general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 15686 Comm: syz-executor.2 Not tainted 5.14.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:rcu_segcblist_enqueue+0x9c/0xc0 kernel/rcu/rcu_segcblist.c:348
Code: c7 06 00 00 00 00 48 83 c3 20 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 fe b4 5d 00 4c 8b 3b 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 65 b5 5d 00 4d 89 37 4c 89 33 5b
RSP: 0018:ffffc90001dafb18 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff8880b9c000a0 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffc90001dafc40 RDI: ffff8880b9c000c8
RBP: 1ffff920002ef3e8 R08: dffffc0000000000 R09: 0000000000000003
R10: fffff520003b5f45 R11: 0000000000000004 R12: dffffc0000000000
R13: ffff8880b9c00040 R14: ffffc90001dafc40 R15: 0000000000000000
FS:  00007fd756fb0700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f520ba3f028 CR3: 0000000028969000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 srcu_gp_start_if_needed+0x15a/0x930 kernel/rcu/srcutree.c:823
 __call_srcu kernel/rcu/srcutree.c:883 [inline]
 __synchronize_srcu+0x291/0x340 kernel/rcu/srcutree.c:929
 kvm_mmu_uninit_vm+0x18/0x30 arch/x86/kvm/mmu/mmu.c:5585
 kvm_arch_destroy_vm+0x5f6/0x6b0 arch/x86/kvm/x86.c:11277
 kvm_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:1060 [inline]
 kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:4486 [inline]
 kvm_dev_ioctl+0x15aa/0x2080 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4541
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665f9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd756fb0188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665f9
RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000003
RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007fffe667eacf R14: 00007fd756fb0300 R15: 0000000000022000
Modules linked in:
---[ end trace d03c879be8dc7ab5 ]---
RIP: 0010:rcu_segcblist_enqueue+0x9c/0xc0 kernel/rcu/rcu_segcblist.c:348
Code: c7 06 00 00 00 00 48 83 c3 20 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 fe b4 5d 00 4c 8b 3b 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 65 b5 5d 00 4d 89 37 4c 89 33 5b
RSP: 0018:ffffc90001dafb18 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff8880b9c000a0 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffc90001dafc40 RDI: ffff8880b9c000c8
RBP: 1ffff920002ef3e8 R08: dffffc0000000000 R09: 0000000000000003
R10: fffff520003b5f45 R11: 0000000000000004 R12: dffffc0000000000
R13: ffff8880b9c00040 R14: ffffc90001dafc40 R15: 0000000000000000
FS:  00007fd756fb0700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f520ba3f028 CR3: 0000000028969000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	c7 06 00 00 00 00    	movl   $0x0,(%rsi)
   6:	48 83 c3 20          	add    $0x20,%rbx
   a:	48 89 d8             	mov    %rbx,%rax
   d:	48 c1 e8 03          	shr    $0x3,%rax
  11:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1)
  16:	74 08                	je     0x20
  18:	48 89 df             	mov    %rbx,%rdi
  1b:	e8 fe b4 5d 00       	callq  0x5db51e
  20:	4c 8b 3b             	mov    (%rbx),%r15
  23:	4c 89 f8             	mov    %r15,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 ff             	mov    %r15,%rdi
  34:	e8 65 b5 5d 00       	callq  0x5db59e
  39:	4d 89 37             	mov    %r14,(%r15)
  3c:	4c 89 33             	mov    %r14,(%rbx)
  3f:	5b                   	pop    %rbx