------------[ cut here ]------------
ovl_d_real(/file2, NULL:0): real dentry (ffff88805ee2e000/323) not found
WARNING: CPU: 0 PID: 5121 at fs/overlayfs/super.c:115 ovl_d_real+0x212/0x490 fs/overlayfs/super.c:112
Modules linked in:
CPU: 0 PID: 5121 Comm: syz.2.242 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:ovl_d_real+0x212/0x490 fs/overlayfs/super.c:112
Code: 36 45 31 ff 31 c0 48 c7 c7 c0 46 60 8a 48 c7 c6 ca 34 d7 8b 48 89 da 4c 89 e1 4d 89 f0 4d 89 f9 50 e8 82 93 f4 06 48 83 c4 08 <0f> 0b 48 89 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 39 5e b7 fe 49
RSP: 0018:ffffc9000340f5c8 EFLAGS: 00010282
RAX: 640e93cff1c10000 RBX: ffff88805ee2f608 RCX: 0000000000080000
RDX: ffffc9000f69d000 RSI: 0000000000007048 RDI: 0000000000007049
RBP: dffffc0000000000 R08: ffff8880b9033d7f R09: 1ffff110172067af
R10: dffffc0000000000 R11: ffffed10172067b0 R12: ffffffff8a604720
R13: ffff888054780dd8 R14: 0000000000000000 R15: ffff88805ee2e000
FS:  00007f3df152a6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fba7007aeb8 CR3: 0000000075fe3000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 d_real include/linux/dcache.h:587 [inline]
 d_real_inode include/linux/dcache.h:602 [inline]
 process_measurement+0x18b5/0x1c20 security/integrity/ima/ima_main.c:283
 ima_file_check+0xc7/0x110 security/integrity/ima/ima_main.c:533
 do_open fs/namei.c:3661 [inline]
 path_openat+0x27cf/0x2fb0 fs/namei.c:3793
 do_filp_open+0x1df/0x400 fs/namei.c:3820
 do_sys_openat2+0x14b/0x500 fs/open.c:1255
 do_sys_open fs/open.c:1271 [inline]
 __do_sys_openat fs/open.c:1287 [inline]
 __se_sys_openat fs/open.c:1282 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1282
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f3df32f3159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3df152a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f3df357b090 RCX: 00007f3df32f3159
RDX: 000000000000002f RSI: 0000200000000140 RDI: ffffffffffffff9c
RBP: 00007f3df338a06b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3df357b128 R14: 00007f3df357b090 R15: 00007fffc86bfd58
 </TASK>