INFO: task kworker/1:9:6098 blocked for more than 143 seconds. Not tainted 6.5.0-rc5-syzkaller-g6f09e57d8cf6 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:9 state:D stack:0 pid:6098 ppid:2 flags:0x00000008 Workqueue: events_long flush_old_commits 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 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6845 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:799 reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27 reiserfs_sync_fs fs/reiserfs/super.c:76 [inline] flush_old_commits+0x1b0/0x2b8 fs/reiserfs/super.c:111 process_one_work+0x800/0x1480 kernel/workqueue.c:2597 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2748 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853 INFO: task syz-executor.5:9921 blocked for more than 143 seconds. Not tainted 6.5.0-rc5-syzkaller-g6f09e57d8cf6 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:0 pid:9921 ppid:6037 flags:0x00000005 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 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6845 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:799 reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27 reiserfs_ioctl+0x70/0x454 fs/reiserfs/ioctl.c:81 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 INFO: task syz-executor.5:9931 blocked for more than 143 seconds. Not tainted 6.5.0-rc5-syzkaller-g6f09e57d8cf6 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:0 pid:9931 ppid:6037 flags:0x00000005 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 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6845 rwsem_down_write_slowpath+0xcfc/0x1aa0 kernel/locking/rwsem.c:1178 __down_write_common kernel/locking/rwsem.c:1306 [inline] __down_write kernel/locking/rwsem.c:1315 [inline] down_write+0xb4/0xc0 kernel/locking/rwsem.c:1574 inode_lock include/linux/fs.h:771 [inline] open_last_lookups fs/namei.c:3557 [inline] path_openat+0x5f0/0x27f8 fs/namei.c:3790 do_filp_open+0x1bc/0x3cc fs/namei.c:3820 do_sys_openat2+0x124/0x1b8 fs/open.c:1407 do_sys_open fs/open.c:1422 [inline] __do_sys_openat fs/open.c:1438 [inline] __se_sys_openat fs/open.c:1433 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1433 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 INFO: task syz-executor.5:9935 blocked for more than 143 seconds. Not tainted 6.5.0-rc5-syzkaller-g6f09e57d8cf6 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:0 pid:9935 ppid:6037 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 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6845 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:799 reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27 reiserfs_get_block+0x220/0x45d8 fs/reiserfs/inode.c:680 block_read_full_folio+0x3f8/0xda4 fs/buffer.c:2412 reiserfs_read_folio+0x28/0x38 fs/reiserfs/inode.c:2728 filemap_read_folio+0x14c/0x39c mm/filemap.c:2389 do_read_cache_folio+0x114/0x548 mm/filemap.c:3696 do_read_cache_page mm/filemap.c:3762 [inline] read_cache_page+0x6c/0x170 mm/filemap.c:3771 read_mapping_page include/linux/pagemap.h:776 [inline] page_get_link+0x6c/0x438 fs/namei.c:5157 pick_link+0x530/0xb8c step_into+0x9fc/0xd1c fs/namei.c:1868 walk_component+0x1d4/0x36c fs/namei.c:2004 lookup_last fs/namei.c:2455 [inline] path_lookupat+0x13c/0x3d0 fs/namei.c:2479 filename_lookup+0x1d4/0x4e0 fs/namei.c:2508 user_path_at_empty+0x5c/0x1a4 fs/namei.c:2907 user_path_at include/linux/namei.h:57 [inline] do_mount fs/namespace.c:3672 [inline] __do_sys_mount fs/namespace.c:3884 [inline] __se_sys_mount fs/namespace.c:3861 [inline] __arm64_sys_mount+0x428/0x594 fs/namespace.c:3861 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 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 1 lock held by klogd/5597: 2 locks held by getty/5749: #0: ffff0000d99b2098 (&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 4 locks held by kworker/1:9/6098: #0: ffff0000c0021538 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work+0x6b4/0x1480 kernel/workqueue.c:2569 #1: ffff8000973d7c20 ((work_completion)(&(&sbi->old_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6f0/0x1480 kernel/workqueue.c:2571 #2: ffff0000dfa660e0 (&type->s_umount_key#67){++++}-{3:3}, at: flush_old_commits+0xcc/0x2b8 fs/reiserfs/super.c:97 #3: ffff0000d972c090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27 3 locks held by kworker/u4:6/6112: 4 locks held by syz-executor.5/9834: 1 lock held by syz-executor.5/9921: #0: ffff0000d972c090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27 2 locks held by syz-executor.5/9931: #0: ffff0000dfa66410 (sb_writers#15){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:403 #1: ffff0000dfed02e0 (&type->i_mutex_dir_key#13){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:771 [inline] #1: ffff0000dfed02e0 (&type->i_mutex_dir_key#13){+.+.}-{3:3}, at: open_last_lookups fs/namei.c:3557 [inline] #1: ffff0000dfed02e0 (&type->i_mutex_dir_key#13){+.+.}-{3:3}, at: path_openat+0x5f0/0x27f8 fs/namei.c:3790 1 lock held by syz-executor.5/9935: #0: ffff0000d972c090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27 2 locks held by syz-executor.5/12097: #0: ffff0000dfa660e0 (&type->s_umount_key#67){++++}-{3:3}, at: iterate_supers+0xb0/0x1dc fs/super.c:742 #1: ffff0000d972c090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27 2 locks held by syz-executor.5/12102: #0: ffff0000dfa660e0 (&type->s_umount_key#67){++++}-{3:3}, at: iterate_supers+0xb0/0x1dc fs/super.c:742 #1: ffff0000d972c090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27 2 locks held by syz-executor.5/12106: #0: ffff0000dfa660e0 (&type->s_umount_key#67){++++}-{3:3}, at: iterate_supers+0xb0/0x1dc fs/super.c:742 #1: ffff0000d972c090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27 2 locks held by syz-executor.5/12108: #0: ffff0000dfa660e0 (&type->s_umount_key#67){++++}-{3:3}, at: iterate_supers+0xb0/0x1dc fs/super.c:742 #1: ffff0000d972c090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27 =============================================