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) cryptd: max_cpu_qlen set to 1000 NET: Registered PF_ALG protocol family xor: automatically using best checksumming function avx 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 238) io scheduler mq-deadline registered io scheduler kyber registered io scheduler bfq registered 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/LNXSYSTM:00/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 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A Non-volatile memory driver v1.3 Linux agpgart interface v0.103 usbcore: registered new interface driver xillyusb ACPI: bus type drm_connector registered [drm] Initialized vgem 1.0.0 for vgem on minor 0 [drm] Initialized vkms 1.0.0 for vkms on minor 1 Console: switching to colour frame buffer device 128x48 faux_driver vkms: [drm] fb0: vkmsdrmfb frame buffer device 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 [drm] features: -virgl +edid -resource_blob -host_visible [drm] features: -context_init [drm] number of scanouts: 1 [drm] number of cap sets: 0 [drm] Initialized virtio_gpu 0.1.0 for 0000:00:01.0 on minor 2 fbcon: virtio_gpudrmfb (fb1) is primary device fbcon: Remapping primary device, fb1, to tty 1-63 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1 at ./include/linux/sched.h:2185 __clear_task_blocked_on include/linux/sched.h:2185 [inline] WARNING: CPU: 0 PID: 1 at ./include/linux/sched.h:2185 __ww_mutex_wound+0x21a/0x2b0 kernel/locking/ww_mutex.h:346 Modules linked in: CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.16.0-syzkaller-11852-g479058002c32 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__clear_task_blocked_on include/linux/sched.h:2185 [inline] RIP: 0010:__ww_mutex_wound+0x21a/0x2b0 kernel/locking/ww_mutex.h:346 Code: 5f 5d e9 09 98 e0 09 cc 90 0f 0b 90 e9 89 fe ff ff 90 0f 0b 90 e9 39 ff ff ff 90 0f 0b 90 4d 85 ff 0f 85 67 ff ff ff eb 95 90 <0f> 0b 90 eb 8f 48 c7 c1 70 93 a3 8f 80 e1 07 80 c1 03 38 c1 0f 8c RSP: 0000:ffffc900001365a0 EFLAGS: 00010046 RAX: ffff88803296f000 RBX: dffffc0000000000 RCX: b94fc0c81829cf00 RDX: 0000000000000322 RSI: ffffffff8dba6259 RDI: ffffffff8be33800 RBP: 0000000000000001 R08: ffff88803296e04f R09: 1ffff1100652dc09 R10: dffffc0000000000 R11: ffffed100652dc0a R12: ffff88801f18d2f8 R13: ffffc90000136988 R14: ffff88801f18c880 R15: ffff88803296e048 FS: 0000000000000000(0000) GS:ffff88808d218000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88801a201000 CR3: 000000000df36000 CR4: 0000000000352ef0 Call Trace: __ww_mutex_add_waiter kernel/locking/ww_mutex.h:574 [inline] __mutex_lock_common kernel/locking/mutex.c:638 [inline] __ww_mutex_lock+0xba3/0x2930 kernel/locking/mutex.c:767 ww_mutex_lock+0x3f/0x1c0 kernel/locking/mutex.c:885 modeset_lock+0x2be/0x650 drivers/gpu/drm/drm_modeset_lock.c:316 drm_atomic_get_plane_state+0x1d2/0x5a0 drivers/gpu/drm/drm_atomic.c:541 drm_client_modeset_commit_atomic+0x1e7/0x760 drivers/gpu/drm/drm_client_modeset.c:1055 drm_client_modeset_commit_locked+0xcb/0x4d0 drivers/gpu/drm/drm_client_modeset.c:1206 pan_display_atomic drivers/gpu/drm/drm_fb_helper.c:1388 [inline] drm_fb_helper_pan_display+0x3e7/0xbd0 drivers/gpu/drm/drm_fb_helper.c:1448 fb_pan_display+0x39b/0x680 drivers/video/fbdev/core/fbmem.c:193 bit_update_start+0x4d/0x1e0 drivers/video/fbdev/core/bitblit.c:380 fbcon_switch+0x1565/0x2040 drivers/video/fbdev/core/fbcon.c:2205 redraw_screen+0x56d/0xe90 drivers/tty/vt/vt.c:965 fbcon_prepare_logo+0x750/0xa10 drivers/video/fbdev/core/fbcon.c:649 con2fb_init_display drivers/video/fbdev/core/fbcon.c:835 [inline] set_con2fb_map+0xd30/0x13c0 drivers/video/fbdev/core/fbcon.c:901 do_fb_registered drivers/video/fbdev/core/fbcon.c:3011 [inline] fbcon_fb_registered+0x24e/0x610 drivers/video/fbdev/core/fbcon.c:3027 do_register_framebuffer drivers/video/fbdev/core/fbmem.c:512 [inline] register_framebuffer+0x6f9/0x880 drivers/video/fbdev/core/fbmem.c:578 __drm_fb_helper_initial_config_and_unlock+0x1307/0x18a0 drivers/gpu/drm/drm_fb_helper.c:1852 drm_fbdev_client_hotplug+0x16c/0x230 drivers/gpu/drm/clients/drm_fbdev_client.c:52 drm_client_register+0x172/0x210 drivers/gpu/drm/drm_client.c:141 drm_fbdev_client_setup+0x19f/0x3f0 drivers/gpu/drm/clients/drm_fbdev_client.c:159 drm_client_setup+0x107/0x220 drivers/gpu/drm/clients/drm_client_setup.c:46 virtio_gpu_probe+0x23a/0x2a0 drivers/gpu/drm/virtio/virtgpu_drv.c:110 virtio_dev_probe+0xcad/0xfe0 drivers/virtio/virtio.c:347 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x26a/0x9e0 drivers/base/dd.c:659 __driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:801 driver_probe_device+0x4f/0x430 drivers/base/dd.c:831 __driver_attach+0x452/0x700 drivers/base/dd.c:1217 bus_for_each_dev+0x230/0x2b0 drivers/base/bus.c:370 bus_add_driver+0x345/0x640 drivers/base/bus.c:678 driver_register+0x23a/0x320 drivers/base/driver.c:249 virtio_gpu_driver_init+0x96/0x110 drivers/gpu/drm/virtio/virtgpu_drv.c:194 do_one_initcall+0x233/0x820 init/main.c:1269 do_initcall_level+0x104/0x190 init/main.c:1331 do_initcalls+0x59/0xa0 init/main.c:1347 kernel_init_freeable+0x334/0x4b0 init/main.c:1579 kernel_init+0x1d/0x1d0 init/main.c:1469 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245