blk-mq: failed to allocate request map
general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
CPU: 0 PID: 4386 Comm: syz.3.13 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:queue_is_mq include/linux/blkdev.h:633 [inline]
RIP: 0010:blk_mq_destroy_queue+0x70/0x230 block/blk-mq.c:4186
Code: 10 a5 fc 83 49 89 e5 49 c1 ed 03 48 b8 f1 f1 f1 f1 f8 f3 f3 f3 4b 89 44 3d 00 e8 ab 88 85 fd 4c 8d 73 30 4d 89 f4 49 c1 ec 03 <43> 80 3c 3c 00 74 08 4c 89 f7 e8 51 b5 d6 fd 49 83 3e 00 0f 84 88
RSP: 0018:ffffc900044a76c0 EFLAGS: 00010206
RAX: ffffffff83fca575 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000c879000 RSI: 0000000000022c24 RDI: 0000000000022c25
RBP: ffffc900044a7760 R08: ffff88807adc55cf R09: 1ffff1100f5b8ab9
R10: dffffc0000000000 R11: ffffed100f5b8aba R12: 0000000000000006
R13: 1ffff92000894ed8 R14: 0000000000000030 R15: dffffc0000000000
FS:  00007f0c0ec276c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000004000 CR3: 00000000799f9000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 nvme_remove_admin_tag_set+0x40/0x120 drivers/nvme/host/core.c:5052
 nvme_fc_ctrl_free drivers/nvme/host/fc.c:2390 [inline]
 kref_put include/linux/kref.h:65 [inline]
 nvme_fc_ctrl_put+0x214/0x320 drivers/nvme/host/fc.c:2406
 nvme_free_ctrl+0x340/0x510 drivers/nvme/host/core.c:5213
 device_release+0x92/0x1c0 drivers/base/core.c:-1
 kobject_cleanup lib/kobject.c:681 [inline]
 kobject_release lib/kobject.c:712 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x217/0x450 lib/kobject.c:729
 nvme_put_ctrl drivers/nvme/host/nvme.h:718 [inline]
 nvme_fc_init_ctrl+0xdbf/0x1320 drivers/nvme/host/fc.c:3572
 nvme_fc_create_ctrl+0x4cb/0x510 drivers/nvme/host/fc.c:3702
 nvmf_create_ctrl drivers/nvme/host/fabrics.c:1118 [inline]
 nvmf_dev_write+0x20a0/0x2800 drivers/nvme/host/fabrics.c:1162
 vfs_write+0x2dc/0x9a0 fs/read_write.c:582
 ksys_write+0x14d/0x260 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f0c0dd9e0d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0c0ec27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f0c0e025fa0 RCX: 00007f0c0dd9e0d9
RDX: 00000000000000a1 RSI: 0000200000000a00 RDI: 0000000000000005
RBP: 00007f0c0de35024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0c0e026038 R14: 00007f0c0e025fa0 R15: 00007fff5c7ba2f8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:queue_is_mq include/linux/blkdev.h:633 [inline]
RIP: 0010:blk_mq_destroy_queue+0x70/0x230 block/blk-mq.c:4186
Code: 10 a5 fc 83 49 89 e5 49 c1 ed 03 48 b8 f1 f1 f1 f1 f8 f3 f3 f3 4b 89 44 3d 00 e8 ab 88 85 fd 4c 8d 73 30 4d 89 f4 49 c1 ec 03 <43> 80 3c 3c 00 74 08 4c 89 f7 e8 51 b5 d6 fd 49 83 3e 00 0f 84 88
RSP: 0018:ffffc900044a76c0 EFLAGS: 00010206
RAX: ffffffff83fca575 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000c879000 RSI: 0000000000022c24 RDI: 0000000000022c25
RBP: ffffc900044a7760 R08: ffff88807adc55cf R09: 1ffff1100f5b8ab9
R10: dffffc0000000000 R11: ffffed100f5b8aba R12: 0000000000000006
R13: 1ffff92000894ed8 R14: 0000000000000030 R15: dffffc0000000000
FS:  00007f0c0ec276c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb723baed40 CR3: 00000000799f9000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	10 a5 fc 83 49 89    	adc    %ah,-0x76b67c04(%rbp)
   6:	e5 49                	in     $0x49,%eax
   8:	c1 ed 03             	shr    $0x3,%ebp
   b:	48 b8 f1 f1 f1 f1 f8 	movabs $0xf3f3f3f8f1f1f1f1,%rax
  12:	f3 f3 f3
  15:	4b 89 44 3d 00       	mov    %rax,0x0(%r13,%r15,1)
  1a:	e8 ab 88 85 fd       	call   0xfd8588ca
  1f:	4c 8d 73 30          	lea    0x30(%rbx),%r14
  23:	4d 89 f4             	mov    %r14,%r12
  26:	49 c1 ec 03          	shr    $0x3,%r12
* 2a:	43 80 3c 3c 00       	cmpb   $0x0,(%r12,%r15,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 f7             	mov    %r14,%rdi
  34:	e8 51 b5 d6 fd       	call   0xfdd6b58a
  39:	49 83 3e 00          	cmpq   $0x0,(%r14)
  3d:	0f                   	.byte 0xf
  3e:	84                   	.byte 0x84
  3f:	88                   	.byte 0x88