Oops: general protection fault, probably for non-canonical address 0xdffffbff93708430: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 5335 Comm: syz.2.3 Not tainted 6.11.0-rc5-next-20240827-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:insn_get_length arch/x86/lib/insn.c:728 [inline]
RIP: 0010:insn_decode+0x32d/0x4c0 arch/x86/lib/insn.c:762
Code: ba 00 00 00 00 00 fc ff df 41 80 3c 17 00 74 12 48 89 df e8 f5 ef 3f f6 48 ba 00 00 00 00 00 fc ff df 48 8b 1b 48 8b 44 24 08 <80> 3c 10 00 48 8b 6c 24 10 74 12 48 89 ef e8 d0 ef 3f f6 48 ba 00
RSP: 0018:ffffc90004526a80 EFLAGS: 00010046
RAX: ffffffff93708430 RBX: ffffc90004526ba3 RCX: ffff888024f9da00
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8bbcf591 R09: ffffffff8bbcc747
R10: 0000000000000002 R11: ffff888024f9da00 R12: 1ffff920008a4d64
R13: ffffc90004526ad0 R14: ffffc90004526b22 R15: 1ffff920008a4d67
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020048000 CR3: 000000006233e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 get_kernel_gp_address arch/x86/kernel/traps.c:558 [inline]
 __exc_general_protection arch/x86/kernel/traps.c:733 [inline]
 exc_general_protection+0x454/0x5d0 arch/x86/kernel/traps.c:693
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:insn_get_length arch/x86/lib/insn.c:728 [inline]
RIP: 0010:insn_decode+0x32d/0x4c0 arch/x86/lib/insn.c:762
Code: ba 00 00 00 00 00 fc ff df 41 80 3c 17 00 74 12 48 89 df e8 f5 ef 3f f6 48 ba 00 00 00 00 00 fc ff df 48 8b 1b 48 8b 44 24 08 <80> 3c 10 00 48 8b 6c 24 10 74 12 48 89 ef e8 d0 ef 3f f6 48 ba 00
RSP: 0018:ffffc90004526a80 EFLAGS: 00010046
RAX: ffffffff93708430 RBX: ffffc90004526ba3 RCX: ffff888024f9da00
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8bbcf591 R09: ffffffff8bbcc747
R10: 0000000000000002 R11: ffff888024f9da00 R12: 1ffff920008a4d64
R13: ffffc90004526ad0 R14: ffffc90004526b22 R15: 1ffff920008a4d67
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020048000 CR3: 000000006233e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	ba 00 00 00 00       	mov    $0x0,%edx
   5:	00 fc                	add    %bh,%ah
   7:	ff                   	(bad)
   8:	df 41 80             	filds  -0x80(%rcx)
   b:	3c 17                	cmp    $0x17,%al
   d:	00 74 12 48          	add    %dh,0x48(%rdx,%rdx,1)
  11:	89 df                	mov    %ebx,%edi
  13:	e8 f5 ef 3f f6       	call   0xf63ff00d
  18:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
  1f:	fc ff df
  22:	48 8b 1b             	mov    (%rbx),%rbx
  25:	48 8b 44 24 08       	mov    0x8(%rsp),%rax
* 2a:	80 3c 10 00          	cmpb   $0x0,(%rax,%rdx,1) <-- trapping instruction
  2e:	48 8b 6c 24 10       	mov    0x10(%rsp),%rbp
  33:	74 12                	je     0x47
  35:	48 89 ef             	mov    %rbp,%rdi
  38:	e8 d0 ef 3f f6       	call   0xf63ff00d
  3d:	48                   	rex.W
  3e:	ba                   	.byte 0xba