INFO: task syz-executor.3:17994 blocked for more than 143 seconds. Not tainted 5.19.0-rc8-syzkaller-00146-ge65c6a46df94 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:29512 pid:17994 ppid: 3644 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0xa00/0x4b50 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rwsem_down_write_slowpath+0x68a/0x11a0 kernel/locking/rwsem.c:1172 __down_write_common kernel/locking/rwsem.c:1287 [inline] __down_write_common kernel/locking/rwsem.c:1284 [inline] __down_write kernel/locking/rwsem.c:1296 [inline] down_write_nested+0x139/0x150 kernel/locking/rwsem.c:1653 inode_lock_nested include/linux/fs.h:776 [inline] do_rmdir+0x21b/0x430 fs/namei.c:4109 __do_sys_rmdir fs/namei.c:4141 [inline] __se_sys_rmdir fs/namei.c:4139 [inline] __x64_sys_rmdir+0xc6/0x110 fs/namei.c:4139 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f87c8e89209 RSP: 002b:00007f87c9fac168 EFLAGS: 00000246 ORIG_RAX: 0000000000000054 RAX: ffffffffffffffda RBX: 00007f87c8f9c030 RCX: 00007f87c8e89209 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000840 RBP: 00007f87c8ee3161 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff2ae7408f R14: 00007f87c9fac300 R15: 0000000000022000 INFO: task syz-executor.3:18002 blocked for more than 144 seconds. Not tainted 5.19.0-rc8-syzkaller-00146-ge65c6a46df94 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:29512 pid:18002 ppid: 3644 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0xa00/0x4b50 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rwsem_down_write_slowpath+0x68a/0x11a0 kernel/locking/rwsem.c:1172 __down_write_common kernel/locking/rwsem.c:1287 [inline] __down_write_common kernel/locking/rwsem.c:1284 [inline] __down_write kernel/locking/rwsem.c:1296 [inline] down_write_nested+0x139/0x150 kernel/locking/rwsem.c:1653 inode_lock_nested include/linux/fs.h:776 [inline] filename_create+0x1aa/0x4a0 fs/namei.c:3746 do_symlinkat+0xc4/0x2e0 fs/namei.c:4360 __do_sys_symlink fs/namei.c:4392 [inline] __se_sys_symlink fs/namei.c:4390 [inline] __x64_sys_symlink+0x75/0x90 fs/namei.c:4390 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f87c8e89209 RSP: 002b:00007f87c9f8b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 00007f87c8f9c100 RCX: 00007f87c8e89209 RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000020000380 RBP: 00007f87c8ee3161 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff2ae7408f R14: 00007f87c9f8b300 R15: 0000000000022000 INFO: task syz-executor.3:18004 blocked for more than 144 seconds. Not tainted 5.19.0-rc8-syzkaller-00146-ge65c6a46df94 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:29224 pid:18004 ppid: 3644 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0xa00/0x4b50 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rwsem_down_write_slowpath+0x68a/0x11a0 kernel/locking/rwsem.c:1172 __down_write_common kernel/locking/rwsem.c:1287 [inline] __down_write_common kernel/locking/rwsem.c:1284 [inline] __down_write kernel/locking/rwsem.c:1296 [inline] down_write+0x135/0x150 kernel/locking/rwsem.c:1543 inode_lock include/linux/fs.h:741 [inline] open_last_lookups fs/namei.c:3441 [inline] path_openat+0x93c/0x2910 fs/namei.c:3650 do_filp_open+0x1aa/0x400 fs/namei.c:3680 do_sys_openat2+0x16d/0x4c0 fs/open.c:1278 do_sys_open fs/open.c:1294 [inline] __do_sys_open fs/open.c:1302 [inline] __se_sys_open fs/open.c:1298 [inline] __x64_sys_open+0x119/0x1c0 fs/open.c:1298 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f87c8e89209 RSP: 002b:00007f87c9f6a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f87c8f9c1d0 RCX: 00007f87c8e89209 RDX: 0000000000000000 RSI: 0000000001145042 RDI: 0000000020000400 RBP: 00007f87c8ee3161 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff2ae7408f R14: 00007f87c9f6a300 R15: 0000000000022000 INFO: task syz-executor.3:18005 blocked for more than 145 seconds. Not tainted 5.19.0-rc8-syzkaller-00146-ge65c6a46df94 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:29400 pid:18005 ppid: 3644 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5146 [inline] __schedule+0xa00/0x4b50 kernel/sched/core.c:6458 schedule+0xd2/0x1f0 kernel/sched/core.c:6530 rwsem_down_read_slowpath+0x5b9/0xb00 kernel/locking/rwsem.c:1077 __down_read_common kernel/locking/rwsem.c:1242 [inline] __down_read kernel/locking/rwsem.c:1251 [inline] down_read+0xe2/0x440 kernel/locking/rwsem.c:1491 inode_lock_shared include/linux/fs.h:751 [inline] lookup_slow fs/namei.c:1717 [inline] walk_component+0x400/0x6a0 fs/namei.c:2014 lookup_last fs/namei.c:2469 [inline] path_lookupat+0x1bb/0x860 fs/namei.c:2493 filename_lookup+0x1c6/0x590 fs/namei.c:2522 user_path_at_empty+0x42/0x60 fs/namei.c:2895 user_path_at include/linux/namei.h:57 [inline] path_setxattr+0x92/0x1c0 fs/xattr.c:625 __do_sys_lsetxattr fs/xattr.c:653 [inline] __se_sys_lsetxattr fs/xattr.c:649 [inline] __x64_sys_lsetxattr+0xbd/0x150 fs/xattr.c:649 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f87c8e89209 RSP: 002b:00007f87c9f49168 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd RAX: ffffffffffffffda RBX: 00007f87c8f9c2a0 RCX: 00007f87c8e89209 RDX: 00000000200004c0 RSI: 0000000020000480 RDI: 0000000020000440 RBP: 00007f87c8ee3161 R08: 0000000000000001 R09: 0000000000000000 R10: 000000000000000c R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff2ae7408f R14: 00007f87c9f49300 R15: 0000000000022000 Showing all locks held in the system: 2 locks held by kworker/u4:1/11: #0: ffff888011869138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888011869138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888011869138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff888011869138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff888011869138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff888011869138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90000107da8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 1 lock held by khungtaskd/28: #0: ffffffff8bd871e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6491 2 locks held by getty/3288: #0: ffff88814a297098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffffc90002d162e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xe50/0x13c0 drivers/tty/n_tty.c:2124 2 locks held by kworker/0:6/3693: #0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc900045a7da8 ((work_completion)(&m->rq)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 2 locks held by kworker/1:6/3698: #0: ffff888011866538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888011866538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888011866538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff888011866538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff888011866538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff888011866538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc9000464fda8 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 2 locks held by kworker/1:9/4118: #0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc900047afda8 ((work_completion)(&m->rq)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 1 lock held by syz-executor.1/7405: #0: ffffffff8bd91860 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:290 [inline] #0: ffffffff8bd91860 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x4f8/0x610 kernel/rcu/tree_exp.h:927 3 locks held by kworker/u4:13/7935: 3 locks held by kworker/1:0/10418: #0: ffff888011a65d38 ((wq_completion)pm){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888011a65d38 ((wq_completion)pm){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888011a65d38 ((wq_completion)pm){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff888011a65d38 ((wq_completion)pm){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff888011a65d38 ((wq_completion)pm){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff888011a65d38 ((wq_completion)pm){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90019ee7da8 ((work_completion)(&hcd->wakeup_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff8881471d7190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline] #2: ffff8881471d7190 (&dev->mutex){....}-{3:3}, at: usb_remote_wakeup+0x1f/0xe0 drivers/usb/core/hub.c:3729 1 lock held by syz-executor.3/17993: 2 locks held by syz-executor.3/17994: #0: ffff888016e22460 (sb_writers#19){.+.+}-{0:0}, at: do_rmdir+0x1d0/0x430 fs/namei.c:4105 #1: ffff88804c71a170 (&type->i_mutex_dir_key#9/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:776 [inline] #1: ffff88804c71a170 (&type->i_mutex_dir_key#9/1){+.+.}-{3:3}, at: do_rmdir+0x21b/0x430 fs/namei.c:4109 2 locks held by syz-executor.3/18002: #0: ffff888016e22460 (sb_writers#19){.+.+}-{0:0}, at: filename_create+0xf1/0x4a0 fs/namei.c:3739 #1: ffff88804c71a170 (&type->i_mutex_dir_key#9/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:776 [inline] #1: ffff88804c71a170 (&type->i_mutex_dir_key#9/1){+.+.}-{3:3}, at: filename_create+0x1aa/0x4a0 fs/namei.c:3746 2 locks held by syz-executor.3/18004: #0: ffff888016e22460 (sb_writers#19){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3433 [inline] #0: ffff888016e22460 (sb_writers#19){.+.+}-{0:0}, at: path_openat+0x28a4/0x2910 fs/namei.c:3650 #1: ffff88804c71a170 (&type->i_mutex_dir_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:741 [inline] #1: ffff88804c71a170 (&type->i_mutex_dir_key#9){++++}-{3:3}, at: open_last_lookups fs/namei.c:3441 [inline] #1: ffff88804c71a170 (&type->i_mutex_dir_key#9){++++}-{3:3}, at: path_openat+0x93c/0x2910 fs/namei.c:3650 1 lock held by syz-executor.3/18005: #0: ffff88804c71a170 (&type->i_mutex_dir_key#9){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:751 [inline] #0: ffff88804c71a170 (&type->i_mutex_dir_key#9){++++}-{3:3}, at: lookup_slow fs/namei.c:1717 [inline] #0: ffff88804c71a170 (&type->i_mutex_dir_key#9){++++}-{3:3}, at: walk_component+0x400/0x6a0 fs/namei.c:2014 2 locks held by syz-executor.5/18691: 2 locks held by syz-executor.5/18709: #0: ffff88806c046460 (sb_writers#19){.+.+}-{0:0}, at: filename_create+0xf1/0x4a0 fs/namei.c:3739 #1: ffff88804c71ac10 (&type->i_mutex_dir_key#9/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:776 [inline] #1: ffff88804c71ac10 (&type->i_mutex_dir_key#9/1){+.+.}-{3:3}, at: filename_create+0x1aa/0x4a0 fs/namei.c:3746 2 locks held by syz-executor.5/18710: #0: ffff88806c046460 (sb_writers#19){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3433 [inline] #0: ffff88806c046460 (sb_writers#19){.+.+}-{0:0}, at: path_openat+0x28a4/0x2910 fs/namei.c:3650 #1: ffff88804c71ac10 (&type->i_mutex_dir_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:741 [inline] #1: ffff88804c71ac10 (&type->i_mutex_dir_key#9){++++}-{3:3}, at: open_last_lookups fs/namei.c:3441 [inline] #1: ffff88804c71ac10 (&type->i_mutex_dir_key#9){++++}-{3:3}, at: path_openat+0x93c/0x2910 fs/namei.c:3650 1 lock held by syz-executor.5/18745: #0: ffff88804c71ac10 (&type->i_mutex_dir_key#9){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:751 [inline] #0: ffff88804c71ac10 (&type->i_mutex_dir_key#9){++++}-{3:3}, at: lookup_slow fs/namei.c:1717 [inline] #0: ffff88804c71ac10 (&type->i_mutex_dir_key#9){++++}-{3:3}, at: walk_component+0x400/0x6a0 fs/namei.c:2014 1 lock held by syz-executor.5/19849: 3 locks held by syz-executor.0/19852: ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 28 Comm: khungtaskd Not tainted 5.19.0-rc8-syzkaller-00146-ge65c6a46df94 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x1e6/0x230 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline] watchdog+0xc1d/0xf50 kernel/hung_task.c:369 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 7405 Comm: syz-executor.1 Not tainted 5.19.0-rc8-syzkaller-00146-ge65c6a46df94 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:check_kcov_mode kernel/kcov.c:166 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x7/0x60 kernel/kcov.c:200 Code: 4c 00 5d be 03 00 00 00 e9 76 1d 82 02 66 0f 1f 44 00 00 48 8b be a8 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 65 8b 05 69 04 88 7e <89> c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 80 6f 02 00 a9 RSP: 0018:ffffc90013cafaa0 EFLAGS: 00000246 RAX: 0000000080000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 1ffff110126bf832 RSI: ffffffff81dcc568 RDI: 0000000000000003 RBP: ffff8880935fc000 R08: 0000000000000003 R09: 0000000000002000 R10: 0000000000008000 R11: 0000000000000001 R12: ffff8880935fc0d8 R13: ffff8880935fc088 R14: ffff8880935fc190 R15: ffff88807ed92a00 FS: 0000555556f45400(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd5ae508d60 CR3: 00000000312c8000 CR4: 0000000000350ee0 Call Trace: spin_lock include/linux/spinlock.h:349 [inline] evict+0x46a/0x6b0 fs/inode.c:674 iput_final fs/inode.c:1744 [inline] iput.part.0+0x562/0x820 fs/inode.c:1770 iput+0x58/0x70 fs/inode.c:1760 dentry_unlink_inode+0x2b1/0x460 fs/dcache.c:401 __dentry_kill+0x3c0/0x640 fs/dcache.c:607 shrink_dentry_list+0x23c/0x800 fs/dcache.c:1201 shrink_dcache_parent+0x1fe/0x3c0 fs/dcache.c:1628 d_invalidate fs/dcache.c:1737 [inline] d_invalidate+0x13f/0x280 fs/dcache.c:1722 fuse_ctl_remove_conn+0x122/0x1e0 fs/fuse/control.c:307 fuse_conn_destroy+0x1e6/0x280 fs/fuse/inode.c:1774 fuse_sb_destroy fs/fuse/inode.c:1788 [inline] fuse_kill_sb_anon+0x248/0x330 fs/fuse/inode.c:1801 deactivate_locked_super+0x94/0x160 fs/super.c:332 deactivate_super+0xad/0xd0 fs/super.c:363 cleanup_mnt+0x3a2/0x540 fs/namespace.c:1186 task_work_run+0xdd/0x1a0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fd2f068a677 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd82190948 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd2f068a677 RDX: 00007ffd82190a1b RSI: 000000000000000a RDI: 00007ffd82190a10 RBP: 00007ffd82190a10 R08: 00000000ffffffff R09: 00007ffd821907e0 R10: 0000555556f46903 R11: 0000000000000246 R12: 00007fd2f06e22a6 R13: 00007ffd82191ad0 R14: 0000555556f46810 R15: 00007ffd82191b10