------------[ cut here ]------------
WARNING: CPU: 0 PID: 291 at fs/overlayfs/util.c:602 ovl_dir_version_inc fs/overlayfs/util.c:602 [inline]
WARNING: CPU: 0 PID: 291 at fs/overlayfs/util.c:602 ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:620
Modules linked in:
CPU: 0 UID: 0 PID: 291 Comm: syz-executor Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
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 ae 48 99 ff 49 ff 06 5b 41 5c 41 5d 41 5e 41 5f 5d e9 cc 97 4c 03 cc e8 16 db 42 ff <0f> 0b e9 3e ff ff ff e8 0a db 42 ff 0f 0b e9 6e ff ff ff 44 89 f9
RSP: 0018:ffffc9000b6bf988 EFLAGS: 00010293
RAX: ffffffff8243239a RBX: 0000000000000000 RCX: ffff88812312a600
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000b6bf9b0 R08: ffff888112e424ff R09: 1ffff110225c849f
R10: dffffc0000000000 R11: ffffed10225c84a0 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888112e42460 R15: ffff888113b45ee0
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff67b118710 CR3: 00000000072a8000 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:1370
 __cleanup_mnt+0x1d/0x40 fs/namespace.c:1377
 task_work_run+0x1e0/0x250 kernel/task_work.c:240
 exit_task_work include/linux/task_work.h:43 [inline]
 do_exit+0x9bc/0x2630 kernel/exit.c:953
 do_group_exit+0x22a/0x300 kernel/exit.c:1095
 __do_sys_exit_group kernel/exit.c:1106 [inline]
 __se_sys_exit_group kernel/exit.c:1104 [inline]
 __x64_sys_exit_group+0x43/0x50 kernel/exit.c:1104
 x64_sys_call+0x2ed2/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7ff67a38f6c9
Code: Unable to access opcode bytes at 0x7ff67a38f69f.
RSP: 002b:00007ffde52710a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007ff67a411da2 RCX: 00007ff67a38f6c9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000028 R08: 00007ffde526ee46 R09: 00007ffde5272360
R10: 000000000000000a R11: 0000000000000246 R12: 00007ffde5272360
R13: 00007ff67a411d7d R14: 00000000000097fc R15: 00007ffde5273430
 </TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 291 at fs/overlayfs/util.c:602 ovl_dir_version_inc fs/overlayfs/util.c:602 [inline]
WARNING: CPU: 1 PID: 291 at fs/overlayfs/util.c:602 ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:620
Modules linked in:
CPU: 1 UID: 0 PID: 291 Comm: syz-executor Tainted: G        W          syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
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 ae 48 99 ff 49 ff 06 5b 41 5c 41 5d 41 5e 41 5f 5d e9 cc 97 4c 03 cc e8 16 db 42 ff <0f> 0b e9 3e ff ff ff e8 0a db 42 ff 0f 0b e9 6e ff ff ff 44 89 f9
RSP: 0018:ffffc9000b6bf988 EFLAGS: 00010293
RAX: ffffffff8243239a RBX: 0000000000000000 RCX: ffff88812312a600
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000b6bf9b0 R08: ffff888112e424ff R09: 1ffff110225c849f
R10: dffffc0000000000 R11: ffffed10225c84a0 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888112e42460 R15: ffff888113b45ee0
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c33c980 CR3: 000000011f07a000 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+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:1370
 __cleanup_mnt+0x1d/0x40 fs/namespace.c:1377
 task_work_run+0x1e0/0x250 kernel/task_work.c:240
 exit_task_work include/linux/task_work.h:43 [inline]
 do_exit+0x9bc/0x2630 kernel/exit.c:953
 do_group_exit+0x22a/0x300 kernel/exit.c:1095
 __do_sys_exit_group kernel/exit.c:1106 [inline]
 __se_sys_exit_group kernel/exit.c:1104 [inline]
 __x64_sys_exit_group+0x43/0x50 kernel/exit.c:1104
 x64_sys_call+0x2ed2/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7ff67a38f6c9
Code: Unable to access opcode bytes at 0x7ff67a38f69f.
RSP: 002b:00007ffde52710a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007ff67a411da2 RCX: 00007ff67a38f6c9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000028 R08: 00007ffde526ee46 R09: 00007ffde5272360
R10: 000000000000000a R11: 0000000000000246 R12: 00007ffde5272360
R13: 00007ff67a411d7d R14: 00000000000097fc R15: 00007ffde5273430
 </TASK>
---[ end trace 0000000000000000 ]---