INFO: task io_uring-sq:7286 blocked for more than 143 seconds. Not tainted 5.10.45 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:io_uring-sq state:D stack:30920 pid: 7286 ppid: 2 flags:0x10004000 Call Trace: context_switch kernel/sched/core.c:3776 [inline] __schedule+0x83f/0x1e70 kernel/sched/core.c:4525 schedule+0xcb/0x270 kernel/sched/core.c:4603 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4662 kthread+0x2a3/0x470 kernel/kthread.c:285 ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:296 Showing all locks held in the system: 2 locks held by systemd/1: #0: ffff888044a63098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:266 #1: ffff888044a63130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: tty_write_lock drivers/tty/tty_io.c:952 [inline] #1: ffff888044a63130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: do_tty_write drivers/tty/tty_io.c:975 [inline] #1: ffff888044a63130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: file_tty_write.constprop.0+0x29d/0x8d0 drivers/tty/tty_io.c:1118 1 lock held by khungtaskd/22: #0: ffffffff84df64a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6261 1 lock held by in:imklog/198: 2 locks held by agetty/229: #0: ffff8880094ea098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:266 #1: ffffc900007cf2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xdca/0x1320 drivers/tty/n_tty.c:2174 3 locks held by syz-executor/8230: ============================================= EXT4-fs (loop4): invalid first ino: 0