BUG: unable to handle page fault for address: fffffbfff40802d0
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 23ffe4067 P4D 23ffe4067 PUD 23ffe3067 PMD 15cb0067 PTE 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 3686 Comm: kworker/0:8 Not tainted 5.18.0-rc3-syzkaller-01617-g7aa424e02a04 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events bpf_prog_free_deferred
RIP: 0010:bpf_jit_binary_pack_free kernel/bpf/core.c:1165 [inline]
RIP: 0010:bpf_jit_free+0x106/0x2b0 kernel/bpf/core.c:1196
Code: d0 ec f2 ff 45 84 ed 0f 84 fe 00 00 00 e8 e2 e8 f2 ff 48 83 e3 c0 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 89 df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 5c 01 00 00 8b 1f e8 43 b2 ff
RSP: 0018:ffffc9000348fc88 EFLAGS: 00010a02
RAX: dffffc0000000000 RBX: ffffffffa0401680 RCX: 0000000000000000
RDX: 1ffffffff40802d0 RSI: ffffffff8186447e RDI: ffffffffa0401680
RBP: ffffc9000c249000 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff81864470 R11: 0000000000000000 R12: ffffc9000c249038
R13: 0000000000000001 R14: ffff88807a4de000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbfff40802d0 CR3: 0000000063646000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bpf_prog_free_deferred+0x5c1/0x790 kernel/bpf/core.c:2579
 process_one_work+0x996/0x1610 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e9/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>
Modules linked in:
CR2: fffffbfff40802d0
---[ end trace 0000000000000000 ]---
RIP: 0010:bpf_jit_binary_pack_free kernel/bpf/core.c:1165 [inline]
RIP: 0010:bpf_jit_free+0x106/0x2b0 kernel/bpf/core.c:1196
Code: d0 ec f2 ff 45 84 ed 0f 84 fe 00 00 00 e8 e2 e8 f2 ff 48 83 e3 c0 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 89 df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 5c 01 00 00 8b 1f e8 43 b2 ff
RSP: 0018:ffffc9000348fc88 EFLAGS: 00010a02
RAX: dffffc0000000000 RBX: ffffffffa0401680 RCX: 0000000000000000
RDX: 1ffffffff40802d0 RSI: ffffffff8186447e RDI: ffffffffa0401680
RBP: ffffc9000c249000 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff81864470 R11: 0000000000000000 R12: ffffc9000c249038
R13: 0000000000000001 R14: ffff88807a4de000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbfff40802d0 CR3: 0000000063646000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	d0 ec                	shr    %ah
   2:	f2 ff 45 84          	repnz incl -0x7c(%rbp)
   6:	ed                   	in     (%dx),%eax
   7:	0f 84 fe 00 00 00    	je     0x10b
   d:	e8 e2 e8 f2 ff       	callq  0xfff2e8f4
  12:	48 83 e3 c0          	and    $0xffffffffffffffc0,%rbx
  16:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  1d:	fc ff df
  20:	48 89 da             	mov    %rbx,%rdx
  23:	48 89 df             	mov    %rbx,%rdi
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	0f b6 04 02          	movzbl (%rdx,%rax,1),%eax <-- trapping instruction
  2e:	84 c0                	test   %al,%al
  30:	74 08                	je     0x3a
  32:	3c 03                	cmp    $0x3,%al
  34:	0f 8e 5c 01 00 00    	jle    0x196
  3a:	8b 1f                	mov    (%rdi),%ebx
  3c:	e8                   	.byte 0xe8
  3d:	43 b2 ff             	rex.XB mov $0xff,%r10b