pgmajfault 0
workingset_refault 0
workingset_activate 0
workingset_nodereclaim 0
pgrefill 175
pgscan 141
pgsteal 37
pgactivate 99
oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz5,mems_allowed=0-1,oom_memcg=/syz5,task_memcg=/syz5,task=syz-executor.5,pid=4772,uid=0
==================================================================
BUG: KCSAN: data-race in __thaw_task / futex_wait_queue_me

write to 0xffff8881218d3024 of 4 bytes by task 4772 on cpu 1:
 freezer_count include/linux/freezer.h:121 [inline]
 freezable_schedule include/linux/freezer.h:173 [inline]
 futex_wait_queue_me+0x1a2/0x290 kernel/futex.c:2704
 futex_wait+0x19b/0x3f0 kernel/futex.c:2810
 do_futex+0xe9/0x18d0 kernel/futex.c:3881
 __do_sys_futex kernel/futex.c:3942 [inline]
 __se_sys_futex kernel/futex.c:3910 [inline]
 __x64_sys_futex+0x2cd/0x3f0 kernel/futex.c:3910
 do_syscall_64+0xcc/0x3a0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

read to 0xffff8881218d3024 of 4 bytes by task 24492 on cpu 0:
 frozen include/linux/freezer.h:27 [inline]
 __thaw_task+0x33/0x80 kernel/freezer.c:151
 mark_oom_victim+0xc1/0x220 mm/oom_kill.c:717
 __oom_kill_process+0x296/0x620 mm/oom_kill.c:886
 oom_kill_process+0xcb/0x270 mm/oom_kill.c:983
 out_of_memory mm/oom_kill.c:1111 [inline]
 out_of_memory+0x231/0xa60 mm/oom_kill.c:1043
 mem_cgroup_out_of_memory+0x128/0x150 mm/memcontrol.c:1575
 mem_cgroup_oom mm/memcontrol.c:1808 [inline]
 try_charge+0xb6c/0xbf0 mm/memcontrol.c:2504
 __memcg_kmem_charge_memcg+0x4a/0xe0 mm/memcontrol.c:2837
 __memcg_kmem_charge+0xcf/0x1b0 mm/memcontrol.c:2877
 memcg_kmem_charge include/linux/memcontrol.h:1395 [inline]
 memcg_charge_kernel_stack kernel/fork.c:421 [inline]
 dup_task_struct kernel/fork.c:876 [inline]
 copy_process+0x11d2/0x3c40 kernel/fork.c:1911
 _do_fork+0xfe/0x7a0 kernel/fork.c:2421
 __do_sys_clone kernel/fork.c:2576 [inline]
 __se_sys_clone kernel/fork.c:2557 [inline]
 __x64_sys_clone+0x130/0x170 kernel/fork.c:2557
 do_syscall_64+0xcc/0x3a0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 24492 Comm: syz-executor.5 Not tainted 5.5.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
==================================================================