INFO: task udevd:4672 blocked for more than 143 seconds. Not tainted 6.10.0-syzkaller-12708-g2f8c4f506285 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:udevd state:D stack:21472 pid:4672 tgid:4672 ppid:1 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0x1800/0x4a60 kernel/sched/core.c:6529 __schedule_loop kernel/sched/core.c:6606 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6621 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752 uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline] kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410 kobject_uevent_env+0x57d/0x8e0 lib/kobject_uevent.c:608 kobject_synth_uevent+0x4ef/0xae0 lib/kobject_uevent.c:207 uevent_store+0x24/0x60 drivers/base/core.c:2763 kernfs_fop_write_iter+0x3a3/0x500 fs/kernfs/file.c:334 new_sync_write fs/read_write.c:497 [inline] vfs_write+0xa74/0xc90 fs/read_write.c:590 ksys_write+0x1a0/0x2c0 fs/read_write.c:643 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd7ced16bf2 RSP: 002b:00007ffd91829ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000563dca93b070 RCX: 00007fd7ced16bf2 RDX: 0000000000000007 RSI: 0000563dca92d930 RDI: 000000000000000c RBP: 0000000000000007 R08: 0000563dca92d930 R09: 0000000000000020 R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000007 R13: 0000563dca92d930 R14: 00007ffd9182a288 R15: 0000000000000000 INFO: task udevd:8545 blocked for more than 144 seconds. Not tainted 6.10.0-syzkaller-12708-g2f8c4f506285 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:udevd state:D stack:24272 pid:8545 tgid:8545 ppid:4672 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0x1800/0x4a60 kernel/sched/core.c:6529 __schedule_loop kernel/sched/core.c:6606 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6621 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752 device_lock include/linux/device.h:1009 [inline] uevent_show+0x17d/0x340 drivers/base/core.c:2743 dev_attr_show+0x57/0xc0 drivers/base/core.c:2437 sysfs_kf_seq_show+0x333/0x4c0 fs/sysfs/file.c:59 seq_read_iter+0x447/0xd60 fs/seq_file.c:230 new_sync_read fs/read_write.c:395 [inline] vfs_read+0x9bf/0xbc0 fs/read_write.c:476 ksys_read+0x1a0/0x2c0 fs/read_write.c:619 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd7ced16b6a RSP: 002b:00007ffd918213b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 0000563dca93b070 RCX: 00007fd7ced16b6a RDX: 0000000000001000 RSI: 0000563dca92d930 RDI: 0000000000000008 RBP: 0000563dca93b070 R08: 0000000000000008 R09: 0000000000002000 R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000003fff R14: 00007ffd91821898 R15: 000000000000000a INFO: task syz-executor:9631 blocked for more than 146 seconds. Not tainted 6.10.0-syzkaller-12708-g2f8c4f506285 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:20432 pid:9631 tgid:9631 ppid:1 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0x1800/0x4a60 kernel/sched/core.c:6529 __schedule_loop kernel/sched/core.c:6606 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6621 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752 uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline] kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410 kobject_uevent_env+0x57d/0x8e0 lib/kobject_uevent.c:608 __loop_clr_fd drivers/block/loop.c:1164 [inline] lo_release+0x47f/0x850 drivers/block/loop.c:1739 bdev_release+0x5e5/0x700 blkdev_release+0x15/0x20 block/fops.c:638 __fput+0x24c/0x8a0 fs/file_table.c:422 __do_sys_close fs/open.c:1566 [inline] __se_sys_close fs/open.c:1551 [inline] __x64_sys_close+0x7f/0x110 fs/open.c:1551 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0e6db75fca RSP: 002b:00007ffcabceb180 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0e6db75fca RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007ffcabceb1cc R08: 0000000000000000 R09: 00007ffcabceaee7 R10: 0000000000000000 R11: 0000000000000293 R12: 000055558649d5eb R13: 000055558649d590 R14: 000000000008179a R15: 00007ffcabceb220 INFO: task syz.5.1428:10139 blocked for more than 148 seconds. Not tainted 6.10.0-syzkaller-12708-g2f8c4f506285 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.5.1428 state:D stack:24672 pid:10139 tgid:10139 ppid:9486 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0x1800/0x4a60 kernel/sched/core.c:6529 __schedule_loop kernel/sched/core.c:6606 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6621 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752 uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline] kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410 kobject_uevent_env+0x57d/0x8e0 lib/kobject_uevent.c:608 device_remove drivers/base/dd.c:566 [inline] __device_release_driver drivers/base/dd.c:1272 [inline] device_release_driver_internal+0x4ab/0x7c0 drivers/base/dd.c:1295 driver_detach+0x1fb/0x2d0 drivers/base/dd.c:1358 bus_remove_driver+0x1f3/0x320 drivers/base/bus.c:742 usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1733 raw_release+0xf9/0x1e0 drivers/usb/gadget/legacy/raw_gadget.c:462 __fput+0x24c/0x8a0 fs/file_table.c:422 task_work_run+0x251/0x310 kernel/task_work.c:222 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f45c7d77299 RSP: 002b:00007ffde30fbb08 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 000000000008108a RCX: 00007f45c7d77299 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007ffde30fbbe0 R08: 0000000000000001 R09: 00007ffde30fbdef R10: 00007f45c7c00000 R11: 0000000000000246 R12: 000000000000015e R13: 00007ffde30fbc00 R14: 00007ffde30fbc20 R15: ffffffffffffffff INFO: task syz.1.1447:10189 blocked for more than 149 seconds. Not tainted 6.10.0-syzkaller-12708-g2f8c4f506285 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.1447 state:D stack:26336 pid:10189 tgid:10188 ppid:8504 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0x1800/0x4a60 kernel/sched/core.c:6529 __schedule_loop kernel/sched/core.c:6606 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6621 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752 uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline] kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410 kobject_uevent_env+0x57d/0x8e0 lib/kobject_uevent.c:608 device_add+0x63b/0xbf0 drivers/base/core.c:3660 input_register_device+0xa53/0x1110 drivers/input/input.c:2456 uinput_create_device+0x40e/0x630 drivers/input/misc/uinput.c:365 uinput_ioctl_handler+0x48b/0x1770 drivers/input/misc/uinput.c:904 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfe/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1bb3377299 RSP: 002b:00007f1bb2dff048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f1bb3505f80 RCX: 00007f1bb3377299 RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000004 RBP: 00007f1bb33e48e6 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f1bb3505f80 R15: 00007fff44aa96c8 INFO: task syz.0.1451:10212 blocked for more than 150 seconds. Not tainted 6.10.0-syzkaller-12708-g2f8c4f506285 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.1451 state:D stack:26032 pid:10212 tgid:10211 ppid:9844 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0x1800/0x4a60 kernel/sched/core.c:6529 __schedule_loop kernel/sched/core.c:6606 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6621 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752 uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline] kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410 kobject_uevent_env+0x57d/0x8e0 lib/kobject_uevent.c:608 gadget_bind_driver+0x5ce/0x9f0 drivers/usb/gadget/udc/core.c:1630 really_probe+0x2ba/0xad0 drivers/base/dd.c:657 __driver_probe_device+0x1a2/0x390 drivers/base/dd.c:799 driver_probe_device+0x50/0x430 drivers/base/dd.c:829 __driver_attach+0x45f/0x710 drivers/base/dd.c:1215 bus_for_each_dev+0x23b/0x2b0 drivers/base/bus.c:368 bus_add_driver+0x346/0x670 drivers/base/bus.c:673 driver_register+0x23a/0x320 drivers/base/driver.c:246 usb_gadget_register_driver_owner+0xdd/0x230 drivers/usb/gadget/udc/core.c:1701 raw_ioctl_run drivers/usb/gadget/legacy/raw_gadget.c:595 [inline] raw_ioctl+0x13a5/0x3cd0 drivers/usb/gadget/legacy/raw_gadget.c:1306