------------[ cut here ]------------
WARNING: drivers/gpu/drm/drm_prime.c:224 at drm_prime_destroy_file_private+0x43/0x60 drivers/gpu/drm/drm_prime.c:224, CPU#1: syz.4.389/7463
Modules linked in:
CPU: 1 UID: 0 PID: 7463 Comm: syz.4.389 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:drm_prime_destroy_file_private+0x43/0x60 drivers/gpu/drm/drm_prime.c:224
Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 21 48 8b 83 90 00 00 00 48 85 c0 75 06 5b e9 e3 40 6c fc e8 de 40 6c fc 90 <0f> 0b 90 5b e9 d4 40 6c fc e8 cf 1a d6 fc eb d8 66 66 2e 0f 1f 84
RSP: 0018:ffffc90003097ca0 EFLAGS: 00010283
RAX: 0000000000001976 RBX: ffff88802b65d380 RCX: ffffc90010ce4000
RDX: 0000000000080000 RSI: ffffffff8552a592 RDI: ffff88802b65d410
RBP: ffff88802b65d000 R08: 0000000000000001 R09: fffff52000612f74
R10: ffffc90003097ba7 R11: 0000000000000000 R12: ffff888140ba6000
R13: ffff88802b65d2b0 R14: 0000000000000000 R15: ffff88802b65d2d8
FS:  00007f5b77df66c0(0000) GS:ffff8881249f5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000007b3e9000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 drm_file_free.part.0+0x7ee/0xcd0 drivers/gpu/drm/drm_file.c:269
 drm_file_free drivers/gpu/drm/drm_file.c:237 [inline]
 drm_close_helper.isra.0+0x186/0x1f0 drivers/gpu/drm/drm_file.c:290
 drm_release+0x1ab/0x360 drivers/gpu/drm/drm_file.c:438
 __fput+0x402/0xb70 fs/file_table.c:468
 task_work_run+0x150/0x240 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:44 [inline]
 exit_to_user_mode_loop+0xfb/0x540 kernel/entry/common.c:75
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
 do_syscall_64+0x4ee/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5b79b8f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5b77df6038 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007f5b79de5fa0 RCX: 00007f5b79b8f749
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000000000003
RBP: 00007f5b79c13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5b79de6038 R14: 00007f5b79de5fa0 R15: 00007ffe63a61d88
 </TASK>