loop2: detected capacity change from 0 to 16
erofs (device loop2): mounted with root inode @ nid 36.
------------[ cut here ]------------
d_in_lookup(dentry)
WARNING: fs/dcache.c:2112 at __d_instantiate+0x3ea/0x6e0 fs/dcache.c:2112, CPU#0: syz.2.19/5857
Modules linked in:
CPU: 0 UID: 0 PID: 5857 Comm: syz.2.19 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__d_instantiate+0x3ea/0x6e0 fs/dcache.c:2112
Code: 03 41 80 f6 01 41 0f b6 ce c1 e1 0d 09 c1 89 0b 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d e9 7d 25 61 09 cc e8 87 21 7c ff 90 <0f> 0b 90 e9 7f fd ff ff e8 79 21 7c ff 41 81 cc 00 00 01 00 e9 34
RSP: 0018:ffffc900038274a0 EFLAGS: 00010293
RAX: ffffffff82498229 RBX: ffff888114bb8a48 RCX: ffff88810b5e9d80
RDX: 0000000000000000 RSI: 0000000001000000 RDI: 0000000000000000
RBP: 0000000001000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000704e8c R12: 0000000000280000
R13: dffffc0000000000 R14: ffff888113d61960 R15: ffff888113d61964
FS:  00007fadb922c6c0(0000) GS:ffff88818dc93000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fadb8272700 CR3: 000000016d53e000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 d_make_persistent+0x8e/0x180 fs/dcache.c:3068
 shmem_mknod+0x2ea/0x360 mm/shmem.c:3881
 shmem_whiteout mm/shmem.c:4012 [inline]
 shmem_rename2+0x265/0x430 mm/shmem.c:4052
 vfs_rename+0xa96/0xeb0 fs/namei.c:6053
 ovl_do_rename_rd fs/overlayfs/overlayfs.h:372 [inline]
 ovl_check_rename_whiteout fs/overlayfs/super.c:593 [inline]
 ovl_make_workdir fs/overlayfs/super.c:713 [inline]
 ovl_get_workdir fs/overlayfs/super.c:836 [inline]
 ovl_fill_super_creds fs/overlayfs/super.c:1449 [inline]
 ovl_fill_super+0x46b7/0x5e20 fs/overlayfs/super.c:1560
 vfs_get_super fs/super.c:1327 [inline]
 get_tree_nodev+0xbb/0x150 fs/super.c:1346
 vfs_get_tree+0x92/0x2a0 fs/super.c:1754
 fc_mount fs/namespace.c:1193 [inline]
 do_new_mount_fc fs/namespace.c:3758 [inline]
 do_new_mount+0x341/0xd30 fs/namespace.c:3834
 do_mount fs/namespace.c:4167 [inline]
 __do_sys_mount fs/namespace.c:4383 [inline]
 __se_sys_mount+0x31d/0x420 fs/namespace.c:4360
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fadb839cdd9
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:00007fadb922c028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fadb8615fa0 RCX: 00007fadb839cdd9
RDX: 0000200000000340 RSI: 00002000000000c0 RDI: 0000000000000000
RBP: 00007fadb8432d69 R08: 0000200000000380 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadb8616038 R14: 00007fadb8615fa0 R15: 00007ffe45be7c28
 </TASK>