request_module: modprobe net-pf-9 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-9 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-9 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-9 cannot be processed, kmod busy with 50 threads for more than 5 seconds now INFO: task init:999 blocked for more than 140 seconds. Not tainted 4.14.115+ #64 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. init D29128 999 1 0x00000000 Call Trace: schedule+0x92/0x1c0 kernel/sched/core.c:3498 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893 tty_open_by_driver drivers/tty/tty_io.c:1937 [inline] tty_open+0x350/0x990 drivers/tty/tty_io.c:2021 chrdev_open+0x20e/0x560 fs/char_dev.c:417 do_dentry_open+0x44e/0xdf0 fs/open.c:770 vfs_open+0x105/0x230 fs/open.c:884 do_last fs/namei.c:3455 [inline] path_openat+0xb6b/0x2b70 fs/namei.c:3597 do_filp_open+0x1a1/0x280 fs/namei.c:3631 do_sys_open+0x2ca/0x590 fs/open.c:1077 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 INFO: task init:1603 blocked for more than 140 seconds. Not tainted 4.14.115+ #64 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. init D29456 1603 1 0x00000000 Call Trace: schedule+0x92/0x1c0 kernel/sched/core.c:3498 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893 tty_open_by_driver drivers/tty/tty_io.c:1937 [inline] tty_open+0x350/0x990 drivers/tty/tty_io.c:2021 chrdev_open+0x20e/0x560 fs/char_dev.c:417 do_dentry_open+0x44e/0xdf0 fs/open.c:770 vfs_open+0x105/0x230 fs/open.c:884 do_last fs/namei.c:3455 [inline] path_openat+0xb6b/0x2b70 fs/namei.c:3597 do_filp_open+0x1a1/0x280 fs/namei.c:3631 do_sys_open+0x2ca/0x590 fs/open.c:1077 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 INFO: task init:1604 blocked for more than 140 seconds. Not tainted 4.14.115+ #64 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. init D29456 1604 1 0x00000000 Call Trace: schedule+0x92/0x1c0 kernel/sched/core.c:3498 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893 tty_open_by_driver drivers/tty/tty_io.c:1937 [inline] tty_open+0x350/0x990 drivers/tty/tty_io.c:2021 chrdev_open+0x20e/0x560 fs/char_dev.c:417 do_dentry_open+0x44e/0xdf0 fs/open.c:770 vfs_open+0x105/0x230 fs/open.c:884 do_last fs/namei.c:3455 [inline] path_openat+0xb6b/0x2b70 fs/namei.c:3597 do_filp_open+0x1a1/0x280 fs/namei.c:3631 do_sys_open+0x2ca/0x590 fs/open.c:1077 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 INFO: task init:1605 blocked for more than 140 seconds. Not tainted 4.14.115+ #64 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. init D29456 1605 1 0x00000000 Call Trace: schedule+0x92/0x1c0 kernel/sched/core.c:3498 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893 tty_open_by_driver drivers/tty/tty_io.c:1937 [inline] tty_open+0x350/0x990 drivers/tty/tty_io.c:2021 chrdev_open+0x20e/0x560 fs/char_dev.c:417 do_dentry_open+0x44e/0xdf0 fs/open.c:770 vfs_open+0x105/0x230 fs/open.c:884 do_last fs/namei.c:3455 [inline] path_openat+0xb6b/0x2b70 fs/namei.c:3597 do_filp_open+0x1a1/0x280 fs/namei.c:3631 do_sys_open+0x2ca/0x590 fs/open.c:1077 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 INFO: task init:1607 blocked for more than 140 seconds. Not tainted 4.14.115+ #64 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. init D29456 1607 1 0x00000000 Call Trace: schedule+0x92/0x1c0 kernel/sched/core.c:3498 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893 tty_open_by_driver drivers/tty/tty_io.c:1937 [inline] tty_open+0x350/0x990 drivers/tty/tty_io.c:2021 chrdev_open+0x20e/0x560 fs/char_dev.c:417 do_dentry_open+0x44e/0xdf0 fs/open.c:770 vfs_open+0x105/0x230 fs/open.c:884 do_last fs/namei.c:3455 [inline] path_openat+0xb6b/0x2b70 fs/namei.c:3597 do_filp_open+0x1a1/0x280 fs/namei.c:3631 do_sys_open+0x2ca/0x590 fs/open.c:1077 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 Showing all locks held in the system: 2 locks held by kworker/u4:0/5: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 1 lock held by khungtaskd/23: #0: (tasklist_lock){.+.+}, at: [<00000000db798588>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4541 2 locks held by kworker/u4:1/65: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:2/385: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 1 lock held by rsyslogd/1641: #0: (&f->f_pos_lock){+.+.}, at: [<00000000dd226689>] __fdget_pos+0xa6/0xc0 fs/file.c:769 2 locks held by getty/1769: #0: (&tty->ldisc_sem){++++}, at: [<0000000065cb428b>] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284 #1: (&ldata->atomic_read_lock){+.+.}, at: [<00000000a6c5b4f0>] n_tty_read+0x1f7/0x1700 drivers/tty/n_tty.c:2156 2 locks held by syz-executor.1/1862: #0: (sb_writers#4){.+.+}, at: [<00000000a0f85f4a>] sb_start_write include/linux/fs.h:1545 [inline] #0: (sb_writers#4){.+.+}, at: [<00000000a0f85f4a>] mnt_want_write+0x3a/0xb0 fs/namespace.c:387 #1: (&type->i_mutex_dir_key#3/1){+.+.}, at: [<000000006aa18e2e>] inode_lock_nested include/linux/fs.h:750 [inline] #1: (&type->i_mutex_dir_key#3/1){+.+.}, at: [<000000006aa18e2e>] filename_create+0x140/0x430 fs/namei.c:3702 2 locks held by kworker/u4:3/1873: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:4/2099: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:5/2170: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:6/2240: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:7/3584: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:8/3587: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 3 locks held by kworker/u4:9/3589: #0: ("%s""netns"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: (net_cleanup_work){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 #2: (net_mutex){+.+.}, at: [<000000001f2c23da>] cleanup_net+0x136/0x860 net/core/net_namespace.c:450 2 locks held by kworker/u4:10/3594: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:11/3596: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:12/16289: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:13/16295: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:14/16302: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:15/16307: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:16/16324: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:17/16331: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:18/16343: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:20/16367: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:22/16378: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:23/16380: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:24/16398: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:25/16402: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:26/16426: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:27/16438: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:28/16446: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:29/16448: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:30/16450: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:31/16452: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((reaper_work).work){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:32/16454: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:34/16463: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:35/16465: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:36/16468: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:37/16470: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:38/16472: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:42/16480: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:43/16482: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:44/16484: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:45/16486: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:46/16488: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:47/16490: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:48/16492: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:49/16494: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:50/16506: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:51/16533: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:52/17335: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:53/17981: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:54/18652: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by syz-executor.2/21285: #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] get_online_cpus include/linux/cpu.h:138 [inline] #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] lru_add_drain_all+0xa/0x20 mm/swap.c:729 #1: (lock#4){+.+.}, at: [<00000000f1bc6ba3>] lru_add_drain_all_cpuslocked+0x6c/0x420 mm/swap.c:704 2 locks held by syz-executor.2/24305: #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] get_online_cpus include/linux/cpu.h:138 [inline] #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] lru_add_drain_all+0xa/0x20 mm/swap.c:729 #1: (lock#4){+.+.}, at: [<00000000f1bc6ba3>] lru_add_drain_all_cpuslocked+0x6c/0x420 mm/swap.c:704 2 locks held by syz-executor.2/24595: #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] get_online_cpus include/linux/cpu.h:138 [inline] #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] lru_add_drain_all+0xa/0x20 mm/swap.c:729 #1: (lock#4){+.+.}, at: [<00000000f1bc6ba3>] lru_add_drain_all_cpuslocked+0x6c/0x420 mm/swap.c:704 2 locks held by syz-executor.2/25254: #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] get_online_cpus include/linux/cpu.h:138 [inline] #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] lru_add_drain_all+0xa/0x20 mm/swap.c:729 #1: (lock#4){+.+.}, at: [<00000000f1bc6ba3>] lru_add_drain_all_cpuslocked+0x6c/0x420 mm/swap.c:704 2 locks held by syz-executor.2/26699: #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] get_online_cpus include/linux/cpu.h:138 [inline] #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] lru_add_drain_all+0xa/0x20 mm/swap.c:729 #1: (lock#4){+.+.}, at: [<00000000f1bc6ba3>] lru_add_drain_all_cpuslocked+0x6c/0x420 mm/swap.c:704 2 locks held by syz-executor.2/27990: #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] get_online_cpus include/linux/cpu.h:138 [inline] #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] lru_add_drain_all+0xa/0x20 mm/swap.c:729 #1: (lock#4){+.+.}, at: [<00000000f1bc6ba3>] lru_add_drain_all_cpuslocked+0x6c/0x420 mm/swap.c:704 2 locks held by syz-executor.2/28018: #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] get_online_cpus include/linux/cpu.h:138 [inline] #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] lru_add_drain_all+0xa/0x20 mm/swap.c:729 #1: (lock#4){+.+.}, at: [<00000000f1bc6ba3>] lru_add_drain_all_cpuslocked+0x6c/0x420 mm/swap.c:704 2 locks held by syz-executor.2/28544: #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] get_online_cpus include/linux/cpu.h:138 [inline] #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] lru_add_drain_all+0xa/0x20 mm/swap.c:729 #1: (lock#4){+.+.}, at: [<00000000f1bc6ba3>] lru_add_drain_all_cpuslocked+0x6c/0x420 mm/swap.c:704 2 locks held by syz-executor.2/29025: #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] get_online_cpus include/linux/cpu.h:138 [inline] #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] lru_add_drain_all+0xa/0x20 mm/swap.c:729 #1: (lock#4){+.+.}, at: [<00000000f1bc6ba3>] lru_add_drain_all_cpuslocked+0x6c/0x420 mm/swap.c:704 2 locks held by syz-executor.2/29097: #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] get_online_cpus include/linux/cpu.h:138 [inline] #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] lru_add_drain_all+0xa/0x20 mm/swap.c:729 #1: (lock#4){+.+.}, at: [<00000000f1bc6ba3>] lru_add_drain_all_cpuslocked+0x6c/0x420 mm/swap.c:704 2 locks held by syz-executor.2/29445: #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] get_online_cpus include/linux/cpu.h:138 [inline] #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] lru_add_drain_all+0xa/0x20 mm/swap.c:729 #1: (lock#4){+.+.}, at: [<00000000f1bc6ba3>] lru_add_drain_all_cpuslocked+0x6c/0x420 mm/swap.c:704 2 locks held by syz-executor.2/30580: #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] get_online_cpus include/linux/cpu.h:138 [inline] #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] lru_add_drain_all+0xa/0x20 mm/swap.c:729 #1: (lock#4){+.+.}, at: [<00000000f1bc6ba3>] lru_add_drain_all_cpuslocked+0x6c/0x420 mm/swap.c:704 2 locks held by syz-executor.2/30652: #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] get_online_cpus include/linux/cpu.h:138 [inline] #0: (cpu_hotplug_lock.rw_sem){++++}, at: [<0000000059223f8f>] lru_add_drain_all+0xa/0x20 mm/swap.c:729 #1: (lock#4){+.+.}, at: [<00000000f1bc6ba3>] lru_add_drain_all_cpuslocked+0x6c/0x420 mm/swap.c:704 1 lock held by init/999: #0: (tty_mutex){+.+.}, at: [<000000001bffc053>] tty_open_by_driver drivers/tty/tty_io.c:1937 [inline] #0: (tty_mutex){+.+.}, at: [<000000001bffc053>] tty_open+0x350/0x990 drivers/tty/tty_io.c:2021 2 locks held by kworker/u4:55/1254: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 1 lock held by init/1603: #0: (tty_mutex){+.+.}, at: [<000000001bffc053>] tty_open_by_driver drivers/tty/tty_io.c:1937 [inline] #0: (tty_mutex){+.+.}, at: [<000000001bffc053>] tty_open+0x350/0x990 drivers/tty/tty_io.c:2021 1 lock held by init/1604: #0: (tty_mutex){+.+.}, at: [<000000001bffc053>] tty_open_by_driver drivers/tty/tty_io.c:1937 [inline] #0: (tty_mutex){+.+.}, at: [<000000001bffc053>] tty_open+0x350/0x990 drivers/tty/tty_io.c:2021 1 lock held by init/1605: #0: (tty_mutex){+.+.}, at: [<000000001bffc053>] tty_open_by_driver drivers/tty/tty_io.c:1937 [inline] #0: (tty_mutex){+.+.}, at: [<000000001bffc053>] tty_open+0x350/0x990 drivers/tty/tty_io.c:2021 1 lock held by init/1607: #0: (tty_mutex){+.+.}, at: [<000000001bffc053>] tty_open_by_driver drivers/tty/tty_io.c:1937 [inline] #0: (tty_mutex){+.+.}, at: [<000000001bffc053>] tty_open+0x350/0x990 drivers/tty/tty_io.c:2021 2 locks held by kworker/u4:56/1695: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:57/1787: #0: ("events_unbound"){+.+.}, at: [<000000000cdeb29e>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<00000000ef3a4dc2>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 1 lock held by syz-executor.0/7552: #0: (rcu_preempt_state.barrier_mutex){+.+.}, at: [<00000000ff563c40>] _rcu_barrier+0x56/0x3e0 kernel/rcu/tree.c:3546 1 lock held by syz-executor.0/7564: #0: (rcu_preempt_state.barrier_mutex){+.+.}, at: [<00000000ff563c40>] _rcu_barrier+0x56/0x3e0 kernel/rcu/tree.c:3546 1 lock held by modprobe/8198: #0: (&mapping->i_mmap_rwsem){++++}, at: [<0000000024375d69>] i_mmap_lock_write include/linux/fs.h:470 [inline] #0: (&mapping->i_mmap_rwsem){++++}, at: [<0000000024375d69>] unlink_file_vma+0x6e/0xa0 mm/mmap.c:158 2 locks held by modprobe/8201: #0: (&mm->mmap_sem){++++}, at: [<00000000d307b987>] do_mprotect_pkey mm/mprotect.c:469 [inline] #0: (&mm->mmap_sem){++++}, at: [<00000000d307b987>] SYSC_mprotect mm/mprotect.c:566 [inline] #0: (&mm->mmap_sem){++++}, at: [<00000000d307b987>] SyS_mprotect+0x174/0x5e0 mm/mprotect.c:563 #1: (&mapping->i_mmap_rwsem){++++}, at: [<0000000046e78754>] i_mmap_lock_write include/linux/fs.h:470 [inline] #1: (&mapping->i_mmap_rwsem){++++}, at: [<0000000046e78754>] __vma_adjust+0x1db/0x14f0 mm/mmap.c:791 2 locks held by modprobe/8202: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8203: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8206: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8210: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8211: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8214: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8215: #0: (&mm->mmap_sem){++++}, at: [<00000000d307b987>] do_mprotect_pkey mm/mprotect.c:469 [inline] #0: (&mm->mmap_sem){++++}, at: [<00000000d307b987>] SYSC_mprotect mm/mprotect.c:566 [inline] #0: (&mm->mmap_sem){++++}, at: [<00000000d307b987>] SyS_mprotect+0x174/0x5e0 mm/mprotect.c:563 #1: (&mapping->i_mmap_rwsem){++++}, at: [<0000000046e78754>] i_mmap_lock_write include/linux/fs.h:470 [inline] #1: (&mapping->i_mmap_rwsem){++++}, at: [<0000000046e78754>] __vma_adjust+0x1db/0x14f0 mm/mmap.c:791 2 locks held by modprobe/8216: #0: (&mm->mmap_sem){++++}, at: [<00000000d307b987>] do_mprotect_pkey mm/mprotect.c:469 [inline] #0: (&mm->mmap_sem){++++}, at: [<00000000d307b987>] SYSC_mprotect mm/mprotect.c:566 [inline] #0: (&mm->mmap_sem){++++}, at: [<00000000d307b987>] SyS_mprotect+0x174/0x5e0 mm/mprotect.c:563 #1: (&mapping->i_mmap_rwsem){++++}, at: [<0000000046e78754>] i_mmap_lock_write include/linux/fs.h:470 [inline] #1: (&mapping->i_mmap_rwsem){++++}, at: [<0000000046e78754>] __vma_adjust+0x1db/0x14f0 mm/mmap.c:791 2 locks held by modprobe/8217: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8218: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8220: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8222: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8223: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8224: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8225: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8226: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8227: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8228: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8231: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8234: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8235: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8236: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8237: #0: (&mm->mmap_sem){++++}, at: [<0000000078ceda34>] vm_mmap_pgoff+0x147/0x1c0 mm/util.c:331 #1: (&mapping->i_mmap_rwsem){++++}, at: [<000000008e5b8776>] i_mmap_lock_write include/linux/fs.h:470 [inline] #1: (&mapping->i_mmap_rwsem){++++}, at: [<000000008e5b8776>] vma_link+0x92/0x160 mm/mmap.c:613 2 locks held by modprobe/8238: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8239: #0: (&mm->mmap_sem){++++}, at: [<0000000078ceda34>] vm_mmap_pgoff+0x147/0x1c0 mm/util.c:331 #1: (&mapping->i_mmap_rwsem){++++}, at: [<000000008e5b8776>] i_mmap_lock_write include/linux/fs.h:470 [inline] #1: (&mapping->i_mmap_rwsem){++++}, at: [<000000008e5b8776>] vma_link+0x92/0x160 mm/mmap.c:613 2 locks held by modprobe/8240: #0: (&mm->mmap_sem){++++}, at: [<00000000d307b987>] do_mprotect_pkey mm/mprotect.c:469 [inline] #0: (&mm->mmap_sem){++++}, at: [<00000000d307b987>] SYSC_mprotect mm/mprotect.c:566 [inline] #0: (&mm->mmap_sem){++++}, at: [<00000000d307b987>] SyS_mprotect+0x174/0x5e0 mm/mprotect.c:563 #1: (&mapping->i_mmap_rwsem){++++}, at: [<0000000046e78754>] i_mmap_lock_write include/linux/fs.h:470 [inline] #1: (&mapping->i_mmap_rwsem){++++}, at: [<0000000046e78754>] __vma_adjust+0x1db/0x14f0 mm/mmap.c:791 2 locks held by modprobe/8241: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8242: #0: (&mm->mmap_sem){++++}, at: [<0000000078ceda34>] vm_mmap_pgoff+0x147/0x1c0 mm/util.c:331 #1: (&mapping->i_mmap_rwsem){++++}, at: [<000000008e5b8776>] i_mmap_lock_write include/linux/fs.h:470 [inline] #1: (&mapping->i_mmap_rwsem){++++}, at: [<000000008e5b8776>] vma_link+0x92/0x160 mm/mmap.c:613 2 locks held by modprobe/8243: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8245: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8246: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8247: #0: (&mm->mmap_sem){++++}, at: [<0000000078ceda34>] vm_mmap_pgoff+0x147/0x1c0 mm/util.c:331 #1: (&mapping->i_mmap_rwsem){++++}, at: [<000000008e5b8776>] i_mmap_lock_write include/linux/fs.h:470 [inline] #1: (&mapping->i_mmap_rwsem){++++}, at: [<000000008e5b8776>] vma_link+0x92/0x160 mm/mmap.c:613 2 locks held by modprobe/8248: #0: (&mm->mmap_sem){++++}, at: [<0000000078ceda34>] vm_mmap_pgoff+0x147/0x1c0 mm/util.c:331 #1: (&mapping->i_mmap_rwsem){++++}, at: [<000000008e5b8776>] i_mmap_lock_write include/linux/fs.h:470 [inline] #1: (&mapping->i_mmap_rwsem){++++}, at: [<000000008e5b8776>] vma_link+0x92/0x160 mm/mmap.c:613 2 locks held by modprobe/8249: #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<000000006825f62a>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<000000002ae74ad4>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/8250: #0: (&mm->mmap_sem){++++}, at: [<0000000078ceda34>] vm_mmap_pgoff+0x147/0x1c0 mm/util.c:331 #1: (&mapping->i_mmap_rwsem){++++}, at: [<000000008e5b8776>] i_mmap_lock_write include/linux/fs.h:470 [inline] #1: (&mapping->i_mmap_rwsem){++++}, at: [<000000008e5b8776>] vma_link+0x92/0x160 mm/mmap.c:613 2 locks held by modprobe/8251: #0: (&mm->mmap_sem){++++}, at: [<0000000078ceda34>] vm_mmap_pgoff+0x147/0x1c0 mm/util.c:331 #1: (&mapping->i_mmap_rwsem){++++}, at: [<000000008e5b8776>] i_mmap_lock_write include/linux/fs.h:470 [inline] #1: (&mapping->i_mmap_rwsem){++++}, at: [<000000008e5b8776>] vma_link+0x92/0x160 mm/mmap.c:613 2 locks held by modprobe/8252: #0: (&mm->mmap_sem){++++}, at: [<0000000078ceda34>] vm_mmap_pgoff+0x147/0x1c0 mm/util.c:331 #1: (&mapping->i_mmap_rwsem){++++}, at: [<000000008e5b8776>] i_mmap_lock_write include/linux/fs.h:470 [inline] #1: (&mapping->i_mmap_rwsem){++++}, at: [<000000008e5b8776>] vma_link+0x92/0x160 mm/mmap.c:613 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 23 Comm: khungtaskd Not tainted 4.14.115+ #64 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xb9/0x10e lib/dump_stack.c:53 nmi_cpu_backtrace.cold+0x47/0x86 lib/nmi_backtrace.c:101 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 26136 Comm: syz-executor.2 Not tainted 4.14.115+ #64 task: 00000000f81526e5 task.stack: 00000000e78a5de7 RIP: 0010:lock_is_held_type+0x8a/0x150 kernel/locking/lockdep.c:4028 RSP: 0018:ffff88813bf47d10 EFLAGS: 00000807 RAX: dffffc0000000000 RBX: 0000000000000246 RCX: 1ffffffff25425bc RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffff88813bf3882c RBP: ffffffff928d3420 R08: 0000000000000001 R09: 0000000000000000 R10: ffff88813bf38830 R11: 0000000000000001 R12: ffff88813bf38000 R13: 00000000000001a3 R14: ffffffff90964256 R15: ffff888095e9b680 FS: 00007fa4e14c5700(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000009 CR3: 000000013bf48001 CR4: 00000000001606b0 Call Trace: lock_is_held include/linux/lockdep.h:437 [inline] ___might_sleep+0x203/0x280 kernel/sched/core.c:6084 Code: 0f 1f 44 00 00 65 4c 8b 24 25 c0 de 01 00 49 8d bc 24 2c 08 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 98 00 00 00