INFO: task syz-executor.3:6341 blocked for more than 143 seconds. Not tainted 6.3.0-rc3-syzkaller-ge8d018dd0257 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:0 pid:6341 ppid:5993 flags:0x00000009 Call trace: __switch_to+0x320/0x754 arch/arm64/kernel/process.c:556 context_switch kernel/sched/core.c:5304 [inline] __schedule+0x1048/0x1e38 kernel/sched/core.c:6622 schedule+0xc4/0x170 kernel/sched/core.c:6698 io_schedule+0x8c/0x120 kernel/sched/core.c:8884 folio_wait_bit_common+0x65c/0xb90 mm/filemap.c:1301 __folio_lock mm/filemap.c:1664 [inline] folio_lock include/linux/pagemap.h:952 [inline] __filemap_get_folio+0x5ac/0xb6c mm/filemap.c:1936 truncate_inode_pages_range+0x43c/0xd54 mm/truncate.c:377 truncate_inode_pages mm/truncate.c:448 [inline] truncate_inode_pages_final+0x90/0xc0 mm/truncate.c:483 ntfs_evict_inode+0x24/0xc8 fs/ntfs3/inode.c:1771 evict+0x260/0x68c fs/inode.c:665 iput_final fs/inode.c:1748 [inline] iput+0x734/0x818 fs/inode.c:1774 ntfs_fill_super+0x34a8/0x3b9c fs/ntfs3/super.c:1239 get_tree_bdev+0x360/0x54c fs/super.c:1294 ntfs_fs_get_tree+0x28/0x38 fs/ntfs3/super.c:1408 vfs_get_tree+0x90/0x274 fs/super.c:1501 do_new_mount+0x25c/0x8c8 fs/namespace.c:3042 path_mount+0x590/0xe20 fs/namespace.c:3372 do_mount fs/namespace.c:3385 [inline] __do_sys_mount fs/namespace.c:3594 [inline] __se_sys_mount fs/namespace.c:3571 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3571 __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+0x58/0x168 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: 1 lock held by rcu_tasks_kthre/12: #0: ffff800015d167d0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:510 1 lock held by rcu_tasks_trace/13: #0: ffff800015d16fd0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:510 1 lock held by khungtaskd/28: #0: ffff800015d16600 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:326 2 locks held by kworker/u4:4/1619: #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x664/0x12d4 kernel/workqueue.c:2363 #1: ffff8000228a7c20 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x12d4 kernel/workqueue.c:2365 2 locks held by getty/5627: #0: ffff0000d302a098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80001a8702f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1210 drivers/tty/n_tty.c:2177 1 lock held by syz-executor.3/6341: #0: ffff00012db540e0 (&type->s_umount_key#50/1){+.+.}-{3:3}, at: alloc_super+0x1b4/0x824 fs/super.c:228 2 locks held by kworker/u4:18/6659: 2 locks held by kworker/u4:20/6712: #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x664/0x12d4 kernel/workqueue.c:2363 #1: ffff8000214e7c20 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x12d4 kernel/workqueue.c:2365 2 locks held by kworker/u4:22/6764: #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x664/0x12d4 kernel/workqueue.c:2363 #1: ffff800021047c20 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x12d4 kernel/workqueue.c:2365 2 locks held by kworker/u4:24/6766: #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x664/0x12d4 kernel/workqueue.c:2363 #1: ffff80001e707c20 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x12d4 kernel/workqueue.c:2365 2 locks held by kworker/u4:25/6767: #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x664/0x12d4 kernel/workqueue.c:2363 #1: ffff80001ec37c20 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x12d4 kernel/workqueue.c:2365 2 locks held by kworker/u4:32/9535: #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x664/0x12d4 kernel/workqueue.c:2363 #1: ffff80001f757c20 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x12d4 kernel/workqueue.c:2365 1 lock held by syz-executor.3/10071: #0: ffff00012db540e0 (&type->s_umount_key#52){++++}-{3:3}, at: iterate_supers+0xb0/0x1dc fs/super.c:734 1 lock held by syz-executor.3/10086: #0: ffff00012db540e0 (&type->s_umount_key#52){++++}-{3:3}, at: iterate_supers+0xb0/0x1dc fs/super.c:734 1 lock held by syz-executor.5/10103: #0: ffff0001364bca10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline] #0: ffff0001364bca10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:652 [inline] #0: ffff0001364bca10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x80/0x1fc net/socket.c:1395 1 lock held by syz-executor.5/10114: #0: ffff0000cc6b2130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1697 [inline] #0: ffff0000cc6b2130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x44/0xb08 net/packet/af_packet.c:3193 =============================================