INFO: task syz-executor.4:13970 blocked for more than 143 seconds. Not tainted 6.4.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:0 pid:13970 ppid:6335 flags:0x00000009 Call trace: __switch_to+0x320/0x754 arch/arm64/kernel/process.c:556 context_switch kernel/sched/core.c:5343 [inline] __schedule+0x1368/0x23b8 kernel/sched/core.c:6669 schedule+0xc4/0x170 kernel/sched/core.c:6745 io_schedule+0x8c/0x12c kernel/sched/core.c:8979 folio_wait_bit_common+0x65c/0xb90 mm/filemap.c:1301 __folio_lock mm/filemap.c:1664 [inline] folio_lock include/linux/pagemap.h:955 [inline] __filemap_get_folio+0x1e4/0x964 mm/filemap.c:1931 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:1791 evict+0x260/0x68c fs/inode.c:665 iput_final fs/inode.c:1747 [inline] iput+0x734/0x818 fs/inode.c:1773 ntfs_fill_super+0x327c/0x3990 fs/ntfs3/super.c:1267 get_tree_bdev+0x360/0x54c fs/super.c:1303 ntfs_fs_get_tree+0x28/0x38 fs/ntfs3/super.c:1455 vfs_get_tree+0x90/0x274 fs/super.c:1510 do_new_mount+0x25c/0x8c8 fs/namespace.c:3039 path_mount+0x590/0xe04 fs/namespace.c:3369 do_mount fs/namespace.c:3382 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3568 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193 el0_svc+0x4c/0x15c arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 Showing all locks held in the system: 2 locks held by kworker/u4:1/12: 1 lock held by rcu_tasks_kthre/13: #0: ffff8000160810d0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:518 1 lock held by rcu_tasks_trace/14: #0: ffff800016081490 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:518 1 lock held by khungtaskd/29: #0: ffff800016080f00 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:326 1 lock held by udevd/5587: 2 locks held by getty/5725: #0: ffff0000d5183098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80001ae102f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1210 drivers/tty/n_tty.c:2176 1 lock held by syz-executor.4/13970: #0: ffff0000ce3660e0 (&type->s_umount_key#48/1){+.+.}-{3:3}, at: alloc_super+0x1b4/0x824 fs/super.c:228 1 lock held by syz-executor.1/17686: #0: ffff0000d02a80e0 (&type->s_umount_key#48/1){+.+.}-{3:3}, at: alloc_super+0x1b4/0x824 fs/super.c:228 1 lock held by syz-executor.3/17693: 3 locks held by syz-executor.2/17692: 3 locks held by syz-executor.5/17695: 1 lock held by syz-executor.4/17694: 2 locks held by syz-executor.0/17696: =============================================