Message-ID: <66ebefad.050a0220.92ef1.0019.GAE@google.com>
Date: Thu, 19 Sep 2024 02:32:29 -0700
From: syzbot <syzbot+2e842ec1beb075a25865@...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?] INFO: trying to register non-static key in
 ntfs3_setattr (2)

Hello,

syzbot found the following issue on:

HEAD commit:    0babf683783d Merge tag 'pinctrl-v6.11-4' of git://git.kern..
git tree:       upstream
console+strace: https://syzkaller.appspot.com/x/log.txt?x=1417bc77980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=1c9e296880039df9
dashboard link: https://syzkaller.appspot.com/bug?extid=2e842ec1beb075a25865
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=10b9b0a9980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=155e9900580000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/aab0f0b09dd6/disk-0babf683.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/b97896b7812c/vmlinux-0babf683.xz
kernel image: https://storage.googleapis.com/syzbot-assets/340ce283efd3/bzImage-0babf683.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/282ca00a7cb2/mount_0.gz

The issue was bisected to:

commit 24c5100aceedcd47af89aaa404d4c96cd2837523
Author: Konstantin Komarov <almaz.alexandrovich@...agon-software.com>
Date:   Tue Jun 4 07:41:39 2024 +0000

    fs/ntfs3: Fix getting file type

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=12b748a9980000
final oops:     https://syzkaller.appspot.com/x/report.txt?x=11b748a9980000
console output: https://syzkaller.appspot.com/x/log.txt?x=16b748a9980000

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2e842ec1beb075a25865@...kaller.appspotmail.com
Fixes: 24c5100aceed ("fs/ntfs3: Fix getting file type")

ntfs3: loop0: ino=0, ntfs_iget5
ntfs3: loop0: Mark volume as dirty due to NTFS errors
ntfs3: loop0: failed to convert "046c" to maccroatian
INFO: trying to register non-static key.
The code is fine but needs lockdep annotation, or maybe
you didn't initialize this object before use?
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 5224 Comm: syz-executor352 Not tainted 6.11.0-rc7-syzkaller-00149-g0babf683783d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:93 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119
 assign_lock_key+0x238/0x270 kernel/locking/lockdep.c:975
 register_lock_class+0x1cf/0x980 kernel/locking/lockdep.c:1288
 __lock_acquire+0xf0/0x2040 kernel/locking/lockdep.c:5019
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5759
 down_write+0x99/0x220 kernel/locking/rwsem.c:1579
 ntfs_truncate fs/ntfs3/file.c:458 [inline]
 ntfs3_setattr+0x6d3/0xb80 fs/ntfs3/file.c:775
 notify_change+0xbca/0xe90 fs/attr.c:503
 do_truncate+0x220/0x310 fs/open.c:65
 vfs_truncate+0x2e1/0x3b0 fs/open.c:111
 do_sys_truncate+0xdb/0x190 fs/open.c:134
 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: 0033:0x7f43d7bf8779
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007fffda6ccac8 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007fffda6ccc98 RCX: 00007f43d7bf8779
RDX: 00007f43d7bf8779 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007f43d7c8b610 R08: 00007fffda6ccc98 R09: 00007fffda6ccc98
R10: 00007fffda6ccc98 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffda6ccc88 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
------------[ cut here ]------------
DEBUG_RWSEMS_WARN_ON(sem->magic != sem): count = 0x1, magic = 0x0, owner = 0xffff88802f4f9e00, curr 0xffff88802f4f9e00, list not empty
WARNING: CPU: 0 PID: 5224 at kernel/locking/rwsem.c:1364 __up_write kernel/locking/rwsem.c:1364 [inline]
WARNING: CPU: 0 PID: 5224 at kernel/locking/rwsem.c:1364 up_write+0x412/0x590 kernel/locking/rwsem.c:1632
Modules linked in:
CPU: 0 UID: 0 PID: 5224 Comm: syz-executor352 Not tainted 6.11.0-rc7-syzkaller-00149-g0babf683783d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:__up_write kernel/locking/rwsem.c:1364 [inline]
RIP: 0010:up_write+0x412/0x590 kernel/locking/rwsem.c:1632
Code: c7 c7 a0 c8 ea 8b 48 c7 c6 80 ca ea 8b 48 89 da 48 8b 4c 24 20 4c 8b 44 24 30 4c 8b 4c 24 28 50 e8 63 9c e6 ff 48 83 c4 08 90 <0f> 0b 90 90 e9 b6 fc ff ff 90 0f 0b 90 e9 2a fd ff ff 48 89 5c 24
RSP: 0018:ffffc9000346fa00 EFLAGS: 00010296
RAX: cfd9eb2aab6fe000 RBX: 0000000000000001 RCX: ffff88802f4f9e00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000346fad0 R08: ffffffff8155b292 R09: fffffbfff1cba0e0
R10: dffffc0000000000 R11: fffffbfff1cba0e0 R12: ffff88807b7288f0
R13: ffff88807b728898 R14: 1ffff9200068df48 R15: dffffc0000000000
FS:  000055556efe7380(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001000 CR3: 0000000078130000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ntfs_truncate fs/ntfs3/file.c:461 [inline]
 ntfs3_setattr+0x7b5/0xb80 fs/ntfs3/file.c:775
 notify_change+0xbca/0xe90 fs/attr.c:503
 do_truncate+0x220/0x310 fs/open.c:65
 vfs_truncate+0x2e1/0x3b0 fs/open.c:111
 do_sys_truncate+0xdb/0x190 fs/open.c:134
 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: 0033:0x7f43d7bf8779
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007fffda6ccac8 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007fffda6ccc98 RCX: 00007f43d7bf8779
RDX: 00007f43d7bf8779 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007f43d7c8b610 R08: 00007fffda6ccc98 R09: 00007fffda6ccc98
R10: 00007fffda6ccc98 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffda6ccc88 R14: 0000000000000001 R15: 0000000000000001
 </TASK>


---
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