md: array md3 already has disks!
md: could not open device unknown-block(1,7).
md: error, md_import_device() returned -16
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6963 at mm/page_alloc.c:4477 __alloc_pages+0x2e4/0x460 mm/page_alloc.c:4477
Modules linked in:
CPU: 1 PID: 6963 Comm: syz.3.261 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:__alloc_pages+0x2e4/0x460 mm/page_alloc.c:4477
Code: 0c 25 28 00 00 00 48 3b 8c 24 a0 00 00 00 0f 85 9f 00 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 c6 05 a2 65 a3 0d 01 <0f> 0b eb a4 a9 00 00 08 00 8b 74 24 0c 75 3e 44 89 f1 81 e1 7f ff
RSP: 0018:ffffc9000339f820 EFLAGS: 00010246
RAX: ffffc9000339f800 RBX: 1ffff92000673f08 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000339f888
RBP: ffffc9000339f910 R08: ffffc9000339f887 R09: 0000000000000000
R10: ffffc9000339f860 R11: fffff52000673f11 R12: 0000000000000034
R13: 0000000000000000 R14: 0000000000040dc0 R15: dffffc0000000000
FS:  00007f011e9e16c0(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f25c79f7e9c CR3: 000000005e358000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 __alloc_pages_node include/linux/gfp.h:237 [inline]
 alloc_pages_node include/linux/gfp.h:260 [inline]
 __kmalloc_large_node+0x8c/0x1f0 mm/slab_common.c:1148
 __do_kmalloc_node mm/slab_common.c:995 [inline]
 __kmalloc+0x114/0x240 mm/slab_common.c:1020
 kmalloc include/linux/slab.h:604 [inline]
 kzalloc include/linux/slab.h:721 [inline]
 setup_conf+0x23d/0xe70 drivers/md/raid1.c:2994
 raid1_run+0x104/0x8b0 drivers/md/raid1.c:3127
 md_run+0x10c5/0x2230 drivers/md/md.c:6149
 do_md_run+0x34/0x570 drivers/md/md.c:6281
 md_ioctl+0x20fa/0x24e0 drivers/md/md.c:7922
 blkdev_ioctl+0x5b2/0x730 block/ioctl.c:639
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl+0xfd/0x170 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f011db9fb19
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:00007f011e9e1028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f011de26090 RCX: 00007f011db9fb19
RDX: 0000000000000000 RSI: 00000000400c0930 RDI: 0000000000000006
RBP: 00007f011dc37b70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f011de26128 R14: 00007f011de26090 R15: 00007ffcb9d3de78
 </TASK>