kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 416 Comm: syz-executor.0 Not tainted 5.4.274-syzkaller-04911-g6f97bd951d82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:d_backing_inode include/linux/dcache.h:552 [inline]
RIP: 0010:security_inode_getattr+0x42/0x120 security/security.c:1241
Code: 5c ff 49 8d 5f 08 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 cc ea 8b ff 48 8b 2b 48 83 c5 30 48 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 ef e8 af ea 8b ff 48 8b 6d 00 48 83 c5
RSP: 0018:ffff8881ef0cef58 EFLAGS: 00010206
RAX: 0000000000000006 RBX: ffff8881ef0cf3f8 RCX: ffff8881f45dbf00
RDX: 0000000000000000 RSI: ffff8881ef0cf400 RDI: ffff8881ef0cf3f0
RBP: 0000000000000030 R08: dffffc0000000000 R09: ffff8881ef0cf3f0
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881ef0cf3f0 R14: 0000000000000000 R15: ffff8881ef0cf3f0
FS:  00007fbb987d36c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001d9b5f000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vfs_getattr+0x27/0x700 fs/stat.c:115
 ovl_copy_up_one fs/overlayfs/copy_up.c:804 [inline]
 ovl_copy_up_flags+0x5b2/0x29f0 fs/overlayfs/copy_up.c:886
 ovl_maybe_copy_up+0x14e/0x180 fs/overlayfs/copy_up.c:918
 ovl_open+0xa3/0x320 fs/overlayfs/file.c:128
 do_dentry_open+0x964/0x1130 fs/open.c:806
 vfs_open fs/open.c:920 [inline]
 dentry_open+0xb1/0xf0 fs/open.c:936
 file_open+0x2ab/0x620 fs/incfs/vfs.c:1449
 do_dentry_open+0x964/0x1130 fs/open.c:806
 do_last fs/namei.c:3565 [inline]
 path_openat+0x29bf/0x34b0 fs/namei.c:3683
 do_filp_open+0x20b/0x450 fs/namei.c:3713
 do_sys_open+0x39c/0x810 fs/open.c:1123
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7fbb98c51da9
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:00007fbb987d30c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fbb98d7ff80 RCX: 00007fbb98c51da9
RDX: 0000000000000002 RSI: 0000000020000080 RDI: 0000000000000004
RBP: 00007fbb98c9e47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fbb98d7ff80 R15: 00007ffd0cb29fe8
Modules linked in:
---[ end trace 4be708ddf4810488 ]---
RIP: 0010:d_backing_inode include/linux/dcache.h:552 [inline]
RIP: 0010:security_inode_getattr+0x42/0x120 security/security.c:1241
Code: 5c ff 49 8d 5f 08 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 cc ea 8b ff 48 8b 2b 48 83 c5 30 48 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 ef e8 af ea 8b ff 48 8b 6d 00 48 83 c5
RSP: 0018:ffff8881ef0cef58 EFLAGS: 00010206
RAX: 0000000000000006 RBX: ffff8881ef0cf3f8 RCX: ffff8881f45dbf00
RDX: 0000000000000000 RSI: ffff8881ef0cf400 RDI: ffff8881ef0cf3f0
RBP: 0000000000000030 R08: dffffc0000000000 R09: ffff8881ef0cf3f0
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881ef0cf3f0 R14: 0000000000000000 R15: ffff8881ef0cf3f0
FS:  00007fbb987d36c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001d9b5f000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	5c                   	pop    %rsp
   1:	ff 49 8d             	decl   -0x73(%rcx)
   4:	5f                   	pop    %rdi
   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 cc ea 8b ff       	call   0xff8beae8
  1c:	48 8b 2b             	mov    (%rbx),%rbp
  1f:	48 83 c5 30          	add    $0x30,%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 af ea 8b ff       	call   0xff8beae8
  39:	48 8b 6d 00          	mov    0x0(%rbp),%rbp
  3d:	48                   	rex.W
  3e:	83                   	.byte 0x83
  3f:	c5                   	.byte 0xc5