INFO: task syz-executor.4:8098 blocked for more than 143 seconds. Not tainted 6.5.0-rc7-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:0 pid:8098 ppid:6357 flags:0x0000000d Call trace: __switch_to+0x320/0x754 arch/arm64/kernel/process.c:556 context_switch kernel/sched/core.c:5381 [inline] __schedule+0x1364/0x23b4 kernel/sched/core.c:6710 schedule+0xc4/0x170 kernel/sched/core.c:6786 io_schedule+0x8c/0x12c kernel/sched/core.c:9028 folio_wait_bit_common+0x65c/0xb90 mm/filemap.c:1304 __folio_lock mm/filemap.c:1632 [inline] folio_lock include/linux/pagemap.h:959 [inline] __filemap_get_folio+0x1e4/0x964 mm/filemap.c:1899 truncate_inode_pages_range+0x444/0xf74 mm/truncate.c:377 truncate_inode_pages mm/truncate.c:449 [inline] truncate_inode_pages_final+0x90/0xc0 mm/truncate.c:484 ntfs_evict_inode+0x20/0x48 fs/ntfs3/inode.c:1790 evict+0x260/0x68c fs/inode.c:664 iput_final fs/inode.c:1788 [inline] iput+0x734/0x818 fs/inode.c:1814 ntfs_fill_super+0x3648/0x3f90 fs/ntfs3/super.c:1420 get_tree_bdev+0x378/0x570 fs/super.c:1318 ntfs_fs_get_tree+0x28/0x38 fs/ntfs3/super.c:1647 vfs_get_tree+0x90/0x274 fs/super.c:1519 do_new_mount+0x25c/0x8c8 fs/namespace.c:3335 path_mount+0x590/0xe04 fs/namespace.c:3662 do_mount fs/namespace.c:3675 [inline] __do_sys_mount fs/namespace.c:3884 [inline] __se_sys_mount fs/namespace.c:3861 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3861 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x244 arch/arm64/kernel/syscall.c:139 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:188 el0_svc+0x4c/0x160 arch/arm64/kernel/entry-common.c:647 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:665 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/13: #0: ffff80008e271850 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:522 1 lock held by rcu_tasks_trace/14: #0: ffff80008e271c10 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:522 1 lock held by khungtaskd/28: #0: ffff80008e271680 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:302 2 locks held by udevd/5608: 2 locks held by getty/5745: #0: ffff0000cf08d098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff800093ffd2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 drivers/tty/n_tty.c:2187 1 lock held by syz-executor.2/6351: #0: ffff80008e276cb8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:325 [inline] #0: ffff80008e276cb8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x37c/0x728 kernel/rcu/tree_exp.h:992 1 lock held by syz-executor.5/6361: #0: ffff80008e276cb8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:293 [inline] #0: ffff80008e276cb8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3ac/0x728 kernel/rcu/tree_exp.h:992 1 lock held by syz-executor.4/8098: #0: ffff0000dc47e0e0 (&type->s_umount_key#49/1){+.+.}-{3:3}, at: alloc_super+0x1b4/0x80c fs/super.c:228 1 lock held by syz-executor.3/11738: 3 locks held by syz-executor.1/11741: 2 locks held by syz-executor.4/11743: 2 locks held by syz-executor.0/11744: =============================================