------------[ cut here ]------------
WARNING: CPU: 1 PID: 1233 at fs/overlayfs/util.c:602 ovl_dir_version_inc fs/overlayfs/util.c:602 [inline]
WARNING: CPU: 1 PID: 1233 at fs/overlayfs/util.c:602 ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:620
Modules linked in:
CPU: 1 UID: 0 PID: 1233 Comm: syz.1.360 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:ffffc9000f067768 EFLAGS: 00010293
RAX: ffffffff8243239a RBX: 0000000000000000 RCX: ffff888119f44c00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000f067790 R08: ffff88811b9540bf R09: 1ffff1102372a817
R10: dffffc0000000000 R11: ffffed102372a818 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff88811b954020 R15: ffff8881136f4110
FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2b1bd8 CR3: 000000011581e000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000800000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
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
get_signal+0x139d/0x14f0 kernel/signal.c:2933
arch_do_signal_or_restart+0x96/0x720 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [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+0x58/0xb0 kernel/entry/common.c:218
do_syscall_64+0x64/0xf0 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f5645b8f6c9
Code: Unable to access opcode bytes at 0x7f5645b8f69f.
RSP: 002b:00007f5646a190e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f5645de5fa8 RCX: 00007f5645b8f6c9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f5645de5fa8
RBP: 00007f5645de5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5645de6038 R14: 00007ffd9066c600 R15: 00007ffd9066c6e8
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1233 at fs/overlayfs/util.c:602 ovl_dir_version_inc fs/overlayfs/util.c:602 [inline]
WARNING: CPU: 0 PID: 1233 at fs/overlayfs/util.c:602 ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:620
Modules linked in:
CPU: 0 UID: 0 PID: 1233 Comm: syz.1.360 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:ffffc9000f067768 EFLAGS: 00010293
RAX: ffffffff8243239a RBX: 0000000000000000 RCX: ffff888119f44c00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000f067790 R08: ffff88811b9540bf R09: 1ffff1102372a817
R10: dffffc0000000000 R11: ffffed102372a818 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff88811b954020 R15: ffff8881136f4110
FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff170bb4198 CR3: 000000010b3be000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000800000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
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
get_signal+0x139d/0x14f0 kernel/signal.c:2933
arch_do_signal_or_restart+0x96/0x720 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [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+0x58/0xb0 kernel/entry/common.c:218
do_syscall_64+0x64/0xf0 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f5645b8f6c9
Code: Unable to access opcode bytes at 0x7f5645b8f69f.
RSP: 002b:00007f5646a190e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f5645de5fa8 RCX: 00007f5645b8f6c9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f5645de5fa8
RBP: 00007f5645de5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5645de6038 R14: 00007ffd9066c600 R15: 00007ffd9066c6e8
---[ end trace 0000000000000000 ]---