INFO: task jbd2/sda1-8:4508 blocked for more than 143 seconds. Not tainted 6.10.0-rc1-syzkaller-00304-g83814698cf48 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:jbd2/sda1-8 state:D stack:24464 pid:4508 tgid:4508 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6837 io_schedule+0x8d/0x110 kernel/sched/core.c:9043 bit_wait_io+0x12/0xd0 kernel/sched/wait_bit.c:209 __wait_on_bit+0xb0/0x2f0 kernel/sched/wait_bit.c:49 out_of_line_wait_on_bit+0x1d5/0x260 kernel/sched/wait_bit.c:64 wait_on_buffer include/linux/buffer_head.h:415 [inline] journal_wait_on_commit_record fs/jbd2/commit.c:171 [inline] jbd2_journal_commit_transaction+0x3d7f/0x6760 fs/jbd2/commit.c:887 kjournald2+0x463/0x850 fs/jbd2/journal.c:201 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Showing all locks held in the system: 6 locks held by kworker/0:0/8: #0: ffff88801cebed48 ( (wq_completion)usb_hub_wq ){+.+.}-{0:0} , at: process_one_work kernel/workqueue.c:3206 [inline] , at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc900000d7d00 ( (work_completion)(&hub->events) ){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline] ){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffff888023851190 ( &dev->mutex ){....}-{3:3} , at: device_lock include/linux/device.h:1009 [inline] , at: hub_event+0x1fe/0x5150 drivers/usb/core/hub.c:5849 #3: ffff888074924190 ( &dev->mutex ){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline] ){....}-{3:3}, at: __device_attach+0x8e/0x520 drivers/base/dd.c:1003 #4: ffff888017f0b160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline] ffff888017f0b160 (&dev->mutex){....}-{3:3}, at: __device_attach+0x8e/0x520 drivers/base/dd.c:1003 #5: ffffffff8f0a4448 ( input_mutex ){+.+.}-{3:3} , at: input_register_device+0xade/0x1090 drivers/input/input.c:2463 6 locks held by migration/1/23: 1 lock held by khungtaskd/30: #0: ffffffff8e333f60 ( rcu_read_lock ){....}-{1:2} , at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline] , at: rcu_read_lock include/linux/rcupdate.h:781 [inline] , at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614 3 locks held by kworker/1:1/46: 7 locks held by kworker/1:1H/57: 6 locks held by kworker/0:2/1058: #0: ffff88801cebed48 ( (wq_completion)usb_hub_wq ){+.+.}-{0:0} , at: process_one_work kernel/workqueue.c:3206 [inline] , at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc900044a7d00 ( (work_completion)(&hub->events) ){+.+.}-{0:0} , at: process_one_work kernel/workqueue.c:3207 [inline] , at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffff888023839190 ( &dev->mutex ){....}-{3:3} , at: device_lock include/linux/device.h:1009 [inline] , at: hub_event+0x1fe/0x5150 drivers/usb/core/hub.c:5849 #3: ffff888017be2190 ( &dev->mutex ){....}-{3:3} , at: device_lock include/linux/device.h:1009 [inline] , at: __device_attach+0x8e/0x520 drivers/base/dd.c:1003 #4: ffff888029c8b160 ( &dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline] &dev->mutex){....}-{3:3}, at: __device_attach+0x8e/0x520 drivers/base/dd.c:1003 #5: ffffffff8f0a4448 ( input_mutex ){+.+.}-{3:3} , at: input_register_device+0xade/0x1090 drivers/input/input.c:2463 5 locks held by kworker/u8:7/2829: 3 locks held by kworker/u8:9/2885: 2 locks held by getty/4850: #0: ffff88802f9980a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc90002f162f0 ( &ldata->atomic_read_lock ){+.+.}-{3:3} , at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2201 6 locks held by kworker/0:4/5133: #0: ffff88801cebed48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc9000372fd00 ( (work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline] (work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffff888023938190 ( &dev->mutex ){....}-{3:3} , at: device_lock include/linux/device.h:1009 [inline] , at: hub_event+0x1fe/0x5150 drivers/usb/core/hub.c:5849 #3: ffff888069c46190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline] (&dev->mutex){....}-{3:3}, at: __device_attach+0x8e/0x520 drivers/base/dd.c:1003 #4: ffff88806999c160 ( &dev->mutex ){....}-{3:3} , at: device_lock include/linux/device.h:1009 [inline] , at: __device_attach+0x8e/0x520 drivers/base/dd.c:1003 #5: ffffffff8f0a4448 ( input_mutex ){+.+.}-{3:3} , at: input_register_device+0xade/0x1090 drivers/input/input.c:2463 2 locks held by kworker/1:3/5139: 2 locks held by kworker/1:4/5140: 6 locks held by kworker/1:5/5141: 2 locks held by kworker/1:6/5142: 4 locks held by udevd/5149: #0: ffff88802c89d668 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xb7/0xd60 fs/seq_file.c:182 #1: ffff888076e6cc88 ( &of->mutex #2 ){+.+.}-{3:3} , at: kernfs_seq_start+0x53/0x3b0 fs/kernfs/file.c:154 #2: ffff888015bb8e18 (kn->active#24){.+.+}-{0:0}, at: kernfs_seq_start+0x72/0x3b0 fs/kernfs/file.c:155 #3: ffff888069c46190 ( &dev->mutex ){....}-{3:3} , at: device_lock_interruptible include/linux/device.h:1014 [inline] , at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142 4 locks held by udevd/5150: #0: ffff88802c31f2f0 ( &p->lock){+.+.}-{3:3} , at: seq_read_iter+0xb7/0xd60 fs/seq_file.c:182 #1: ffff88806ae01088 ( &of->mutex #2 ){+.+.}-{3:3} , at: kernfs_seq_start+0x53/0x3b0 fs/kernfs/file.c:154 #2: ffff8880239e2878 ( kn->active #24){.+.+}-{0:0}, at: kernfs_seq_start+0x72/0x3b0 fs/kernfs/file.c:155 #3: ffff88806a792190 ( &dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:1014 [inline] &dev->mutex){....}-{3:3}, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142 4 locks held by udevd/5158: #0: ffff8880220a4418 ( &p->lock){+.+.}-{3:3} , at: seq_read_iter+0xb7/0xd60 fs/seq_file.c:182 #1: ffff888027acac88 ( &of->mutex #2 ){+.+.}-{3:3} , at: kernfs_seq_start+0x53/0x3b0 fs/kernfs/file.c:154 #2: ffff88801e80c2d8 ( kn->active#24){.+.+}-{0:0}, at: kernfs_seq_start+0x72/0x3b0 fs/kernfs/file.c:155 #3: ffff888017be2190 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:1014 [inline] ffff888017be2190 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142 4 locks held by udevd/5169: #0: ffff88802aeb68b8 ( &p->lock ){+.+.}-{3:3} , at: seq_read_iter+0xb7/0xd60 fs/seq_file.c:182 #1: ffff888074b41c88 ( &of->mutex #2 ){+.+.}-{3:3} , at: kernfs_seq_start+0x53/0x3b0 fs/kernfs/file.c:154 #2: ffff8880223253c8 (kn->active#24){.+.+}-{0:0}, at: kernfs_seq_start+0x72/0x3b0 fs/kernfs/file.c:155 #3: ffff888074924190 (&dev->mutex){....}-{3:3} , at: device_lock_interruptible include/linux/device.h:1014 [inline] , at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc1-syzkaller-00304-g83814698cf48 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline] watchdog+0xfde/0x1020 kernel/hung_task.c:379 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 0 to CPUs 1: yealink 5-1:36.0: unexpected response 0 NMI backtrace for cpu 1 CPU: 1 PID: 57 Comm: kworker/1:1H Not tainted 6.10.0-rc1-syzkaller-00304-g83814698cf48 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: kblockd blk_mq_requeue_work RIP: 0010:io_serial_in+0x76/0xb0 drivers/tty/serial/8250/8250_port.c:406 Code: 20 d2 59 fc 89 e9 41 d3 e6 48 83 c3 40 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 01 92 bf fc 44 03 33 44 89 f2 ec <0f> b6 c0 5b 41 5e 41 5f 5d c3 cc cc cc cc 89 e9 80 e1 07 38 c1 7c RSP: 0018:ffffc90000a17bd8 EFLAGS: 00000002 RAX: 1ffffffff2959c00 RBX: ffffffff94ace200 RCX: 0000000000000000 RDX: 00000000000003fd RSI: 0000000000000000 RDI: 0000000000000020 RBP: 0000000000000000 R08: ffffffff853c4456 R09: 1ffff11003f72046 R10: dffffc0000000000 R11: ffffffff853c4410 R12: dffffc0000000000 R13: 00000000000026ac R14: 00000000000003fd R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff8a2fc168 CR3: 000000000e132000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: serial_in drivers/tty/serial/8250/8250.h:117 [inline] serial_lsr_in drivers/tty/serial/8250/8250.h:139 [inline] wait_for_lsr drivers/tty/serial/8250/8250_port.c:2068 [inline] serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3315 [inline] serial8250_console_write+0x1099/0x1770 drivers/tty/serial/8250/8250_port.c:3393 console_emit_next_record kernel/printk/printk.c:2928 [inline] console_flush_all+0x865/0xfd0 kernel/printk/printk.c:2994 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3063 vprintk_emit+0x5a6/0x770 kernel/printk/printk.c:2345 dev_vprintk_emit+0x2ae/0x330 drivers/base/core.c:4951 dev_printk_emit+0xdd/0x120 drivers/base/core.c:4962 _dev_err+0x122/0x170 drivers/base/core.c:5017 urb_irq_callback+0x3b7/0x5b0 drivers/input/misc/yealink.c:433 __usb_hcd_giveback_urb+0x373/0x530 drivers/usb/core/hcd.c:1648 dummy_timer+0x830/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1987 __run_hrtimer kernel/time/hrtimer.c:1687 [inline] __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1751 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194 Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 fe b2 6a f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 33 67 d4 f5 65 8b 05 64 b1 72 74 85 c0 74 43 48 c7 04 24 0e 36 RSP: 0018:ffffc90000a18c00 EFLAGS: 00000206 RAX: f33f63daa26ab300 RBX: 1ffff92000143184 RCX: ffffffff8172c78a RDX: dffffc0000000000 RSI: ffffffff8bcaba80 RDI: 0000000000000001 RBP: ffffc90000a18c90 R08: ffffffff92fa85f7 R09: 1ffffffff25f50be R10: dffffc0000000000 R11: fffffbfff25f50bf R12: dffffc0000000000 R13: 1ffff92000143180 R14: ffffc90000a18c20 R15: 0000000000000246 __run_hrtimer kernel/time/hrtimer.c:1683 [inline] __hrtimer_run_queues+0x477/0xd50 kernel/time/hrtimer.c:1751 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1768 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5758 Code: 2b 00 74 08 4c 89 f7 e8 ba 7f 89 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25 RSP: 0018:ffffc9000132fa60 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff92000265f58 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: ffffffff8bcacc00 RDI: ffffffff8c1ff240 RBP: ffffc9000132fba8 R08: ffffffff92fa85f7 R09: 1ffffffff25f50be R10: dffffc0000000000 R11: fffffbfff25f50bf R12: 1ffff92000265f54 R13: dffffc0000000000 R14: ffffc9000132fac0 R15: 0000000000000246 process_one_work kernel/workqueue.c:3206 [inline] process_scheduled_works+0x91f/0x1830 kernel/workqueue.c:3312 worker_thread+0x86d/0xd70 kernel/workqueue.c:3393 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 3.124 msecs yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0 yealink 5-1:36.0: urb_ctl_callback - urb status -71 yealink 5-1:36.0: urb_irq_callback - urb status -71 yealink 5-1:36.0: unexpected response 0