general protection fault, probably for non-canonical address 0xdffffc000000000d: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000068-0x000000000000006f]
CPU: 0 PID: 5719 Comm: syz.4.296 Not tainted 6.1.126-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:d_backing_inode include/linux/dcache.h:543 [inline]
RIP: 0010:security_inode_getattr+0x42/0x120 security/security.c:1359
Code: 8e fd 49 8d 5f 08 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 2c f7 e5 fd 48 8b 2b 48 83 c5 68 48 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 ef e8 0f f7 e5 fd 48 8b 6d 00 48 83 c5
RSP: 0018:ffffc90003477960 EFLAGS: 00010202
RAX: 000000000000000d RBX: ffffc90003477a68 RCX: 0000000000080000
RDX: ffffc9000e4db000 RSI: 0000000000000d9f RDI: 0000000000000da0
RBP: 0000000000000068 R08: dffffc0000000000 R09: ffffc90003477a60
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffc90003477b60 R14: 0000000000002000 R15: ffffc90003477a60
FS:  00007f2d351106c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2d3510ff98 CR3: 000000002faa4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 vfs_getattr+0x26/0x360 fs/stat.c:158
 ovl_getattr+0x341/0xec0 fs/overlayfs/inode.c:246
 vfs_statx+0x194/0x4b0 fs/stat.c:233
 vfs_fstatat fs/stat.c:267 [inline]
 __do_sys_newfstatat fs/stat.c:437 [inline]
 __se_sys_newfstatat fs/stat.c:431 [inline]
 __x64_sys_newfstatat+0x151/0x1e0 fs/stat.c:431
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f2d34385d29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f2d35110038 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00007f2d34576080 RCX: 00007f2d34385d29
RDX: 0000000020000b00 RSI: 00000000200009c0 RDI: ffffffffffffff9c
RBP: 00007f2d34401b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000002000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f2d34576080 R15: 00007ffd5e5be538
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:d_backing_inode include/linux/dcache.h:543 [inline]
RIP: 0010:security_inode_getattr+0x42/0x120 security/security.c:1359
Code: 8e fd 49 8d 5f 08 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 2c f7 e5 fd 48 8b 2b 48 83 c5 68 48 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 ef e8 0f f7 e5 fd 48 8b 6d 00 48 83 c5
RSP: 0018:ffffc90003477960 EFLAGS: 00010202
RAX: 000000000000000d RBX: ffffc90003477a68 RCX: 0000000000080000
RDX: ffffc9000e4db000 RSI: 0000000000000d9f RDI: 0000000000000da0
RBP: 0000000000000068 R08: dffffc0000000000 R09: ffffc90003477a60
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffc90003477b60 R14: 0000000000002000 R15: ffffc90003477a60
FS:  00007f2d351106c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d505ff8 CR3: 000000002faa4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	8e fd                	mov    %ebp,%?
   2:	49 8d 5f 08          	lea    0x8(%r15),%rbx
   6:	48 89 d8             	mov    %rbx,%rax
   9:	48 c1 e8 03          	shr    $0x3,%rax
   d:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1)
  12:	74 08                	je     0x1c
  14:	48 89 df             	mov    %rbx,%rdi
  17:	e8 2c f7 e5 fd       	call   0xfde5f748
  1c:	48 8b 2b             	mov    (%rbx),%rbp
  1f:	48 83 c5 68          	add    $0x68,%rbp
  23:	48 89 e8             	mov    %rbp,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	48 89 ef             	mov    %rbp,%rdi
  34:	e8 0f f7 e5 fd       	call   0xfde5f748
  39:	48 8b 6d 00          	mov    0x0(%rbp),%rbp
  3d:	48                   	rex.W
  3e:	83                   	.byte 0x83
  3f:	c5                   	.byte 0xc5