INFO: task kworker/R-wg-cr:6048 blocked for more than 143 seconds. Not tainted 6.11.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/R-wg-cr state:D stack:26800 pid:6048 tgid:6048 ppid:2 flags:0x00004000 Workqueue: 0x0 (wg-crypt-wg0) 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 worker_detach_from_pool kernel/workqueue.c:2730 [inline] rescuer_thread+0xaf5/0x10a0 kernel/workqueue.c:3525 kthread+0x2f2/0x390 kernel/kthread.c:389 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task kworker/R-wg-cr:6050 blocked for more than 144 seconds. Not tainted 6.11.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/R-wg-cr state:D stack:29328 pid:6050 tgid:6050 ppid:2 flags:0x00004000 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 worker_attach_to_pool+0x31/0x390 kernel/workqueue.c:2671 rescuer_thread+0x3ed/0x10a0 kernel/workqueue.c:3470 kthread+0x2f2/0x390 kernel/kthread.c:389 ret_from_fork+0x4d/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: 3 locks held by kworker/u8:1/12: 1 lock held by kworker/R-mm_pe/13: 2 locks held by kworker/1:0/25: 1 lock held by khungtaskd/30: #0: ffffffff8e9382a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:326 [inline] ffffffff8e9382a0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] ffffffff8e9382a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6620 2 locks held by kworker/1:1/46: 5 locks held by kworker/u8:5/70: #0: ffff8880166e5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] #0: ffff8880166e5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc900020cfd00 (net_cleanup_work){+.+.}-{0:0} , at: process_one_work kernel/workqueue.c:3207 [inline] , at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffffffff8fc74b10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:594 #3: ffff888024dd70e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline] #3: ffff888024dd70e8 (&dev->mutex){....}-{3:3}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline] #3: ffff888024dd70e8 (&dev->mutex){....}-{3:3}, at: devlink_pernet_pre_exit+0x13b/0x440 net/devlink/core.c:506 #4: ffff888024dd5250 (&devlink->lock_key#19 ){+.+.}-{3:3}, at: devl_lock net/devlink/core.c:276 [inline] ){+.+.}-{3:3}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline] ){+.+.}-{3:3}, at: devlink_pernet_pre_exit+0x14d/0x440 net/devlink/core.c:506 4 locks held by kworker/u8:7/76: #0: ffff88805a549948 ( (wq_completion)wg-kex-wg2#19){+.+.}-{0:0} , at: process_one_work kernel/workqueue.c:3206 [inline] , at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc9000212fd00 ((work_completion)(&peer->transmit_handshake_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline] #1: ffffc9000212fd00 ((work_completion)(&peer->transmit_handshake_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffff888024661248 (&wg->static_identity.lock){++++}-{3:3}, at: wg_noise_handshake_create_initiation+0x120/0xf30 drivers/net/wireguard/noise.c:529 #3: ffff888022b4d798 (&handshake->lock ){++++}-{3:3} , at: wg_noise_handshake_create_initiation+0x132/0xf30 drivers/net/wireguard/noise.c:530 1 lock held by kworker/R-dm_bu/2368: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_attach_to_pool+0x31/0x390 kernel/workqueue.c:2671 2 locks held by kworker/u8:9/3963: 2 locks held by getty/4979: #0: ffff88802b5c30a0 (&tty->ldisc_sem){++++}-{0:0} , at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc900031232f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ac/0x1e00 drivers/tty/n_tty.c:2211 7 locks held by kworker/1:3/5240: 3 locks held by kworker/1:4/5243: 3 locks held by kworker/1:5/5291: 1 lock held by kworker/1:6/5293: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_attach_to_pool+0x31/0x390 kernel/workqueue.c:2671 3 locks held by kworker/1:7/5297: 1 lock held by kworker/R-wg-cr/6048: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2730 [inline] ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xaf5/0x10a0 kernel/workqueue.c:3525 1 lock held by kworker/R-wg-cr/6049: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2730 [inline] #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xaf5/0x10a0 kernel/workqueue.c:3525 1 lock held by kworker/R-wg-cr/6050: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_attach_to_pool+0x31/0x390 kernel/workqueue.c:2671 1 lock held by kworker/R-wg-cr/7983: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3} , at: worker_attach_to_pool+0x31/0x390 kernel/workqueue.c:2671 1 lock held by kworker/R-wg-cr/7984: 1 lock held by kworker/R-wg-cr/7985: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_attach_to_pool+0x31/0x390 kernel/workqueue.c:2671 1 lock held by kworker/R-wg-cr/8051: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex ){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2730 [inline] ){+.+.}-{3:3}, at: rescuer_thread+0xaf5/0x10a0 kernel/workqueue.c:3525 1 lock held by kworker/R-wg-cr/8054: #0: ffffffff8e7e2b88 ( wq_pool_attach_mutex){+.+.}-{3:3} , at: worker_attach_to_pool+0x31/0x390 kernel/workqueue.c:2671 2 locks held by kworker/R-wg-cr/8062: 3 locks held by kworker/1:2/8271: 2 locks held by kworker/1:8/9674: 1 lock held by kworker/R-bond0/9759: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-bond0/9764: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9767: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9771: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-bond0/9787: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9789: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9791: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9793: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 5 locks held by syz-executor/9795: #0: ffff88801ec5c420 (sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2876 [inline] #0: ffff88801ec5c420 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x227/0xc90 fs/read_write.c:586 #1: ffff8880704c7888 (&of->mutex){+.+.}-{3:3} , at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325 #2: ffff888023628d28 (kn->active#50){.+.+}-{0:0} , at: kernfs_fop_write_iter+0x20f/0x500 fs/kernfs/file.c:326 #3: ffffffff8f51e4c8 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216 #4: ffff888024dd70e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline] #4: ffff888024dd70e8 (&dev->mutex){....}-{3:3}, at: device_del+0xa6/0x9b0 drivers/base/core.c:3830 1 lock held by kworker/R-bond0/9798: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9799: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-bond0/9800: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3} , at: set_pf_worker kernel/workqueue.c:3318 [inline] , at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9802: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3} , at: set_pf_worker kernel/workqueue.c:3318 [inline] , at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9808: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-bond0/9827: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 4 locks held by syz-executor/9838: #0: ffff88801ec5c420 (sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2876 [inline] #0: ffff88801ec5c420 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x227/0xc90 fs/read_write.c:586 #1: ffff888054e90c88 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325 #2: ffff888023628d28 (kn->active #50 ){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20f/0x500 fs/kernfs/file.c:326 #3: ffffffff8f51e4c8 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216 4 locks held by syz-executor/9841: #0: ffff88801ec5c420 (sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2876 [inline] #0: ffff88801ec5c420 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x227/0xc90 fs/read_write.c:586 #1: ffff88805f997488 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325 #2: ffff888023628d28 (kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20f/0x500 fs/kernfs/file.c:326 #3: ffffffff8f51e4c8 (nsim_bus_dev_list_lock){+.+.}-{3:3} , at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216 1 lock held by kworker/R-bond0/9846: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 4 locks held by syz-executor/9856: #0: ffff88801ec5c420 (sb_writers#8){.+.+}-{0:0} , at: file_start_write include/linux/fs.h:2876 [inline] , at: vfs_write+0x227/0xc90 fs/read_write.c:586 #1: ffff88804a7b0088 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325 #2: ffff888023628d28 (kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20f/0x500 fs/kernfs/file.c:326 #3: ffffffff8f51e4c8 (nsim_bus_dev_list_lock){+.+.}-{3:3} , at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216 1 lock held by kworker/R-wg-cr/9869: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9872: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 4 locks held by syz-executor/9873: #0: ffff88801ec5c420 (sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2876 [inline] #0: ffff88801ec5c420 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x227/0xc90 fs/read_write.c:586 #1: ffff88805a198488 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325 #2: ffff888023628d28 (kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20f/0x500 fs/kernfs/file.c:326 #3: ffffffff8f51e4c8 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216 1 lock held by kworker/R-wg-cr/9875: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9876: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3} , at: set_pf_worker kernel/workqueue.c:3318 [inline] , at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9877: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9878: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 4 locks held by syz-executor/9880: #0: ffff88801ec5c420 (sb_writers#8){.+.+}-{0:0} , at: file_start_write include/linux/fs.h:2876 [inline] , at: vfs_write+0x227/0xc90 fs/read_write.c:586 #1: ffff88802196a088 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325 #2: ffff888023628d28 (kn->active#50 ){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20f/0x500 fs/kernfs/file.c:326 #3: ffffffff8f51e4c8 (nsim_bus_dev_list_lock){+.+.}-{3:3} , at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216 1 lock held by kworker/R-bond0/9887: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-bond0/9889: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-bond0/9893: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9895: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-bond0/9896: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3} , at: set_pf_worker kernel/workqueue.c:3318 [inline] , at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9897: #0: ffffffff8e7e2b88 ( wq_pool_attach_mutex ){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] ){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9898: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex ){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] ){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9899: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex ){+.+.}-{3:3} , at: set_pf_worker kernel/workqueue.c:3318 [inline] , at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9900: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3} , at: set_pf_worker kernel/workqueue.c:3318 [inline] , at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9901: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9902: #0: ffffffff8e7e2b88 ( wq_pool_attach_mutex ){+.+.}-{3:3} , at: set_pf_worker kernel/workqueue.c:3318 [inline] , at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9904: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9905: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9906: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3} , at: set_pf_worker kernel/workqueue.c:3318 [inline] , at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9907: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9908: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 4 locks held by syz-executor/9910: #0: ffff88801ec5c420 (sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2876 [inline] #0: ffff88801ec5c420 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x227/0xc90 fs/read_write.c:586 #1: ffff88805b6d1488 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325 #2: ffff888023628d28 (kn->active#50){.+.+}-{0:0} , at: kernfs_fop_write_iter+0x20f/0x500 fs/kernfs/file.c:326 #3: ffffffff8f51e4c8 (nsim_bus_dev_list_lock){+.+.}-{3:3} , at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216 1 lock held by kworker/R-bond0/9914: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3} , at: set_pf_worker kernel/workqueue.c:3318 [inline] , at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9916: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9917: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/9918: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3} , at: set_pf_worker kernel/workqueue.c:3318 [inline] , at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 4 locks held by syz-executor/9992: #0: ffff88801ec5c420 (sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2876 [inline] #0: ffff88801ec5c420 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x227/0xc90 fs/read_write.c:586 #1: ffff88806e4c1c88 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325 #2: ffff888023628d28 (kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20f/0x500 fs/kernfs/file.c:326 #3: ffffffff8f51e4c8 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216 1 lock held by kworker/R-bond0/9998: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/10000: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/10001: #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] #0: ffffffff8e7e2b88 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 1 lock held by kworker/R-wg-cr/10002: #0: ffffffff8e7e2b88 ( wq_pool_attach_mutex ){+.+.}-{3:3}, at: set_pf_worker kernel/workqueue.c:3318 [inline] ){+.+.}-{3:3}, at: rescuer_thread+0xd0/0x10a0 kernel/workqueue.c:3442 4 locks held by syz-executor/10008: #0: ffff88801ec5c420 (sb_writers#8 ){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2876 [inline] ){.+.+}-{0:0}, at: vfs_write+0x227/0xc90 fs/read_write.c:586 #1: ffff88807042c888 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325 #2: ffff888023628d28 (kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20f/0x500 fs/kernfs/file.c:326 #3: ffffffff8f51e4c8 (nsim_bus_dev_list_lock){+.+.}-{3:3} , at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216 4 locks held by syz-executor/10016: #0: ffff88802c744d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline] ffff88802c744d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2692 #1: ffff88802c744078 (&hdev->lock){+.+.}-{3:3}, at: hci_dev_close_sync+0x572/0x11a0 net/bluetooth/hci_sync.c:5131 #2: ffffffff8fdecfa8 (hci_cb_list_lock){+.+.}-{3:3} , at: hci_disconn_cfm include/net/bluetooth/hci_core.h:1977 [inline] , at: hci_conn_hash_flush+0xa6/0x240 net/bluetooth/hci_conn.c:2592 #3: ffffffff8e93d678 (rcu_state.exp_mutex){+.+.}-{3:3} , at: exp_funnel_lock kernel/rcu/tree_exp.h:328 [inline] , at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:958 1 lock held by kworker/R-bond0/10033: