------------[ cut here ]------------
WARNING: CPU: 1 PID: 11037 at include/linux/cpumask.h:143 schedstat_start+0x1a0/0x20c kernel/sched/stats.c:206
Modules linked in:
CPU: 1 PID: 11037 Comm: syz-executor.0 Not tainted 6.3.0-rc1-syzkaller-gfe15c26ee26e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : cpu_max_bits_warn kernel/sched/stats.c:206 [inline]
pc : cpumask_check include/linux/cpumask.h:150 [inline]
pc : cpumask_next include/linux/cpumask.h:212 [inline]
pc : schedstat_start+0x1a0/0x20c kernel/sched/stats.c:196
lr : seq_read_iter+0x378/0xc44 fs/seq_file.c:225
sp : ffff80002c017860
x29: ffff80002c017870 x28: ffff0000c9f3a7b8 x27: 1fffe000193e74f7
x26: ffff0000c9f3a708 x25: dfff800000000000 x24: 0000000000000007
x23: ffff800015cdd558 x22: 1fffe000193e74e3 x21: dfff800000000000
x20: ffff800015cdd000 x19: ffff0000c9f3a718 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
x14: 0000000000000002 x13: 00000000fffffff5 x12: 0000000000040000
x11: 1ffff00002b9baab x10: 0000000000000002 x9 : ffff800008af6624
x8 : 0000000000000009 x7 : 0000000000000000 x6 : 000000000000000a
x5 : ffff000100356086 x4 : ffff8000125be5e5 x3 : ffff80001241a6ec
x2 : ffff0000c9f3a718 x1 : ffff0000c9f3a718 x0 : ffff0000c9f3a6f0
Call trace:
 schedstat_start+0x1a0/0x20c kernel/sched/stats.c:206
 seq_read_iter+0x378/0xc44 fs/seq_file.c:225
 proc_reg_read_iter+0x18c/0x2bc fs/proc/inode.c:305
 do_iter_read+0x578/0x998 fs/read_write.c:796
 vfs_readv fs/read_write.c:916 [inline]
 do_preadv+0x1e4/0x324 fs/read_write.c:1008
 __do_sys_preadv fs/read_write.c:1058 [inline]
 __se_sys_preadv fs/read_write.c:1053 [inline]
 __arm64_sys_preadv+0xa0/0xb8 fs/read_write.c:1053
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
irq event stamp: 162
hardirqs last  enabled at (161): [<ffff800012543b48>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (161): [<ffff800012543b48>] _raw_spin_unlock_irqrestore+0x44/0xa4 kernel/locking/spinlock.c:194
hardirqs last disabled at (162): [<ffff80001245e098>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (134): [<ffff800008034240>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (132): [<ffff80000803420c>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---