[v5.15] kernel BUG in hfs_btree_open (3)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 284087d4f7d5 Linux 5.15.158
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1716bc97180000
kernel config: https://syzkaller.appspot.com/x/.config?x=b0dd54e4b5171ebc
dashboard link: https://syzkaller.appspot.com/bug?extid=f54cf00e31bb1f26d550
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/c2e33c1db6bf/disk-284087d4.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/d9f77284af1d/vmlinux-284087d4.xz
kernel image: https://storage.googleapis.com/syzbot-assets/a600323dd149/bzImage-284087d4.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+f54cf0...@syzkaller.appspotmail.com

------------[ cut here ]------------
kernel BUG at fs/hfs/btree.c:41!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4764 Comm: syz-executor.2 Not tainted 5.15.158-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:hfs_btree_open+0x1002/0x1140 fs/hfs/btree.c:41
Code: 86 ff e9 e4 f9 ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 01 fa ff ff 4c 89 f7 e8 88 a6 86 ff e9 f4 f9 ff ff e8 fe cd 3c ff <0f> 0b e8 f7 cd 3c ff 0f 0b 49 89 ee 48 89 e8 48 c1 e8 03 42 80 3c
RSP: 0018:ffffc90004567798 EFLAGS: 00010283
RAX: ffffffff82438ec2 RBX: ffff88805e076880 RCX: 0000000000040000
RDX: ffffc900034aa000 RSI: 000000000000ebdb RDI: 000000000000ebdc
RBP: 0000000000000000 R08: ffffffff82438023 R09: ffffed100bc0ed2c
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888079654000
R13: ffff88807ba88008 R14: ffff88807ba88000 R15: dffffc0000000000
FS: 00007f87251b06c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6aeadcc000 CR3: 0000000075bac000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
hfs_mdb_get+0x1463/0x21d0 fs/hfs/mdb.c:199
hfs_fill_super+0x100c/0x1730 fs/hfs/super.c:406
mount_bdev+0x2c9/0x3f0 fs/super.c:1387
legacy_get_tree+0xeb/0x180 fs/fs_context.c:611
vfs_get_tree+0x88/0x270 fs/super.c:1517
do_new_mount+0x2ba/0xb40 fs/namespace.c:3005
do_mount fs/namespace.c:3348 [inline]
__do_sys_mount fs/namespace.c:3556 [inline]
__se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3533
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f8726c3f3aa
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 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:00007f87251afef8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f87251aff80 RCX: 00007f8726c3f3aa
RDX: 0000000020000100 RSI: 0000000020000040 RDI: 00007f87251aff40
RBP: 0000000020000100 R08: 00007f87251aff80 R09: 0000000001008011
R10: 0000000001008011 R11: 0000000000000202 R12: 0000000020000040
R13: 00007f87251aff40 R14: 0000000000000297 R15: 00000000200031c0
</TASK>
Modules linked in:
---[ end trace 8185d4dcf3388caf ]---
RIP: 0010:hfs_btree_open+0x1002/0x1140 fs/hfs/btree.c:41
Code: 86 ff e9 e4 f9 ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 01 fa ff ff 4c 89 f7 e8 88 a6 86 ff e9 f4 f9 ff ff e8 fe cd 3c ff <0f> 0b e8 f7 cd 3c ff 0f 0b 49 89 ee 48 89 e8 48 c1 e8 03 42 80 3c
RSP: 0018:ffffc90004567798 EFLAGS: 00010283
RAX: ffffffff82438ec2 RBX: ffff88805e076880 RCX: 0000000000040000
RDX: ffffc900034aa000 RSI: 000000000000ebdb RDI: 000000000000ebdc
RBP: 0000000000000000 R08: ffffffff82438023 R09: ffffed100bc0ed2c
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888079654000
R13: ffff88807ba88008 R14: ffff88807ba88000 R15: dffffc0000000000
FS: 00007f87251b06c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd532975068 CR3: 0000000075bac000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400


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