------------[ cut here ]------------ WARNING: CPU: 1 PID: 30585 at drivers/gpu/drm/drm_prime.c:223 drm_prime_destroy_file_private+0x4b/0x60 drivers/gpu/drm/drm_prime.c:223 Modules linked in: CPU: 1 UID: 0 PID: 30585 Comm: syz.0.6148 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:drm_prime_destroy_file_private+0x4b/0x60 drivers/gpu/drm/drm_prime.c:223 Code: 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 fd 5a f2 fc 48 83 3b 00 75 0c e8 c2 a5 8c fc 5b e9 cc c3 15 06 cc e8 b6 a5 8c fc 90 <0f> 0b 90 5b e9 bc c3 15 06 cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 RSP: 0018:ffffc9000501fc40 EFLAGS: 00010293 RAX: ffffffff853360da RBX: ffff888079d2e410 RCX: ffff8880263a0000 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888079d2e380 RBP: ffff888079d2e2c8 R08: ffffc9000501fbc7 R09: 1ffff92000a03f78 R10: dffffc0000000000 R11: fffff52000a03f79 R12: dffffc0000000000 R13: dead000000000100 R14: 0000000000000000 R15: ffff888079d2e2d8 FS: 0000000000000000(0000) GS:ffff88812623d000(0063) knlGS:0000000057c7e440 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000033e0cff8 CR3: 0000000065590000 CR4: 00000000003526f0 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:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xe9/0x130 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline] __do_fast_syscall_32+0x1f4/0x2b0 arch/x86/entry/syscall_32.c:309 do_fast_syscall_32+0x34/0x80 arch/x86/entry/syscall_32.c:331 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf704d539 Code: 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f753faec EFLAGS: 00000206 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000000000001e RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 4: 10 07 adc %al,(%rdi) 6: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi a: 10 08 adc %cl,(%rax) c: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 20: 00 51 52 add %dl,0x52(%rcx) 23: 55 push %rbp 24: 89 e5 mov %esp,%ebp 26: 0f 34 sysenter 28: cd 80 int $0x80 * 2a: 5d pop %rbp <-- trapping instruction 2b: 5a pop %rdx 2c: 59 pop %rcx 2d: c3 ret 2e: 90 nop 2f: 90 nop 30: 90 nop 31: 90 nop 32: 90 nop 33: 90 nop 34: 90 nop 35: 90 nop 36: 90 nop 37: 90 nop 38: 90 nop 39: 90 nop 3a: 90 nop 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop