RDX: 0000000020000040 RSI: ffffffffffffffc6 RDI: 0000000000000003 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 0000000000000203 R14: 00000000004c3ea2 R15: 0000000000000009 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 11905 at lib/radix-tree.c:674 radix_tree_free_nodes lib/radix-tree.c:674 [inline] WARNING: CPU: 0 PID: 11905 at lib/radix-tree.c:674 idr_destroy+0x1e4/0x2c0 lib/radix-tree.c:1564 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 11905 Comm: syz-executor.2 Not tainted 5.6.0-rc3-next-20200228-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x188/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:221 __warn.cold+0x2f/0x35 kernel/panic.c:582 report_bug+0x27b/0x2f0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:175 [inline] fixup_bug arch/x86/kernel/traps.c:170 [inline] do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:267 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:radix_tree_free_nodes lib/radix-tree.c:674 [inline] RIP: 0010:idr_destroy+0x1e4/0x2c0 lib/radix-tree.c:1564 Code: 7b 08 48 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 a8 00 00 00 48 8b 43 18 48 39 c7 0f 84 50 ff ff ff 48 89 3c 24 e8 dc a3 b5 f9 <0f> 0b 48 8b 3c 24 e9 3c ff ff ff e8 cc a3 b5 f9 4c 89 fe bf 00 10 RSP: 0018:ffffc900090ffab8 EFLAGS: 00010216 RAX: 0000000000040000 RBX: ffff88808ded9380 RCX: ffffc9000dd4c000 RDX: 000000000001f5e8 RSI: ffffffff87bcf1a4 RDI: ffff88808ded9398 RBP: ffffc900090ffbd8 R08: ffff888042f3e4c0 R09: ffffed10145e5ca9 R10: ffffed10145e5ca8 R11: ffff8880a2f2e543 R12: 0000000000000001 R13: dffffc0000000000 R14: ffffc900090ffc18 R15: 0000000000000000 drm_mode_create_lease_ioctl+0x147b/0x17e0 drivers/gpu/drm/drm_lease.c:583 drm_ioctl_kernel+0x220/0x2f0 drivers/gpu/drm/drm_ioctl.c:787 drm_ioctl+0x4c9/0x980 drivers/gpu/drm/drm_ioctl.c:887 vfs_ioctl fs/ioctl.c:47 [inline] ksys_ioctl+0x11a/0x180 fs/ioctl.c:763 __do_sys_ioctl fs/ioctl.c:772 [inline] __se_sys_ioctl fs/ioctl.c:770 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:770 do_syscall_64+0xf6/0x790 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c4a9 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f88c0844c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f88c08456d4 RCX: 000000000045c4a9 RDX: 0000000020000040 RSI: ffffffffffffffc6 RDI: 0000000000000003 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 0000000000000203 R14: 00000000004c3ea2 R15: 0000000000000009 Kernel Offset: disabled Rebooting in 86400 seconds..