critical target error, dev sr0, sector 1934080 op 0x1:(WRITE) flags 0x4000 phys_seg 32 prio class 2
critical target error, dev sr0, sector 1934336 op 0x1:(WRITE) flags 0x4000 phys_seg 32 prio class 2
critical target error, dev sr0, sector 1934592 op 0x1:(WRITE) flags 0x4000 phys_seg 32 prio class 2
INFO: task syz-executor.2:32258 blocked for more than 143 seconds.
      Not tainted 6.17.0-next-20250929 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:26984 pid:32258 tgid:32136 ppid:285    task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0xe7e/0x3580
 schedule+0xdb/0x390
 schedule_preempt_disabled+0x10/0x20
 rwsem_down_read_slowpath+0x575/0xca0
 down_read+0xec/0x470
 blkdev_write_iter+0x789/0xd00
 vfs_write+0xbe9/0x1150
 ksys_write+0x121/0x240
 do_syscall_64+0xbf/0x390
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f73becdcb19
RSP: 002b:00007f73bc231188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f73bedf0020 RCX: 00007f73becdcb19
RDX: 0000000000000214 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00007f73bed36f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd03f4e3af R14: 00007f73bc231300 R15: 0000000000022000
 </TASK>
INFO: task syz-executor.2:32258 <reader> blocked on an rw-semaphore likely owned by task syz-executor.2:32138 <writer>
task:syz-executor.2  state:D stack:26568 pid:32138 tgid:32136 ppid:285    task_flags:0x400140 flags:0x00080003
Call Trace:
 <TASK>
 __schedule+0xe7e/0x3580
 schedule+0xdb/0x390
 io_schedule+0xbf/0x130
 blk_mq_get_tag+0x568/0xaa0
 __blk_mq_alloc_requests+0x6ed/0x15a0
 blk_mq_submit_bio+0x17c3/0x2430
 __submit_bio+0x17f/0x5b0
 submit_bio_noacct_nocheck+0x552/0xb60
 submit_bio_noacct+0x35b/0x1350
 bio_chain_and_submit+0x2f/0x40
 __blkdev_issue_zero_pages+0x2ee/0x630
 blkdev_issue_zeroout+0x540/0x800
 blkdev_fallocate+0x387/0x450
 vfs_fallocate+0x3fb/0xd60
 __x64_sys_fallocate+0xd6/0x150
 do_syscall_64+0xbf/0x390
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f73becdcb19
RSP: 002b:00007f73bc252188 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f73bedeff60 RCX: 00007f73becdcb19
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003
RBP: 00007f73bed36f6d R08: 0000000000000000 R09: 0000000000000000
R10: 1000000000000105 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd03f4e3af R14: 00007f73bc252300 R15: 0000000000022000
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/32:
 #0: ffffffff85e1d9a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0
1 lock held by systemd-journal/97:
1 lock held by in:imklog/175:
2 locks held by syz-executor.2/32138:
 #0: ffff888009056cd8 (&sb->s_type->i_mutex_key#6){++++}-{4:4}, at: blkdev_fallocate+0x248/0x450
 #1: ffff888009056e78 (mapping.invalidate_lock){++++}-{4:4}, at: blkdev_fallocate+0x279/0x450
1 lock held by syz-executor.2/32258:
 #0: ffff888009056cd8 (&sb->s_type->i_mutex_key#6){++++}-{4:4}, at: blkdev_write_iter+0x789/0xd00
2 locks held by kworker/1:0/32363:
 #0: ffff888008c62d48 ((wq_completion)events_freezable_pwr_efficient){+.+.}-{0:0}, at: process_one_work+0x1240/0x19c0
 #1: ffff88804a7a7d30 ((work_completion)(&(&ev->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x857/0x19c0

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

scsi_io_completion_action: 254 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 : Illegal Request [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Invalid command operation code
sr 1:0:0:0: [sr0] tag#0 CDB: Write(10) 2a 00 00 07 a0 40 00 00 40 00
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 : Illegal Request [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Invalid command operation code
sr 1:0:0:0: [sr0] tag#0 CDB: Write(10) 2a 00 00 07 a0 80 00 00 40 00
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 : Illegal Request [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Invalid command operation code
sr 1:0:0:0: [sr0] tag#0 CDB: Write(10) 2a 00 00 07 a0 c0 00 00 40 00
blk_print_req_error: 253 callbacks suppressed
critical target error, dev sr0, sector 1999616 op 0x1:(WRITE) flags 0x4000 phys_seg 32 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 : Illegal Request [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Invalid command operation code
sr 1:0:0:0: [sr0] tag#0 CDB: Write(10) 2a 00 00 07 a1 00 00 00 40 00
critical target error, dev sr0, sector 1999872 op 0x1:(WRITE) flags 0x4000 phys_seg 32 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 : Illegal Request [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Invalid command operation code
sr 1:0:0:0: [sr0] tag#0 CDB: Write(10) 2a 00 00 07 a1 40 00 00 40 00
critical target error, dev sr0, sector 2000128 op 0x1:(WRITE) flags 0x4000 phys_seg 32 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 : Illegal Request [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Invalid command operation code
sr 1:0:0:0: [sr0] tag#0 CDB: Write(10) 2a 00 00 07 a1 80 00 00 40 00
critical target error, dev sr0, sector 2000384 op 0x1:(WRITE) flags 0x4000 phys_seg 32 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 : Illegal Request [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Invalid command operation code
sr 1:0:0:0: [sr0] tag#0 CDB: Write(10) 2a 00 00 07 a1 c0 00 00 40 00
critical target error, dev sr0, sector 2000640 op 0x1:(WRITE) flags 0x0 phys_seg 32 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 : Illegal Request [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Invalid command operation code
sr 1:0:0:0: [sr0] tag#0 CDB: Write(10) 2a 00 00 07 a2 00 00 00 40 00
critical target error, dev sr0, sector 2000896 op 0x1:(WRITE) flags 0x4000 phys_seg 32 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 : Illegal Request [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Invalid command operation code
sr 1:0:0:0: [sr0] tag#0 CDB: Write(10) 2a 00 00 07 a2 40 00 00 40 00
critical target error, dev sr0, sector 2001152 op 0x1:(WRITE) flags 0x4000 phys_seg 32 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 : Illegal Request [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Invalid command operation code
sr 1:0:0:0: [sr0] tag#0 CDB: Write(10) 2a 00 00 07 a2 80 00 00 40 00
critical target error, dev sr0, sector 2001408 op 0x1:(WRITE) flags 0x4000 phys_seg 32 prio class 2
critical target error, dev sr0, sector 2001664 op 0x1:(WRITE) flags 0x4000 phys_seg 32 prio class 2
critical target error, dev sr0, sector 2001920 op 0x1:(WRITE) flags 0x4000 phys_seg 32 prio class 2
scsi_io_completion_action: 232 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 : Illegal Request [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Invalid command operation code
sr 1:0:0:0: [sr0] tag#0 CDB: Write(10) 2a 00 00 07 dc c0 00 00 40 00
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 : Illegal Request [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Invalid command operation code
sr 1:0:0:0: [sr0] tag#0 CDB: Write(10) 2a 00 00 07 dd 00 00 00 40 00
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 : Illegal Request [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Invalid command operation code
sr 1:0:0:0: [sr0] tag#0 CDB: Write(10) 2a 00 00 07 dd 40 00 00 40 00
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 : Illegal Request [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Invalid command operation code
sr 1:0:0:0: [sr0] tag#0 CDB: Write(10) 2a 00 00 07 dd 80 00 00 40 00
blk_print_req_error: 233 callbacks suppressed
critical target error, dev sr0, sector 2061824 op 0x1:(WRITE) flags 0x4000 phys_seg 32 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 : Illegal Request [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Invalid command operation code
sr 1:0:0:0: [sr0] tag#0 CDB: Write(10) 2a 00 00 07 dd c0 00 00 40 00
critical target error, dev sr0, sector 2062080 op 0x1:(WRITE) flags 0x0 phys_seg 32 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 : Illegal Request [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Invalid command operation code
sr 1:0:0:0: [sr0] tag#0 CDB: Write(10) 2a 00 00 07 de 00 00 00 40 00
critical target error, dev sr0, sector 2062336 op 0x1:(WRITE) flags 0x4000 phys_seg 32 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 : Illegal Request [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Invalid command operation code
sr 1:0:0:0: [sr0] tag#0 CDB: Write(10) 2a 00 00 07 de 40 00 00 40 00
critical target error, dev sr0, sector 2062592 op 0x1:(WRITE) flags 0x4000 phys_seg 32 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 : Illegal Request [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Invalid command operation code
sr 1:0:0:0: [sr0] tag#0 CDB: Write(10) 2a 00 00 07 de 80 00 00 40 00
critical target error, dev sr0, sector 2062848 op 0x1:(WRITE) flags 0x4000 phys_seg 32 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 : Illegal Request [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Invalid command operation code
sr 1:0:0:0: [sr0] tag#0 CDB: Write(10) 2a 00 00 07 de c0 00 00 40 00
critical target error, dev sr0, sector 2063104 op 0x1:(WRITE) flags 0x4000 phys_seg 32 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 : Illegal Request [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Invalid command operation code
sr 1:0:0:0: [sr0] tag#0 CDB: Write(10) 2a 00 00 07 df 00 00 00 40 00
critical target error, dev sr0, sector 2063360 op 0x1:(WRITE) flags 0x4000 phys_seg 32 prio class 2
critical target error, dev sr0, sector 2063616 op 0x1:(WRITE) flags 0x4000 phys_seg 32 prio class 2
critical target error, dev sr0, sector 2063872 op 0x1:(WRITE) flags 0x4000 phys_seg 32 prio class 2
critical target error, dev sr0, sector 2064128 op 0x1:(WRITE) flags 0x0 phys_seg 32 prio class 2
sr 1:0:0:0: [sr0] tag#0 unaligned transfer