loop4: detected capacity change from 0 to 1024
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6816 at mm/page_alloc.c:4935 __alloc_frozen_pages_noprof+0xd0/0x318 mm/page_alloc.c:4935
Modules linked in:
CPU: 0 UID: 0 PID: 6816 Comm: syz.4.20 Not tainted 6.16.0-rc6-syzkaller-gaaef6f251176 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __alloc_frozen_pages_noprof+0xd0/0x318 mm/page_alloc.c:4935
lr : __alloc_frozen_pages_noprof+0xac/0x318 mm/page_alloc.c:4929
sp : ffff8000a1497740
x29: ffff8000a1497800 x28: ffff0000d2be1e80 x27: 0000000006200000
x26: ffff8000a14979e0 x25: dfff800000000000 x24: ffff8000a1497760
x23: ffff700014292eec x22: 0000000000000000 x21: 0000000000040dc0
x20: 0000000000000000 x19: 0000000000000019 x18: 0000000000000000
x17: ffff800093376000 x16: ffff80008ae67e88 x15: 0000000000000005
x14: 1ffff00014292ef0 x13: 0000000000000000 x12: 0000000000000000
x11: ffff700014292ef5 x10: dfff800000000000 x9 : 0000000000000001
x8 : ffff800092c65000 x7 : 0000000000000000 x6 : ffff8000a1497c40
x5 : ffff8000a1497c40 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __alloc_frozen_pages_noprof+0xd0/0x318 mm/page_alloc.c:4935 (P)
 __alloc_pages_noprof+0x18/0x100 mm/page_alloc.c:4993
 __alloc_pages_node_noprof include/linux/gfp.h:284 [inline]
 alloc_pages_node_noprof include/linux/gfp.h:311 [inline]
 ___kmalloc_large_node+0xa8/0x1d8 mm/slub.c:4272
 __kmalloc_large_node_noprof+0x2c/0x8c mm/slub.c:4300
 __do_kmalloc_node mm/slub.c:4316 [inline]
 __kmalloc_noprof+0x3bc/0x4c8 mm/slub.c:4340
 kmalloc_noprof include/linux/slab.h:909 [inline]
 kmalloc_array_noprof include/linux/slab.h:948 [inline]
 comedi_unlocked_ioctl+0x848/0xce0 drivers/comedi/comedi_fops.c:2242
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl fs/ioctl.c:893 [inline]
 __arm64_sys_ioctl+0x14c/0x1c4 fs/ioctl.c:893
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x58/0x180 arch/arm64/kernel/entry-common.c:879
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
irq event stamp: 65428
hardirqs last  enabled at (65427): [<ffff800080c3ce34>] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234
hardirqs last disabled at (65428): [<ffff80008aefaf9c>] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574
softirqs last  enabled at (65406): [<ffff8000801fc5e4>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (65404): [<ffff8000801fc5b0>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---