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BUG: KMSAN: uninit-value in psi_show+0x701/0x810 kernel/sched/psi.c:1082
 psi_show+0x701/0x810 kernel/sched/psi.c:1082
 cgroup_cpu_pressure_show+0x2b9/0x300 kernel/cgroup/cgroup.c:3676
 cgroup_seqfile_show+0x1fe/0x470 kernel/cgroup/cgroup.c:3991
 kernfs_seq_show+0x13b/0x1f0 fs/kernfs/file.c:217
 seq_read_iter+0x926/0x20c0 fs/seq_file.c:230
 kernfs_fop_read_iter+0x1f2/0xa10 fs/kernfs/file.c:299
 call_read_iter include/linux/fs.h:2181 [inline]
 new_sync_read fs/read_write.c:389 [inline]
 vfs_read+0x8c9/0xf40 fs/read_write.c:470
 ksys_pread64 fs/read_write.c:659 [inline]
 __do_sys_pread64 fs/read_write.c:669 [inline]
 __se_sys_pread64 fs/read_write.c:666 [inline]
 __x64_sys_pread64+0x2ce/0x3d0 fs/read_write.c:666
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Uninit was stored to memory at:
 calc_avgs kernel/sched/psi.c:302 [inline]
 update_averages+0xc8d/0xdf0 kernel/sched/psi.c:409
 psi_avgs_work+0x1e3/0x2b0 kernel/sched/psi.c:440
 process_one_work+0xb27/0x13e0 kernel/workqueue.c:2289
 worker_thread+0x1076/0x1d60 kernel/workqueue.c:2436
 kthread+0x31b/0x430 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30

Uninit was stored to memory at:
 calc_avgs kernel/sched/psi.c:302 [inline]
 update_averages+0xc8d/0xdf0 kernel/sched/psi.c:409
 psi_avgs_work+0x1e3/0x2b0 kernel/sched/psi.c:440
 process_one_work+0xb27/0x13e0 kernel/workqueue.c:2289
 worker_thread+0x1076/0x1d60 kernel/workqueue.c:2436
 kthread+0x31b/0x430 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30

Uninit was stored to memory at:
 calc_avgs kernel/sched/psi.c:302 [inline]
 update_averages+0xc8d/0xdf0 kernel/sched/psi.c:409
 psi_avgs_work+0x1e3/0x2b0 kernel/sched/psi.c:440
 process_one_work+0xb27/0x13e0 kernel/workqueue.c:2289
 worker_thread+0x1076/0x1d60 kernel/workqueue.c:2436
 kthread+0x31b/0x430 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30

Uninit was stored to memory at:
 calc_avgs kernel/sched/psi.c:302 [inline]
 update_averages+0xc8d/0xdf0 kernel/sched/psi.c:409
 psi_avgs_work+0x1e3/0x2b0 kernel/sched/psi.c:440
 process_one_work+0xb27/0x13e0 kernel/workqueue.c:2289
 worker_thread+0x1076/0x1d60 kernel/workqueue.c:2436
 kthread+0x31b/0x430 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30

Uninit was stored to memory at:
 calc_avgs kernel/sched/psi.c:302 [inline]
 update_averages+0xc8d/0xdf0 kernel/sched/psi.c:409
 psi_avgs_work+0x1e3/0x2b0 kernel/sched/psi.c:440
 process_one_work+0xb27/0x13e0 kernel/workqueue.c:2289
 worker_thread+0x1076/0x1d60 kernel/workqueue.c:2436
 kthread+0x31b/0x430 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30

Uninit was stored to memory at:
 calc_avgs kernel/sched/psi.c:302 [inline]
 update_averages+0xc8d/0xdf0 kernel/sched/psi.c:409
 psi_avgs_work+0x1e3/0x2b0 kernel/sched/psi.c:440
 process_one_work+0xb27/0x13e0 kernel/workqueue.c:2289
 worker_thread+0x1076/0x1d60 kernel/workqueue.c:2436
 kthread+0x31b/0x430 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30

Uninit was stored to memory at:
 calc_avgs kernel/sched/psi.c:302 [inline]
 update_averages+0xc8d/0xdf0 kernel/sched/psi.c:409
 psi_avgs_work+0x1e3/0x2b0 kernel/sched/psi.c:440
 process_one_work+0xb27/0x13e0 kernel/workqueue.c:2289
 worker_thread+0x1076/0x1d60 kernel/workqueue.c:2436
 kthread+0x31b/0x430 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30

Uninit was created at:
 slab_post_alloc_hook mm/slab.h:732 [inline]
 slab_alloc_node mm/slub.c:3258 [inline]
 slab_alloc mm/slub.c:3266 [inline]
 kmem_cache_alloc_trace+0x696/0xdf0 mm/slub.c:3297
 kmalloc include/linux/slab.h:600 [inline]
 psi_cgroup_alloc+0x83/0x250 kernel/sched/psi.c:960
 cgroup_create kernel/cgroup/cgroup.c:5430 [inline]
 cgroup_mkdir+0x10a3/0x3080 kernel/cgroup/cgroup.c:5550
 kernfs_iop_mkdir+0x2ba/0x520 fs/kernfs/dir.c:1185
 vfs_mkdir+0x62a/0x870 fs/namei.c:4013
 do_mkdirat+0x466/0x7b0 fs/namei.c:4038
 __do_sys_mkdirat fs/namei.c:4053 [inline]
 __se_sys_mkdirat fs/namei.c:4051 [inline]
 __x64_sys_mkdirat+0xc4/0x120 fs/namei.c:4051
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

CPU: 1 PID: 4979 Comm: syz-executor.1 Not tainted 6.0.0-rc2-syzkaller-47469-ge23a6cc335d5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
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