syzbot

veth0_vlan: entered promiscuous mode
veth1_macvtap: entered promiscuous mode
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WARNING: CPU: 0 PID: 378 at fs/overlayfs/util.c:605 ovl_dir_version_inc fs/overlayfs/util.c:605 [inline]
WARNING: CPU: 0 PID: 378 at fs/overlayfs/util.c:605 ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:623
Modules linked in:
CPU: 0 UID: 0 PID: 378 Comm: syz-executor Not tainted syzkaller #0 3a44bb4c5afb37201027c4f56c4312533634f50d
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:ovl_dir_version_inc fs/overlayfs/util.c:605 [inline]
RIP: 0010:ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:623
Code: c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 fe 85 97 ff 49 ff 06 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 86 d2 3e ff <0f> 0b e9 3e ff ff ff e8 7a d2 3e ff 0f 0b e9 6e ff ff ff 44 89 f9
RSP: 0018:ffffc9000125fb88 EFLAGS: 00010293
RAX: ffffffff82489d4a RBX: 0000000000000000 RCX: ffff88812f728000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000125fbb0 R08: ffff8881228c0f3f R09: 1ffff110245181e7
R10: dffffc0000000000 R11: ffffed10245181e8 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8881228c0ea0 R15: ffff888113379550
FS:  0000555576377500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555576392918 CR3: 0000000114610000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 ovl_remove_upper fs/overlayfs/dir.c:841 [inline]
 ovl_do_remove+0x824/0xd10 fs/overlayfs/dir.c:912
 ovl_rmdir+0x1e/0x30 fs/overlayfs/dir.c:945
 vfs_rmdir+0x3de/0x560 fs/namei.c:4348