------------[ cut here ]------------
WARNING: CPU: 2 PID: 6489 at include/linux/cpumask.h:144 cpu_max_bits_warn include/linux/cpumask.h:144 [inline]
WARNING: CPU: 2 PID: 6489 at include/linux/cpumask.h:144 cpumask_check include/linux/cpumask.h:151 [inline]
WARNING: CPU: 2 PID: 6489 at include/linux/cpumask.h:144 cpumask_clear_cpu include/linux/cpumask.h:538 [inline]
WARNING: CPU: 2 PID: 6489 at include/linux/cpumask.h:144 __mm_cid_put kernel/sched/sched.h:3256 [inline]
WARNING: CPU: 2 PID: 6489 at include/linux/cpumask.h:144 sched_mm_cid_remote_clear+0x374/0x4f0 kernel/sched/core.c:11874
Modules linked in:
CPU: 2 PID: 6489 Comm: udevadm Not tainted 6.10.0-rc4-syzkaller-00148-g50736169ecc8 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:cpu_max_bits_warn include/linux/cpumask.h:144 [inline]
RIP: 0010:cpumask_check include/linux/cpumask.h:151 [inline]
RIP: 0010:cpumask_clear_cpu include/linux/cpumask.h:538 [inline]
RIP: 0010:__mm_cid_put kernel/sched/sched.h:3256 [inline]
RIP: 0010:sched_mm_cid_remote_clear+0x374/0x4f0 kernel/sched/core.c:11874
Code: 00 e9 48 fe ff ff 4d 85 ed 89 44 24 48 0f 84 52 ff ff ff e8 8e d6 36 00 9c 58 f6 c4 02 0f 85 41 01 00 00 fb e9 47 ff ff ff 90 <0f> 0b 90 e9 0b ff ff ff e8 af 03 16 00 84 c0 0f 85 d6 fd ff ff e8
RSP: 0018:ffffc90007bc7cc8 EFLAGS: 00010006
RAX: 000000000000001f RBX: ffffe8ffad0682a8 RCX: ffffffff815f0578
RDX: 00000000ffffffff RSI: 0000000000000004 RDI: ffffc90007bc7d10
RBP: ffff88801cdb2ec8 R08: 0000000000000001 R09: fffff52000f78fa2
R10: 0000000000000003 R11: 0000000000000000 R12: 1ffff92000f78f9a
R13: 0000000000000200 R14: ffffc90007bc7d10 R15: ffff88802c03ec00
FS:  00007f79fa4d1280(0000) GS:ffff88802c200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055925754a668 CR3: 00000000559fe000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 sched_mm_cid_remote_clear_old kernel/sched/core.c:11907 [inline]
 task_mm_cid_work+0x39a/0x920 kernel/sched/core.c:11957
 task_work_run+0x14e/0x250 kernel/task_work.c:180
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x278/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f79fa1165f4
Code: 64 c7 00 09 00 00 00 83 c8 ff c3 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 00 00 00 00 41 89 ca b8 06 01 00 00 0f 05 <45> 31 c0 3d 00 f0 ff ff 76 10 48 8b 15 03 a8 0d 00 f7 d8 41 83 c8
RSP: 002b:00007fffe7f8af48 EFLAGS: 00000206 ORIG_RAX: 0000000000000106
RAX: 0000000000000000 RBX: 00007f79fa1ee460 RCX: 00007f79fa1165f4
RDX: 00007fffe7f8af50 RSI: 00007f79fa1b3130 RDI: 0000000000000005
RBP: 00005592575372a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000003fff R14: 00007fffe7f8b4e8 R15: 000000000000000a
 </TASK>