------------[ cut here ]------------ WARNING: CPU: 1 PID: 7229 at drivers/gpu/drm/drm_gem.c:286 drm_gem_object_handle_put_unlocked+0x284/0x310 drivers/gpu/drm/drm_gem.c:286 Modules linked in: CPU: 1 UID: 0 PID: 7229 Comm: syz.1.367 Not tainted 6.16.0-rc5-syzkaller-00121-gbc9ff192a6c9 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:drm_gem_object_handle_put_unlocked+0x284/0x310 drivers/gpu/drm/drm_gem.c:286 Code: 03 0f b6 04 02 84 c0 74 0c 3c 03 7f 08 4c 89 f7 e8 41 95 ab fc c7 83 20 01 00 00 00 00 00 00 e9 b2 fe ff ff e8 9d b8 44 fc 90 <0f> 0b 90 5b 5d 41 5c 41 5d 41 5e e9 8c b8 44 fc e8 87 b8 44 fc be RSP: 0018:ffffc9000358fbb0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888102b29800 RCX: ffffffff85773c63 RDX: ffff888058678000 RSI: ffffffff85773e73 RDI: 0000000000000005 RBP: ffff888102b29804 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888105226000 R13: ffff888102b29808 R14: 0000000000000000 R15: 0000000000000001 FS: 0000555568884500(0000) GS:ffff8880d6815000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f520220 CR3: 000000002559f000 CR4: 0000000000352ef0 Call Trace: drm_gem_object_release_handle+0x9a/0xc0 drivers/gpu/drm/drm_gem.c:324 idr_for_each+0x143/0x270 lib/idr.c:208 drm_gem_release+0x27/0x40 drivers/gpu/drm/drm_gem.c:999 drm_file_free.part.0+0x671/0xbf0 drivers/gpu/drm/drm_file.c:249 drm_file_free drivers/gpu/drm/drm_file.c:228 [inline] drm_close_helper.isra.0+0x186/0x1f0 drivers/gpu/drm/drm_file.c:278 drm_release+0x1ab/0x360 drivers/gpu/drm/drm_file.c:426 __fput+0x402/0xb70 fs/file_table.c:465 task_work_run+0x14d/0x240 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xeb/0x110 kernel/entry/common.c:114 exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline] do_syscall_64+0x3f6/0x4c0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f68cfd8e929 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:00007fff5662de18 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007f68cffb7ba0 RCX: 00007f68cfd8e929 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007f68cffb7ba0 R08: 0000000000000218 R09: 0000001e5662e10f R10: 00007f68cffb7ac0 R11: 0000000000000246 R12: 0000000000012a08 R13: 00007f68cffb6080 R14: ffffffffffffffff R15: 00007fff5662df30