RBP: 00007f5b71d483e0 R08: 00007f5b71c7ef96 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5b71d1517c R13: 00007f5b71c7f210 R14: 0023647261632f69 R15: 6972642f7665642f ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5043 at drivers/gpu/drm/drm_gem.c:225 drm_gem_object_handle_put_unlocked+0x29b/0x350 Modules linked in: CPU: 1 PID: 5043 Comm: syz-executor268 Not tainted 6.6.0-rc1-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: af fc eb 12 31 ff 89 de e8 62 b9 af fc 85 db 7e 26 e8 a9 b5 af fc 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 95 b5 af fc <0f> 0b eb e8 e8 8c b5 af fc 0f 0b eb df e8 83 b5 af fc 4c 89 f7 be RSP: 0018:ffffc90003b3fb50 EFLAGS: 00010293 RAX: ffffffff84ddedfb RBX: 1ffff11003f5f800 RCX: ffff888020c99dc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff84ddebd0 R09: 1ffff1100389181b R10: dffffc0000000000 R11: ffffed100389181c R12: ffff88801fafc008 R13: ffff88801c574000 R14: ffff88801fafc004 R15: 1ffff11003f5f801 FS: 00007f5b71c7f6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5b71d2a794 CR3: 000000002831c000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: drm_gem_handle_create_tail+0x227/0x380 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: 0033:0x7f5b71cc14e9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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:00007f5b71c7f1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f5b71d483e8 RCX: 00007f5b71cc14e9 RDX: 0000000020000080 RSI: 00000000c02064b2 RDI: 0000000000000003 RBP: 00007f5b71d483e0 R08: 00007f5b71c7ef96 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5b71d1517c R13: 00007f5b71c7f210 R14: 0023647261632f69 R15: 6972642f7665642f