blkdev_ioctl+0x27c/0x6c0
 __x64_sys_ioctl+0x18f/0x210
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
loop7: detected capacity change from 0 to 264192
Oops: general protection fault, probably for non-canonical address 0xfe001bea7e001fed: 0000 [#1] SMP KASAN NOPTI
KASAN: maybe wild-memory-access in range [0xf000ff53f000ff68-0xf000ff53f000ff6f]
CPU: 1 UID: 0 PID: 135 Comm: kworker/1:2H Tainted: G        W           6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) 
Tainted: [W]=WARN
loop7: detected capacity change from 0 to 264192
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: kblockd blk_mq_requeue_work
RIP: 0010:kasan_byte_accessible+0x15/0x30
Code: 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 b8 00 00 00 00 00 fc ff df 48 c1 ef 03 48 01 c7 <0f> b6 07 3c 07 0f 96 c0 e9 7e 15 0e 03 66 66 2e 0f 1f 84 00 00 00
RSP: 0018:ffff888017187650 EFLAGS: 00010086
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff84bddf4b RDI: fe001bea7e001fed
RBP: f000ff53f000ff6b R08: 0000000000000001 R09: 0000000000000000
R10: ffff888008cd6003 R11: 0000000000000001 R12: 0000000000000000
R13: ffffffff84bddf4b R14: 0000000000000000 R15: ffff88801d02d000
FS:  0000000000000000(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd618dcff8 CR3: 000000003ece9000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 __kasan_check_byte+0x14/0x50
 lock_acquire+0xec/0x2f0
 _raw_spin_lock+0x2b/0x40
 __queue_work+0xb6e/0x1240
 queue_work_on+0xd0/0xe0
 loop_queue_rq+0x5c8/0x1180
 blk_mq_dispatch_rq_list+0x3ad/0x1a90
 __blk_mq_sched_dispatch_requests+0x212/0x13d0
 blk_mq_sched_dispatch_requests+0xd7/0x1b0
 blk_mq_run_hw_queue+0x3bd/0x640
 blk_mq_run_hw_queues+0x111/0x430
 blk_mq_requeue_work+0x4ef/0x820
 process_one_work+0x8e1/0x19c0
 worker_thread+0x67e/0xe90
 kthread+0x3c8/0x740
 ret_from_fork+0x34b/0x430
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:kasan_byte_accessible+0x15/0x30
Code: 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 b8 00 00 00 00 00 fc ff df 48 c1 ef 03 48 01 c7 <0f> b6 07 3c 07 0f 96 c0 e9 7e 15 0e 03 66 66 2e 0f 1f 84 00 00 00
RSP: 0018:ffff888017187650 EFLAGS: 00010086
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff84bddf4b RDI: fe001bea7e001fed
RBP: f000ff53f000ff6b R08: 0000000000000001 R09: 0000000000000000
R10: ffff888008cd6003 R11: 0000000000000001 R12: 0000000000000000
R13: ffffffff84bddf4b R14: 0000000000000000 R15: ffff88801d02d000
FS:  0000000000000000(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd618dcff8 CR3: 000000003ece9000 CR4: 0000000000350ef0
note: kworker/1:2H[135] exited with irqs disabled
note: kworker/1:2H[135] exited with preempt_count 2
BUG: sleeping function called from invalid context at ./include/linux/percpu-rwsem.h:51
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 135, name: kworker/1:2H
preempt_count: 0, expected: 0
RCU nest depth: 2, expected: 0
INFO: lockdep is turned off.
CPU: 1 UID: 0 PID: 135 Comm: kworker/1:2H Tainted: G      D W           6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) 
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: kblockd blk_mq_requeue_work
Call Trace:
 <TASK>
 dump_stack_lvl+0xfa/0x120
 __might_resched+0x2f3/0x510
 exit_signals+0x25/0x940
 do_exit+0x2db/0x2970
 make_task_dead+0x174/0x3b0
 rewind_stack_and_make_dead+0x16/0x20
RIP: 0000:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
msdos: Unknown parameter 'permit_directio'
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	0f 1f 00             	nopl   (%rax)
   5:	90                   	nop
   6:	90                   	nop
   7:	90                   	nop
   8:	90                   	nop
   9:	90                   	nop
   a:	90                   	nop
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	66 0f 1f 00          	nopw   (%rax)
  19:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  20:	fc ff df
  23:	48 c1 ef 03          	shr    $0x3,%rdi
  27:	48 01 c7             	add    %rax,%rdi
* 2a:	0f b6 07             	movzbl (%rdi),%eax <-- trapping instruction
  2d:	3c 07                	cmp    $0x7,%al
  2f:	0f 96 c0             	setbe  %al
  32:	e9 7e 15 0e 03       	jmpq   0x30e15b5
  37:	66                   	data16
  38:	66                   	data16
  39:	2e                   	cs
  3a:	0f                   	.byte 0xf
  3b:	1f                   	(bad)
  3c:	84 00                	test   %al,(%rax)