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 73 80 00 00 40 00 critical target error, dev sr0, sector 1953280 op 0x1:(WRITE) flags 0x4000 phys_seg 32 prio class 2 INFO: task syz-executor.1:12342 blocked for more than 143 seconds. Not tainted 6.17.0-next-20251003 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:30424 pid:12342 tgid:12105 ppid:286 task_flags:0x400040 flags:0x00080002 Call Trace: __schedule+0xe7e/0x3580 schedule+0xdb/0x390 schedule_preempt_disabled+0x10/0x20 rwsem_down_write_slowpath+0x3c1/0x1330 down_write+0x1c2/0x1f0 blkdev_fallocate+0x248/0x450 vfs_fallocate+0x3fb/0xd60 __x64_sys_fallocate+0xd6/0x150 do_syscall_64+0xbf/0x390 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc19f77db19 RSP: 002b:00007fc19cc90188 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007fc19f8911a0 RCX: 00007fc19f77db19 RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003 RBP: 00007fc19f7d7f6d R08: 0000000000000000 R09: 0000000000000000 R10: 1000000000000105 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffef1a0b7cf R14: 00007fc19cc90300 R15: 0000000000022000 INFO: task syz-executor.1:12342 blocked on an rw-semaphore likely owned by task syz-executor.1:12110 task:syz-executor.1 state:D stack:26568 pid:12110 tgid:12105 ppid:286 task_flags:0x400140 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: 0033:0x7fc19f77db19 RSP: 002b:00007fc19ccf3188 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007fc19f890f60 RCX: 00007fc19f77db19 RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003 RBP: 00007fc19f7d7f6d R08: 0000000000000000 R09: 0000000000000000 R10: 1000000000000105 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffef1a0b7cf R14: 00007fc19ccf3300 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/175: #0: ffff888016bde638 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2a8/0x380 2 locks held by syz-executor.1/12110: #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.1/12342: #0: ffff888009056cd8 (&sb->s_type->i_mutex_key#6){++++}-{4:4}, at: blkdev_fallocate+0x248/0x450 ============================================= scsi_io_completion_action: 241 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 b0 00 00 00 40 00 blk_print_req_error: 241 callbacks suppressed critical target error, dev sr0, sector 2015232 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 b0 40 00 00 40 00 critical target error, dev sr0, sector 2015488 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 b0 80 00 00 40 00 critical target error, dev sr0, sector 2015744 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 b0 c0 00 00 40 00 critical target error, dev sr0, sector 2016000 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 b1 00 00 00 40 00 critical target error, dev sr0, sector 2016256 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 b1 40 00 00 40 00 critical target error, dev sr0, sector 2016512 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 b1 80 00 00 40 00 critical target error, dev sr0, sector 2016768 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 b1 c0 00 00 40 00 critical target error, dev sr0, sector 2017024 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 b2 00 00 00 40 00 critical target error, dev sr0, sector 2017280 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 b2 40 00 00 40 00 critical target error, dev sr0, sector 2017536 op 0x1:(WRITE) flags 0x4000 phys_seg 32 prio class 2 scsi_io_completion_action: 256 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 f2 80 00 00 40 00 blk_print_req_error: 256 callbacks suppressed critical target error, dev sr0, sector 2083328 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 f2 c0 00 00 40 00 critical target error, dev sr0, sector 2083584 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 f3 00 00 00 40 00 critical target error, dev sr0, sector 2083840 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 f3 40 00 00 40 00 critical target error, dev sr0, sector 2084096 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 f3 80 00 00 40 00 critical target error, dev sr0, sector 2084352 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 f3 c0 00 00 40 00 critical target error, dev sr0, sector 2084608 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 f4 00 00 00 40 00 critical target error, dev sr0, sector 2084864 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 f4 40 00 00 40 00 critical target error, dev sr0, sector 2085120 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 f4 80 00 00 40 00 critical target error, dev sr0, sector 2085376 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 f4 c0 00 00 40 00 critical target error, dev sr0, sector 2085632 op 0x1:(WRITE) flags 0x4000 phys_seg 32 prio class 2 sr 1:0:0:0: [sr0] tag#0 unaligned transfer