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 6d c0 00 00 40 00
critical target error, dev sr0, sector 1947392 op 0x1:(WRITE) flags 0x0 phys_seg 32 prio class 2
INFO: task syz-executor.4:9154 blocked for more than 143 seconds.
Not tainted 6.18.0-rc1-next-20251016 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:27272 pid:9154 tgid:9153 ppid:8656 task_flags:0x400140 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: 0033:0x7fd6e03f7b19
RSP: 002b:00007fd6dd96d188 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007fd6e050af60 RCX: 00007fd6e03f7b19
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 00007fd6e0451f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffed606353f R14: 00007fd6dd96d300 R15: 0000000000022000
INFO: task syz-executor.4:9154 blocked on an rw-semaphore likely owned by task syz-executor.2:9137
task:syz-executor.2 state:D stack:26480 pid:9137 tgid:9135 ppid:278 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: 0033:0x7f2da1d9bb19
RSP: 002b:00007f2d9f311188 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f2da1eaef60 RCX: 00007f2da1d9bb19
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 00007f2da1df5f6d R08: 0000000000000000 R09: 0000000000000000
R10: 7fffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc1456227f R14: 00007f2d9f311300 R15: 0000000000022000
INFO: task syz-executor.0:9172 blocked for more than 143 seconds.
Not tainted 6.18.0-rc1-next-20251016 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27168 pid:9172 tgid:9171 ppid:282 task_flags:0x400140 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: 0033:0x7f57fc8a3b19
RSP: 002b:00007f57f9e19188 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f57fc9b6f60 RCX: 00007f57fc8a3b19
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000005
RBP: 00007f57fc8fdf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdc4e62c4f R14: 00007f57f9e19300 R15: 0000000000022000
INFO: task syz-executor.0:9172 blocked on an rw-semaphore likely owned by task syz-executor.2:9137
task:syz-executor.2 state:D stack:26480 pid:9137 tgid:9135 ppid:278 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: 0033:0x7f2da1d9bb19
RSP: 002b:00007f2d9f311188 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f2da1eaef60 RCX: 00007f2da1d9bb19
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 00007f2da1df5f6d R08: 0000000000000000 R09: 0000000000000000
R10: 7fffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc1456227f R14: 00007f2d9f311300 R15: 0000000000022000
INFO: task syz-executor.0:9180 blocked for more than 143 seconds.
Not tainted 6.18.0-rc1-next-20251016 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27168 pid:9180 tgid:9171 ppid:282 task_flags:0x400140 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
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: 0033:0x7f57fc8a3b19
RSP: 002b:00007f57f9df8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f57fc9b7020 RCX: 00007f57fc8a3b19
RDX: 000000000000000f RSI: 00000000200001c0 RDI: 0000000000000005
RBP: 00007f57fc8fdf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdc4e62c4f R14: 00007f57f9df8300 R15: 0000000000022000
INFO: task syz-executor.0:9180 blocked on an rw-semaphore likely owned by task syz-executor.2:9137
task:syz-executor.2 state:D stack:26480 pid:9137 tgid:9135 ppid:278 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: 0033:0x7f2da1d9bb19
RSP: 002b:00007f2d9f311188 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f2da1eaef60 RCX: 00007f2da1d9bb19
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004
RBP: 00007f2da1df5f6d R08: 0000000000000000 R09: 0000000000000000
R10: 7fffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc1456227f R14: 00007f2d9f311300 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: ffff88801675feb8 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2a8/0x380
2 locks held by syz-executor.2/9137:
#0: ffff888009051e18 (&sb->s_type->i_mutex_key#6){++++}-{4:4}, at: blkdev_fallocate+0x248/0x450
#1: ffff888009051fb8 (mapping.invalidate_lock){++++}-{4:4}, at: blkdev_fallocate+0x279/0x450
1 lock held by syz-executor.4/9154:
#0: ffff888009051e18 (&sb->s_type->i_mutex_key#6){++++}-{4:4}, at: blkdev_fallocate+0x248/0x450
1 lock held by syz-executor.0/9172:
#0: ffff888009051e18 (&sb->s_type->i_mutex_key#6){++++}-{4:4}, at: blkdev_fallocate+0x248/0x450
1 lock held by syz-executor.0/9180:
#0: ffff888009051e18 (&sb->s_type->i_mutex_key#6){++++}-{4:4}, at: blkdev_write_iter+0x789/0xd00
=============================================
scsi_io_completion_action: 240 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 aa 00 00 00 40 00
blk_print_req_error: 240 callbacks suppressed
critical target error, dev sr0, sector 2009088 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 aa 40 00 00 40 00
critical target error, dev sr0, sector 2009344 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 aa 80 00 00 40 00
critical target error, dev sr0, sector 2009600 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 aa c0 00 00 40 00
critical target error, dev sr0, sector 2009856 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 ab 00 00 00 40 00
critical target error, dev sr0, sector 2010112 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 ab 40 00 00 40 00
critical target error, dev sr0, sector 2010368 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 ab 80 00 00 40 00
critical target error, dev sr0, sector 2010624 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 ab c0 00 00 40 00
critical target error, dev sr0, sector 2010880 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 ac 00 00 00 40 00
critical target error, dev sr0, sector 2011136 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 ac 40 00 00 40 00
critical target error, dev sr0, sector 2011392 op 0x1:(WRITE) flags 0x4000 phys_seg 32 prio class 2
scsi_io_completion_action: 247 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 ea 40 00 00 40 00
blk_print_req_error: 247 callbacks suppressed
critical target error, dev sr0, sector 2074880 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 ea 80 00 00 40 00
critical target error, dev sr0, sector 2075136 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 ea c0 00 00 40 00
critical target error, dev sr0, sector 2075392 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 eb 00 00 00 40 00
critical target error, dev sr0, sector 2075648 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 eb 40 00 00 40 00
critical target error, dev sr0, sector 2075904 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 eb 80 00 00 40 00
critical target error, dev sr0, sector 2076160 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 eb c0 00 00 40 00
critical target error, dev sr0, sector 2076416 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 ec 00 00 00 40 00
critical target error, dev sr0, sector 2076672 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 ec 40 00 00 40 00
critical target error, dev sr0, sector 2076928 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 ec 80 00 00 40 00
critical target error, dev sr0, sector 2077184 op 0x1:(WRITE) flags 0x4000 phys_seg 32 prio class 2
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
loop6: detected capacity change from 0 to 36
EXT4-fs (loop6): Invalid log block size: 128