Oops: general protection fault, probably for non-canonical address 0xdffffc000000000a: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000050-0x0000000000000057]
CPU: 1 UID: 0 PID: 7547 Comm: syz-executor Not tainted 6.13.0-rc3-syzkaller-00044-gaef25be35d23 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:tomoyo_init_request_info+0x6f/0x370 security/tomoyo/util.c:1028
Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 98 02 00 00 48 8d 7d 50 48 89 6b 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 06 0f 8e 5d 02 00 00 48 8d 7b 4b 44 0f b6 6d
RSP: 0018:ffffc9000bdb7b30 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffffc9000bdb7be0 RCX: 0000000000000000
RDX: 000000000000000a RSI: ffffffff8452d677 RDI: 0000000000000050
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: ffffc9000bdb7be0 R11: 0000000000000002 R12: 000000000000000a
R13: ffffc9000bdb7db8 R14: ffffc9000bdb7ba0 R15: ffffc9000bdb7bc0
FS:  0000555570c4d500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f525a83aa22 CR3: 000000007aa90000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 tomoyo_path_perm+0x192/0x480 security/tomoyo/file.c:815
 tomoyo_path_symlink+0x98/0xe0 security/tomoyo/tomoyo.c:212
 security_path_symlink+0x152/0x2e0 security/security.c:1979
 do_symlinkat+0x10e/0x310 fs/namei.c:4693
 __do_sys_symlinkat fs/namei.c:4711 [inline]
 __se_sys_symlinkat fs/namei.c:4708 [inline]
 __x64_sys_symlinkat+0x93/0xc0 fs/namei.c:4708
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f525a7852a7
Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0a 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdb2f85cd8 EFLAGS: 00000206 ORIG_RAX: 000000000000010a
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f525a7852a7
RDX: 00007f525a803230 RSI: 00000000ffffff9c RDI: 00007ffdb2f85d60
RBP: 00007ffdb2f85d0c R08: 0000000000000017 R09: 00007ffdb2f85a27
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000032
R13: 000000000001fa0f R14: 00007ffdb2f85d60 R15: 00007ffdb2f85d60
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:tomoyo_init_request_info+0x6f/0x370 security/tomoyo/util.c:1028
Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 98 02 00 00 48 8d 7d 50 48 89 6b 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 06 0f 8e 5d 02 00 00 48 8d 7b 4b 44 0f b6 6d
RSP: 0018:ffffc9000bdb7b30 EFLAGS: 00010206

RAX: dffffc0000000000 RBX: ffffc9000bdb7be0 RCX: 0000000000000000
RDX: 000000000000000a RSI: ffffffff8452d677 RDI: 0000000000000050
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: ffffc9000bdb7be0 R11: 0000000000000002 R12: 000000000000000a
R13: ffffc9000bdb7db8 R14: ffffc9000bdb7ba0 R15: ffffc9000bdb7bc0
FS:  0000555570c4d500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f70e7b77bac CR3: 000000007aa90000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	48 89 fa             	mov    %rdi,%rdx
   3:	48 c1 ea 03          	shr    $0x3,%rdx
   7:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   b:	0f 85 98 02 00 00    	jne    0x2a9
  11:	48 8d 7d 50          	lea    0x50(%rbp),%rdi
  15:	48 89 6b 10          	mov    %rbp,0x10(%rbx)
  19:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  20:	fc ff df
  23:	48 89 fa             	mov    %rdi,%rdx
  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 06                	je     0x38
  32:	0f 8e 5d 02 00 00    	jle    0x295
  38:	48 8d 7b 4b          	lea    0x4b(%rbx),%rdi
  3c:	44                   	rex.R
  3d:	0f                   	.byte 0xf
  3e:	b6 6d                	mov    $0x6d,%dh