general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 PID: 4123 Comm: syz-executor.0 Not tainted 5.9.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:qp_release_pages+0x70/0x310
Code: 2b 02 00 00 e8 91 e1 de fc 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 0f 85 4f 02 00 00 49 8b 1c 24 48 8d 7b 08 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 0f 85 5c 02 00 00 48 8b 43 08 31 ff 48 89 c5 48 89
RSP: 0018:ffffc90001727940 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff8495373f
RDX: ffff8881dffe6080 RSI: ffffffff8495360f RDI: 0000000000000008
RBP: fffffffffffffff2 R08: 0000000000000001 R09: ffff8881dfbe96bf
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881e87914d0
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f7a4a28a6c0(0000) GS:ffff8881f6000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7a4af6fee8 CR3: 00000001e0357004 CR4: 00000000003706f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 qp_host_get_user_memory+0x23c/0x3d0
 qp_broker_alloc+0x1016/0x1be0
 vmci_qp_broker_alloc+0x46/0x60
 vmci_host_do_alloc_queuepair.constprop.0+0x2ea/0x3e0
 vmci_host_unlocked_ioctl+0x114b/0x1e10
 __x64_sys_ioctl+0x185/0x210
 do_syscall_64+0x2d/0x70
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f7a4af09f69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7a4a28a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f7a4b037f80 RCX: 00007f7a4af09f69
RDX: 0000000020000100 RSI: 00000000000007a8 RDI: 0000000000000003
RBP: 00007f7a4af564a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7a4b037f80 R15: 00007ffc581a1758
Modules linked in:
---[ end trace b6e930fa5fc988e3 ]---
RIP: 0010:qp_release_pages+0x70/0x310
Code: 2b 02 00 00 e8 91 e1 de fc 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 0f 85 4f 02 00 00 49 8b 1c 24 48 8d 7b 08 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 0f 85 5c 02 00 00 48 8b 43 08 31 ff 48 89 c5 48 89
RSP: 0018:ffffc90001727940 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff8495373f
RDX: ffff8881dffe6080 RSI: ffffffff8495360f RDI: 0000000000000008
RBP: fffffffffffffff2 R08: 0000000000000001 R09: ffff8881dfbe96bf
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881e87914d0
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f7a4a28a6c0(0000) GS:ffff8881f6100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559ec2c60000 CR3: 00000001e0357005 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	2b 02                	sub    (%rdx),%eax
   2:	00 00                	add    %al,(%rax)
   4:	e8 91 e1 de fc       	call   0xfcdee19a
   9:	4c 89 e0             	mov    %r12,%rax
   c:	48 c1 e8 03          	shr    $0x3,%rax
  10:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  15:	0f 85 4f 02 00 00    	jne    0x26a
  1b:	49 8b 1c 24          	mov    (%r12),%rbx
  1f:	48 8d 7b 08          	lea    0x8(%rbx),%rdi
  23:	48 89 f8             	mov    %rdi,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1) <-- trapping instruction
  2f:	0f 85 5c 02 00 00    	jne    0x291
  35:	48 8b 43 08          	mov    0x8(%rbx),%rax
  39:	31 ff                	xor    %edi,%edi
  3b:	48 89 c5             	mov    %rax,%rbp
  3e:	48                   	rex.W
  3f:	89                   	.byte 0x89
