------------[ cut here ]------------
WARNING: mm/page_alloc.c:5124 at __alloc_frozen_pages_noprof+0x2c8/0x370 mm/page_alloc.c:5124, CPU#0: syz.6.2330/14095
Modules linked in:
CPU: 0 UID: 0 PID: 14095 Comm: syz.6.2330 Not tainted 6.16.0-rc6-next-20250716-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__alloc_frozen_pages_noprof+0x2c8/0x370 mm/page_alloc.c:5124
Code: 74 10 4c 89 e7 89 54 24 0c e8 a4 1d 0d 00 8b 54 24 0c 49 83 3c 24 00 0f 85 a5 fe ff ff e9 a6 fe ff ff c6 05 4e 51 b6 0d 01 90 <0f> 0b 90 e9 18 ff ff ff a9 00 00 08 00 48 8b 4c 24 10 4c 8d 44 24
RSP: 0018:ffffc9000af6f920 EFLAGS: 00010246
RAX: ffffc9000af6f900 RBX: 0000000000000014 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000af6f988
RBP: ffffc9000af6fa08 R08: ffffc9000af6f987 R09: 0000000000000000
R10: ffffc9000af6f960 R11: fffff520015edf31 R12: 0000000000000000
R13: 1ffff920015edf28 R14: 0000000000040dc0 R15: dffffc0000000000
FS:  00007f5b94fc76c0(0000) GS:ffff8881257aa000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000001859c0 CR3: 000000007723a000 CR4: 00000000003526f0
DR0: ffffffffffffffff DR1: 000000000000008d DR2: 0000000020000008
DR3: 0000000000007fff DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2416
 ___kmalloc_large_node+0x5f/0x1b0 mm/slub.c:4306
 __kmalloc_large_node_noprof+0x18/0x90 mm/slub.c:4337
 __do_kmalloc_node mm/slub.c:4353 [inline]
 __kmalloc_noprof+0x36f/0x4f0 mm/slub.c:4377
 kmalloc_noprof include/linux/slab.h:909 [inline]
 kmalloc_array_noprof include/linux/slab.h:948 [inline]
 comedi_unlocked_ioctl+0x9ee/0xf40 drivers/comedi/comedi_fops.c:2242
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5b9418e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5b94fc7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f5b943b6080 RCX: 00007f5b9418e929
RDX: 00002000001859c0 RSI: 000000008010640b RDI: 000000000000000a
RBP: 00007f5b94210ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f5b943b6080 R15: 00007ffc3bdaf178
 </TASK>