------------[ cut here ]------------ WARNING: CPU: 0 PID: 293 at fs/overlayfs/util.c:605 ovl_dir_version_inc fs/overlayfs/util.c:605 [inline] WARNING: CPU: 0 PID: 293 at fs/overlayfs/util.c:605 ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:623 Modules linked in: CPU: 0 UID: 0 PID: 293 Comm: syz-executor Not tainted syzkaller #0 238002c42480d657f84ffff3a67e0b81dcf43858 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:ovl_dir_version_inc fs/overlayfs/util.c:605 [inline] RIP: 0010:ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:623 Code: c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 fe 69 97 ff 49 ff 06 5b 41 5c 41 5d 41 5e 41 5f 5d e9 cc 86 5e 03 cc e8 76 8f 3e ff <0f> 0b e9 3e ff ff ff e8 6a 8f 3e ff 0f 0b e9 6e ff ff ff 44 89 f9 RSP: 0018:ffffc900015ef9e8 EFLAGS: 00010293 RAX: ffffffff8248ea9a RBX: 0000000000000000 RCX: ffff88812225a600 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900015efa10 R08: ffff88811ca6fabf R09: 1ffff1102394df57 R10: dffffc0000000000 R11: ffffed102394df58 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff88811ca6fa20 R15: ffff888111482440 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe66935fa0 CR3: 00000000074aa000 CR4: 00000000003526b0 Call Trace: ovl_remove_upper fs/overlayfs/dir.c:841 [inline] ovl_do_remove+0x824/0xd10 fs/overlayfs/dir.c:912 ovl_rmdir+0x1e/0x30 fs/overlayfs/dir.c:945 vfs_rmdir+0x3de/0x560 fs/namei.c:4348 incfs_kill_sb+0x102/0x220 fs/incfs/vfs.c:1968 deactivate_locked_super+0xd5/0x270 fs/super.c:478 deactivate_super+0xb8/0xe0 fs/super.c:511 cleanup_mnt+0x438/0x4d0 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+0xa46/0x2850 kernel/exit.c:961 do_group_exit+0x21f/0x2f0 kernel/exit.c:1104 __do_sys_exit_group kernel/exit.c:1115 [inline] __se_sys_exit_group kernel/exit.c:1113 [inline] __x64_sys_exit_group+0x43/0x50 kernel/exit.c:1113 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: 0033:0x7fc916b9e159 Code: Unable to access opcode bytes at 0x7fc916b9e12f. RSP: 002b:00007ffe669364e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fc916c344b0 RCX: 00007fc916b9e159 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000028 R08: 0000000000000000 R09: 00007fc916c3448b R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe669377a0 R13: 00007fc916c3448b R14: 000000000005370a R15: 00007ffe66938870 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 293 at fs/overlayfs/util.c:605 ovl_dir_version_inc fs/overlayfs/util.c:605 [inline] WARNING: CPU: 0 PID: 293 at fs/overlayfs/util.c:605 ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:623 Modules linked in: CPU: 0 UID: 0 PID: 293 Comm: syz-executor Tainted: G W syzkaller #0 238002c42480d657f84ffff3a67e0b81dcf43858 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:ovl_dir_version_inc fs/overlayfs/util.c:605 [inline] RIP: 0010:ovl_dir_modified+0x15a/0x190 fs/overlayfs/util.c:623 Code: c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 fe 69 97 ff 49 ff 06 5b 41 5c 41 5d 41 5e 41 5f 5d e9 cc 86 5e 03 cc e8 76 8f 3e ff <0f> 0b e9 3e ff ff ff e8 6a 8f 3e ff 0f 0b e9 6e ff ff ff 44 89 f9 RSP: 0018:ffffc900015ef9e8 EFLAGS: 00010293 RAX: ffffffff8248ea9a RBX: 0000000000000000 RCX: ffff88812225a600 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900015efa10 R08: ffff88811ca6fabf R09: 1ffff1102394df57 R10: dffffc0000000000 R11: ffffed102394df58 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff88811ca6fa20 R15: ffff888111482440 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f714ec0bff8 CR3: 00000001154f8000 CR4: 00000000003526b0 Call Trace: ovl_remove_upper fs/overlayfs/dir.c:841 [inline] ovl_do_remove+0x824/0xd10 fs/overlayfs/dir.c:912 ovl_rmdir+0x1e/0x30 fs/overlayfs/dir.c:945 vfs_rmdir+0x3de/0x560 fs/namei.c:4348 incfs_kill_sb+0x197/0x220 fs/incfs/vfs.c:1972 deactivate_locked_super+0xd5/0x270 fs/super.c:478 deactivate_super+0xb8/0xe0 fs/super.c:511 cleanup_mnt+0x438/0x4d0 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+0xa46/0x2850 kernel/exit.c:961 do_group_exit+0x21f/0x2f0 kernel/exit.c:1104 __do_sys_exit_group kernel/exit.c:1115 [inline] __se_sys_exit_group kernel/exit.c:1113 [inline] __x64_sys_exit_group+0x43/0x50 kernel/exit.c:1113 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: 0033:0x7fc916b9e159 Code: Unable to access opcode bytes at 0x7fc916b9e12f. RSP: 002b:00007ffe669364e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fc916c344b0 RCX: 00007fc916b9e159 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000028 R08: 0000000000000000 R09: 00007fc916c3448b R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe669377a0 R13: 00007fc916c3448b R14: 000000000005370a R15: 00007ffe66938870 ---[ end trace 0000000000000000 ]---