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AJvYcCX4CVmVdKh1jGvbYSebnjrIm0Jhz0wbl6fOpRDMSgmluFarT08PP5lCRbPIWzADQ9Pt5EtfmQ==@lists.linux.dev X-Gm-Message-State: AOJu0YwMADLrwW535aLwSH5UwoYgb6R3PjRqzJ1D7+hxw+H2rAdgAR3v bztiZiZTRocdecSu7qBluIZVin3BJ9o/snHmekvioBRFEDFMgwxCcb7J6rM8+KaerxIyKERzKTw lTVXqWfiVL/b/O3xxIW/+tuDVmBYqA21dWdlnA6ZqU8BmVOZC283+9gv1Sfc= X-Google-Smtp-Source: AGHT+IHU8MT6Z7C4GsQPasY7ylFYsPjt/O9coMlvrh2+a3htHUCIGs9yf1zB+uShe3N63W7aSKUXso9aYttaRlwYNsG0zO0htwn/ Precedence: bulk X-Mailing-List: ntfs3@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:3e05:b0:430:c857:734e with SMTP id e9e14a558f8ab-432f8e2f263mr22346695ab.10.1761696753737; Tue, 28 Oct 2025 17:12:33 -0700 (PDT) Date: Tue, 28 Oct 2025 17:12:33 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69015bf1.050a0220.3344a1.03f8.GAE@google.com> Subject: [syzbot] [ntfs3?] WARNING in ntfs_fill_super (2) From: syzbot To: almaz.alexandrovich@paragon-software.com, linux-kernel@vger.kernel.org, ntfs3@lists.linux.dev, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: f7d2388eeec2 Add linux-next specific files for 20251028 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=15edde7c580000 kernel config: https://syzkaller.appspot.com/x/.config?x=ecdce5bceba74f dashboard link: https://syzkaller.appspot.com/bug?extid=2e6c1eda2eff0745b028 compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=116e6704580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11198fe2580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/8aa0aaa475d1/disk-f7d2388e.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/fc97cba5a8b0/vmlinux-f7d2388e.xz kernel image: https://storage.googleapis.com/syzbot-assets/30e4617d837c/bzImage-f7d2388e.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/7f2ed67d49f3/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+2e6c1eda2eff0745b028@syzkaller.appspotmail.com loop0: detected capacity change from 0 to 4096 ntfs3(loop0): Different NTFS sector size (4096) and media sector size (512). ntfs3(loop0): $Secure::$SII is corrupted. ntfs3(loop0): Failed to initialize $Secure (-22). ------------[ cut here ]------------ WARNING: mm/slub.c:6752 at free_large_kmalloc+0x15c/0x1f0 mm/slub.c:6752, CPU#1: syz.0.17/5997 Modules linked in: CPU: 1 UID: 0 PID: 5997 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:free_large_kmalloc+0x15c/0x1f0 mm/slub.c:6752 Code: 44 89 f6 e8 16 d1 fc ff 65 48 8b 05 1e c3 57 10 48 3b 44 24 08 75 57 48 83 c4 10 5b 41 5c 41 5e 41 5f 5d e9 86 7b 3b 09 cc 90 <0f> 0b 90 65 48 8b 05 f9 c2 57 10 48 3b 44 24 08 75 32 48 89 df 48 RSP: 0018:ffffc90003a3f880 EFLAGS: 00010206 RAX: 00000000ff000000 RBX: ffffea0000389000 RCX: ffffea0000389008 RDX: 0000000000000000 RSI: ffffffff8e240de0 RDI: ffffea0000389000 RBP: ffffc90003a3fbb0 R08: ffffc90003a3f4a7 R09: 1ffff92000747e94 R10: dffffc0000000000 R11: fffff52000747e95 R12: 0000000000000000 R13: 00000000ffffffea R14: dffffc0000000000 R15: ffff88807b48e9b0 FS: 0000555574161500(0000) GS:ffff888125feb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe9d639d000 CR3: 000000007fa22000 CR4: 00000000003526f0 Call Trace: ntfs_fill_super+0x656/0x43d0 fs/ntfs3/super.c:1674 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1691 vfs_get_tree+0x92/0x2b0 fs/super.c:1751 fc_mount fs/namespace.c:1208 [inline] do_new_mount_fc fs/namespace.c:3651 [inline] do_new_mount+0x302/0xa10 fs/namespace.c:3727 do_mount fs/namespace.c:4050 [inline] __do_sys_mount fs/namespace.c:4238 [inline] __se_sys_mount+0x313/0x410 fs/namespace.c:4215 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9eef39076a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd8b15b1b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffd8b15b240 RCX: 00007f9eef39076a RDX: 0000200000000100 RSI: 0000200000000140 RDI: 00007ffd8b15b200 RBP: 0000200000000100 R08: 00007ffd8b15b240 R09: 0000000002200010 R10: 0000000002200010 R11: 0000000000000246 R12: 0000200000000140 R13: 00007ffd8b15b200 R14: 000000000001f2b6 R15: 0000200000000780 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup