BUG: unable to handle page fault for address: ffffc90009722330
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 11800067 
P4D 11800067 
PUD 119fb067 
PMD 149821067 PTE 0

Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 3664 Comm: kworker/1:3 Not tainted 6.0.0-rc1-syzkaller-00160-g4c2d0b039c5c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: events nsim_dev_trap_report_work

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+0x2ab/0x840 arch/x86/kvm/x86.c:11847
Code: 48 89 e8 48 b9 00 00 00 00 00 fc ff df 48 c1 e8 03 0f b6 14 08 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 ed 04 00 00 <41> 8b 95 30 13 00 00 4d 8d b5 40 12 00 00 b9 08 00 00 00 4c 89 fe
RSP: 0018:ffffc900003f8ea0 EFLAGS: 00010082

RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81121000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc90009722330
RBP: ffffc90009722330 R08: 0000000000000000 R09: 0000000000000003
R10: fffff520012e4466 R11: 0000000000000001 R12: 0000000000000000
R13: ffffc90009721000 R14: 0023001000000000 R15: ffffc900003f8ef8
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90009722330 CR3: 0000000054f5b000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 hardware_enable_nolock+0xa7/0x140 arch/x86/kvm/../../../virt/kvm/kvm_main.c:5007
 __flush_smp_call_function_queue+0x205/0x9a0 kernel/smp.c:631
 __sysvec_call_function_single+0x95/0x3d0 arch/x86/kernel/smp.c:248
 sysvec_call_function_single+0x8e/0xc0 arch/x86/kernel/smp.c:243
 </IRQ>
 <TASK>
 asm_sysvec_call_function_single+0x16/0x20 arch/x86/include/asm/idtentry.h:657
RIP: 0010:__unwind_start+0xf/0x800 arch/x86/kernel/unwind_orc.c:639
Code: 0c 24 e9 e5 eb ff ff e8 5f c7 90 00 e9 9d eb ff ff 66 2e 0f 1f 84 00 00 00 00 00 41 57 49 89 ff 41 56 41 55 4d 8d 6f 28 41 54 <49> 89 d4 ba 60 00 00 00 55 48 89 f5 31 f6 53 48 89 cb 48 83 ec 18
RSP: 0018:ffffc900033c7830 EFLAGS: 00000246

RAX: ffff88804eb221c0 RBX: ffffffff8169fac0 RCX: ffffc900033c78e0
RDX: 0000000000000000 RSI: ffff88804eb221c0 RDI: ffffc900033c7858
RBP: ffffc900033c78e0 R08: 0000000000000001 R09: ffffed100ba2bb28
R10: 0000000000000001 R11: 000000000008c07c R12: ffffc900033c7910
R13: ffffc900033c7880 R14: ffff88804eb221c0 R15: ffffc900033c7858
 unwind_start arch/x86/include/asm/unwind.h:64 [inline]
 arch_stack_walk+0x5c/0xe0 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122
 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:437 [inline]
 __kasan_slab_alloc+0x85/0xb0 mm/kasan/common.c:470
 kasan_slab_alloc include/linux/kasan.h:224 [inline]
 slab_post_alloc_hook mm/slab.h:727 [inline]
 slab_alloc_node mm/slab.c:3232 [inline]
 kmem_cache_alloc_node+0x2f1/0x560 mm/slab.c:3583
 __alloc_skb+0x210/0x2f0 net/core/skbuff.c:418
 alloc_skb include/linux/skbuff.h:1257 [inline]
 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:742 [inline]
 nsim_dev_trap_report drivers/net/netdevsim/dev.c:799 [inline]
 nsim_dev_trap_report_work+0x2ad/0xc50 drivers/net/netdevsim/dev.c:844
 process_one_work+0x991/0x1610 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
Modules linked in:
CR2: ffffc90009722330
---[ 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+0x2ab/0x840 arch/x86/kvm/x86.c:11847
Code: 48 89 e8 48 b9 00 00 00 00 00 fc ff df 48 c1 e8 03 0f b6 14 08 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 ed 04 00 00 <41> 8b 95 30 13 00 00 4d 8d b5 40 12 00 00 b9 08 00 00 00 4c 89 fe
RSP: 0018:ffffc900003f8ea0 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81121000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc90009722330
RBP: ffffc90009722330 R08: 0000000000000000 R09: 0000000000000003
R10: fffff520012e4466 R11: 0000000000000001 R12: 0000000000000000
R13: ffffc90009721000 R14: 0023001000000000 R15: ffffc900003f8ef8
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90009722330 CR3: 0000000054f5b000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	48 89 e8             	mov    %rbp,%rax
   3:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
   a:	fc ff df
   d:	48 c1 e8 03          	shr    $0x3,%rax
  11:	0f b6 14 08          	movzbl (%rax,%rcx,1),%edx
  15:	48 89 e8             	mov    %rbp,%rax
  18:	83 e0 07             	and    $0x7,%eax
  1b:	83 c0 03             	add    $0x3,%eax
  1e:	38 d0                	cmp    %dl,%al
  20:	7c 08                	jl     0x2a
  22:	84 d2                	test   %dl,%dl
  24:	0f 85 ed 04 00 00    	jne    0x517
* 2a:	41 8b 95 30 13 00 00 	mov    0x1330(%r13),%edx <-- trapping instruction
  31:	4d 8d b5 40 12 00 00 	lea    0x1240(%r13),%r14
  38:	b9 08 00 00 00       	mov    $0x8,%ecx
  3d:	4c 89 fe             	mov    %r15,%rsi