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 00 00 00 40 00 critical target error, dev sr0, sector 1998848 op 0x1:(WRITE) flags 0x4000 phys_seg 32 prio class 2 INFO: task syz-executor.6:20129 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.6 state:D stack:30080 pid:20129 tgid:20017 ppid:18593 task_flags:0x400040 flags:0x00080002 Call Trace: __schedule+0xe7e/0x3580 schedule+0xdb/0x390 schedule_preempt_disabled+0x10/0x20 rwsem_down_read_slowpath+0x575/0xca0 down_read+0xec/0x470 filemap_fault+0x184c/0x2ca0 __do_fault+0x10d/0x480 __handle_mm_fault+0x11c0/0x3270 handle_mm_fault+0x2c3/0x9b0 do_user_addr_fault+0x501/0x12b0 exc_page_fault+0xb0/0x180 asm_exc_page_fault+0x26/0x30 RIP: 0033:0x7f10b587fa93 RSP: 002b:00007f10b2e35178 EFLAGS: 00010212 RAX: 00007f10b587fa70 RBX: 00007f10b59f4020 RCX: 0000000020ffd000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020ffd000 RBP: 00007f10b593af6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 00000000000d06ee R12: 0000000000000000 R13: 00007ffc9a29363f R14: 00007f10b2e35300 R15: 0000000000022000 INFO: task syz-executor.6:20129 blocked on an rw-semaphore likely owned by task syz-executor.3:20128 task:syz-executor.3 state:D stack:26568 pid:20128 tgid:20109 ppid:13700 task_flags:0x400040 flags:0x00080003 Call Trace: __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: 0033:0x7f3d994bab19 RSP: 002b:00007f3d96a30188 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007f3d995cdf60 RCX: 00007f3d994bab19 RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003 RBP: 00007f3d99514f6d R08: 0000000000000000 R09: 0000000000000000 R10: 1000000000000105 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdadef75cf R14: 00007f3d96a30300 R15: 0000000000022000 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 in:imklog/176: #0: ffff8880160e82b8 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2a8/0x380 2 locks held by syz-executor.6/20129: #0: ffff888040e7ca88 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x117/0x530 #1: ffff888009150938 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_fault+0x184c/0x2ca0 2 locks held by syz-executor.3/20128: #0: ffff888009150798 (&sb->s_type->i_mutex_key#6){++++}-{4:4}, at: blkdev_fallocate+0x248/0x450 #1: ffff888009150938 (mapping.invalidate_lock){++++}-{4:4}, at: blkdev_fallocate+0x279/0x450 ============================================= scsi_io_completion_action: 229 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 d9 80 00 00 40 00 blk_print_req_error: 229 callbacks suppressed critical target error, dev sr0, sector 2057728 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 d9 c0 00 00 40 00 critical target error, dev sr0, sector 2057984 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 da 00 00 00 40 00 critical target error, dev sr0, sector 2058240 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 da 40 00 00 40 00 critical target error, dev sr0, sector 2058496 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 da 80 00 00 40 00 critical target error, dev sr0, sector 2058752 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 da c0 00 00 40 00 critical target error, dev sr0, sector 2059008 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 db 00 00 00 40 00 critical target error, dev sr0, sector 2059264 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 db 40 00 00 40 00 critical target error, dev sr0, sector 2059520 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 db 80 00 00 40 00 critical target error, dev sr0, sector 2059776 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 db c0 00 00 40 00 critical target error, dev sr0, sector 2060032 op 0x1:(WRITE) flags 0x0 phys_seg 32 prio class 2 sr 1:0:0:0: [sr0] tag#0 unaligned transfer buffer_io_error: 14 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 Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2