general protection fault, probably for non-canonical address 0xdffffc000000000d: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000068-0x000000000000006f]
CPU: 1 PID: 9407 Comm: syz-executor.4 Not tainted 5.15.156-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:d_backing_inode include/linux/dcache.h:553 [inline]
RIP: 0010:security_inode_getattr+0x42/0x120 security/security.c:1346
Code: bd fd 49 8d 5f 08 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 2c f4 06 fe 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 f4 06 fe 48 8b 6d 00 48 83 c5
RSP: 0018:ffffc90003057180 EFLAGS: 00010202
RAX: 000000000000000d RBX: ffffc900030575f8 RCX: 0000000000040000
RDX: ffffc9000b91b000 RSI: 0000000000000f4d RDI: 0000000000000f4e
RBP: 0000000000000068 R08: dffffc0000000000 R09: ffffc900030575f0
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffc90003057600 R14: 0000000000000000 R15: ffffc900030575f0
FS:  00007f05e27296c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d233000 CR3: 0000000063c66000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 vfs_getattr+0x26/0x360 fs/stat.c:157
 ovl_copy_up_one fs/overlayfs/copy_up.c:961 [inline]
 ovl_copy_up_flags+0x5e7/0x2e00 fs/overlayfs/copy_up.c:1047
 ovl_maybe_copy_up+0x14e/0x180 fs/overlayfs/copy_up.c:1079
 ovl_open+0xa4/0x200 fs/overlayfs/file.c:149
 do_dentry_open+0x807/0xfb0 fs/open.c:826
 do_open fs/namei.c:3608 [inline]
 path_openat+0x2705/0x2f20 fs/namei.c:3742
 do_filp_open+0x21c/0x460 fs/namei.c:3769
 do_sys_openat2+0x13b/0x500 fs/open.c:1253
 do_sys_open fs/open.c:1269 [inline]
 __do_sys_openat fs/open.c:1285 [inline]
 __se_sys_openat fs/open.c:1280 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1280
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f05e41d7ea9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f05e27290c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f05e4306050 RCX: 00007f05e41d7ea9
RDX: 0000000000000002 RSI: 0000000020004280 RDI: ffffffffffffff9c
RBP: 00007f05e42244a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f05e4306050 R15: 00007ffea95f1f98
 </TASK>
Modules linked in:
---[ end trace cacbf8bbf5918023 ]---
RIP: 0010:d_backing_inode include/linux/dcache.h:553 [inline]
RIP: 0010:security_inode_getattr+0x42/0x120 security/security.c:1346
Code: bd fd 49 8d 5f 08 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 2c f4 06 fe 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 f4 06 fe 48 8b 6d 00 48 83 c5
RSP: 0018:ffffc90003057180 EFLAGS: 00010202
RAX: 000000000000000d RBX: ffffc900030575f8 RCX: 0000000000040000
RDX: ffffc9000b91b000 RSI: 0000000000000f4d RDI: 0000000000000f4e
RBP: 0000000000000068 R08: dffffc0000000000 R09: ffffc900030575f0
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffc90003057600 R14: 0000000000000000 R15: ffffc900030575f0
FS:  00007f05e27296c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff85eb7f000 CR3: 0000000063c66000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	bd fd 49 8d 5f       	mov    $0x5f8d49fd,%ebp
   5:	08 48 89             	or     %cl,-0x77(%rax)
   8:	d8 48 c1             	fmuls  -0x3f(%rax)
   b:	e8 03 42 80 3c       	call   0x3c804213
  10:	20 00                	and    %al,(%rax)
  12:	74 08                	je     0x1c
  14:	48 89 df             	mov    %rbx,%rdi
  17:	e8 2c f4 06 fe       	call   0xfe06f448
  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 f4 06 fe       	call   0xfe06f448
  39:	48 8b 6d 00          	mov    0x0(%rbp),%rbp
  3d:	48                   	rex.W
  3e:	83                   	.byte 0x83
  3f:	c5                   	.byte 0xc5