WARNING in create_strip

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	WARNING in create_strip_zones mm	-1				5	9d11h	5d18h	0/29	upstream: reported on 2026/03/08 17:02
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WARNING: CPU: 1 PID: 4938 at mm/page_alloc.c:5476 current_gfp_context include/linux/sched/mm.h:-1 [inline]
WARNING: CPU: 1 PID: 4938 at mm/page_alloc.c:5476 __alloc_pages+0x39f/0x480 mm/page_alloc.c:5488
Modules linked in:
CPU: 1 PID: 4938 Comm: syz.2.219 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__alloc_pages+0x39f/0x480 mm/page_alloc.c:5476
Code: 31 ff e9 b1 fe ff ff e8 ff fe 07 08 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 4f fd ff ff 4c 89 e7 e8 86 c2 09 00 e9 42 fd ff ff <0f> 0b 45 31 ff e9 ee fe ff ff 65 44 8b 2d 67 ab 4d 7e 41 83 fd 08
RSP: 0018:ffffc9000329f2e0 EFLAGS: 00010246
RAX: ffffc9000329f320 RBX: 1ffff92000653e60 RCX: 0000000000000000
RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc9000329f348
RBP: ffffc9000329f3d8 R08: ffffc9000329f347 R09: ffffc9000329f320
R10: dffffc0000000000 R11: fffff52000653e69 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000040dc0 R15: 0000000000000011
FS:  00007fac38fbb6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3171223ff8 CR3: 000000002a678000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 kmalloc_order+0x40/0x150 mm/slab_common.c:986
 kmalloc_order_trace+0x14/0xf0 mm/slab_common.c:1002
 kmalloc include/linux/slab.h:612 [inline]
 kzalloc include/linux/slab.h:738 [inline]
 create_strip_zones+0xa25/0x1f60 drivers/md/raid0.c:149
 raid0_run+0x17e/0x1160 drivers/md/raid0.c:406
 md_run+0xf11/0x22f0 drivers/md/md.c:6007
 do_md_run+0x30/0x400 drivers/md/md.c:6132
 md_ioctl+0x202a/0x26b0 drivers/md/md.c:7786
 blkdev_ioctl+0x33b/0x700 block/ioctl.c:604
 block_ioctl+0xac/0xf0 block/fops.c:496
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fac3ad61799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fac38fbb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fac3afdafa0 RCX: 00007fac3ad61799
RDX: 0000200002000005 RSI: 00000000400c0930 RDI: 0000000000000004
RBP: 00007fac3adf7bd9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fac3afdb038 R14: 00007fac3afdafa0 R15: 00007ffe7fdcd1b8
 </TASK>