------------[ cut here ]------------
WARNING: CPU: 1 PID: 6712 at drivers/gpu/drm/drm_gem.c:225 drm_gem_object_handle_put_unlocked+0x220/0x2dc drivers/gpu/drm/drm_gem.c:225
Modules linked in:

CPU: 1 PID: 6712 Comm: syz-executor.3 Not tainted 6.6.0-rc7-syzkaller-00089-g8de1e7afcc1c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : drm_gem_object_handle_put_unlocked+0x220/0x2dc drivers/gpu/drm/drm_gem.c:225
lr : drm_gem_object_handle_put_unlocked+0x220/0x2dc drivers/gpu/drm/drm_gem.c:225
sp : ffff8000975278a0
x29: ffff8000975278a0
 x28: dfff800000000000
 x27: 0000000000000000

x26: ffff0000c9210000
 x25: 1fffe0001a764901
 x24: dfff800000000000

x23: 1fffe0001a764900 x22: ffff0000d3b24804 x21: ffff0000d3b24808
x20: 0000000000000000 x19: ffff0000d3b24800 x18: 1fffe0003682efce
x17: 0000000000000000 x16: ffff80008026e1cc x15: 0000000000000001
x14: 1fffe0001ba3961b x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000000
 x10: 0000000000000000
 x9 : 0000000000000000
x8 : ffff0000d717d340 x7 : ffff800083a64e7c x6 : 0000000000000000
x5 : 0000000000000000
 x4 : 0000000000000001
 x3 : ffff80008032f778

x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 drm_gem_object_handle_put_unlocked+0x220/0x2dc drivers/gpu/drm/drm_gem.c:225
 drm_gem_handle_create_tail+0x224/0x384 drivers/gpu/drm/drm_gem.c:407
 drm_gem_handle_create+0x60/0x74 drivers/gpu/drm/drm_gem.c:430
 drm_gem_shmem_create_with_handle drivers/gpu/drm/drm_gem_shmem_helper.c:417 [inline]
 drm_gem_shmem_dumb_create+0x21c/0x3b0 drivers/gpu/drm/drm_gem_shmem_helper.c:505
 drm_mode_create_dumb drivers/gpu/drm/drm_dumb_buffers.c:96 [inline]
 drm_mode_create_dumb_ioctl+0x1d0/0x250 drivers/gpu/drm/drm_dumb_buffers.c:102
 drm_ioctl_kernel+0x2cc/0x458 drivers/gpu/drm/drm_ioctl.c:789
 drm_ioctl+0x5e4/0xae4 drivers/gpu/drm/drm_ioctl.c:892
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl fs/ioctl.c:857 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:857
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595
irq event stamp: 344
hardirqs last  enabled at (343): [<ffff80008a719090>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (343): [<ffff80008a719090>] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (344): [<ffff80008a716d60>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436
softirqs last  enabled at (338): [<ffff800080021894>] softirq_handle_end kernel/softirq.c:399 [inline]
softirqs last  enabled at (338): [<ffff800080021894>] __do_softirq+0xac0/0xd54 kernel/softirq.c:582
softirqs last disabled at (311): [<ffff80008002aadc>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
---[ end trace 0000000000000000 ]---