------------[ cut here ]------------
WARNING: CPU: 0 PID: 292 at fs/overlayfs/util.c:602 ovl_dir_version_inc fs/overlayfs/util.c:602 [inline]
WARNING: CPU: 0 PID: 292 at fs/overlayfs/util.c:602 ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:620
Modules linked in:
CPU: 0 UID: 0 PID: 292 Comm: syz-executor Not tainted syzkaller #0 9f86d9c18f1652eb5f7cacfb207b3899f57a91b2
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 de 75 97 ff 49 ff 06 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 f6 48 3f ff <0f> 0b e9 3e ff ff ff e8 ea 48 3f ff 0f 0b e9 6e ff ff ff 44 89 f9
RSP: 0018:ffffc9000116f968 EFLAGS: 00010293
RAX: ffffffff824861ba RBX: 0000000000000000 RCX: ffff88813069b900
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000116f990 R08: ffff88811780e89f R09: 1ffff11022f01d13
R10: dffffc0000000000 R11: ffffed1022f01d14 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff88811780e800 R15: ffff888110561ee0
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff9a8a8f60 CR3: 000000010d2ba000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 ovl_remove_upper fs/overlayfs/dir.c:841 [inline]
 ovl_do_remove+0x81b/0xda0 fs/overlayfs/dir.c:912
 ovl_rmdir+0x1e/0x30 fs/overlayfs/dir.c:945
 vfs_rmdir+0x3e3/0x560 fs/namei.c:4348
 incfs_kill_sb+0x109/0x230 fs/incfs/vfs.c:1968
 deactivate_locked_super+0xd5/0x2a0 fs/super.c:478
 deactivate_super+0xb8/0xe0 fs/super.c:511
 cleanup_mnt+0x406/0x4a0 fs/namespace.c:1380
 __cleanup_mnt+0x1d/0x40 fs/namespace.c:1387
 task_work_run+0x1e5/0x260 kernel/task_work.c:246
 exit_task_work include/linux/task_work.h:43 [inline]
 do_exit+0x9ad/0x2720 kernel/exit.c:954
 do_group_exit+0x229/0x2f0 kernel/exit.c:1096
 __do_sys_exit_group kernel/exit.c:1107 [inline]
 __se_sys_exit_group kernel/exit.c:1105 [inline]
 __x64_sys_exit_group+0x43/0x50 kernel/exit.c:1105
 x64_sys_call+0x2ed2/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:47 [inline]
 do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7ff63979c819
Code: Unable to access opcode bytes at 0x7ff63979c7ef.
RSP: 002b:00007fff9a8a94a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007ff63983206d RCX: 00007ff63979c819
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000028 R08: 0000000000000000 R09: 00007ff639832048
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9a8aa760
R13: 00007ff639832048 R14: 0000000000007a0b R15: 00007fff9a8ab830
 </TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 292 at fs/overlayfs/util.c:602 ovl_dir_version_inc fs/overlayfs/util.c:602 [inline]
WARNING: CPU: 0 PID: 292 at fs/overlayfs/util.c:602 ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:620
Modules linked in:
CPU: 0 UID: 0 PID: 292 Comm: syz-executor Tainted: G        W          syzkaller #0 9f86d9c18f1652eb5f7cacfb207b3899f57a91b2
Tainted: [W]=WARN
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 de 75 97 ff 49 ff 06 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 f6 48 3f ff <0f> 0b e9 3e ff ff ff e8 ea 48 3f ff 0f 0b e9 6e ff ff ff 44 89 f9
RSP: 0018:ffffc9000116f968 EFLAGS: 00010293
RAX: ffffffff824861ba RBX: 0000000000000000 RCX: ffff88813069b900
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000116f990 R08: ffff88811780e89f R09: 1ffff11022f01d13
R10: dffffc0000000000 R11: ffffed1022f01d14 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff88811780e800 R15: ffff888110561ee0
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff9a8a8f60 CR3: 0000000121226000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 ovl_remove_upper fs/overlayfs/dir.c:841 [inline]
 ovl_do_remove+0x81b/0xda0 fs/overlayfs/dir.c:912
 ovl_rmdir+0x1e/0x30 fs/overlayfs/dir.c:945
 vfs_rmdir+0x3e3/0x560 fs/namei.c:4348
 incfs_kill_sb+0x1a0/0x230 fs/incfs/vfs.c:1972
 deactivate_locked_super+0xd5/0x2a0 fs/super.c:478
 deactivate_super+0xb8/0xe0 fs/super.c:511
 cleanup_mnt+0x406/0x4a0 fs/namespace.c:1380
 __cleanup_mnt+0x1d/0x40 fs/namespace.c:1387
 task_work_run+0x1e5/0x260 kernel/task_work.c:246
 exit_task_work include/linux/task_work.h:43 [inline]
 do_exit+0x9ad/0x2720 kernel/exit.c:954
 do_group_exit+0x229/0x2f0 kernel/exit.c:1096
 __do_sys_exit_group kernel/exit.c:1107 [inline]
 __se_sys_exit_group kernel/exit.c:1105 [inline]
 __x64_sys_exit_group+0x43/0x50 kernel/exit.c:1105
 x64_sys_call+0x2ed2/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:47 [inline]
 do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7ff63979c819
Code: Unable to access opcode bytes at 0x7ff63979c7ef.
RSP: 002b:00007fff9a8a94a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007ff63983206d RCX: 00007ff63979c819
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000028 R08: 0000000000000000 R09: 00007ff639832048
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9a8aa760
R13: 00007ff639832048 R14: 0000000000007a0b R15: 00007fff9a8ab830
 </TASK>
---[ end trace 0000000000000000 ]---