sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 07 c9 1a 00 00 40 00 I/O error, dev sr0, sector 2040936 op 0x0:(READ) flags 0x84700 phys_seg 9 prio class 2 I/O error, dev sr0, sector 2041192 op 0x0:(READ) flags 0x84700 phys_seg 13 prio class 2 INFO: task kworker/u4:8:453 blocked for more than 143 seconds. Not tainted 6.2.0-rc1-next-20221226 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u4:8 state:D stack:25248 pid:453 ppid:2 flags:0x00004000 Workqueue: events_unbound io_ring_exit_work Call Trace: __schedule+0x926/0x25d0 schedule+0xde/0x1b0 schedule_timeout+0x1cf/0x290 __wait_for_common+0x1d3/0x550 io_ring_exit_work+0x590/0xc63 process_one_work+0xa0f/0x1690 worker_thread+0x63b/0x1260 kthread+0x2f1/0x3a0 ret_from_fork+0x2c/0x50 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/11: #0: ffffffff85607b10 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc10 1 lock held by khungtaskd/25: #0: ffffffff856085e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x2c2 1 lock held by in:imklog/187: #0: ffff8880161505e8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xeb/0x110 2 locks held by kworker/u4:8/453: #0: ffff888008471138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x90d/0x1690 #1: ffff88801e4d7db0 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x941/0x1690 2 locks held by kworker/1:2H/12472: #0: ffff888008f15138 ((wq_completion)kblockd){+.+.}-{0:0}, at: process_one_work+0x90d/0x1690 #1: ffff88804362fdb0 ((work_completion)(&q->timeout_work)){+.+.}-{0:0}, at: process_one_work+0x941/0x1690 2 locks held by (agetty)/12741: #0: ffff888015a84098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x90 #1: ffff888015a84130 (&tty->atomic_write_lock){+.+.}-{3:3}, at: file_tty_write.constprop.0+0x251/0x8a0 1 lock held by syz-executor.0/13234: #0: ffff88800881deb8 (mapping.invalidate_lock#2){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x157/0x5e0 ============================================= sr 1:0:0:0: [sr0] tag#0 unaligned transfer buffer_io_error: 46 callbacks suppressed Buffer I/O error on dev sr0, logical block 0, async page read Buffer I/O error on dev sr0, logical block 1, async page read Buffer I/O error on dev sr0, logical block 2, async page read Buffer I/O error on dev sr0, logical block 3, async page read Buffer I/O error on dev sr0, logical block 4, async page read Buffer I/O error on dev sr0, logical block 5, async page read Buffer I/O error on dev sr0, logical block 6, async page read Buffer I/O error on dev sr0, logical block 7, async page read