------------[ cut here ]------------ WARNING: drivers/gpu/drm/drm_prime.c:224 at drm_prime_destroy_file_private+0x4b/0x60 drivers/gpu/drm/drm_prime.c:224, CPU#0: syz.5.2473/14400 Modules linked in: CPU: 0 UID: 0 PID: 14400 Comm: syz.5.2473 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+0x4b/0x60 drivers/gpu/drm/drm_prime.c:224 Code: 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 dd b8 e4 fc 48 83 3b 00 75 0c e8 52 79 7e fc 5b c3 cc cc cc cc cc e8 46 79 7e fc 90 <0f> 0b 90 5b c3 cc cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 RSP: 0018:ffffc9000bd1fc20 EFLAGS: 00010293 RAX: ffffffff8542e63a RBX: ffff88805be09410 RCX: ffff8880251c5b80 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88805be09380 RBP: ffff88805be092c8 R08: ffffc9000bd1fba7 R09: 1ffff920017a3f74 R10: dffffc0000000000 R11: fffff520017a3f75 R12: dffffc0000000000 R13: dead000000000100 R14: 0000000000000000 R15: ffff88805be092d8 FS: 0000555594798500(0000) GS:ffff888125a82000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f45505729e0 CR3: 000000006d35a000 CR4: 00000000003526f0 DR0: 0000000000000009 DR1: 00000000000001f8 DR2: 0000000000007a8d DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: drm_file_free+0x7f2/0xa00 drivers/gpu/drm/drm_file.c:269 drm_close_helper drivers/gpu/drm/drm_file.c:290 [inline] drm_release+0x2de/0x3f0 drivers/gpu/drm/drm_file.c:438 __fput+0x44c/0xa70 fs/file_table.c:468 task_work_run+0x1d4/0x260 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+0xff/0x4f0 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+0x2e9/0xfa0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5fb7d8f6c9 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:00007ffc41b4f5c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00000000000a93ad RCX: 00007f5fb7d8f6c9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007f5fb7fe7da0 R08: 0000000000000001 R09: 0000001741b4f8bf R10: 0000001b33120000 R11: 0000000000000246 R12: 00007f5fb7fe5fac R13: 00007f5fb7fe5fa0 R14: ffffffffffffffff R15: 00007ffc41b4f6e0