qnx6: QNX6 filesystem 1.0.0 registered. fuse: init (API version 7.45) 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 at 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#0: 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#0: swapper/0/1 Modules linked in: CPU: 0 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 72 7f 0b 41 8b b7 c8 00 00 00 <67> 48 0f b9 3a e9 fa fd ff ff 48 8b 5c 24 20 e8 91 c3 3a fc 48 8d RSP: 0000:ffffc90000047908 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888027555a80 RSI: 0000000000000024 RDI: ffffffff914fd480 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffffed1004ed7c23 R13: ffffed1004ed7c24 R14: 0000000000000001 R15: ffff8880276be028 FS: 0000000000000000(0000) GS:ffff8880d5b7b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88817ffff000 CR3: 000000000eb94000 CR4: 0000000000352ef0 Call Trace: 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:1353 do_initcall_level init/main.c:1415 [inline] do_initcalls init/main.c:1431 [inline] do_basic_setup init/main.c:1451 [inline] kernel_init_freeable+0x6ea/0x7b0 init/main.c:1666 kernel_init+0x21/0x1e0 init/main.c:1556 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 ---------------- 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 72 7f 0b lea 0xb7f723c(%rip),%rdi # 0xb7f725f 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 91 c3 3a fc call 0xfc3ac3cf 3e: 48 rex.W 3f: 8d .byte 0x8d