Hello, syzbot found the following issue on: HEAD commit: 77d34a46 Merge tag 'for-linus' of git://git.armlinux.org.u.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1070a84c300000 kernel config: https://syzkaller.appspot.com/x/.config?x=de173057cf7f2559 dashboard link: https://syzkaller.appspot.com/bug?extid=48d0e7b5b3d19b7e1b17 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+48d0e7b5b3d19b7e1b17@xxxxxxxxxxxxxxxxxxxxxxxxx usbcore: registered new interface driver spca505 usbcore: registered new interface driver spca506 usbcore: registered new interface driver spca508 usbcore: registered new interface driver spca561 usbcore: registered new interface driver spca1528 usbcore: registered new interface driver sq905 usbcore: registered new interface driver sq905c usbcore: registered new interface driver sq930x usbcore: registered new interface driver sunplus usbcore: registered new interface driver stk014 usbcore: registered new interface driver stk1135 usbcore: registered new interface driver stv0680 usbcore: registered new interface driver t613 usbcore: registered new interface driver gspca_topro usbcore: registered new interface driver touptek usbcore: registered new interface driver tv8532 usbcore: registered new interface driver vc032x usbcore: registered new interface driver vicam usbcore: registered new interface driver xirlink-cit usbcore: registered new interface driver gspca_zc3xx usbcore: registered new interface driver ALi m5602 usbcore: registered new interface driver STV06xx usbcore: registered new interface driver gspca_gl860 usbcore: registered new interface driver Philips webcam usbcore: registered new interface driver airspy usbcore: registered new interface driver hackrf usbcore: registered new interface driver msi2500 cpia2: V4L-Driver for Vision CPiA2 based cameras v3.0.1 usbcore: registered new interface driver cpia2 au0828: au0828 driver loaded usbcore: registered new interface driver au0828 usbcore: registered new interface driver hdpvr usbcore: registered new interface driver pvrusb2 pvrusb2: V4L in-tree version:Hauppauge WinTV-PVR-USB2 MPEG2 Encoder/Tuner pvrusb2: Debug mask is 31 (0x1f) usbcore: registered new interface driver stk1160 usbcore: registered new interface driver cx231xx usbcore: registered new interface driver tm6000 usbcore: registered new interface driver em28xx em28xx: Registered (Em28xx v4l2 Extension) extension em28xx: Registered (Em28xx Audio Extension) extension em28xx: Registered (Em28xx dvb Extension) extension em28xx: Registered (Em28xx Input Extension) extension usbcore: registered new interface driver usbtv usbcore: registered new interface driver go7007 usbcore: registered new interface driver go7007-loader usbcore: registered new interface driver Abilis Systems as10x usb driver vivid-000: using single planar format API ====================================================== WARNING: possible circular locking dependency detected 5.13.0-syzkaller #0 Not tainted ------------------------------------------------------ swapper/0/1 is trying to acquire lock: ffffffff8ba9c9e0 (fs_reclaim){+.+.}-{0:0}, at: fs_reclaim_acquire+0xf7/0x160 mm/page_alloc.c:4585 but task is already holding lock: ffff8880b9c4d660 (lock#2){..-.}-{2:2}, at: __alloc_pages_bulk+0x4ad/0x1870 mm/page_alloc.c:5290 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (lock#2){..-.}-{2:2}: local_lock_acquire include/linux/local_lock_internal.h:42 [inline] rmqueue_pcplist mm/page_alloc.c:3674 [inline] rmqueue mm/page_alloc.c:3712 [inline] get_page_from_freelist+0x4aa/0x2f80 mm/page_alloc.c:4174 __alloc_pages+0x1b2/0x500 mm/page_alloc.c:5385 alloc_pages+0x18c/0x2a0 mm/mempolicy.c:2244 stack_depot_save+0x39d/0x4e0 lib/stackdepot.c:303 kasan_save_stack+0x32/0x40 mm/kasan/common.c:40 kasan_record_aux_stack+0xe5/0x110 mm/kasan/generic.c:348 insert_work+0x48/0x370 kernel/workqueue.c:1332 __queue_work+0x5c1/0xed0 kernel/workqueue.c:1498 __queue_delayed_work+0x1c8/0x270 kernel/workqueue.c:1645 queue_delayed_work_on+0x105/0x120 kernel/workqueue.c:1681 process_one_work+0x98d/0x1630 kernel/workqueue.c:2276 worker_thread+0x658/0x11f0 kernel/workqueue.c:2422 kthread+0x3e5/0x4d0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 -> #1 (&pool->lock){-.-.}-{2:2}: __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:151 __queue_work+0x366/0xed0 kernel/workqueue.c:1455 queue_work_on+0xee/0x110 kernel/workqueue.c:1525 queue_work include/linux/workqueue.h:507 [inline] schedule_work include/linux/workqueue.h:568 [inline] __vfree_deferred mm/vmalloc.c:2609 [inline] vfree_atomic+0xac/0xe0 mm/vmalloc.c:2627 free_thread_stack kernel/fork.c:292 [inline] release_task_stack kernel/fork.c:432 [inline] put_task_stack+0x2e0/0x4e0 kernel/fork.c:443 finish_task_switch.isra.0+0x77f/0xa50 kernel/sched/core.c:4595 context_switch kernel/sched/core.c:4686 [inline] __schedule+0x942/0x26f0 kernel/sched/core.c:5940 preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:6328 irqentry_exit+0x31/0x80 kernel/entry/common.c:427 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 lock_acquire+0x1ef/0x510 kernel/locking/lockdep.c:5593 __fs_reclaim_acquire mm/page_alloc.c:4563 [inline] fs_reclaim_acquire+0x117/0x160 mm/page_alloc.c:4577 might_alloc include/linux/sched/mm.h:198 [inline] slab_pre_alloc_hook mm/slab.h:485 [inline] slab_alloc_node mm/slub.c:2891 [inline] slab_alloc mm/slub.c:2978 [inline] kmem_cache_alloc+0x3e/0x4a0 mm/slub.c:2983 kmem_cache_zalloc include/linux/slab.h:711 [inline] __alloc_file+0x21/0x280 fs/file_table.c:101 alloc_empty_file+0x6d/0x170 fs/file_table.c:150 path_openat+0xde/0x27f0 fs/namei.c:3493 do_filp_open+0x1aa/0x400 fs/namei.c:3534 do_open_execat+0x116/0x690 fs/exec.c:910 bprm_execve fs/exec.c:1806 [inline] bprm_execve+0x48c/0x19b0 fs/exec.c:1793 kernel_execve+0x370/0x460 fs/exec.c:1974 call_usermodehelper_exec_async+0x2e3/0x580 kernel/umh.c:112 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 -> #0 (fs_reclaim){+.+.}-{0:0}: check_prev_add kernel/locking/lockdep.c:3051 [inline] check_prevs_add kernel/locking/lockdep.c:3174 [inline] validate_chain kernel/locking/lockdep.c:3789 [inline] __lock_acquire+0x2a07/0x54a0 kernel/locking/lockdep.c:5015 lock_acquire kernel/locking/lockdep.c:5625 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590 __fs_reclaim_acquire mm/page_alloc.c:4563 [inline] fs_reclaim_acquire+0x117/0x160 mm/page_alloc.c:4577 prepare_alloc_pages+0x15c/0x580 mm/page_alloc.c:5175 __alloc_pages+0x12f/0x500 mm/page_alloc.c:5374 alloc_page_interleave+0x1e/0x200 mm/mempolicy.c:2119 alloc_pages+0x238/0x2a0 mm/mempolicy.c:2242 stack_depot_save+0x39d/0x4e0 lib/stackdepot.c:303 save_stack+0x15e/0x1e0 mm/page_owner.c:120 __set_page_owner+0x50/0x290 mm/page_owner.c:181 prep_new_page mm/page_alloc.c:2444 [inline] __alloc_pages_bulk+0x8b9/0x1870 mm/page_alloc.c:5312 alloc_pages_bulk_array_node include/linux/gfp.h:557 [inline] vm_area_alloc_pages mm/vmalloc.c:2793 [inline] __vmalloc_area_node mm/vmalloc.c:2863 [inline] __vmalloc_node_range+0x39d/0x960 mm/vmalloc.c:2966 __vmalloc_node mm/vmalloc.c:3015 [inline] vzalloc+0x67/0x80 mm/vmalloc.c:3085 tpg_alloc+0x277/0x530 drivers/media/common/v4l2-tpg/v4l2-tpg-core.c:146 vivid_create_instance drivers/media/test-drivers/vivid/vivid-core.c:1770 [inline] vivid_probe.cold+0x1d80/0x86a5 drivers/media/test-drivers/vivid/vivid-core.c:2001 platform_probe+0xfc/0x1f0 drivers/base/platform.c:1427 call_driver_probe drivers/base/dd.c:517 [inline] really_probe+0x23c/0xcd0 drivers/base/dd.c:595 __driver_probe_device+0x338/0x4d0 drivers/base/dd.c:747 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:777 __driver_attach+0x22d/0x4e0 drivers/base/dd.c:1136 bus_for_each_dev+0x147/0x1d0 drivers/base/bus.c:301 bus_add_driver+0x3a9/0x630 drivers/base/bus.c:618 driver_register+0x220/0x3a0 drivers/base/driver.c:171 vivid_init+0x37/0x64 drivers/media/test-drivers/vivid/vivid-core.c:2131 do_one_initcall+0x103/0x650 init/main.c:1280 do_initcall_level init/main.c:1353 [inline] do_initcalls init/main.c:1369 [inline] do_basic_setup init/main.c:1389 [inline] kernel_init_freeable+0x6b8/0x741 init/main.c:1591 kernel_init+0x1a/0x1d0 init/main.c:1483 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 other info that might help us debug this: Chain exists of: fs_reclaim --> &pool->lock --> lock#2 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(lock#2); lock(&pool->lock); lock(lock#2); lock(fs_reclaim); *** DEADLOCK *** 2 locks held by swapper/0/1: #0: ffffffff8cc8d228 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:754 [inline] #0: ffffffff8cc8d228 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1028 [inline] #0: ffffffff8cc8d228 (&dev->mutex){....}-{3:3}, at: __driver_attach+0x222/0x4e0 drivers/base/dd.c:1135 #1: ffff8880b9c4d660 (lock#2){..-.}-{2:2}, at: __alloc_pages_bulk+0x4ad/0x1870 mm/page_alloc.c:5290 stack backtrace: CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.13.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:96 check_noncircular+0x25f/0x2e0 kernel/locking/lockdep.c:2131 check_prev_add kernel/locking/lockdep.c:3051 [inline] check_prevs_add kernel/locking/lockdep.c:3174 [inline] validate_chain kernel/locking/lockdep.c:3789 [inline] __lock_acquire+0x2a07/0x54a0 kernel/locking/lockdep.c:5015 lock_acquire kernel/locking/lockdep.c:5625 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590 __fs_reclaim_acquire mm/page_alloc.c:4563 [inline] fs_reclaim_acquire+0x117/0x160 mm/page_alloc.c:4577 prepare_alloc_pages+0x15c/0x580 mm/page_alloc.c:5175 __alloc_pages+0x12f/0x500 mm/page_alloc.c:5374 alloc_page_interleave+0x1e/0x200 mm/mempolicy.c:2119 alloc_pages+0x238/0x2a0 mm/mempolicy.c:2242 stack_depot_save+0x39d/0x4e0 lib/stackdepot.c:303 save_stack+0x15e/0x1e0 mm/page_owner.c:120 __set_page_owner+0x50/0x290 mm/page_owner.c:181 prep_new_page mm/page_alloc.c:2444 [inline] __alloc_pages_bulk+0x8b9/0x1870 mm/page_alloc.c:5312 alloc_pages_bulk_array_node include/linux/gfp.h:557 [inline] vm_area_alloc_pages mm/vmalloc.c:2793 [inline] __vmalloc_area_node mm/vmalloc.c:2863 [inline] __vmalloc_node_range+0x39d/0x960 mm/vmalloc.c:2966 __vmalloc_node mm/vmalloc.c:3015 [inline] vzalloc+0x67/0x80 mm/vmalloc.c:3085 tpg_alloc+0x277/0x530 drivers/media/common/v4l2-tpg/v4l2-tpg-core.c:146 vivid_create_instance drivers/media/test-drivers/vivid/vivid-core.c:1770 [inline] vivid_probe.cold+0x1d80/0x86a5 drivers/media/test-drivers/vivid/vivid-core.c:2001 platform_probe+0xfc/0x1f0 drivers/base/platform.c:1427 call_driver_probe drivers/base/dd.c:517 [inline] really_probe+0x23c/0xcd0 drivers/base/dd.c:595 __driver_probe_device+0x338/0x4d0 drivers/base/dd.c:747 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:777 __driver_attach+0x22d/0x4e0 drivers/base/dd.c:1136 bus_for_each_dev+0x147/0x1d0 drivers/base/bus.c:301 bus_add_driver+0x3a9/0x630 drivers/base/bus.c:618 driver_register+0x220/0x3a0 drivers/base/driver.c:171 vivid_init+0x37/0x64 drivers/media/test-drivers/vivid/vivid-core.c:2131 do_one_initcall+0x103/0x650 init/main.c:1280 do_initcall_level init/main.c:1353 [inline] do_initcalls init/main.c:1369 [inline] do_basic_setup init/main.c:1389 [inline] kernel_init_freeable+0x6b8/0x741 init/main.c:1591 kernel_init+0x1a/0x1d0 init/main.c:1483 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 BUG: sleeping function called from invalid context at mm/page_alloc.c:5178 in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1, name: swapper/0 INFO: lockdep is turned off. irq event stamp: 880390 hardirqs last enabled at (880389): [<ffffffff892adbe0>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (880389): [<ffffffff892adbe0>] _raw_spin_unlock_irqrestore+0x50/0x70 kernel/locking/spinlock.c:191 hardirqs last disabled at (880390): [<ffffffff81b26ff7>] __alloc_pages_bulk+0x1017/0x1870 mm/page_alloc.c:5290 softirqs last enabled at (879778): [<ffffffff81463c3e>] invoke_softirq kernel/softirq.c:432 [inline] softirqs last enabled at (879778): [<ffffffff81463c3e>] __irq_exit_rcu+0x16e/0x1c0 kernel/softirq.c:636 softirqs last disabled at (879773): [<ffffffff81463c3e>] invoke_softirq kernel/softirq.c:432 [inline] softirqs last disabled at (879773): [<ffffffff81463c3e>] __irq_exit_rcu+0x16e/0x1c0 kernel/softirq.c:636 CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.13.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:96 ___might_sleep.cold+0x1f1/0x237 kernel/sched/core.c:9153 prepare_alloc_pages+0x3da/0x580 mm/page_alloc.c:5178 __alloc_pages+0x12f/0x500 mm/page_alloc.c:5374 alloc_page_interleave+0x1e/0x200 mm/mempolicy.c:2119 alloc_pages+0x238/0x2a0 mm/mempolicy.c:2242 stack_depot_save+0x39d/0x4e0 lib/stackdepot.c:303 save_stack+0x15e/0x1e0 mm/page_owner.c:120 __set_page_owner+0x50/0x290 mm/page_owner.c:181 prep_new_page mm/page_alloc.c:2444 [inline] __alloc_pages_bulk+0x8b9/0x1870 mm/page_alloc.c:5312 alloc_pages_bulk_array_node include/linux/gfp.h:557 [inline] vm_area_alloc_pages mm/vmalloc.c:2793 [inline] __vmalloc_area_node mm/vmalloc.c:2863 [inline] __vmalloc_node_range+0x39d/0x960 mm/vmalloc.c:2966 __vmalloc_node mm/vmalloc.c:3015 [inline] vzalloc+0x67/0x80 mm/vmalloc.c:3085 tpg_alloc+0x277/0x530 drivers/media/common/v4l2-tpg/v4l2-tpg-core.c:146 vivid_create_instance drivers/media/test-drivers/vivid/vivid-core.c:1770 [inline] vivid_probe.cold+0x1d80/0x86a5 drivers/media/test-drivers/vivid/vivid-core.c:2001 platform_probe+0xfc/0x1f0 drivers/base/platform.c:1427 call_driver_probe drivers/base/dd.c:517 [inline] really_probe+0x23c/0xcd0 drivers/base/dd.c:595 __driver_probe_device+0x338/0x4d0 drivers/base/dd.c:747 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:777 __driver_attach+0x22d/0x4e0 drivers/base/dd.c:1136 bus_for_each_dev+0x147/0x1d0 drivers/base/bus.c:301 bus_add_driver+0x3a9/0x630 drivers/base/bus.c:618 driver_register+0x220/0x3a0 drivers/base/driver.c:171 vivid_init+0x37/0x64 drivers/media/test-drivers/vivid/vivid-core.c:2131 do_one_initcall+0x103/0x650 init/main.c:1280 do_initcall_level init/main.c:1353 [inline] do_initcalls init/main.c:1369 [inline] do_basic_setup init/main.c:1389 [inline] kernel_init_freeable+0x6b8/0x741 init/main.c:1591 kernel_init+0x1a/0x1d0 init/main.c:1483 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 vivid-000: CEC adapter cec0 registered for HDMI input 0 vivid-000: V4L2 capture device registered as video3 vivid-000: CEC adapter cec1 registered for HDMI output 0 vivid-000: V4L2 output device registered as video4 vivid-000: V4L2 capture device registered as vbi0, supports raw and sliced VBI vivid-000: V4L2 output device registered as vbi1, supports raw and sliced VBI vivid-000: V4L2 capture device registered as swradio0 vivid-000: V4L2 receiver device registered as radio0 vivid-000: V4L2 transmitter device registered as radio1 vivid-000: V4L2 metadata capture device registered as video5 vivid-000: V4L2 metadata output device registered as video6 vivid-000: V4L2 touch capture device registered as v4l-touch0 vivid-001: using multiplanar format API vivid-001: CEC adapter cec2 registered for HDMI input 0 vivid-001: V4L2 capture device registered as video7 vivid-001: CEC adapter cec3 registered for HDMI output 0 vivid-001: V4L2 output device registered as video8 vivid-001: V4L2 capture device registered as vbi2, supports raw and sliced VBI vivid-001: V4L2 output device registered as vbi3, supports raw and sliced VBI vivid-001: V4L2 capture device registered as swradio1 vivid-001: V4L2 receiver device registered as radio2 vivid-001: V4L2 transmitter device registered as radio3 vivid-001: V4L2 metadata capture device registered as video9 vivid-001: V4L2 metadata output device registered as video10 vivid-001: V4L2 touch capture device registered as v4l-touch1 vivid-002: using single planar format API vivid-002: CEC adapter cec4 registered for HDMI input 0 vivid-002: V4L2 capture device registered as video11 vivid-002: CEC adapter cec5 registered for HDMI output 0 vivid-002: V4L2 output device registered as video12 vivid-002: V4L2 capture device registered as vbi4, supports raw and sliced VBI vivid-002: V4L2 output device registered as vbi5, supports raw and sliced VBI vivid-002: V4L2 capture device registered as swradio2 vivid-002: V4L2 receiver device registered as radio4 vivid-002: V4L2 transmitter device registered as radio5 vivid-002: V4L2 metadata capture device registered as video13 vivid-002: V4L2 metadata output device registered as video14 vivid-002: V4L2 touch capture device registered as v4l-touch2 vivid-003: using multiplanar format API vivid-003: CEC adapter cec6 registered for HDMI input 0 vivid-003: V4L2 capture device registered as video15 vivid-003: CEC adapter cec7 registered for HDMI output 0 vivid-003: V4L2 output device registered as video16 vivid-003: V4L2 capture device registered as vbi6, supports raw and sliced VBI vivid-003: V4L2 output device registered as vbi7, supports raw and sliced VBI vivid-003: V4L2 capture device registered as swradio3 vivid-003: V4L2 receiver device registered as radio6 vivid-003: V4L2 transmitter device registered as radio7 vivid-003: V4L2 metadata capture device registered as video17 vivid-003: V4L2 metadata output device registered as video18 vivid-003: V4L2 touch capture device registered as v4l-touch3 vivid-004: using single planar format API vivid-004: CEC adapter cec8 registered for HDMI input 0 vivid-004: V4L2 capture device registered as video19 vivid-004: CEC adapter cec9 registered for HDMI output 0 vivid-004: V4L2 output device registered as video20 vivid-004: V4L2 capture device registered as vbi8, supports raw and sliced VBI vivid-004: V4L2 output device registered as vbi9, supports raw and sliced VBI vivid-004: V4L2 capture device registered as swradio4 vivid-004: V4L2 receiver device registered as radio8 vivid-004: V4L2 transmitter device registered as radio9 vivid-004: V4L2 metadata capture device registered as video21 vivid-004: V4L2 metadata output device registered as video22 vivid-004: V4L2 touch capture device registered as v4l-touch4 vivid-005: using multiplanar format API vivid-005: CEC adapter cec10 registered for HDMI input 0 vivid-005: V4L2 capture device registered as video23 vivid-005: CEC adapter cec11 registered for HDMI output 0 vivid-005: V4L2 output device registered as video24 vivid-005: V4L2 capture device registered as vbi10, supports raw and sliced VBI vivid-005: V4L2 output device registered as vbi11, supports raw and sliced VBI vivid-005: V4L2 capture device registered as swradio5 vivid-005: V4L2 receiver device registered as radio10 vivid-005: V4L2 transmitter device registered as radio11 vivid-005: V4L2 metadata capture device registered as video25 vivid-005: V4L2 metadata output device registered as video26 vivid-005: V4L2 touch capture device registered as v4l-touch5 vivid-006: using single planar format API vivid-006: CEC adapter cec12 registered for HDMI input 0 vivid-006: V4L2 capture device registered as video27 vivid-006: CEC adapter cec13 registered for HDMI output 0 vivid-006: V4L2 output device registered as video28 vivid-006: V4L2 capture device registered as vbi12, supports raw and sliced VBI vivid-006: V4L2 output device registered as vbi13, supports raw and sliced VBI vivid-006: V4L2 capture device registered as swradio6 vivid-006: V4L2 receiver device registered as radio12 vivid-006: V4L2 transmitter device registered as radio13 vivid-006: V4L2 metadata capture device registered as video29 vivid-006: V4L2 metadata output device registered as video30 vivid-006: V4L2 touch capture device registered as v4l-touch6 vivid-007: using multiplanar format API vivid-007: CEC adapter cec14 registered for HDMI input 0 vivid-007: V4L2 capture device registered as video31 vivid-007: CEC adapter cec15 registered for HDMI output 0 vivid-007: V4L2 output device registered as video32 vivid-007: V4L2 capture device registered as vbi14, supports raw and sliced VBI vivid-007: V4L2 output device registered as vbi15, supports raw and sliced VBI vivid-007: V4L2 capture device registered as swradio7 vivid-007: V4L2 receiver device registered as radio14 vivid-007: V4L2 transmitter device registered as radio15 vivid-007: V4L2 metadata capture device registered as video33 vivid-007: V4L2 metadata output device registered as video34 vivid-007: V4L2 touch capture device registered as v4l-touch7 vivid-008: using single planar format API vivid-008: CEC adapter cec16 registered for HDMI input 0 vivid-008: V4L2 capture device registered as video35 vivid-008: CEC adapter cec17 registered for HDMI output 0 vivid-008: V4L2 output device registered as video36 vivid-008: V4L2 capture device registered as vbi16, supports raw and sliced VBI vivid-008: V4L2 output device registered as vbi17, supports raw and sliced VBI vivid-008: V4L2 capture device registered as swradio8 vivid-008: V4L2 receiver device registered as radio16 vivid-008: V4L2 transmitter device registered as radio17 vivid-008: V4L2 metadata capture device registered as video37 vivid-008: V4L2 metadata output device registered as video38 vivid-008: V4L2 touch capture device registered as v4l-touch8 vivid-009: using multiplanar format API vivid-009: CEC adapter cec18 registered for HDMI input 0 vivid-009: V4L2 capture device registered as video39 vivid-009: CEC adapter cec19 registered for HDMI output 0 vivid-009: V4L2 output device registered as video40 vivid-009: V4L2 capture device registered as vbi18, supports raw and sliced VBI vivid-009: V4L2 output device registered as vbi19, supports raw and sliced VBI vivid-009: V4L2 capture device registered as swradio9 vivid-009: V4L2 receiver device registered as radio18 vivid-009: V4L2 transmitter device registered as radio19 vivid-009: V4L2 metadata capture device registered as video41 vivid-009: V4L2 metadata output device registered as video42 vivid-009: V4L2 touch capture device registered as v4l-touch9 vivid-010: using single planar format API vivid-010: CEC adapter cec20 registered for HDMI input 0 vivid-010: V4L2 capture device registered as video43 vivid-010: CEC adapter cec21 registered for HDMI output 0 vivid-010: V4L2 output device registered as video44 vivid-010: V4L2 capture device registered as vbi20, supports raw and sliced VBI vivid-010: V4L2 output device registered as vbi21, supports raw and sliced VBI vivid-010: V4L2 capture device registered as swradio10 vivid-010: V4L2 receiver device registered as radio20 vivid-010: V4L2 transmitter device registered as radio21 vivid-010: V4L2 metadata capture device registered as video45 vivid-010: V4L2 metadata output device registered as video46 vivid-010: V4L2 touch capture device registered as v4l-touch10 vivid-011: using multiplanar format API vivid-011: CEC adapter cec22 registered for HDMI input 0 vivid-011: V4L2 capture device registered as video47 vivid-011: CEC adapter cec23 registered for HDMI output 0 vivid-011: V4L2 output device registered as video48 vivid-011: V4L2 capture device registered as vbi22, supports raw and sliced VBI vivid-011: V4L2 output device registered as vbi23, supports raw and sliced VBI vivid-011: V4L2 capture device registered as swradio11 vivid-011: V4L2 receiver device registered as radio22 vivid-011: V4L2 transmitter device registered as radio23 vivid-011: V4L2 metadata capture device registered as video49 vivid-011: V4L2 metadata output device registered as video50 vivid-011: V4L2 touch capture device registered as v4l-touch11 vivid-012: using single planar format API vivid-012: CEC adapter cec24 registered for HDMI input 0 vivid-012: V4L2 capture device registered as video51 vivid-012: CEC adapter cec25 registered for HDMI output 0 vivid-012: V4L2 output device registered as video52 vivid-012: V4L2 capture device registered as vbi24, supports raw and sliced VBI vivid-012: V4L2 output device registered as vbi25, supports raw and sliced VBI vivid-012: V4L2 capture device registered as swradio12 vivid-012: V4L2 receiver device registered as radio24 vivid-012: V4L2 transmitter device registered as radio25 vivid-012: V4L2 metadata capture device registered as video53 vivid-012: V4L2 metadata output device registered as video54 vivid-012: V4L2 touch capture device registered as v4l-touch12 vivid-013: using multiplanar format API vivid-013: CEC adapter cec26 registered for HDMI input 0 vivid-013: V4L2 capture device registered as video55 vivid-013: CEC adapter cec27 registered for HDMI output 0 vivid-013: V4L2 output device registered as video56 vivid-013: V4L2 capture device registered as vbi26, supports raw and sliced VBI vivid-013: V4L2 output device registered as vbi27, supports raw and sliced VBI vivid-013: V4L2 capture device registered as swradio13 vivid-013: V4L2 receiver device registered as radio26 vivid-013: V4L2 transmitter device registered as radio27 vivid-013: V4L2 metadata capture device registered as video57 vivid-013: V4L2 metadata output device registered as video58 vivid-013: V4L2 touch capture device registered as v4l-touch13 vivid-014: using single planar format API vivid-014: CEC adapter cec28 registered for HDMI input 0 vivid-014: V4L2 capture device registered as video59 vivid-014: CEC adapter cec29 registered for HDMI output 0 vivid-014: V4L2 output device registered as video60 vivid-014: V4L2 capture device registered as vbi28, supports raw and sliced VBI vivid-014: V4L2 output device registered as vbi29, supports raw and sliced VBI vivid-014: V4L2 capture device registered as swradio14 vivid-014: V4L2 receiver device registered as radio28 vivid-014: V4L2 transmitter device registered as radio29 vivid-014: V4L2 metadata capture device registered as video61 vivid-014: V4L2 metadata output device registered as video62 vivid-014: V4L2 touch capture device registered as v4l-touch14 vivid-015: using multiplanar format API vivid-015: CEC adapter cec30 registered for HDMI input 0 vivid-015: V4L2 capture device registered as video63 vivid-015: CEC adapter cec31 registered for HDMI output 0 vivid-015: V4L2 output device registered as video64 vivid-015: V4L2 capture device registered as vbi30, supports raw and sliced VBI vivid-015: V4L2 output device registered as vbi31, supports raw and sliced VBI vivid-015: V4L2 capture device registered as swradio15 vivid-015: V4L2 receiver device registered as radio30 vivid-015: V4L2 transmitter device registered as radio31 vivid-015: V4L2 metadata capture device registered as video65 vivid-015: V4L2 metadata output device registered as video66 vivid-015: V4L2 touch capture device registered as v4l-touch15 vim2m vim2m.0: Device registered as /dev/video0 vicodec vicodec.0: Device 'stateful-encoder' registered as /dev/video68 vicodec vicodec.0: Device 'stateful-decoder' registered as /dev/video69 vicodec vicodec.0: Device 'stateless-decoder' registered as /dev/video70 dvbdev: DVB: registering new adapter (dvb_vidtv_bridge) i2c i2c-0: DVB: registering adapter 0 frontend 0 (Dummy demod for DVB-T/T2/C/S/S2)... dvbdev: dvb_create_media_entity: media entity 'Dummy demod for DVB-T/T2/C/S/S2' registered. dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered. vidtv vidtv.0: Successfully initialized vidtv! usbcore: registered new interface driver radioshark usbcore: registered new interface driver radioshark2 usbcore: registered new interface driver dsbr100 usbcore: registered new interface driver radio-si470x usbcore: registered new interface driver radio-usb-si4713 usbcore: registered new interface driver radio-mr800 usbcore: registered new interface driver radio-keene usbcore: registered new interface driver radio-ma901 usbcore: registered new interface driver radio-raremono usbcore: registered new interface driver pcwd_usb device-mapper: uevent: version 1.0.3 device-mapper: ioctl: 4.45.0-ioctl (2021-03-22) initialised: dm-devel@xxxxxxxxxx device-mapper: multipath round-robin: version 1.2.0 loaded device-mapper: multipath queue-length: version 0.2.0 loaded device-mapper: multipath service-time: version 0.3.0 loaded device-mapper: raid: Loading target version 1.15.1 Bluetooth: HCI UART driver ver 2.3 Bluetooth: HCI UART protocol H4 registered Bluetooth: HCI UART protocol BCSP registered Bluetooth: HCI UART protocol LL registered Bluetooth: HCI UART protocol Three-wire (H5) registered Bluetooth: HCI UART protocol QCA registered Bluetooth: HCI UART protocol AG6XX registered Bluetooth: HCI UART protocol Marvell registered usbcore: registered new interface driver bcm203x usbcore: registered new interface driver bpa10x usbcore: registered new interface driver bfusb usbcore: registered new interface driver btusb usbcore: registered new interface driver ath3k CAPI 2.0 started up with major 68 (middleware) Modular ISDN core version 1.1.29 NET: Registered PF_ISDN protocol family DSP module 2.0 mISDN_dsp: DSP clocks every 80 samples. This equals 1 jiffies. mISDN: Layer-1-over-IP driver Rev. 2.00 0 virtual devices registered usbcore: registered new interface driver HFC-S_USB intel_pstate: CPU model not supported VUB300 Driver rom wait states = 1C irqpoll timeout = 0400 usbcore: registered new interface driver vub300 usbcore: registered new interface driver ushc iscsi: registered transport (iser) SoftiWARP attached Driver 'framebuffer' was unable to register with bus_type 'coreboot' because the bus was not initialized. Driver 'memconsole' was unable to register with bus_type 'coreboot' because the bus was not initialized. Driver 'vpd' was unable to register with bus_type 'coreboot' because the bus was not initialized. hid: raw HID events driver (C) Jiri Kosina usbcore: registered new interface driver usbhid usbhid: USB HID core driver usbcore: registered new interface driver es2_ap_driver comedi: version 0.7.76 - http://www.comedi.org usbcore: registered new interface driver dt9812 usbcore: registered new interface driver ni6501 usbcore: registered new interface driver usbdux usbcore: registered new interface driver usbduxfast usbcore: registered new interface driver usbduxsigma usbcore: registered new interface driver vmk80xx usbcore: registered new interface driver prism2_usb usbcore: registered new interface driver r8712u ashmem: initialized greybus: registered new driver hid greybus: registered new driver gbphy gb_gbphy: registered new driver usb asus_wmi: ASUS WMI generic driver loaded usbcore: registered new interface driver snd-usb-audio usbcore: registered new interface driver snd-ua101 usbcore: registered new interface driver snd-usb-usx2y usbcore: registered new interface driver snd-usb-us122l usbcore: registered new interface driver snd-usb-caiaq usbcore: registered new interface driver snd-usb-6fire usbcore: registered new interface driver snd-usb-hiface usbcore: registered new interface driver snd-bcd2000 usbcore: registered new interface driver snd_usb_pod usbcore: registered new interface driver snd_usb_podhd usbcore: registered new interface driver snd_usb_toneport usbcore: registered new interface driver snd_usb_variax drop_monitor: Initializing network drop monitor service NET: Registered PF_LLC protocol family GACT probability on Mirror/redirect action on Simple TC action Loaded netem: version 1.3 u32 classifier Performance counters on input device check on Actions configured nf_conntrack_irc: failed to register helpers nf_conntrack_sane: failed to register helpers nf_conntrack_sip: failed to register helpers xt_time: kernel timezone is -0000 IPVS: Registered protocols (TCP, UDP, SCTP, AH, ESP) IPVS: Connection hash table configured (size=4096, memory=64Kbytes) IPVS: ipvs loaded. IPVS: [rr] scheduler registered. IPVS: [wrr] scheduler registered. IPVS: [lc] scheduler registered. IPVS: [wlc] scheduler registered. IPVS: [fo] scheduler registered. IPVS: [ovf] scheduler registered. IPVS: [lblc] scheduler registered. IPVS: [lblcr] scheduler registered. IPVS: [dh] scheduler registered. IPVS: [sh] scheduler registered. IPVS: [mh] scheduler registered. IPVS: [sed] scheduler registered. IPVS: [nq] scheduler registered. IPVS: [twos] scheduler registered. IPVS: [sip] pe registered. ipip: IPv4 and MPLS over IPv4 tunneling driver gre: GRE over IPv4 demultiplexor driver ip_gre: GRE over IPv4 tunneling driver IPv4 over IPsec tunneling driver ipt_CLUSTERIP: ClusterIP Version 0.8 loaded successfully Initializing XFRM netlink socket IPsec XFRM device driver NET: Registered PF_INET6 protocol family Segment Routing with IPv6 RPL Segment Routing with IPv6 mip6: Mobile IPv6 sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver ip6_gre: GRE over IPv6 tunneling driver NET: Registered PF_PACKET protocol family NET: Registered PF_KEY protocol family Bridge firewalling registered NET: Registered PF_X25 protocol family X25: Linux Version 0.2 NET: Registered PF_NETROM protocol family NET: Registered PF_ROSE protocol family NET: Registered PF_AX25 protocol family can: controller area network core NET: Registered PF_CAN protocol family can: raw protocol can: broadcast manager protocol can: netlink gateway - max_hops=1 can: SAE J1939 can: isotp protocol Bluetooth: RFCOMM TTY layer initialized Bluetooth: RFCOMM socket layer initialized Bluetooth: RFCOMM ver 1.11 Bluetooth: BNEP (Ethernet Emulation) ver 1.3 Bluetooth: BNEP filters: protocol multicast Bluetooth: BNEP socket layer initialized Bluetooth: CMTP (CAPI Emulation) ver 1.0 Bluetooth: CMTP socket layer initialized Bluetooth: HIDP (Human Interface Emulation) ver 1.2 Bluetooth: HIDP socket layer initialized NET: Registered PF_RXRPC protocol family Key type rxrpc registered Key type rxrpc_s registered NET: Registered PF_KCM protocol family lec:lane_module_init: lec.c: initialized mpoa:atm_mpoa_init: mpc.c: initialized l2tp_core: L2TP core driver, V2.0 l2tp_ppp: PPPoL2TP kernel driver, V2.0 l2tp_ip: L2TP IP encapsulation support (L2TPv3) l2tp_netlink: L2TP netlink interface l2tp_eth: L2TP ethernet pseudowire support (L2TPv3) l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2TPv3) NET: Registered PF_PHONET protocol family 8021q: 802.1Q VLAN Support v1.8 DCCP: Activated CCID 2 (TCP-like) DCCP: Activated CCID 3 (TCP-Friendly Rate Control) sctp: Hash tables configured (bind 32/56) NET: Registered PF_RDS protocol family Registered RDS/infiniband transport Registered RDS/tcp transport tipc: Activated (version 2.0.0) NET: Registered PF_TIPC protocol family tipc: Started in single node mode NET: Registered PF_SMC protocol family 9pnet: Installing 9P2000 support NET: Registered PF_CAIF protocol family NET: Registered PF_IEEE802154 protocol family Key type dns_resolver registered Key type ceph registered libceph: loaded (mon/osd proto 15/24) batman_adv: B.A.T.M.A.N. advanced 2021.2 (compatibility version 15) loaded openvswitch: Open vSwitch switching datapath NET: Registered PF_VSOCK protocol family mpls_gso: MPLS GSO support IPI shorthand broadcast: enabled AVX2 version of gcm_enc/dec engaged. AES CTR mode by8 optimization enabled sched_clock: Marking stable (14944482050, 26399296)->(14981193022, -10311676) registered taskstats version 1 Loading compiled-in X.509 certificates Loaded X.509 cert 'Build time autogenerated kernel key: f850c787ad998c396ae089c083b940ff0a9abb77' zswap: loaded using pool lzo/zbud debug_vm_pgtable: [debug_vm_pgtable ]: Validating architecture page table helpers Key type ._fscrypt registered Key type .fscrypt registered Key type fscrypt-provisioning registered kAFS: Red Hat AFS client v0.1 registering. FS-Cache: Netfs 'afs' registered for caching Btrfs loaded, crc32c=crc32c-intel, assert=on, zoned=yes Key type big_key registered Key type encrypted registered AppArmor: AppArmor sha1 policy hashing enabled ima: No TPM chip found, activating TPM-bypass! Loading compiled-in module X.509 certificates Loaded X.509 cert 'Build time autogenerated kernel key: f850c787ad998c396ae089c083b940ff0a9abb77' ima: Allocated hash algorithm: sha256 ima: No architecture policies found evm: Initialising EVM extended attributes: evm: security.selinux (disabled) evm: security.SMACK64 (disabled) evm: security.SMACK64EXEC (disabled) evm: security.SMACK64TRANSMUTE (disabled) evm: security.SMACK64MMAP (disabled) evm: security.apparmor evm: security.ima evm: security.capability evm: HMAC attrs: 0x1 PM: Magic number: 13:578:855 tty ptyv7: hash matches tty ptysa: hash matches printk: console [netcon0] enabled netconsole: network logging started gtp: GTP module loaded (pdp ctx size 104 bytes) rdma_rxe: loaded cfg80211: Loading compiled-in X.509 certificates for regulatory database cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' ALSA device list: #0: Dummy 1 #1: Loopback 1 #2: Virtual MIDI Card 1 md: Waiting for all devices to be available before autodetect md: If you don't use raid, use raid=noautodetect md: Autodetecting RAID arrays. md: autorun ... md: ... autorun DONE. VFS: Cannot open root device "sda1" or unknown-block(0,0): error -6 Please append a correct "root=" boot option; here are the available partitions: 0100 4096 ram0 (driver?) 0101 4096 ram1 (driver?) 0102 4096 ram2 (driver?) 0103 4096 ram3 (driver?) 0104 4096 ram4 (driver?) 0105 4096 ram5 (driver?) 0106 4096 ram6 (driver?) 0107 4096 ram7 (driver?) 0108 4096 ram8 (driver?) 0109 4096 ram9 (driver?) 010a 4096 ram10 (driver?) 010b 4096 ram11 (driver?) 010c 4096 ram12 (driver?) 010d 4096 ram13 (driver?) 010e 4096 ram14 (driver?) 010f 4096 ram15 (driver?) 1f00 128 mtdblock0 (driver?) --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
