INFO: task kworker/1:1:28 blocked for more than 143 seconds.
      Not tainted 6.8.0-rc1-syzkaller-00046-gf1a27f081c1f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1     state:D stack:22384 pid:28    tgid:28    ppid:2      flags:0x00004000
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0xca8/0x30e0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0xe7/0x270 kernel/sched/core.c:6817
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x969/0x1340 kernel/locking/mutex.c:752
 del_gendisk+0x2af/0xb10 block/genhd.c:673
 sd_remove+0x8f/0x150 drivers/scsi/sd.c:3782
 device_remove drivers/base/dd.c:569 [inline]
 device_remove+0x11f/0x170 drivers/base/dd.c:561
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1295
 bus_remove_device+0x22c/0x420 drivers/base/bus.c:574
 device_del+0x39a/0xa50 drivers/base/core.c:3814
 __scsi_remove_device+0x30c/0x3f0 drivers/scsi/scsi_sysfs.c:1489
 scsi_forget_host+0x138/0x190 drivers/scsi/scsi_scan.c:2004
 scsi_remove_host+0x153/0x430 drivers/scsi/hosts.c:181
 quiesce_and_remove_host drivers/usb/storage/usb.c:855 [inline]
 usb_stor_disconnect+0x121/0x270 drivers/usb/storage/usb.c:1075
 usb_unbind_interface+0x1e5/0x960 drivers/usb/core/driver.c:461
 device_remove drivers/base/dd.c:569 [inline]
 device_remove+0x11f/0x170 drivers/base/dd.c:561
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1295
 bus_remove_device+0x22c/0x420 drivers/base/bus.c:574
 device_del+0x39a/0xa50 drivers/base/core.c:3814
 usb_disable_device+0x36c/0x7f0 drivers/usb/core/message.c:1416
 usb_disconnect+0x2e1/0x910 drivers/usb/core/hub.c:2286
 hub_port_connect drivers/usb/core/hub.c:5334 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5634 [inline]
 port_event drivers/usb/core/hub.c:5794 [inline]
 hub_event+0x1be0/0x4f40 drivers/usb/core/hub.c:5876
 process_one_work+0x884/0x15c0 kernel/workqueue.c:2633
 process_scheduled_works kernel/workqueue.c:2706 [inline]
 worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
 kthread+0x33c/0x440 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>
INFO: task udevd:12442 blocked for more than 143 seconds.
      Not tainted 6.8.0-rc1-syzkaller-00046-gf1a27f081c1f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd           state:D stack:26448 pid:12442 tgid:12442 ppid:2383   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0xca8/0x30e0 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0xe7/0x270 kernel/sched/core.c:6817
 blk_queue_enter+0x39e/0x610 block/blk-core.c:327
 blk_mq_alloc_request+0x43e/0x880 block/blk-mq.c:597
 scsi_alloc_request drivers/scsi/scsi_lib.c:1136 [inline]
 scsi_execute_cmd+0x129/0x770 drivers/scsi/scsi_lib.c:217
 ioctl_internal_command.constprop.0+0xe6/0x3e0 drivers/scsi/scsi_ioctl.c:79
 scsi_set_medium_removal+0x12d/0x1e0 drivers/scsi/scsi_ioctl.c:139
 sd_release+0x10b/0x130 drivers/scsi/sd.c:1463
 blkdev_put_whole+0xa5/0xe0 block/bdev.c:671
 bdev_release+0x509/0xa80 block/bdev.c:985
 blkdev_release+0x37/0x50 block/fops.c:631
 __fput+0x270/0xb70 fs/file_table.c:376
 __fput_sync+0x47/0x50 fs/file_table.c:461
 __do_sys_close fs/open.c:1554 [inline]
 __se_sys_close fs/open.c:1539 [inline]
 __x64_sys_close+0x87/0xf0 fs/open.c:1539
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x78/0x1c0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7ff15b4020a8
RSP: 002b:00007fff8886f778 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007ff15b2d6ae0 RCX: 00007ff15b4020a8
RDX: 000055d028fdfa5d RSI: 00007fff8886ef78 RDI: 0000000000000008
RBP: 000055d575aa8e10 R08: 0000000000000006 R09: 5dead614cf20fd2f
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000002
R13: 000055d575a90a90 R14: 0000000000000008 R15: 000055d575a87910
 </TASK>

Showing all locks held in the system:
8 locks held by kworker/1:1/28:
 #0: ffff888106abd538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2608
 #1: ffffc900001e7d80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2609
 #2: ffff88810b38f190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #2: ffff88810b38f190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5822
 #3: ffff88811ce86190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #3: ffff88811ce86190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x10a/0x910 drivers/usb/core/hub.c:2277
 #4: ffff888104eea160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #4: ffff888104eea160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
 #4: ffff888104eea160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1292
 #5: ffff88811219c0e0 (&shost->scan_mutex){+.+.}-{3:3}, at: scsi_remove_host+0x2c/0x430 drivers/scsi/hosts.c:169
 #6: ffff88813e57c370 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #6: ffff88813e57c370 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
 #6: ffff88813e57c370 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1292
 #7: ffff88811b7bd358 (&disk->open_mutex){+.+.}-{3:3}, at: del_gendisk+0x2af/0xb10 block/genhd.c:673
1 lock held by khungtaskd/29:
 #0: ffffffff87eadea0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
 #0: ffffffff87eadea0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
 #0: ffffffff87eadea0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
1 lock held by klogd/2372:
 #0: ffff8881f673bb18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x1f/0x30 kernel/sched/core.c:559
2 locks held by getty/2441:
 #0: ffff8881111d70a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
 #1: ffffc900000432f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc6/0x1490 drivers/tty/n_tty.c:2201
3 locks held by kworker/1:3/4808:
 #0: ffff888106abd538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2608
 #1: ffffc9000270fd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2609
 #2: ffff88810af03190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #2: ffff88810af03190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5822
5 locks held by kworker/1:5/4873:
 #0: ffff888106abd538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 kernel/workqueue.c:2608
 #1: ffffc900045e7d80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 kernel/workqueue.c:2609
 #2: ffff88810af07190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #2: ffff88810af07190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5822
 #3: ffff8881178b0190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #3: ffff8881178b0190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7f/0x4b0 drivers/base/dd.c:1005
 #4: ffffffff87e9b690 (console_srcu){....}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:303 [inline]
 #4: ffffffff87e9b690 (console_srcu){....}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:232 [inline]
 #4: ffffffff87e9b690 (console_srcu){....}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:286 [inline]
 #4: ffffffff87e9b690 (console_srcu){....}-{0:0}, at: console_flush_all+0x12d/0xd50 kernel/printk/printk.c:2959
1 lock held by udevd/12442:
 #0: ffff88811b7bd358 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0xcd/0xa80 block/bdev.c:969
1 lock held by syz-executor.4/14857:
 #0: 
ffff888106a91c78 (&hiddev->existancelock){+.+.}-{3:3}, at: hiddev_ioctl+0x170/0x1570 drivers/hid/usbhid/hiddev.c:610
1 lock held by syz-executor.4/14880:
 #0: ffff888106a91c78 (&hiddev->existancelock){+.+.}-{3:3}, at: hiddev_ioctl+0x170/0x1570 drivers/hid/usbhid/hiddev.c:610
2 locks held by syz-executor.3/14890:
 #0: ffffffff888e6ab0 (minor_rwsem){++++}-{3:3}, at: usb_open+0x27/0x2e0 drivers/usb/core/file.c:38
 #1: ffff888106a91c78 (&hiddev->existancelock){+.+.}-{3:3}, at: hiddev_open+0xca/0x6a0 drivers/hid/usbhid/hiddev.c:301

=============================================

NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc1-syzkaller-00046-gf1a27f081c1f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x26c/0x2d0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
 watchdog+0xf87/0x1210 kernel/hung_task.c:379
 kthread+0x33c/0x440 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2372 Comm: klogd Not tainted 6.8.0-rc1-syzkaller-00046-gf1a27f081c1f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:rb_insert_augmented_cached include/linux/rbtree_augmented.h:59 [inline]
RIP: 0010:rb_add_augmented_cached include/linux/rbtree_augmented.h:84 [inline]
RIP: 0010:__enqueue_entity+0x402/0x6f0 kernel/sched/fair.c:828
Code: 00 00 00 49 89 4f 40 49 8d 7f 48 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 d1 02 00 00 49 89 4f 48 <e9> 3c ff ff ff 88 54 24 17 48 89 4c 24 08 48 89 34 24 e8 67 a5 76
RSP: 0018:ffffc900003a7888 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff888115ba8090
RDX: 1ffff1103ece7781 RSI: ffff8881f673bc00 RDI: ffff8881f673bc08
RBP: fffffffddb537800 R08: ffff8881f673bc5c R09: ffff8881f673bbd0
R10: ffff8881f673bb00 R11: 0000000000000000 R12: ffff888115ba8080
R13: ffff888116683a80 R14: ffff888115ba8080 R15: ffff8881f673bbc0
FS:  00007f83754ca380(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7622617070 CR3: 00000001131cf000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 enqueue_entity kernel/sched/fair.c:5311 [inline]
 enqueue_task_fair+0x3a5/0x1ac0 kernel/sched/fair.c:6731
 enqueue_task kernel/sched/core.c:2118 [inline]
 activate_task+0xe9/0x250 kernel/sched/core.c:2148
 ttwu_do_activate+0x10d/0x660 kernel/sched/core.c:3795
 ttwu_queue kernel/sched/core.c:4048 [inline]
 try_to_wake_up+0x674/0x12a0 kernel/sched/core.c:4369
 autoremove_wake_function+0x16/0x150 kernel/sched/wait.c:384
 receiver_wake_function+0x53/0x80 net/core/datagram.c:82
 __wake_up_common+0x129/0x1d0 kernel/sched/wait.c:89
 __wake_up_common_lock kernel/sched/wait.c:106 [inline]
 __wake_up_sync_key+0x36/0x50 kernel/sched/wait.c:173
 sock_def_readable+0x156/0x750 net/core/sock.c:3342
 unix_dgram_sendmsg+0x113f/0x1c20 net/unix/af_unix.c:2114
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0xd5/0x180 net/socket.c:745
 __sys_sendto+0x225/0x310 net/socket.c:2191
 __do_sys_sendto net/socket.c:2203 [inline]
 __se_sys_sendto net/socket.c:2199 [inline]
 __x64_sys_sendto+0xe0/0x1b0 net/socket.c:2199
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x78/0x1c0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f837562c9b5
Code: 8b 44 24 08 48 83 c4 28 48 98 c3 48 98 c3 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 26 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 7a 48 8b 15 44 c4 0c 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffdfa45e918 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f837562c9b5
RDX: 000000000000003a RSI: 0000560dc8366a40 RDI: 0000000000000003
RBP: 0000560dc835e910 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013
R13: 00007f83757ba212 R14: 00007ffdfa45ea18 R15: 0000000000000000
 </TASK>