mtd partition "" doesn't have enough space: 0x8000003 < 0x80000000, disabled
------------[ cut here ]------------
WARNING: drivers/mtd/mtdcore.c:719 at add_mtd_device+0x56c/0x14cc drivers/mtd/mtdcore.c:719, CPU#1: syz.8.7959/28542
Modules linked in:
CPU: 1 UID: 0 PID: 28542 Comm: syz.8.7959 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: linux,dummy-virt (DT)
pstate: 10000005 (nzcV daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : add_mtd_device+0x56c/0x14cc drivers/mtd/mtdcore.c:719
lr : mtd_add_partition+0x218/0x48c drivers/mtd/mtdpart.c:280
sp : ffff80008fd878c0
x29: ffff80008fd87980 x28: ffff000016668000 x27: ffff000027cce004
x26: 1fffe00004f99c3f x25: ffff000027cce014 x24: 0000000000000004
x23: ffff000027cce000 x22: 1ffff00011fb0f3c x21: 0000000000000000
x20: ffff000027cce1a0 x19: 0000000000000c00 x18: 0000000000000000
x17: 3030303030387830 x16: 203c203330303030 x15: 30387830203a6563
x14: 617073206867756f x13: 0000000000000001 x12: ffff700011fb0f23
x11: 1ffff00011fb0f22 x10: ffff700011fb0f22 x9 : dfff800000000000
x8 : ffff80008fd87917 x7 : 1ffff00011fb0f24 x6 : 0000000041b58ab3
x5 : ffff700011fb0f24 x4 : ffff80008fd87920 x3 : 1fffe00004f99c00
x2 : 0000000000000000 x1 : 0000000000000007 x0 : 0000000000000000
Call trace:
 add_mtd_device+0x56c/0x14cc drivers/mtd/mtdcore.c:719 (P)
 mtd_add_partition+0x218/0x48c drivers/mtd/mtdpart.c:280
 mtdchar_blkpg_ioctl+0x17c/0x1b8 drivers/mtd/mtdchar.c:562
 mtdchar_compat_ioctl+0x1f0/0x33c drivers/mtd/mtdchar.c:1322
 __do_compat_sys_ioctl fs/ioctl.c:695 [inline]
 __se_compat_sys_ioctl fs/ioctl.c:638 [inline]
 __arm64_compat_sys_ioctl+0x1a8/0x21c fs/ioctl.c:638
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x74/0x240 arch/arm64/kernel/syscall.c:49
 el0_svc_common.constprop.0+0xac/0x230 arch/arm64/kernel/syscall.c:121
 do_el0_svc_compat+0x40/0x58 arch/arm64/kernel/syscall.c:146
 el0_svc_compat+0x54/0x264 arch/arm64/kernel/entry-common.c:891
 el0t_32_sync_handler+0x88/0xac arch/arm64/kernel/entry-common.c:909
 el0t_32_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:599
irq event stamp: 0
hardirqs last  enabled at (0): [<0000000000000000>] 0x0
hardirqs last disabled at (0): [<ffff800080213cd8>] copy_process+0x1698/0x5740 kernel/fork.c:2228
softirqs last  enabled at (0): [<ffff800080213d10>] copy_process+0x16d0/0x5740 kernel/fork.c:2232
softirqs last disabled at (0): [<0000000000000000>] 0x0
---[ end trace 0000000000000000 ]---