general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
CPU: 1 PID: 2924 Comm: syz.1.775 Not tainted 5.10.240-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:d_backing_inode include/linux/dcache.h:558 [inline]
RIP: 0010:security_inode_getattr+0x47/0x130 security/security.c:1265
Code: 4e ff 4c 8d 73 08 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 17 ba 88 ff 4d 8b 36 49 83 c6 30 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 f7 e8 fa b9 88 ff 4d 8b 36 49 83 c6 0c
RSP: 0018:ffffc90000d57890 EFLAGS: 00010206
RAX: 0000000000000006 RBX: ffffc90000d57980 RCX: 0000000000080000
RDX: ffffc90002d21000 RSI: 00000000000003e3 RDI: 00000000000003e4
RBP: ffffc90000d578b8 R08: dffffc0000000000 R09: ffffc90000d57a70
R10: 0000000000000000 R11: 0000000000000010 R12: ffffc90000d57980
R13: dffffc0000000000 R14: 0000000000000030 R15: ffffc90000d57a70
FS:  00007f89c6c1e6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e322ff8 CR3: 0000000120ff6000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vfs_getattr+0x25/0x70 fs/stat.c:129
 ovl_getattr+0x2d7/0xd60 fs/overlayfs/inode.c:245
 vfs_getattr_nosec+0x22f/0x6f0 fs/stat.c:95
 vfs_getattr fs/stat.c:132 [inline]
 vfs_statx+0x167/0x520 fs/stat.c:197
 vfs_fstatat fs/stat.c:215 [inline]
 vfs_stat include/linux/fs.h:3308 [inline]
 __do_sys_newstat fs/stat.c:356 [inline]
 __se_sys_newstat+0xb8/0x320 fs/stat.c:352
 __x64_sys_newstat+0x5b/0x70 fs/stat.c:352
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f89c81d6be9
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:00007f89c6c1e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00007f89c83fe090 RCX: 00007f89c81d6be9
RDX: 0000000000000000 RSI: 0000200000000800 RDI: 00002000000007c0
RBP: 00007f89c8259e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f89c83fe128 R14: 00007f89c83fe090 R15: 00007ffee285e578
Modules linked in:
---[ end trace f4503ad70bcf43e4 ]---
RIP: 0010:d_backing_inode include/linux/dcache.h:558 [inline]
RIP: 0010:security_inode_getattr+0x47/0x130 security/security.c:1265
Code: 4e ff 4c 8d 73 08 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 17 ba 88 ff 4d 8b 36 49 83 c6 30 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 f7 e8 fa b9 88 ff 4d 8b 36 49 83 c6 0c
RSP: 0018:ffffc90000d57890 EFLAGS: 00010206
RAX: 0000000000000006 RBX: ffffc90000d57980 RCX: 0000000000080000
RDX: ffffc90002d21000 RSI: 00000000000003e3 RDI: 00000000000003e4
RBP: ffffc90000d578b8 R08: dffffc0000000000 R09: ffffc90000d57a70
R10: 0000000000000000 R11: 0000000000000010 R12: ffffc90000d57980
R13: dffffc0000000000 R14: 0000000000000030 R15: ffffc90000d57a70
FS:  00007f89c6c1e6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555593e5f7d0 CR3: 0000000120ff6000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	4e ff 4c 8d 73       	rex.WRX decq 0x73(%rbp,%r9,4)
   5:	08 4c 89 f0          	or     %cl,-0x10(%rcx,%rcx,4)
   9:	48 c1 e8 03          	shr    $0x3,%rax
   d:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  12:	74 08                	je     0x1c
  14:	4c 89 f7             	mov    %r14,%rdi
  17:	e8 17 ba 88 ff       	call   0xff88ba33
  1c:	4d 8b 36             	mov    (%r14),%r14
  1f:	49 83 c6 30          	add    $0x30,%r14
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 f7             	mov    %r14,%rdi
  34:	e8 fa b9 88 ff       	call   0xff88ba33
  39:	4d 8b 36             	mov    (%r14),%r14
  3c:	49 83 c6 0c          	add    $0xc,%r14