INFO: task udevd:3124 blocked for more than 430 seconds. Not tainted 6.15.0-rc3-syzkaller-00001-g9d7a0577c9db #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:udevd state:D stack:0 pid:3124 tgid:3124 ppid:1 task_flags:0x400140 flags:0x0000000c Call trace: __switch_to+0x204/0x4bc arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5382 [inline] __schedule+0xd34/0x3188 kernel/sched/core.c:6767 __schedule_loop kernel/sched/core.c:6845 [inline] schedule+0xd0/0x344 kernel/sched/core.c:6860 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6917 __mutex_lock_common kernel/locking/mutex.c:678 [inline] __mutex_lock+0x5d8/0x9d8 kernel/locking/mutex.c:746 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:798 device_lock include/linux/device.h:922 [inline] uevent_show+0x118/0x300 drivers/base/core.c:2730 dev_attr_show+0x48/0xcc drivers/base/core.c:2424 sysfs_kf_seq_show+0x16c/0x300 fs/sysfs/file.c:65 kernfs_seq_show+0x104/0x154 fs/kernfs/file.c:205 seq_read_iter+0x350/0xe30 fs/seq_file.c:230 kernfs_fop_read_iter+0x308/0x460 fs/kernfs/file.c:279 new_sync_read fs/read_write.c:489 [inline] vfs_read+0x5c4/0x97c fs/read_write.c:570 ksys_read+0xec/0x1d8 fs/read_write.c:713 __do_sys_read fs/read_write.c:722 [inline] __se_sys_read fs/read_write.c:720 [inline] __arm64_sys_read+0x6c/0x9c fs/read_write.c:720 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x6c/0x258 arch/arm64/kernel/syscall.c:49 el0_svc_common.constprop.0+0xac/0x230 arch/arm64/kernel/syscall.c:132 do_el0_svc+0x40/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x50/0x180 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x10c/0x138 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 INFO: task udevd:3124 is blocked on a mutex likely owned by task kworker/0:4:3437. task:kworker/0:4 state:D stack:0 pid:3437 tgid:3437 ppid:2 task_flags:0x4208060 flags:0x00000008 Workqueue: events uhid_device_add_worker Call trace: __switch_to+0x204/0x4bc arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5382 [inline] __schedule+0xd34/0x3188 kernel/sched/core.c:6767 __schedule_loop kernel/sched/core.c:6845 [inline] schedule+0xd0/0x344 kernel/sched/core.c:6860 schedule_timeout+0x1ec/0x224 kernel/time/sleep_timeout.c:75 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common+0x1d0/0x3f8 kernel/sched/completion.c:116 wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion+0x20/0x2c kernel/sched/completion.c:148 devtmpfs_submit_req+0xac/0x114 drivers/base/devtmpfs.c:122 devtmpfs_create_node+0x120/0x18c drivers/base/devtmpfs.c:153 device_add+0xbd0/0x12bc drivers/base/core.c:3640 device_create_groups_vargs+0x19c/0x23c drivers/base/core.c:4348 device_create+0xa8/0xe0 drivers/base/core.c:4387 hidraw_connect+0x134/0x380 drivers/hid/hidraw.c:608 hid_connect+0xd08/0x11a4 drivers/hid/hid-core.c:2247 hid_hw_start drivers/hid/hid-core.c:2354 [inline] hid_hw_start+0x94/0x108 drivers/hid/hid-core.c:2345 hid_generic_probe drivers/hid/hid-generic.c:70 [inline] hid_generic_probe+0x64/0x7c drivers/hid/hid-generic.c:59 __hid_device_probe drivers/hid/hid-core.c:2717 [inline] hid_device_probe+0x2c0/0x5f8 drivers/hid/hid-core.c:2754 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x180/0x7d8 drivers/base/dd.c:658 __driver_probe_device+0x15c/0x364 drivers/base/dd.c:800 driver_probe_device+0x5c/0x16c drivers/base/dd.c:830 __device_attach_driver+0x16c/0x270 drivers/base/dd.c:958 bus_for_each_drv+0x104/0x18c drivers/base/bus.c:462 __device_attach+0x168/0x35c drivers/base/dd.c:1030 device_initial_probe+0x14/0x20 drivers/base/dd.c:1079 bus_probe_device+0x124/0x15c drivers/base/bus.c:537 device_add+0xc30/0x12bc drivers/base/core.c:3666 hid_add_device+0x3f0/0x860 drivers/hid/hid-core.c:2900 uhid_device_add_worker+0x4c/0x11c drivers/hid/uhid.c:73 process_one_work+0x7cc/0x18d4 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x734/0xb84 kernel/workqueue.c:3400 kthread+0x348/0x5fc kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 INFO: task kworker/1:3:3379 blocked for more than 430 seconds. Not tainted 6.15.0-rc3-syzkaller-00001-g9d7a0577c9db #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:3 state:D stack:0 pid:3379 tgid:3379 ppid:2 task_flags:0x4288060 flags:0x00000008 Workqueue: md_misc mddev_delayed_delete Call trace: __switch_to+0x204/0x4bc arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5382 [inline] __schedule+0xd34/0x3188 kernel/sched/core.c:6767 __schedule_loop kernel/sched/core.c:6845 [inline] schedule+0xd0/0x344 kernel/sched/core.c:6860 schedule_timeout+0x1ec/0x224 kernel/time/sleep_timeout.c:75 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common+0x1d0/0x3f8 kernel/sched/completion.c:116 wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion+0x20/0x2c kernel/sched/completion.c:148 devtmpfs_submit_req+0xac/0x114 drivers/base/devtmpfs.c:122 devtmpfs_delete_node+0xd8/0x128 drivers/base/devtmpfs.c:171 device_del+0x59c/0x7b4 drivers/base/core.c:3834 del_gendisk+0x3fc/0x87c block/genhd.c:734 md_kobj_release+0x84/0xd8 drivers/md/md.c:5749 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x17c/0x430 lib/kobject.c:737 mddev_delayed_delete+0x14/0x20 drivers/md/md.c:5828 process_one_work+0x7cc/0x18d4 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x734/0xb84 kernel/workqueue.c:3400 kthread+0x348/0x5fc kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 INFO: task kworker/0:4:3437 blocked for more than 430 seconds. Not tainted 6.15.0-rc3-syzkaller-00001-g9d7a0577c9db #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:4 state:D stack:0 pid:3437 tgid:3437 ppid:2 task_flags:0x4208060 flags:0x00000008 Workqueue: events uhid_device_add_worker Call trace: __switch_to+0x204/0x4bc arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5382 [inline] __schedule+0xd34/0x3188 kernel/sched/core.c:6767 __schedule_loop kernel/sched/core.c:6845 [inline] schedule+0xd0/0x344 kernel/sched/core.c:6860 schedule_timeout+0x1ec/0x224 kernel/time/sleep_timeout.c:75 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common+0x1d0/0x3f8 kernel/sched/completion.c:116 wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion+0x20/0x2c kernel/sched/completion.c:148 devtmpfs_submit_req+0xac/0x114 drivers/base/devtmpfs.c:122 devtmpfs_create_node+0x120/0x18c drivers/base/devtmpfs.c:153 device_add+0xbd0/0x12bc drivers/base/core.c:3640 device_create_groups_vargs+0x19c/0x23c drivers/base/core.c:4348 device_create+0xa8/0xe0 drivers/base/core.c:4387 hidraw_connect+0x134/0x380 drivers/hid/hidraw.c:608 hid_connect+0xd08/0x11a4 drivers/hid/hid-core.c:2247 hid_hw_start drivers/hid/hid-core.c:2354 [inline] hid_hw_start+0x94/0x108 drivers/hid/hid-core.c:2345 hid_generic_probe drivers/hid/hid-generic.c:70 [inline] hid_generic_probe+0x64/0x7c drivers/hid/hid-generic.c:59 __hid_device_probe drivers/hid/hid-core.c:2717 [inline] hid_device_probe+0x2c0/0x5f8 drivers/hid/hid-core.c:2754 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x180/0x7d8 drivers/base/dd.c:658 __driver_probe_device+0x15c/0x364 drivers/base/dd.c:800 driver_probe_device+0x5c/0x16c drivers/base/dd.c:830 __device_attach_driver+0x16c/0x270 drivers/base/dd.c:958 bus_for_each_drv+0x104/0x18c drivers/base/bus.c:462 __device_attach+0x168/0x35c drivers/base/dd.c:1030 device_initial_probe+0x14/0x20 drivers/base/dd.c:1079 bus_probe_device+0x124/0x15c drivers/base/bus.c:537 device_add+0xc30/0x12bc drivers/base/core.c:3666 hid_add_device+0x3f0/0x860 drivers/hid/hid-core.c:2900 uhid_device_add_worker+0x4c/0x11c drivers/hid/uhid.c:73 process_one_work+0x7cc/0x18d4 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x734/0xb84 kernel/workqueue.c:3400 kthread+0x348/0x5fc kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 INFO: task syz.1.264:4186 blocked for more than 430 seconds. Not tainted 6.15.0-rc3-syzkaller-00001-g9d7a0577c9db #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.264 state:D stack:0 pid:4186 tgid:4186 ppid:3304 task_flags:0x400040 flags:0x00400001 Call trace: __switch_to+0x204/0x4bc arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5382 [inline] __schedule+0xd34/0x3188 kernel/sched/core.c:6767 __schedule_loop kernel/sched/core.c:6845 [inline] schedule+0xd0/0x344 kernel/sched/core.c:6860 schedule_timeout+0x1ec/0x224 kernel/time/sleep_timeout.c:75 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common+0x1d0/0x3f8 kernel/sched/completion.c:116 wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion+0x20/0x2c kernel/sched/completion.c:148 __flush_work+0x488/0x954 kernel/workqueue.c:4244 __cancel_work_sync+0xb0/0x108 kernel/workqueue.c:4364 cancel_work_sync+0x14/0x20 kernel/workqueue.c:4401 uhid_dev_destroy drivers/hid/uhid.c:584 [inline] uhid_char_release+0x9c/0x1ac drivers/hid/uhid.c:662 __fput+0x2c8/0x954 fs/file_table.c:465 ____fput+0x14/0x20 fs/file_table.c:493 task_work_run+0x128/0x210 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x1d0/0x258 arch/arm64/kernel/entry-common.c:151 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_svc_compat+0xfc/0x17c arch/arm64/kernel/entry-common.c:888 el0t_32_sync_handler+0x98/0x13c arch/arm64/kernel/entry-common.c:897 el0t_32_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:605 INFO: task syz.1.264:4187 blocked for more than 430 seconds. Not tainted 6.15.0-rc3-syzkaller-00001-g9d7a0577c9db #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.264 state:D stack:0 pid:4187 tgid:4186 ppid:3304 task_flags:0x400040 flags:0x00400001 Call trace: __switch_to+0x204/0x4bc arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5382 [inline] __schedule+0xd34/0x3188 kernel/sched/core.c:6767 __schedule_loop kernel/sched/core.c:6845 [inline] schedule+0xd0/0x344 kernel/sched/core.c:6860 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6917 rwsem_down_read_slowpath+0x404/0x808 kernel/locking/rwsem.c:1084 __down_read_common kernel/locking/rwsem.c:1248 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0x14c/0x314 kernel/locking/rwsem.c:1526 inode_lock_shared include/linux/fs.h:877 [inline] open_last_lookups fs/namei.c:3799 [inline] path_openat+0xfa8/0x25e4 fs/namei.c:4036 do_filp_open+0x184/0x360 fs/namei.c:4066 do_sys_openat2+0xe0/0x160 fs/open.c:1429 do_sys_open fs/open.c:1444 [inline] __do_compat_sys_openat fs/open.c:1506 [inline] __se_compat_sys_openat fs/open.c:1504 [inline] __arm64_compat_sys_openat+0x128/0x1b8 fs/open.c:1504 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x6c/0x258 arch/arm64/kernel/syscall.c:49 el0_svc_common.constprop.0+0xac/0x230 arch/arm64/kernel/syscall.c:132 do_el0_svc_compat+0x40/0x68 arch/arm64/kernel/syscall.c:157 el0_svc_compat+0x4c/0x17c arch/arm64/kernel/entry-common.c:887 el0t_32_sync_handler+0x98/0x13c arch/arm64/kernel/entry-common.c:897 el0t_32_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:605 INFO: task syz.0.268:4198 blocked for more than 430 seconds. Not tainted 6.15.0-rc3-syzkaller-00001-g9d7a0577c9db #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.268 state:D stack:0 pid:4198 tgid:4197 ppid:3303 task_flags:0x400040 flags:0x00400001 Call trace: __switch_to+0x204/0x4bc arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5382 [inline] __schedule+0xd34/0x3188 kernel/sched/core.c:6767 __schedule_loop kernel/sched/core.c:6845 [inline] schedule+0xd0/0x344 kernel/sched/core.c:6860 schedule_timeout+0x1ec/0x224 kernel/time/sleep_timeout.c:75 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common+0x1d0/0x3f8 kernel/sched/completion.c:116 wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion+0x20/0x2c kernel/sched/completion.c:148 devtmpfs_submit_req+0xac/0x114 drivers/base/devtmpfs.c:122 devtmpfs_create_node+0x120/0x18c drivers/base/devtmpfs.c:153 device_add+0xbd0/0x12bc drivers/base/core.c:3640 device_create_groups_vargs+0x19c/0x23c drivers/base/core.c:4348 device_create+0xa8/0xe0 drivers/base/core.c:4387 vcs_make_sysfs+0x44/0x98 drivers/tty/vt/vc_screen.c:795 vc_allocate+0x52c/0x700 drivers/tty/vt/vt.c:1094 con_install+0xac/0x4c4 drivers/tty/vt/vt.c:3516 tty_driver_install_tty drivers/tty/tty_io.c:1304 [inline] tty_init_dev.part.0+0x78/0x4ec drivers/tty/tty_io.c:1416 tty_init_dev arch/arm64/include/asm/atomic_ll_sc.h:95 [inline] tty_open_by_driver drivers/tty/tty_io.c:2082 [inline] tty_open+0x70c/0xb04 drivers/tty/tty_io.c:2129 chrdev_open+0x1a4/0x4e8 fs/char_dev.c:414 do_dentry_open+0x6f8/0x153c fs/open.c:956 vfs_open+0x5c/0x2fc fs/open.c:1086 do_open fs/namei.c:3880 [inline] path_openat+0x14ec/0x25e4 fs/namei.c:4039 do_filp_open+0x184/0x360 fs/namei.c:4066 do_sys_openat2+0xe0/0x160 fs/open.c:1429 do_sys_open fs/open.c:1444 [inline] __do_compat_sys_openat fs/open.c:1506 [inline] __se_compat_sys_openat fs/open.c:1504 [inline] __arm64_compat_sys_openat+0x128/0x1b8 fs/open.c:1504 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x6c/0x258 arch/arm64/kernel/syscall.c:49 el0_svc_common.constprop.0+0xac/0x230 arch/arm64/kernel/syscall.c:132 do_el0_svc_compat+0x40/0x68 arch/arm64/kernel/syscall.c:157 el0_svc_compat+0x4c/0x17c arch/arm64/kernel/entry-common.c:887 el0t_32_sync_handler+0x98/0x13c arch/arm64/kernel/entry-common.c:897 el0t_32_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:605 Showing all locks held in the system: 3 locks held by kworker/u8:0/12: #0: ffff00000d831148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x6f8/0x18d4 kernel/workqueue.c:3213 #1: ffff80008d507c80 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x71c/0x18d4 kernel/workqueue.c:3213 #2: ffff8000887e3e68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x1c/0x28 net/core/rtnetlink.c:80 2 locks held by kdevtmpfs/25: #0: ffff00000e4982c8 (&type->i_mutex_dir_key/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:902 [inline] #0: ffff00000e4982c8 (&type->i_mutex_dir_key/1){+.+.}-{4:4}, at: __kern_path_locked+0xd4/0x1f8 fs/namei.c:2765 #1: ffff80008771a7e8 (major_names_lock){+.+.}-{4:4}, at: blk_probe_dev+0x30/0x168 block/genhd.c:820 2 locks held by pr/ttyAMA0/31: 1 lock held by khungtaskd/32: #0: ffff80008728da60 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x18/0x1c4 kernel/locking/lockdep.c:6758 3 locks held by kworker/u8:3/66: #0: ffff00000f270148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x6f8/0x18d4 kernel/workqueue.c:3213 #1: ffff80008db47c80 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x71c/0x18d4 kernel/workqueue.c:3213 #2: ffff8000887e3e68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x1c/0x28 net/core/rtnetlink.c:80 4 locks held by udevd/3124: #0: ffff000018b281c8 (&p->lock){+.+.}-{4:4}, at: seq_read_iter+0xb8/0xe30 fs/seq_file.c:182 #1: ffff000018455888 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_seq_start+0x48/0x1d8 fs/kernfs/file.c:154 #2: ffff00000ffe83c8 (kn->active#4){.+.+}-{0:0}, at: kernfs_seq_start+0x64/0x1d8 fs/kernfs/file.c:155 #3: ffff00001fb6da20 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:922 [inline] #3: ffff00001fb6da20 (&dev->mutex){....}-{4:4}, at: uevent_show+0x118/0x300 drivers/base/core.c:2730 1 lock held by dhcpcd/3154: #0: ffff8000887e3e68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x1c/0x28 net/core/rtnetlink.c:80 2 locks held by getty/3244: #0: ffff000017e310a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80008d50b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x3e4/0xdb4 drivers/tty/n_tty.c:2222 3 locks held by sshd/3296: 2 locks held by kworker/1:3/3379: #0: ffff00000ef90948 ((wq_completion)md_misc){+.+.}-{0:0}, at: process_one_work+0x6f8/0x18d4 kernel/workqueue.c:3213 #1: ffff8000a1707c80 ((work_completion)(&mddev->del_work)){+.+.}-{0:0}, at: process_one_work+0x71c/0x18d4 kernel/workqueue.c:3213 4 locks held by kworker/0:4/3437: #0: ffff00000d828d48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6f8/0x18d4 kernel/workqueue.c:3213 #1: ffff8000a17b7c80 ((work_completion)(&uhid->worker)){+.+.}-{0:0}, at: process_one_work+0x71c/0x18d4 kernel/workqueue.c:3213 #2: ffff00001fb6da20 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:922 [inline] #2: ffff00001fb6da20 (&dev->mutex){....}-{4:4}, at: __device_attach+0x80/0x35c drivers/base/dd.c:1005 #3: ffff800088484c90 (minors_rwsem){+.+.}-{4:4}, at: hidraw_connect+0x80/0x380 drivers/hid/hidraw.c:592 2 locks held by syz.1.264/4187: #0: ffff00000e490420 (sb_writers){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1783 [inline] #0: ffff00000e490420 (sb_writers){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1919 [inline] #0: ffff00000e490420 (sb_writers){.+.+}-{0:0}, at: mnt_want_write+0x3c/0xb0 fs/namespace.c:556 #1: ffff00000e4982c8 (&type->i_mutex_dir_key#2){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:877 [inline] #1: ffff00000e4982c8 (&type->i_mutex_dir_key#2){++++}-{4:4}, at: open_last_lookups fs/namei.c:3799 [inline] #1: ffff00000e4982c8 (&type->i_mutex_dir_key#2){++++}-{4:4}, at: path_openat+0xfa8/0x25e4 fs/namei.c:4036 3 locks held by syz.0.268/4198: #0: ffff800087a33fc8 (tty_mutex){+.+.}-{4:4}, at: tty_open_by_driver drivers/tty/tty_io.c:2046 [inline] #0: ffff800087a33fc8 (tty_mutex){+.+.}-{4:4}, at: tty_open+0x3c4/0xb04 drivers/tty/tty_io.c:2129 #1: ffff00001ea791c0 (&tty->legacy_mutex){+.+.}-{4:4}, at: tty_lock+0x48/0x90 drivers/tty/tty_mutex.c:18 #2: ffff80008719e340 (console_lock){+.+.}-{0:0}, at: con_install+0xa4/0x4c4 drivers/tty/vt/vt.c:3515 2 locks held by syz-executor/4201: #0: ffff800087091bb8 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0xb8/0x218 net/core/rtnetlink.c:573 #1: ffff8000887e3e68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline] #1: ffff8000887e3e68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline] #1: ffff8000887e3e68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x4b8/0x1810 net/core/rtnetlink.c:4064 2 locks held by syz-executor/4222: #0: ffff800087091858 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0xb8/0x218 net/core/rtnetlink.c:573 #1: ffff8000887e3e68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline] #1: ffff8000887e3e68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline] #1: ffff8000887e3e68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x4b8/0x1810 net/core/rtnetlink.c:4064 =============================================