INFO: task syz-executor414:3108 blocked for more than 143 seconds. Not tainted 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor414 state:D stack:0 pid:3108 ppid:3107 flags:0x00000001 Call trace: __switch_to+0x180/0x298 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5209 [inline] __schedule+0x408/0x594 kernel/sched/core.c:6521 schedule+0x64/0xa4 kernel/sched/core.c:6597 io_schedule+0x38/0xbc kernel/sched/core.c:8741 bit_wait_io+0x18/0x60 kernel/sched/wait_bit.c:209 __wait_on_bit_lock+0x6c/0x114 kernel/sched/wait_bit.c:90 out_of_line_wait_on_bit_lock+0x84/0xac kernel/sched/wait_bit.c:117 wait_on_bit_lock_io include/linux/wait_bit.h:208 [inline] __lock_buffer fs/buffer.c:69 [inline] lock_buffer include/linux/buffer_head.h:397 [inline] __sync_dirty_buffer+0xe8/0x328 fs/buffer.c:2732 sync_dirty_buffer+0x24/0x34 fs/buffer.c:2758 __ext4_handle_dirty_metadata+0x118/0x3e0 fs/ext4/ext4_jbd2.c:381 ext4_handle_dirty_dirblock+0x110/0x228 fs/ext4/namei.c:438 ext4_finish_convert_inline_dir+0x1f4/0x30c fs/ext4/inline.c:1182 ext4_convert_inline_data_nolock+0x378/0x450 fs/ext4/inline.c:1259 ext4_try_add_inline_entry+0x2c8/0x420 fs/ext4/inline.c:1332 ext4_add_entry+0x1f4/0x700 fs/ext4/namei.c:2385 ext4_rename fs/ext4/namei.c:3897 [inline] ext4_rename2+0xde0/0x15c0 fs/ext4/namei.c:4177 vfs_rename+0x59c/0x7f8 fs/namei.c:4779 do_renameat2+0x490/0x758 fs/namei.c:4930 __do_sys_renameat2 fs/namei.c:4963 [inline] __se_sys_renameat2 fs/namei.c:4960 [inline] __arm64_sys_renameat2+0x6c/0x88 fs/namei.c:4960 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x140 arch/arm64/kernel/syscall.c:197 el0_svc+0x58/0x150 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:584 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/11: #0: ffff80000d4a4768 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 kernel/rcu/tasks.h:507 1 lock held by rcu_tasks_trace/12: #0: ffff80000d4a4db8 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 kernel/rcu/tasks.h:507 1 lock held by khungtaskd/27: #0: ffff80000d4a4640 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:303 2 locks held by getty/2757: #0: ffff0000c685c098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x28/0x58 drivers/tty/tty_ldisc.c:244 #1: ffff80000f6be2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x19c/0x89c drivers/tty/n_tty.c:2177 3 locks held by syz-executor414/3108: #0: ffff0000c93f5460 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x20/0x64 fs/namespace.c:393 #1: ffff0000ca533d60 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:791 [inline] #1: ffff0000ca533d60 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: lock_rename+0x84/0xec fs/namei.c:2990 #2: ffff0000ca533a28 (&ei->xattr_sem){++++}-{3:3}, at: ext4_write_lock_xattr fs/ext4/xattr.h:155 [inline] #2: ffff0000ca533a28 (&ei->xattr_sem){++++}-{3:3}, at: ext4_try_add_inline_entry+0x84/0x420 fs/ext4/inline.c:1290 =============================================