  do_exit+0x3ef/0x14a0
[   20.675577][ T1821]  do_group_exit+0xa4/0x1a0
[   20.680214][ T1821]  __do_sys_exit_group+0xb/0x10
[   20.685275][ T1821]  __se_sys_exit_group+0x5/0x10
[   20.690147][ T1821]  __x64_sys_exit_group+0x16/0x20
[   20.695271][ T1821]  do_syscall_64+0x3d/0x90
[   20.699713][ T1821]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   20.705600][ T1821] 
[   20.707904][ T1821] value changed: 0xffff888100dee010 -> 0x0000000000000000
[   20.715068][ T1821] 
[   20.717456][ T1821] Reported by Kernel Concurrency Sanitizer on:
[   20.723591][ T1821] CPU: 0 PID: 1821 Comm: modprobe Not tainted 5.14.0-syzkaller #0
[   20.731454][ T1821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   20.741489][ T1821] ==================================================================
2021/09/03 23:28:16 building call list...
[   22.784543][   T25] audit: type=1400 audit(1630711697.184:9): avc:  denied  { create } for  pid=1754 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1