linux-kernel - [syzbot] INFO: trying to register non-static key in hfsplus_release

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Message-ID: <0000000000001897ea05ee9937c0@google.com>
Date:   Tue, 29 Nov 2022 02:11:45 -0800
From:   syzbot <syzbot+91db21a2bf0e12eb92fd@...kaller.appspotmail.com>
To:     damien.lemoal@...nsource.wdc.com, jlayton@...nel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com, willy@...radead.org
Subject: [syzbot] INFO: trying to register non-static key in hfsplus_release_folio

Hello,

syzbot found the following issue on:

HEAD commit:    6d464646530f Merge branch 'for-next/core' into for-kernelci
git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci
console output: https://syzkaller.appspot.com/x/log.txt?x=124d67c3880000
kernel config:  https://syzkaller.appspot.com/x/.config?x=54b747d981acc7b7
dashboard link: https://syzkaller.appspot.com/bug?extid=91db21a2bf0e12eb92fd
compiler:       Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
userspace arch: arm64
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=170746ad880000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=149dfd75880000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/d75f5f77b3a3/disk-6d464646.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/9382f86e4d95/vmlinux-6d464646.xz
kernel image: https://storage.googleapis.com/syzbot-assets/cf2b5f0d51dd/Image-6d464646.gz.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/6bdbba5eb556/mount_0.gz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+91db21a2bf0e12eb92fd@...kaller.appspotmail.com

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: 1 PID: 3072 Comm: syz-executor123 Not tainted 6.1.0-rc6-syzkaller-32662-g6d464646530f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022
Call trace:
 dump_backtrace+0x1c4/0x1f0 arch/arm64/kernel/stacktrace.c:156
 show_stack+0x2c/0x54 arch/arm64/kernel/stacktrace.c:163
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x104/0x16c lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 assign_lock_key+0x134/0x140 kernel/locking/lockdep.c:981
 register_lock_class+0xc4/0x2f8 kernel/locking/lockdep.c:1294
 __lock_acquire+0xa8/0x3084 kernel/locking/lockdep.c:4934
 lock_acquire+0x100/0x1f8 kernel/locking/lockdep.c:5668
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x54/0x6c kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:350 [inline]
 hfsplus_release_folio+0x12c/0x214 fs/hfsplus/inode.c:110
 filemap_release_folio+0xc0/0x238 mm/filemap.c:3948
 block_invalidate_folio+0x1f4/0x3c4 fs/buffer.c:1526
 folio_invalidate mm/truncate.c:159 [inline]
 truncate_cleanup_folio+0xd4/0x334 mm/truncate.c:179
 truncate_inode_pages_range+0x148/0xb8c mm/truncate.c:369
 truncate_inode_pages mm/truncate.c:452 [inline]
 truncate_inode_pages_final+0x8c/0x9c mm/truncate.c:487
 hfsplus_evict_inode+0x20/0x68 fs/hfsplus/super.c:168
 evict+0xec/0x334 fs/inode.c:664
 iput_final fs/inode.c:1747 [inline]
 iput+0x2c4/0x324 fs/inode.c:1773
 hfsplus_put_super+0xb4/0xec fs/hfsplus/super.c:302
 generic_shutdown_super+0x94/0x198 fs/super.c:492
 kill_block_super+0x30/0x78 fs/super.c:1428
 deactivate_locked_super+0x70/0xe8 fs/super.c:332
 deactivate_super+0xd0/0xd4 fs/super.c:363
 cleanup_mnt+0x184/0x1c0 fs/namespace.c:1186
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193
 task_work_run+0x100/0x148 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x174/0x1f0 arch/arm64/kernel/signal.c:1127
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x9c/0x150 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584
hfsplus: request for non-existent node 0 in B*Tree

---
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