sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 07 6a d0 00 00 40 00
I/O error, dev sr0, sector 1944384 op 0x0:(READ) flags 0x84700 phys_seg 9 prio class 2
INFO: task kworker/u4:0:8 blocked for more than 143 seconds.
      Not tainted 5.19.0-rc8-next-20220728 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:0    state:D stack:24168 pid:    8 ppid:     2 flags:0x00004000
Workqueue: events_unbound io_ring_exit_work
Call Trace:
 <TASK>
 __schedule+0x88d/0x2490
 schedule+0xda/0x1b0
 schedule_timeout+0x3ad/0x480
 __wait_for_common+0x1c3/0x4c0
 io_ring_exit_work+0x4aa/0xc2d
 process_one_work+0xa0f/0x1690
 worker_thread+0x637/0x1260
 kthread+0x2ed/0x3a0
 ret_from_fork+0x22/0x30
 </TASK>
INFO: task kworker/u4:9:733 blocked for more than 143 seconds.
      Not tainted 5.19.0-rc8-next-20220728 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:9    state:D stack:24720 pid:  733 ppid:     2 flags:0x00004000
Workqueue: events_unbound io_ring_exit_work
Call Trace:
 <TASK>
 __schedule+0x88d/0x2490
 schedule+0xda/0x1b0
 schedule_timeout+0x3ad/0x480
 __wait_for_common+0x1c3/0x4c0
 io_ring_exit_work+0x4aa/0xc2d
 process_one_work+0xa0f/0x1690
 worker_thread+0x637/0x1260
 kthread+0x2ed/0x3a0
 ret_from_fork+0x22/0x30
 </TASK>

Showing all threads with locks held in the system:
task:kworker/u4:0    state:D stack:24168 pid:    8 ppid:     2 flags:0x00004000
Workqueue: events_unbound io_ring_exit_work
Call Trace:
 <TASK>
 __schedule+0x88d/0x2490
 schedule+0xda/0x1b0
 schedule_timeout+0x3ad/0x480
 __wait_for_common+0x1c3/0x4c0
 io_ring_exit_work+0x4aa/0xc2d
 process_one_work+0xa0f/0x1690
 worker_thread+0x637/0x1260
 kthread+0x2ed/0x3a0
 ret_from_fork+0x22/0x30
 </TASK>
2 locks held by kworker/u4:0/8:
 #0: ffff888007c61138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x90d/0x1690
 #1: ffff888008627db0 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x941/0x1690
task:rcu_tasks_kthre state:I stack:29424 pid:   11 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 __schedule+0x88d/0x2490
 schedule+0xda/0x1b0
 rcu_tasks_one_gp+0x3db/0xc10
 rcu_tasks_kthread+0x80/0xa0
 kthread+0x2ed/0x3a0
 ret_from_fork+0x22/0x30
 </TASK>
1 lock held by rcu_tasks_kthre/11:
 #0: ffffffff85404750 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc10
task:in:imklog       state:R stack:28384 pid:  188 ppid:     1 flags:0x00004000
Call Trace:
 <TASK>
 __schedule+0x88d/0x2490
 schedule+0xda/0x1b0
 syslog_print+0x1c2/0x590
 do_syslog.part.0+0x10b/0x6a0
 do_syslog+0x49/0x70
 kmsg_read+0x8a/0xb0
 proc_reg_read+0x11c/0x300
 vfs_read+0x253/0x930
 ksys_read+0x127/0x250
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f51d690c08c
RSP: 002b:00007f51d5ea84d0 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f51d690c08c
RDX: 0000000000001fa0 RSI: 00007f51d5ea8d00 RDI: 0000000000000005
RBP: 000055c37a36d4c0 R08: 0000000000000000 R09: 000055c37a369e88
R10: a3d70a3d70a3d70b R11: 0000000000000246 R12: 00007f51d5ea8d00
R13: 0000000000001fa0 R14: 00007f51d5ea8d00 R15: 00007f51d5ea8da8
 </TASK>
1 lock held by in:imklog/188:
 #0: ffff88800d696ae8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe7/0x100
task:kworker/u4:9    state:D stack:24720 pid:  733 ppid:     2 flags:0x00004000
Workqueue: events_unbound io_ring_exit_work
Call Trace:
 <TASK>
 __schedule+0x88d/0x2490
 schedule+0xda/0x1b0
 schedule_timeout+0x3ad/0x480
 __wait_for_common+0x1c3/0x4c0
 io_ring_exit_work+0x4aa/0xc2d
 process_one_work+0xa0f/0x1690
 worker_thread+0x637/0x1260
 kthread+0x2ed/0x3a0
 ret_from_fork+0x22/0x30
 </TASK>
2 locks held by kworker/u4:9/733:
 #0: ffff888007c61138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x90d/0x1690
 #1: ffff888032cb7db0 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x941/0x1690
task:syz-executor.3  state:D stack:23288 pid:23349 ppid:   295 flags:0x00024006
Call Trace:
 <TASK>
 __schedule+0x88d/0x2490
 schedule+0xda/0x1b0
 io_schedule+0xbe/0x130
 blk_mq_get_tag+0x55e/0xbd0
 __blk_mq_alloc_requests+0x615/0xef0
 blk_mq_submit_bio+0xa43/0x1bf0
 __submit_bio+0x1c7/0x230
 submit_bio_noacct_nocheck+0x6c9/0x8a0
 submit_bio_noacct+0x824/0x1370
 submit_bio+0x8b/0x250
 do_mpage_readpage+0xce8/0x1830
 mpage_readahead+0x347/0x670
 read_pages+0x1a6/0xef0
 page_cache_ra_unbounded+0x3ea/0x550
 page_cache_ra_order+0x15a/0x1b0
 filemap_fault+0x1325/0x22a0
 __do_fault+0x113/0x5a0
 __handle_mm_fault+0x13a5/0x3610
 handle_mm_fault+0x2e6/0xa20
 __get_user_pages+0x510/0x11a0
 populate_vma_page_range+0x23d/0x320
 __mm_populate+0x1ea/0x3d0
 vm_mmap_pgoff+0x1f5/0x270
 ksys_mmap_pgoff+0x3d0/0x4f0
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5777a12b19
RSP: 002b:00007f5774f88188 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f5777b25f60 RCX: 00007f5777a12b19
RDX: 0000000001000004 RSI: 0000000000002000 RDI: 0000000020ffc000
RBP: 00007f5777a6cf6d R08: 0000000000000008 R09: 0000000000000000
R10: 0000000000002811 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe983de49f R14: 00007f5774f88300 R15: 0000000000022000
 </TASK>
1 lock held by syz-executor.3/23349:
 #0: ffff888008135eb8 (mapping.invalidate_lock#2){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x153/0x550

=============================================

scsi_io_completion_action: 213 callbacks suppressed
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 07 9f b0 00 00 40 00
blk_print_req_error: 213 callbacks suppressed
I/O error, dev sr0, sector 1998528 op 0x0:(READ) flags 0x84700 phys_seg 8 prio class 2
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 07 9f f0 00 00 40 00
I/O error, dev sr0, sector 1998784 op 0x0:(READ) flags 0x84700 phys_seg 9 prio class 2
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 07 a0 30 00 00 40 00
I/O error, dev sr0, sector 1999040 op 0x0:(READ) flags 0x84700 phys_seg 8 prio class 2
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 07 a0 70 00 00 40 00
I/O error, dev sr0, sector 1999296 op 0x0:(READ) flags 0x84700 phys_seg 7 prio class 2
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 07 a0 b0 00 00 40 00
I/O error, dev sr0, sector 1999552 op 0x0:(READ) flags 0x84700 phys_seg 6 prio class 2
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 07 a0 f0 00 00 40 00
I/O error, dev sr0, sector 1999808 op 0x0:(READ) flags 0x84700 phys_seg 7 prio class 2
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 07 a1 30 00 00 40 00
I/O error, dev sr0, sector 2000064 op 0x0:(READ) flags 0x84700 phys_seg 5 prio class 2
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 07 a1 70 00 00 40 00
I/O error, dev sr0, sector 2000320 op 0x0:(READ) flags 0x84700 phys_seg 7 prio class 2
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 07 a1 b0 00 00 40 00
I/O error, dev sr0, sector 2000576 op 0x0:(READ) flags 0x84700 phys_seg 6 prio class 2
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 07 a1 f0 00 00 40 00
I/O error, dev sr0, sector 2000832 op 0x0:(READ) flags 0x84700 phys_seg 9 prio class 2
scsi_io_completion_action: 258 callbacks suppressed
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 07 e2 24 00 00 3a 00
blk_print_req_error: 258 callbacks suppressed
I/O error, dev sr0, sector 2066576 op 0x0:(READ) flags 0x80700 phys_seg 7 prio class 2
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 07 e2 5e 00 00 40 00
I/O error, dev sr0, sector 2066808 op 0x0:(READ) flags 0x84700 phys_seg 12 prio class 2
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 07 e2 9e 00 00 40 00
I/O error, dev sr0, sector 2067064 op 0x0:(READ) flags 0x84700 phys_seg 6 prio class 2
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 07 e2 de 00 00 40 00
I/O error, dev sr0, sector 2067320 op 0x0:(READ) flags 0x84700 phys_seg 7 prio class 2
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 07 e3 1e 00 00 40 00
I/O error, dev sr0, sector 2067576 op 0x0:(READ) flags 0x84700 phys_seg 7 prio class 2
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 07 e3 5e 00 00 40 00
I/O error, dev sr0, sector 2067832 op 0x0:(READ) flags 0x84700 phys_seg 6 prio class 2
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 07 e3 9e 00 00 40 00
I/O error, dev sr0, sector 2068088 op 0x0:(READ) flags 0x84700 phys_seg 5 prio class 2
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 07 e3 de 00 00 40 00
I/O error, dev sr0, sector 2068344 op 0x0:(READ) flags 0x84700 phys_seg 6 prio class 2
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 07 e4 1e 00 00 40 00
I/O error, dev sr0, sector 2068600 op 0x0:(READ) flags 0x84700 phys_seg 6 prio class 2
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 07 e4 5e 00 00 40 00
I/O error, dev sr0, sector 2068856 op 0x0:(READ) flags 0x84700 phys_seg 6 prio class 2