Hello, syzbot found the following issue on: HEAD commit: ee94b00c1a64 Merge tag 'block-6.17-20250815' of git://git... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=178a0442580000 kernel config: https://syzkaller.appspot.com/x/.config?x=98e114f4eb77e551 dashboard link: https://syzkaller.appspot.com/bug?extid=56728135217003dc6f7d compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=118d2234580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/d3a276780499/disk-ee94b00c.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/9d0179cf0059/vmlinux-ee94b00c.xz kernel image: https://storage.googleapis.com/syzbot-assets/93f6f92d9369/bzImage-ee94b00c.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/a81e1292f715/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+56728135217003dc6f7d@xxxxxxxxxxxxxxxxxxxxxxxxx loop0: detected capacity change from 0 to 4096 ntfs3(loop0): Different NTFS sector size (2048) and media sector size (512). Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: debug_object_active_state+0x204/0x260 lib/debugobjects.c:-1 CPU: 0 UID: 0 PID: 10513 Comm: syz.0.2210 Tainted: G W 6.17.0-rc1-syzkaller-00165-gee94b00c1a64 #0 PREEMPT_{RT,(full)} Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Call Trace: <TASK> dump_stack_lvl+0x99/0x250 lib/dump_stack.c:120 vpanic+0x281/0x750 kernel/panic.c:430 panic+0xb9/0xc0 kernel/panic.c:566 __stack_chk_fail+0x26/0x30 kernel/panic.c:929 debug_object_active_state+0x204/0x260 lib/debugobjects.c:-1 debug_rcu_head_queue kernel/rcu/rcu.h:237 [inline] __call_rcu_common kernel/rcu/tree.c:3108 [inline] call_rcu+0xc3/0x9c0 kernel/rcu/tree.c:3243 __destroy_inode+0x2da/0x670 fs/inode.c:371 destroy_inode fs/inode.c:394 [inline] evict+0x797/0x9c0 fs/inode.c:834 ntfs_fill_super+0x38fa/0x40b0 fs/ntfs3/super.c:1514 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1692 vfs_get_tree+0x8f/0x2b0 fs/super.c:1815 do_new_mount+0x2a2/0x9e0 fs/namespace.c:3805 do_mount fs/namespace.c:4133 [inline] __do_sys_mount fs/namespace.c:4344 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4321 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f622eac038a 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:00007f622e12de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f622e12def0 RCX: 00007f622eac038a RDX: 000020000001f380 RSI: 000020000001f3c0 RDI: 00007f622e12deb0 RBP: 000020000001f380 R08: 00007f622e12def0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000020000001f3c0 R13: 00007f622e12deb0 R14: 000000000001f34c R15: 000020000001f400 </TASK> Kernel Offset: disabled --- 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@xxxxxxxxxxxxxxxx. 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
