BUG: unable to handle page fault for address: fffffbfff40802c8
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 23ffe4067 P4D 23ffe4067 PUD 23ffe3067 PMD 16773067 PTE 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 25876 Comm: kworker/0:9 Not tainted 5.19.0-rc4-syzkaller-00772-g8e60a041e478 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
Workqueue: events bpf_prog_free_deferred
RIP: 0010:bpf_jit_binary_pack_free kernel/bpf/core.c:1170 [inline]
RIP: 0010:bpf_jit_free+0x106/0x2b0 kernel/bpf/core.c:1201
Code: e0 ac f2 ff 45 84 ed 0f 84 fe 00 00 00 e8 d2 b0 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 b3 ef ff
RSP: 0018:ffffc9000aecfc88 EFLAGS: 00010a02
RAX: dffffc0000000000 RBX: ffffffffa0401640 RCX: 0000000000000000
RDX: 1ffffffff40802c8 RSI: ffffffff8187ba7e RDI: ffffffffa0401640
RBP: ffffc9000557f000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffffc9000557f038
R13: 0000000000000001 R14: ffffed10091e4122 R15: ffff88807a8dc800
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbfff40802c8 CR3: 000000001d314000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bpf_prog_free_deferred+0x4e5/0x790 kernel/bpf/core.c:2589
 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:302
 </TASK>
Modules linked in:
CR2: fffffbfff40802c8
---[ end trace 0000000000000000 ]---
RIP: 0010:bpf_jit_binary_pack_free kernel/bpf/core.c:1170 [inline]
RIP: 0010:bpf_jit_free+0x106/0x2b0 kernel/bpf/core.c:1201
Code: e0 ac f2 ff 45 84 ed 0f 84 fe 00 00 00 e8 d2 b0 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 b3 ef ff
RSP: 0018:ffffc9000aecfc88 EFLAGS: 00010a02
RAX: dffffc0000000000 RBX: ffffffffa0401640 RCX: 0000000000000000
RDX: 1ffffffff40802c8 RSI: ffffffff8187ba7e RDI: ffffffffa0401640
RBP: ffffc9000557f000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffffc9000557f038
R13: 0000000000000001 R14: ffffed10091e4122 R15: ffff88807a8dc800
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbfff40802c8 CR3: 000000001d314000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	e0 ac                	loopne 0xffffffae
   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 d2 b0 f2 ff       	callq  0xfff2b0e4
  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:	b3 ef                	mov    $0xef,%bl
  3f:	ff                   	.byte 0xff