linux-kernel - [syzbot] [ntfs3?] kernel panic: stack is corrupted in ni_enum_attr

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Message-ID: <67a30506.050a0220.50516.0010.GAE@google.com>
Date: Tue, 04 Feb 2025 22:28:22 -0800
From: syzbot <syzbot+fe33beb8c5dba41e050b@...kaller.appspotmail.com>
To: almaz.alexandrovich@...agon-software.com, linux-kernel@...r.kernel.org, 
	ntfs3@...ts.linux.dev, syzkaller-bugs@...glegroups.com
Subject: [syzbot] [ntfs3?] kernel panic: stack is corrupted in ni_enum_attr_ex

Hello,

syzbot found the following issue on:

HEAD commit:    69e858e0b8b2 Merge tag 'uml-for-linus-6.14-rc1' of git://g..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=13ca4b24580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=d033b14aeef39158
dashboard link: https://syzkaller.appspot.com/bug?extid=fe33beb8c5dba41e050b
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14ac3ddf980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14f595f8580000

Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-69e858e0.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/a53b888c1f3f/vmlinux-69e858e0.xz
kernel image: https://storage.googleapis.com/syzbot-assets/6b5e17edafc0/bzImage-69e858e0.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/57d4f876a7f0/mount_0.gz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+fe33beb8c5dba41e050b@...kaller.appspotmail.com

loop0: detected capacity change from 0 to 4096
ntfs3(loop0): Different NTFS sector size (1024) and media sector size (512).
ntfs3(loop0): ino=a, mi_enum_attr
ntfs3(loop0): Mark volume as dirty due to NTFS errors
Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: ni_enum_attr_ex+0x445/0x450
CPU: 0 UID: 0 PID: 5634 Comm: syz-executor427 Not tainted 6.13.0-syzkaller-09760-g69e858e0b8b2 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 panic+0x349/0x880 kernel/panic.c:354
 __stack_chk_fail+0x15/0x20 kernel/panic.c:836
 ni_enum_attr_ex+0x445/0x450
 ntfs_read_mft fs/ntfs3/inode.c:123 [inline]
 ntfs_iget5+0x23f7/0x3800 fs/ntfs3/inode.c:540
 ntfs_fill_super+0x3e8e/0x4730 fs/ntfs3/super.c:1477
 get_tree_bdev_flags+0x48c/0x5c0 fs/super.c:1636
 vfs_get_tree+0x90/0x2b0 fs/super.c:1814
 do_new_mount+0x2be/0xb40 fs/namespace.c:3560
 do_mount fs/namespace.c:3900 [inline]
 __do_sys_mount fs/namespace.c:4111 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4088
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f258c7a00ea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc3d396c38 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffc3d396c50 RCX: 00007f258c7a00ea
RDX: 000000002001f800 RSI: 000000002001f840 RDI: 00007ffc3d396c50
RBP: 0000000000000004 R08: 00007ffc3d396c90 R09: 000000000001f815
R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000
R13: 00007ffc3d396c90 R14: 0000000000000003 R15: 0000000000200000
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..


---
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