BUG: unable to handle page fault for address: ffffc90004bda330
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 12000067 
P4D 12000067 
PUD 121c9067 
PMD 1cf94067 
PTE 0

Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 1090 Comm: kworker/u4:5 Not tainted 5.19.0-syzkaller-13930-g7ebfc85e2cd7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: bat_events batadv_nc_worker

RIP: 0010:arch_atomic_read arch/x86/include/asm/atomic.h:29 [inline]
RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:28 [inline]
RIP: 0010:kvm_arch_hardware_enable+0x1d1/0x6d0 arch/x86/kvm/x86.c:11847
Code: 89 5c 24 38 4c 8d 73 f0 4c 89 f7 be 04 00 00 00 e8 a4 44 cc 00 4d 89 f5 49 c1 ed 03 43 0f b6 44 3d 00 84 c0 0f 85 08 02 00 00 <41> 8b 06 ff c8 48 63 d0 4c 89 64 24 10 4c 89 e7 48 8d 74 24 60 b9
RSP: 0018:ffffc900001e0e60 EFLAGS: 00010086

RAX: 0000000000000000 RBX: ffffc90004bda340 RCX: ffffffff8110f0c2
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc90004bda330
RBP: ffffc900001e0f30 R08: dffffc0000000000 R09: fffff5200097b466
R10: fffff5200097b467 R11: 1ffff9200097b466 R12: ffffc90004bda240
R13: 1ffff9200097b466 R14: ffffc90004bda330 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90004bda330 CR3: 0000000022764000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 hardware_enable_nolock+0xa1/0x140 arch/x86/kvm/../../../virt/kvm/kvm_main.c:5007
 __flush_smp_call_function_queue+0x2bc/0xcc0 kernel/smp.c:631
 __sysvec_call_function_single+0x62/0x70 arch/x86/kernel/smp.c:248
 sysvec_call_function_single+0x8c/0xb0 arch/x86/kernel/smp.c:243
 </IRQ>
 <TASK>
 asm_sysvec_call_function_single+0x16/0x20
RIP: 0010:__preempt_count_add kernel/rcu/tree.c:714 [inline]
RIP: 0010:rcu_is_watching+0x4/0xb0 kernel/rcu/tree.c:717
Code: e9 6c ff ff ff 48 c7 c7 80 70 d2 8c 4c 89 e6 e8 12 bf f3 02 e9 2a ff ff ff e8 18 af c5 08 0f 1f 84 00 00 00 00 00 41 57 41 56 <53> 65 ff 05 4c eb 8f 7e e8 af c5 c5 08 89 c3 83 f8 08 73 75 49 bf
RSP: 0018:ffffc9000427f908 EFLAGS: 00000246

RAX: 0000000000000001 RBX: 1ffff9200084ff24 RCX: ffff88801f829d80
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8e256728
RBP: ffffc9000427f9a8 R08: dffffc0000000000 R09: fffffbfff1c4ace6
R10: fffffbfff1c4ace6 R11: 1ffffffff1c4ace5 R12: dffffc0000000000
R13: ffffffff8a137faf R14: dffffc0000000000 R15: 0000000000000000
 rcu_read_lock_held_common kernel/rcu/update.c:108 [inline]
 rcu_read_lock_sched_held+0x6b/0x130 kernel/rcu/update.c:123
 trace_lock_release+0x7b/0x1a0 include/trace/events/lock.h:69
 lock_release+0x81/0x870 kernel/locking/lockdep.c:5677
 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:165 [inline]
 _raw_spin_unlock_bh+0x17/0x30 kernel/locking/spinlock.c:210
 spin_unlock_bh include/linux/spinlock.h:394 [inline]
 batadv_nc_purge_paths+0x35f/0x3f0 net/batman-adv/network-coding.c:471
 batadv_nc_worker+0x31e/0x5b0 net/batman-adv/network-coding.c:722
 process_one_work+0x81c/0xd10 kernel/workqueue.c:2289
 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
 kthread+0x266/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30
 </TASK>
Modules linked in:
CR2: ffffc90004bda330
---[ end trace 0000000000000000 ]---
RIP: 0010:arch_atomic_read arch/x86/include/asm/atomic.h:29 [inline]
RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:28 [inline]
RIP: 0010:kvm_arch_hardware_enable+0x1d1/0x6d0 arch/x86/kvm/x86.c:11847
Code: 89 5c 24 38 4c 8d 73 f0 4c 89 f7 be 04 00 00 00 e8 a4 44 cc 00 4d 89 f5 49 c1 ed 03 43 0f b6 44 3d 00 84 c0 0f 85 08 02 00 00 <41> 8b 06 ff c8 48 63 d0 4c 89 64 24 10 4c 89 e7 48 8d 74 24 60 b9
RSP: 0018:ffffc900001e0e60 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffffc90004bda340 RCX: ffffffff8110f0c2
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc90004bda330
RBP: ffffc900001e0f30 R08: dffffc0000000000 R09: fffff5200097b466
R10: fffff5200097b467 R11: 1ffff9200097b466 R12: ffffc90004bda240
R13: 1ffff9200097b466 R14: ffffc90004bda330 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90004bda330 CR3: 0000000022764000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	89 5c 24 38          	mov    %ebx,0x38(%rsp)
   4:	4c 8d 73 f0          	lea    -0x10(%rbx),%r14
   8:	4c 89 f7             	mov    %r14,%rdi
   b:	be 04 00 00 00       	mov    $0x4,%esi
  10:	e8 a4 44 cc 00       	callq  0xcc44b9
  15:	4d 89 f5             	mov    %r14,%r13
  18:	49 c1 ed 03          	shr    $0x3,%r13
  1c:	43 0f b6 44 3d 00    	movzbl 0x0(%r13,%r15,1),%eax
  22:	84 c0                	test   %al,%al
  24:	0f 85 08 02 00 00    	jne    0x232
* 2a:	41 8b 06             	mov    (%r14),%eax <-- trapping instruction
  2d:	ff c8                	dec    %eax
  2f:	48 63 d0             	movslq %eax,%rdx
  32:	4c 89 64 24 10       	mov    %r12,0x10(%rsp)
  37:	4c 89 e7             	mov    %r12,%rdi
  3a:	48 8d 74 24 60       	lea    0x60(%rsp),%rsi
  3f:	b9                   	.byte 0xb9