------------[ cut here ]------------
WARNING: CPU: 0 PID: 1098 at fs/overlayfs/util.c:602 ovl_dir_version_inc fs/overlayfs/util.c:602 [inline]
WARNING: CPU: 0 PID: 1098 at fs/overlayfs/util.c:602 ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:620
Modules linked in:
CPU: 0 UID: 0 PID: 1098 Comm: syz.5.230 Not tainted syzkaller #0 04cb9dc0204685658888a089110343aef75544e6
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
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 1e 74 97 ff 49 ff 06 5b 41 5c 41 5d 41 5e 41 5f 5d e9 4c 51 5b 03 cc e8 e6 1d 3f ff <0f> 0b e9 3e ff ff ff e8 da 1d 3f ff 0f 0b e9 6e ff ff ff 44 89 f9
RSP: 0018:ffffc90010397748 EFLAGS: 00010293
RAX: ffffffff8248915a RBX: 0000000000000000 RCX: ffff88811e42df00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90010397770 R08: ffff888111282c3f R09: 1ffff11022250587
R10: dffffc0000000000 R11: ffffed1022250588 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888111282ba0 R15: ffff888110cde990
FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555588a1f988 CR3: 00000000074a8000 CR4: 00000000003526b0
Call Trace:
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+0x1e8/0x260 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
get_signal+0x1398/0x14e0 kernel/signal.c:2933
arch_do_signal_or_restart+0xbc/0x760 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+0x57/0xb0 kernel/entry/common.c:218
do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fb12635d60e
Code: Unable to access opcode bytes at 0x7fb12635d5e4.
RSP: 002b:00007fb124de2f58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 00007fb124de36c0 RCX: 00007fb12635d60e
RDX: 00007fb124de2fb0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fb126432d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb126616038 R14: 00007fb126615fa0 R15: 0000000000000c0a
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 1098 at fs/overlayfs/util.c:602 ovl_dir_version_inc fs/overlayfs/util.c:602 [inline]
WARNING: CPU: 1 PID: 1098 at fs/overlayfs/util.c:602 ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:620
Modules linked in:
CPU: 1 UID: 0 PID: 1098 Comm: syz.5.230 Tainted: G W syzkaller #0 04cb9dc0204685658888a089110343aef75544e6
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
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 1e 74 97 ff 49 ff 06 5b 41 5c 41 5d 41 5e 41 5f 5d e9 4c 51 5b 03 cc e8 e6 1d 3f ff <0f> 0b e9 3e ff ff ff e8 da 1d 3f ff 0f 0b e9 6e ff ff ff 44 89 f9
RSP: 0018:ffffc90010397748 EFLAGS: 00010293
RAX: ffffffff8248915a RBX: 0000000000000000 RCX: ffff88811e42df00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90010397770 R08: ffff888111282c3f R09: 1ffff11022250587
R10: dffffc0000000000 R11: ffffed1022250588 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888111282ba0 R15: ffff888110cde990
FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc260010b8 CR3: 000000010cbde000 CR4: 00000000003526b0
Call Trace:
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+0x1e8/0x260 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
get_signal+0x1398/0x14e0 kernel/signal.c:2933
arch_do_signal_or_restart+0xbc/0x760 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+0x57/0xb0 kernel/entry/common.c:218
do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fb12635d60e
Code: Unable to access opcode bytes at 0x7fb12635d5e4.
RSP: 002b:00007fb124de2f58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 00007fb124de36c0 RCX: 00007fb12635d60e
RDX: 00007fb124de2fb0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fb126432d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb126616038 R14: 00007fb126615fa0 R15: 0000000000000c0a
---[ end trace 0000000000000000 ]---