sr 1:0:0:0: [sr0] tag#0 CDB: Write(10) 2a 00 00 07 62 40 00 00 40 00 critical target error, dev sr0, sector 1935616 op 0x1:(WRITE) flags 0x4000 phys_seg 32 prio class 2 critical target error, dev sr0, sector 1935872 op 0x1:(WRITE) flags 0x4000 phys_seg 32 prio class 2 INFO: task syz-executor.3:5881 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.3 state:D stack:30424 pid:5881 tgid:5835 ppid:287 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: 0033:0x7f041d132b19 RSP: 002b:00007f041a666188 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007f041d2460e0 RCX: 00007f041d132b19 RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003 RBP: 00007f041d18cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 1000000000000105 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd27beaaaf R14: 00007f041a666300 R15: 0000000000022000 INFO: task syz-executor.3:5881 blocked on an rw-semaphore likely owned by task syz-executor.3:5839 task:syz-executor.3 state:D stack:26568 pid:5839 tgid:5835 ppid:287 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: 0033:0x7f041d132b19 RSP: 002b:00007f041a6a8188 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007f041d245f60 RCX: 00007f041d132b19 RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003 RBP: 00007f041d18cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 1000000000000105 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd27beaaaf R14: 00007f041a6a8300 R15: 0000000000022000 INFO: task syz-executor.4:5877 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.4 state:D stack:27184 pid:5877 tgid:5875 ppid:5117 task_flags:0x440140 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 page_cache_ra_unbounded+0x1a0/0x870 page_cache_ra_order+0x41f/0x510 filemap_fault+0x1831/0x2ca0 __do_fault+0x10d/0x480 __handle_mm_fault+0x1abe/0x3270 handle_mm_fault+0x2c3/0x9b0 __get_user_pages+0x58a/0x3070 faultin_page_range+0x2f3/0x9d0 madvise_do_behavior+0x8d8/0xe20 do_madvise+0x16b/0x240 __x64_sys_madvise+0xa9/0x110 do_syscall_64+0xbf/0x390 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f14631c2b19 RSP: 002b:00007f1460738188 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 00007f14632d5f60 RCX: 00007f14631c2b19 RDX: 0000000000000017 RSI: 0000000000003000 RDI: 0000000020ffb000 RBP: 00007f146321cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe6ba582bf R14: 00007f1460738300 R15: 0000000000022000 INFO: task syz-executor.4:5877 blocked on an rw-semaphore likely owned by task syz-executor.3:5839 task:syz-executor.3 state:D stack:26568 pid:5839 tgid:5835 ppid:287 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: 0033:0x7f041d132b19 RSP: 002b:00007f041a6a8188 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007f041d245f60 RCX: 00007f041d132b19 RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003 RBP: 00007f041d18cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 1000000000000105 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd27beaaaf R14: 00007f041a6a8300 R15: 0000000000022000 INFO: task syz-executor.4:5891 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.4 state:D stack:28856 pid:5891 tgid:5875 ppid:5117 task_flags:0x440040 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 page_cache_ra_unbounded+0x1a0/0x870 page_cache_ra_order+0x41f/0x510 filemap_fault+0x1831/0x2ca0 __do_fault+0x10d/0x480 __handle_mm_fault+0x1abe/0x3270 handle_mm_fault+0x2c3/0x9b0 __get_user_pages+0x58a/0x3070 faultin_page_range+0x2f3/0x9d0 madvise_do_behavior+0x8d8/0xe20 do_madvise+0x16b/0x240 __x64_sys_madvise+0xa9/0x110 do_syscall_64+0xbf/0x390 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f14631c2b19 RSP: 002b:00007f14606f6188 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 00007f14632d60e0 RCX: 00007f14631c2b19 RDX: 0000000000000017 RSI: 0000000000003000 RDI: 0000000020ffb000 RBP: 00007f146321cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe6ba582bf R14: 00007f14606f6300 R15: 0000000000022000 INFO: task syz-executor.4:5891 blocked on an rw-semaphore likely owned by task syz-executor.3:5839 task:syz-executor.3 state:D stack:26568 pid:5839 tgid:5835 ppid:287 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: 0033:0x7f041d132b19 RSP: 002b:00007f041a6a8188 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007f041d245f60 RCX: 00007f041d132b19 RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000003 RBP: 00007f041d18cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 1000000000000105 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd27beaaaf R14: 00007f041a6a8300 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/174: 2 locks held by syz-executor.3/5839: #0: ffff888009057818 (&sb->s_type->i_mutex_key#6){++++}-{4:4}, at: blkdev_fallocate+0x248/0x450 #1: ffff8880090579b8 (mapping.invalidate_lock){++++}-{4:4}, at: blkdev_fallocate+0x279/0x450 1 lock held by syz-executor.3/5881: #0: ffff888009057818 (&sb->s_type->i_mutex_key#6){++++}-{4:4}, at: blkdev_fallocate+0x248/0x450 1 lock held by syz-executor.4/5877: #0: ffff8880090579b8 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_unbounded+0x1a0/0x870 1 lock held by syz-executor.4/5891: #0: ffff8880090579b8 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_unbounded+0x1a0/0x870 ============================================= scsi_io_completion_action: 205 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 95 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 96 00 00 00 40 00 blk_print_req_error: 205 callbacks suppressed critical target error, dev sr0, sector 1988608 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 96 40 00 00 40 00 critical target error, dev sr0, sector 1988864 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 96 80 00 00 40 00 critical target error, dev sr0, sector 1989120 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 96 c0 00 00 40 00 critical target error, dev sr0, sector 1989376 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 97 00 00 00 40 00 critical target error, dev sr0, sector 1989632 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 97 40 00 00 40 00 critical target error, dev sr0, sector 1989888 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 97 80 00 00 40 00 critical target error, dev sr0, sector 1990144 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 97 c0 00 00 40 00 critical target error, dev sr0, sector 1990400 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 98 00 00 00 40 00 critical target error, dev sr0, sector 1990656 op 0x1:(WRITE) flags 0x4000 phys_seg 32 prio class 2 critical target error, dev sr0, sector 1990912 op 0x1:(WRITE) flags 0x4000 phys_seg 32 prio class 2 scsi_io_completion_action: 249 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 d6 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 d6 c0 00 00 40 00 blk_print_req_error: 249 callbacks suppressed critical target error, dev sr0, sector 2054912 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 d7 00 00 00 40 00 critical target error, dev sr0, sector 2055168 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 d7 40 00 00 40 00 critical target error, dev sr0, sector 2055424 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 d7 80 00 00 40 00 critical target error, dev sr0, sector 2055680 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 d7 c0 00 00 40 00 critical target error, dev sr0, sector 2055936 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 d8 00 00 00 40 00 critical target error, dev sr0, sector 2056192 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 d8 40 00 00 40 00 critical target error, dev sr0, sector 2056448 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 d8 80 00 00 40 00 critical target error, dev sr0, sector 2056704 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 d8 c0 00 00 40 00 critical target error, dev sr0, sector 2056960 op 0x1:(WRITE) flags 0x4000 phys_seg 32 prio class 2 critical target error, dev sr0, sector 2057216 op 0x1:(WRITE) flags 0x4000 phys_seg 32 prio class 2