RAX: ffffffffffffffda RBX: 00007fe78a39bf80 RCX: 00007fe78a27cae9 RDX: 0000000020000080 RSI: 00000000c02064b2 RDI: 0000000000000003 RBP: 00007fe78b080120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000000b R14: 00007fe78a39bf80 R15: 00007ffc62df7688 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5468 at drivers/gpu/drm/drm_gem.c:225 drm_gem_object_handle_put_unlocked+0x29b/0x350 Modules linked in: CPU: 0 PID: 5468 Comm: syz-executor.0 Not tainted 6.6.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 RIP: 0010:drm_gem_object_handle_put_unlocked+0x29b/0x350 drivers/gpu/drm/drm_gem.c:225 Code: ad fc eb 12 31 ff 89 de e8 d2 c2 ad fc 85 db 7e 26 e8 19 bf ad fc 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 05 bf ad fc <0f> 0b eb e8 e8 fc be ad fc 0f 0b eb df e8 f3 be ad fc 4c 89 f7 be RSP: 0018:ffffc900051bfb48 EFLAGS: 00010293 RAX: ffffffff84e04b6b RBX: 1ffff1100f539600 RCX: ffff88801d1f9dc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff84e04940 R09: 1ffff11005226a1b R10: dffffc0000000000 R11: ffffed1005226a1c R12: ffff88807a9cb008 R13: ffff88801c5dc000 R14: ffff88807a9cb004 R15: 1ffff1100f539601 FS: 00007fe78b0806c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055ca43bf0131 CR3: 000000006a0cf000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: drm_gem_handle_create_tail+0x2d4/0x500 drivers/gpu/drm/drm_gem.c:407 drm_gem_shmem_create_with_handle drivers/gpu/drm/drm_gem_shmem_helper.c:417 [inline] drm_gem_shmem_dumb_create+0x279/0x400 drivers/gpu/drm/drm_gem_shmem_helper.c:505 drm_ioctl_kernel+0x349/0x4f0 drivers/gpu/drm/drm_ioctl.c:789 drm_ioctl+0x636/0xb00 drivers/gpu/drm/drm_ioctl.c:892 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl+0xf8/0x170 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe78a27cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe78b0800c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fe78a39bf80 RCX: 00007fe78a27cae9 RDX: 0000000020000080 RSI: 00000000c02064b2 RDI: 0000000000000003 RBP: 00007fe78b080120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000000b R14: 00007fe78a39bf80 R15: 00007ffc62df7688