------------[ cut here ]------------
ovl_d_real(/file3, NULL:0): real dentry (ffff88801e4378f8/1970) not found
WARNING: CPU: 1 PID: 4221 at fs/overlayfs/super.c:116 ovl_d_real+0x215/0x480 fs/overlayfs/super.c:113
Modules linked in:
CPU: 1 PID: 4221 Comm: syz-executor.4 Not tainted 6.1.90-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:ovl_d_real+0x215/0x480 fs/overlayfs/super.c:113
Code: 00 45 31 ff 31 c0 48 c7 c7 00 d4 22 8b 48 c7 c6 cb 00 95 8c 4c 89 f2 4c 89 e1 4d 89 e8 4d 89 f9 50 e8 3f 91 5c fe 48 83 c4 08 <0f> 0b 4c 89 f0 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 26 92 94 fe 49
RSP: 0018:ffffc9000c5e74c8 EFLAGS: 00010282
RAX: d96220f2d29a3000 RBX: ffff8880712c5d38 RCX: 0000000000040000
RDX: ffffc90005359000 RSI: 00000000000071c7 RDI: 00000000000071c8
RBP: dffffc0000000000 R08: ffffffff81528ede R09: fffff520018bcdf9
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8b22d460
R13: 0000000000000000 R14: ffff888074598bc0 R15: ffff88801e4378f8
FS:  00007fbd707f36c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb10a877f38 CR3: 0000000021826000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 d_real include/linux/dcache.h:577 [inline]
 d_real_inode include/linux/dcache.h:592 [inline]
 process_measurement+0x1d4b/0x21b0 security/integrity/ima/ima_main.c:283
 ima_file_check+0xed/0x170 security/integrity/ima/ima_main.c:534
 do_open fs/namei.c:3630 [inline]
 path_openat+0x2687/0x2e60 fs/namei.c:3785
 do_filp_open+0x230/0x480 fs/namei.c:3812
 do_sys_openat2+0x13b/0x500 fs/open.c:1318
 do_sys_open fs/open.c:1334 [inline]
 __do_sys_openat fs/open.c:1350 [inline]
 __se_sys_openat fs/open.c:1345 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1345
 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: 0033:0x7fbd6fa7dd29
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:00007fbd707f30c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fbd6fbac050 RCX: 00007fbd6fa7dd29
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
RBP: 00007fbd6faca47e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fbd6fbac050 R15: 00007ffcb1f99568
 </TASK>