[v5.15] kernel BUG in hfs_btree_open (2)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: b911329317b4 Linux 5.15.133
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=14c7a992680000
kernel config: https://syzkaller.appspot.com/x/.config?x=a9c9f0083f439f72
dashboard link: https://syzkaller.appspot.com/bug?extid=7af79f563c22e43a29e9
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/46530025981a/disk-b9113293.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/d27830145a50/vmlinux-b9113293.xz
kernel image: https://storage.googleapis.com/syzbot-assets/ee1d0b88a1d9/bzImage-b9113293.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+7af79f...@syzkaller.appspotmail.com

------------[ cut here ]------------
kernel BUG at fs/hfs/btree.c:41!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 29351 Comm: syz-executor.4 Not tainted 5.15.133-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:hfs_btree_open+0x1002/0x1140 fs/hfs/btree.c:41
Code: 87 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 f8 36 87 ff e9 f4 f9 ff ff e8 3e 8f 3d ff <0f> 0b e8 37 8f 3d ff 0f 0b 49 89 ee 48 89 e8 48 c1 e8 03 42 80 3c
RSP: 0018:ffffc90003c8f798 EFLAGS: 00010283
RAX: ffffffff82428e12 RBX: ffff888084b72600 RCX: 0000000000040000
RDX: ffffc9000bb42000 RSI: 00000000000032fd RDI: 00000000000032fe
RBP: 0000000000000000 R08: ffffffff82427f73 R09: ffffed101096e4dc
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88803b068000
R13: ffff8880737aa008 R14: ffff8880737aa000 R15: dffffc0000000000
FS: 00007f615d8b26c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8a425fe018 CR3: 000000003bf2f000 CR4: 00000000003506f0
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+0x28b/0xae0 fs/namespace.c:2994
do_mount fs/namespace.c:3337 [inline]
__do_sys_mount fs/namespace.c:3545 [inline]
__se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3522
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f615f3321ea
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:00007f615d8b1ee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f615d8b1f80 RCX: 00007f615f3321ea
RDX: 0000000020000080 RSI: 0000000020000180 RDI: 00007f615d8b1f40
RBP: 0000000020000080 R08: 00007f615d8b1f80 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000180
R13: 00007f615d8b1f40 R14: 00000000000002c9 R15: 0000000020000300
</TASK>
Modules linked in:
---[ end trace 48d9092b08419092 ]---
RIP: 0010:hfs_btree_open+0x1002/0x1140 fs/hfs/btree.c:41
Code: 87 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 f8 36 87 ff e9 f4 f9 ff ff e8 3e 8f 3d ff <0f> 0b e8 37 8f 3d ff 0f 0b 49 89 ee 48 89 e8 48 c1 e8 03 42 80 3c
RSP: 0018:ffffc90003c8f798 EFLAGS: 00010283
RAX: ffffffff82428e12 RBX: ffff888084b72600 RCX: 0000000000040000
RDX: ffffc9000bb42000 RSI: 00000000000032fd RDI: 00000000000032fe
RBP: 0000000000000000 R08: ffffffff82427f73 R09: ffffed101096e4dc
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88803b068000
R13: ffff8880737aa008 R14: ffff8880737aa000 R15: dffffc0000000000
FS: 00007f615d8b26c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5aa16ac723 CR3: 000000003bf2f000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400


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[syzbot]

Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.