INFO: task syz-executor.0:7533 blocked for more than 143 seconds. Not tainted 6.8.0-rc7-syzkaller-00135-g707081b61156 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:0 pid:7533 tgid:7532 ppid:6536 flags:0x0000000d Call trace: __switch_to+0x314/0x560 arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5400 [inline] __schedule+0x1498/0x24b4 kernel/sched/core.c:6727 __schedule_loop kernel/sched/core.c:6802 [inline] schedule+0xb8/0x19c kernel/sched/core.c:6817 io_schedule+0x8c/0x12c kernel/sched/core.c:9023 folio_wait_bit_common+0x65c/0xb90 mm/filemap.c:1274 __folio_lock mm/filemap.c:1612 [inline] folio_lock include/linux/pagemap.h:1048 [inline] __filemap_get_folio+0x1e4/0xa60 mm/filemap.c:1865 truncate_inode_pages_range+0x468/0xf34 mm/truncate.c:367 truncate_inode_pages mm/truncate.c:439 [inline] truncate_inode_pages_final+0x90/0xc0 mm/truncate.c:474 ntfs_evict_inode+0x20/0x48 fs/ntfs3/inode.c:1814 evict+0x260/0x68c fs/inode.c:665 iput_final fs/inode.c:1739 [inline] iput+0x734/0x818 fs/inode.c:1765 ntfs_fill_super+0x3254/0x3a98 fs/ntfs3/super.c:1474 get_tree_bdev+0x320/0x470 fs/super.c:1614 ntfs_fs_get_tree+0x28/0x38 fs/ntfs3/super.c:1695 vfs_get_tree+0x90/0x288 fs/super.c:1779 do_new_mount+0x278/0x900 fs/namespace.c:3352 path_mount+0x590/0xe04 fs/namespace.c:3679 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount fs/namespace.c:3875 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3875 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 Showing all locks held in the system: 1 lock held by khungtaskd/29: #0: ffff80008ee74ac0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:297 2 locks held by kworker/u4:4/144: #0: ffff0000c0021538 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x560/0x1204 kernel/workqueue.c:2606 #1: ffff8000974f7c20 ((work_completion)(&(&bat_priv->orig_work)->work)){+.+.}-{0:0}, at: process_one_work+0x5a0/0x1204 kernel/workqueue.c:2608 2 locks held by getty/5921: #0: ffff0000d25ff0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff800093fe02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2201 2 locks held by kworker/1:4/6180: #0: ffff0000c0022538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x560/0x1204 kernel/workqueue.c:2606 #1: ffff800097b07c20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x5a0/0x1204 kernel/workqueue.c:2608 1 lock held by syz-executor.4/6533: #0: ffff80008ee7a3f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline] #0: ffff80008ee7a3f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x37c/0x728 kernel/rcu/tree_exp.h:995 1 lock held by syz-executor.0/7533: #0: ffff0000c8fae0e0 (&type->s_umount_key#49/1){+.+.}-{3:3}, at: alloc_super+0x1b0/0x83c fs/super.c:343 1 lock held by udevd/7568: 1 lock held by udevd/7569: 3 locks held by udevd/7570: 1 lock held by udevd/11185: 2 locks held by syz-executor.2/13421: #0: ffff0000ca4ff4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open_by_dev+0x180/0x7ec block/bdev.c:859 #1: ffff0001b4013f58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:559 [inline] #1: ffff0001b4013f58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1385 [inline] #1: ffff0001b4013f58 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1699 [inline] #1: ffff0001b4013f58 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2e0/0x24b4 kernel/sched/core.c:6643 =============================================