------------[ cut here ]------------
WARNING: CPU: 0 PID: 24612 at fs/overlayfs/util.c:600 ovl_dir_version_inc fs/overlayfs/util.c:600 [inline]
WARNING: CPU: 0 PID: 24612 at fs/overlayfs/util.c:600 ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:618
Modules linked in:
CPU: 0 UID: 0 PID: 24612 Comm: syz-executor Not tainted 6.12.23-syzkaller-gd9fd901baa98 #0 f1acc3ef52b3e732a05c4f7a2560722db90bb473
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:ovl_dir_version_inc fs/overlayfs/util.c:600 [inline]
RIP: 0010:ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:618
Code: c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 5e 83 99 ff 49 ff 06 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 c6 98 43 ff <0f> 0b e9 3e ff ff ff e8 ba 98 43 ff 0f 0b e9 6e ff ff ff 44 89 f9
RSP: 0018:ffffc90005bf7b68 EFLAGS: 00010293
RAX: ffffffff8241e48a RBX: 0000000000000000 RCX: ffff88812a939300
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90005bf7b90 R08: ffff88813ecb7abf R09: 1ffff11027d96f57
R10: dffffc0000000000 R11: ffffed1027d96f58 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff88813ecb7a20 R15: ffff88813748b000
FS:  000055556c028500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556c04b4e8 CR3: 000000010b310000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 ovl_remove_upper fs/overlayfs/dir.c:841 [inline]
 ovl_do_remove+0x7b8/0xcf0 fs/overlayfs/dir.c:912
 ovl_rmdir+0x1e/0x30 fs/overlayfs/dir.c:945
 vfs_rmdir+0x3dd/0x560 fs/namei.c:4340
 incfs_kill_sb+0x109/0x230 fs/incfs/vfs.c:1968
 deactivate_locked_super+0xd5/0x2a0 fs/super.c:476
 deactivate_super+0xb8/0xe0 fs/super.c:509
 cleanup_mnt+0x3f1/0x480 fs/namespace.c:1374
 __cleanup_mnt+0x1d/0x40 fs/namespace.c:1381
 task_work_run+0x1e0/0x250 kernel/task_work.c:240
 resume_user_mode_work+0x36/0x50 include/linux/resume_user_mode.h:50
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x64/0xb0 kernel/entry/common.c:218
 do_syscall_64+0x64/0xf0 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fa6eff8fc57
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffc23ed0df8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fa6f0010925 RCX: 00007fa6eff8fc57
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc23ed0eb0
RBP: 00007ffc23ed0eb0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc23ed1fa0
R13: 00007fa6f0010925 R14: 00000000000a86a1 R15: 00007ffc23ed3070
 </TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 24612 at fs/overlayfs/util.c:600 ovl_dir_version_inc fs/overlayfs/util.c:600 [inline]
WARNING: CPU: 1 PID: 24612 at fs/overlayfs/util.c:600 ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:618
Modules linked in:
CPU: 1 UID: 0 PID: 24612 Comm: syz-executor Tainted: G        W          6.12.23-syzkaller-gd9fd901baa98 #0 f1acc3ef52b3e732a05c4f7a2560722db90bb473
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:ovl_dir_version_inc fs/overlayfs/util.c:600 [inline]
RIP: 0010:ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:618
Code: c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 5e 83 99 ff 49 ff 06 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 c6 98 43 ff <0f> 0b e9 3e ff ff ff e8 ba 98 43 ff 0f 0b e9 6e ff ff ff 44 89 f9
RSP: 0018:ffffc90005bf7b68 EFLAGS: 00010293
RAX: ffffffff8241e48a RBX: 0000000000000000 RCX: ffff88812a939300
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90005bf7b90 R08: ffff88813ecb7abf R09: 1ffff11027d96f57
R10: dffffc0000000000 R11: ffffed1027d96f58 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff88813ecb7a20 R15: ffff88813748b000
FS:  000055556c028500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f76fb190000 CR3: 000000010b310000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 00000000000067dc DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ovl_remove_upper fs/overlayfs/dir.c:841 [inline]
 ovl_do_remove+0x7b8/0xcf0 fs/overlayfs/dir.c:912
 ovl_rmdir+0x1e/0x30 fs/overlayfs/dir.c:945
 vfs_rmdir+0x3dd/0x560 fs/namei.c:4340
 incfs_kill_sb+0x1a0/0x230 fs/incfs/vfs.c:1972
 deactivate_locked_super+0xd5/0x2a0 fs/super.c:476
 deactivate_super+0xb8/0xe0 fs/super.c:509
 cleanup_mnt+0x3f1/0x480 fs/namespace.c:1374
 __cleanup_mnt+0x1d/0x40 fs/namespace.c:1381
 task_work_run+0x1e0/0x250 kernel/task_work.c:240
 resume_user_mode_work+0x36/0x50 include/linux/resume_user_mode.h:50
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x64/0xb0 kernel/entry/common.c:218
 do_syscall_64+0x64/0xf0 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fa6eff8fc57
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffc23ed0df8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fa6f0010925 RCX: 00007fa6eff8fc57
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc23ed0eb0
RBP: 00007ffc23ed0eb0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc23ed1fa0
R13: 00007fa6f0010925 R14: 00000000000a86a1 R15: 00007ffc23ed3070
 </TASK>
---[ end trace 0000000000000000 ]---