fuse: init (API version 7.46)
orangefs_debugfs_init: called with debug mask: :none: :0:
orangefs_init: module version upstream loaded
JFS: nTxBlock = 8192, nTxLock = 65536
SGI XFS with ACLs, security attributes, realtime, scrub, repair, quota, no debug enabled
9p: Installing v9fs 9p2000 file system support
NILFS version 2 loaded
befs: version: 0.9.3
ocfs2: Registered cluster interface o2cb
ocfs2: Registered cluster interface user
OCFS2 User DLM kernel interface loaded
gfs2: GFS2 installed
ceph: loaded (mds proto 32)
NET: Registered PF_ALG protocol family
async_tx: api initialized (async)
Key type asymmetric registered
Asymmetric key parser 'x509' registered
Asymmetric key parser 'pkcs8' registered
Key type pkcs7_test registered
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239)
io scheduler mq-deadline registered
io scheduler kyber registered
io scheduler bfq registered
raid6: skipped pq benchmark and selected avx512x4
ACPI: \_SB_.GSIE: Enabled at IRQ 20
pcieport 0000:00:04.0: PME: Signaling with IRQ 25
pcieport 0000:00:04.0: AER: enabled with IRQ 26
input: Power Button as /devices/platform/LNXPWRBN:00/input/input0
ACPI: button: Power Button [PWRF]
ioatdma: Intel(R) QuickData Technology Driver 5.00
ACPI: \_SB_.GSIF: Enabled at IRQ 21
ACPI: \_SB_.GSIH: Enabled at IRQ 23
N_HDLC line discipline registered with maxframe=4096
Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
00:04: ttyS0 I/O:0x3f8 (irq = 4, base_baud = 115200) is a 16550A
Non-volatile memory driver v1.3
usbcore: registered new interface driver xillyusb
ACPI: bus type drm_connector registered
[drm] Initialized vgem 1.0.0 for vgem on minor 0
usbcore: registered new interface driver udl
[drm] pci: virtio-vga detected at 0000:00:01.0
virtio-pci 0000:00:01.0: vgaarb: deactivate vga console
Console: switching to colour dummy device 80x25
[drm] features: -virgl +edid -resource_blob -host_visible

[drm] features: -context_init -blob_alignment
[drm] number of scanouts: 1
[drm] number of cap sets: 0
------------[ cut here ]------------
[PLANE:36:plane-1] pixel format with alpha exposed but blend mode not setup
WARNING: drivers/gpu/drm/drm_mode_config.c:872 at validate_blend_mode_for_alpha_formats drivers/gpu/drm/drm_mode_config.c:872 [inline], CPU#1: swapper/0/1
WARNING: drivers/gpu/drm/drm_mode_config.c:872 at drm_mode_config_validate+0xfb4/0x1be0 drivers/gpu/drm/drm_mode_config.c:938, CPU#1: swapper/0/1
Modules linked in:
CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:validate_blend_mode_for_alpha_formats drivers/gpu/drm/drm_mode_config.c:872 [inline]
RIP: 0010:drm_mode_config_validate+0xfbb/0x1be0 drivers/gpu/drm/drm_mode_config.c:938
Code: 00 49 8b 57 18 48 89 f8 48 c1 e8 03 0f b6 04 28 84 c0 74 08 3c 03 0f 8e 00 0b 00 00 48 8d 3d 3c 7f 7e 0b 41 8b b7 c8 00 00 00 <67> 48 0f b9 3a e9 fa fd ff ff 48 8b 5c 24 20 e8 01 1d 3a fc 48 8d
RSP: 0000:ffffc90000047908 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888027d70a60 RSI: 0000000000000024 RDI: ffffffff91503650
RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffed1004d76a23
R13: ffffed1004d76a24 R14: 0000000000000001 R15: ffff888026bb5028
FS:  0000000000000000(0000) GS:ffff8880d5c6d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000eb96000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 drm_dev_register+0x56e/0x7b0 drivers/gpu/drm/drm_drv.c:1077
 virtio_gpu_probe+0x271/0x360 drivers/gpu/drm/virtio/virtgpu_drv.c:107
 virtio_dev_probe+0x6a2/0xbe0 drivers/virtio/virtio.c:347
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x210/0x460 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __driver_attach+0x21f/0x5b0 drivers/base/dd.c:1292
 bus_for_each_dev+0x13e/0x1d0 drivers/base/bus.c:383
 bus_add_driver+0x305/0x5b0 drivers/base/bus.c:763
 driver_register+0x1e2/0x360 drivers/base/driver.c:174
 virtio_gpu_driver_init+0xc9/0x170 drivers/gpu/drm/virtio/virtgpu_drv.c:298
 do_one_initcall+0x11c/0x6f0 init/main.c:1357
 do_initcall_level init/main.c:1419 [inline]
 do_initcalls init/main.c:1435 [inline]
 do_basic_setup init/main.c:1455 [inline]
 kernel_init_freeable+0x6ea/0x7b0 init/main.c:1670
 kernel_init+0x21/0x1e0 init/main.c:1560
 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
----------------
Code disassembly (best guess):
   0:	00 49 8b             	add    %cl,-0x75(%rcx)
   3:	57                   	push   %rdi
   4:	18 48 89             	sbb    %cl,-0x77(%rax)
   7:	f8                   	clc
   8:	48 c1 e8 03          	shr    $0x3,%rax
   c:	0f b6 04 28          	movzbl (%rax,%rbp,1),%eax
  10:	84 c0                	test   %al,%al
  12:	74 08                	je     0x1c
  14:	3c 03                	cmp    $0x3,%al
  16:	0f 8e 00 0b 00 00    	jle    0xb1c
  1c:	48 8d 3d 3c 7f 7e 0b 	lea    0xb7e7f3c(%rip),%rdi        # 0xb7e7f5f
  23:	41 8b b7 c8 00 00 00 	mov    0xc8(%r15),%esi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	e9 fa fd ff ff       	jmp    0xfffffe2e
  34:	48 8b 5c 24 20       	mov    0x20(%rsp),%rbx
  39:	e8 01 1d 3a fc       	call   0xfc3a1d3f
  3e:	48                   	rex.W
  3f:	8d                   	.byte 0x8d