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WARNING: CPU: 1 PID: 6848 at drivers/gpu/drm/drm_gem.c:251 drm_gem_object_handle_put_unlocked+0x220/0x2dc drivers/gpu/drm/drm_gem.c:251
Modules linked in:
CPU: 1 UID: 0 PID: 6848 Comm: syz-executor.1 Not tainted 6.13.0-rc7-syzkaller-00071-g1950a0af2d55 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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:251
lr : drm_gem_object_handle_put_unlocked+0x220/0x2dc drivers/gpu/drm/drm_gem.c:251
sp : ffff8000a2c578a0
x29: ffff8000a2c578a0 x28: dfff800000000000 x27: 0000000000000001
x26: ffff0000cb278000 x25: 1fffe0001933bc01 x24: dfff800000000000
x23: 1fffe0001933bc00 x22: ffff0000c99de004 x21: ffff0000c99de008
x20: 0000000000000000 x19: ffff0000c99de000 x18: 0000000000000008
x17: 0000000000000000 x16: ffff8000803b4218 x15: 0000000000000001
x14: 1fffe0001c99701c x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000001 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000c4cddac0 x7 : ffff8000842a0e50 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80008047dcc8
x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 drm_gem_object_handle_put_unlocked+0x220/0x2dc drivers/gpu/drm/drm_gem.c:251 (P)
 drm_gem_handle_create_tail+0x224/0x384 drivers/gpu/drm/drm_gem.c:433
 drm_gem_handle_create+0x60/0x74 drivers/gpu/drm/drm_gem.c:456
 drm_gem_shmem_create_with_handle drivers/gpu/drm/drm_gem_shmem_helper.c:442 [inline]
 drm_gem_shmem_dumb_create+0x220/0x3b4 drivers/gpu/drm/drm_gem_shmem_helper.c:530
 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+0x26c/0x368 drivers/gpu/drm/drm_ioctl.c:796
 drm_ioctl+0x624/0xb14 drivers/gpu/drm/drm_ioctl.c:893
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl fs/ioctl.c:892 [inline]
 __arm64_sys_ioctl+0x14c/0x1cc fs/ioctl.c:892
 __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+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
irq event stamp: 494
hardirqs last  enabled at (493): [<ffff80008b6ab3bc>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline]
hardirqs last  enabled at (493): [<ffff80008b6ab3bc>] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:95
hardirqs last disabled at (494): [<ffff80008b6a8d44>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (488): [<ffff80008030f088>] softirq_handle_end kernel/softirq.c:407 [inline]
softirqs last  enabled at (488): [<ffff80008030f088>] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589
softirqs last disabled at (321): [<ffff800080020db4>] __do_softirq+0x14/0x20 kernel/softirq.c:595
---[ end trace 0000000000000000 ]---