syzbot

veth0_vlan: entered promiscuous mode
veth1_macvtap: entered promiscuous mode
------------[ cut here ]------------
WARNING: CPU: 0 PID: 367 at fs/overlayfs/util.c:602 ovl_dir_version_inc fs/overlayfs/util.c:602 [inline]
WARNING: CPU: 0 PID: 367 at fs/overlayfs/util.c:602 ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:620
Modules linked in:
CPU: 0 UID: 0 PID: 367 Comm: syz-executor Not tainted syzkaller #0 a14c28d9e62c02dc866229d1d178db2aa7df2752
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:ovl_dir_version_inc fs/overlayfs/util.c:602 [inline]
RIP: 0010:ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:620
Code: c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 6e 8a 97 ff 49 ff 06 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 16 b1 3f ff <0f> 0b e9 3e ff ff ff e8 0a b1 3f ff 0f 0b e9 6e ff ff ff 44 89 f9
RSP: 0018:ffffc90003b9fb48 EFLAGS: 00010293
RAX: ffffffff8247ec3a RBX: 0000000000000000 RCX: ffff888123293900
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003b9fb70 R08: ffff888120fb4b9f R09: 1ffff110241f6973
R10: dffffc0000000000 R11: ffffed10241f6974 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888120fb4b00 R15: ffff8881134d6660
FS:  000055556aad5500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556ab00988 CR3: 000000012429e000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 ovl_remove_upper fs/overlayfs/dir.c:841 [inline]
 ovl_do_remove+0x81b/0xda0 fs/overlayfs/dir.c:912