Re: [syzbot] [hfs?] WARNING: ODEBUG bug in hfsplus_fill_super (3)

[syzbot <syzbot+dd02382b022192737ea3@syzkaller.appspotmail.com>]

syzbot has found a reproducer for the following issue on:

HEAD commit:    d1f2d51b711a Merge tag 'clk-fixes-for-linus' of git://git...
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=147f1ffb980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=58a85aa6925a8b78
dashboard link: https://syzkaller.appspot.com/bug?extid=dd02382b022192737ea3
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=11b6589f980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=127f1ffb980000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/8b52ee4d6014/disk-d1f2d51b.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/3409402d9dfd/vmlinux-d1f2d51b.xz
kernel image: https://storage.googleapis.com/syzbot-assets/7da5cc92617b/bzImage-d1f2d51b.xz
mounted in repro #1: https://storage.googleapis.com/syzbot-assets/73e23808204f/mount_3.gz
mounted in repro #2: https://storage.googleapis.com/syzbot-assets/0d235c82b3b0/mount_19.gz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+dd02382b022192737ea3@syzkaller.appspotmail.com

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ODEBUG: free active (active state 0) object: ffff88807c180238 object type: timer_list hint: delayed_sync_fs+0x0/0xf0
WARNING: CPU: 0 PID: 5700 at lib/debugobjects.c:518 debug_print_object+0x17a/0x1f0 lib/debugobjects.c:515
Modules linked in:
CPU: 0 UID: 0 PID: 5700 Comm: syz-executor651 Not tainted 6.11.0-rc6-syzkaller-00326-gd1f2d51b711a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:debug_print_object+0x17a/0x1f0 lib/debugobjects.c:515
Code: e8 0b 84 40 fd 4c 8b 0b 48 c7 c7 40 98 60 8c 48 8b 74 24 08 48 89 ea 44 89 e1 4d 89 f8 ff 34 24 e8 fb 60 9b fc 48 83 c4 08 90 <0f> 0b 90 90 ff 05 ec 59 5e 0b 48 83 c4 10 5b 41 5c 41 5d 41 5e 41
RSP: 0018:ffffc9000324f5b8 EFLAGS: 00010286
RAX: 098b313f44a3ce00 RBX: ffffffff8c0cc1a0 RCX: ffff888027455a00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffffff8c6099c0 R08: ffffffff8155b372 R09: fffffbfff1cfa0e0
R10: dffffc0000000000 R11: fffffbfff1cfa0e0 R12: 0000000000000000
R13: ffffffff8c6098d8 R14: dffffc0000000000 R15: ffff88807c180238
FS:  00007f7e074f76c0(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000680 CR3: 0000000024282000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 __debug_check_no_obj_freed lib/debugobjects.c:990 [inline]
 debug_check_no_obj_freed+0x45b/0x580 lib/debugobjects.c:1020
 slab_free_hook mm/slub.c:2223 [inline]
 slab_free mm/slub.c:4477 [inline]
 kfree+0x10f/0x360 mm/slub.c:4598
 hfsplus_fill_super+0xf25/0x1ca0 fs/hfsplus/super.c:618
 mount_bdev+0x20c/0x2d0 fs/super.c:1679
 legacy_get_tree+0xf0/0x190 fs/fs_context.c:662
 vfs_get_tree+0x92/0x2b0 fs/super.c:1800
 do_new_mount+0x2be/0xb40 fs/namespace.c:3472
 do_mount fs/namespace.c:3812 [inline]
 __do_sys_mount fs/namespace.c:4020 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3997
 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: 0033:0x7f7e0756d80a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 ee 08 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7e074f6f98 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020002900 RCX: 00007f7e0756d80a
RDX: 0000000020000100 RSI: 0000000020002900 RDI: 00007f7e074f6ff0
RBP: 0000000020000100 R08: 00007f7e074f7030 R09: 00000000000006ca
R10: 0000000002000010 R11: 0000000000000286 R12: 00007f7e074f6ff0
R13: 00007f7e074f7030 R14: 00000000000006d0 R15: 00000000200022c0
 </TASK>


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