syzbot

loop0: detected capacity change from 0 to 1024
hfsplus: new node 0 already hashed?
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5081 at fs/hfsplus/bnode.c:573 hfsplus_bnode_create+0x3b6/0x440 fs/hfsplus/bnode.c:573
Modules linked in:
CPU: 0 PID: 5081 Comm: syz-executor306 Not tainted 6.9.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:hfsplus_bnode_create+0x3b6/0x440 fs/hfsplus/bnode.c:573
Code: 44 89 e6 e8 9c 86 f7 08 e9 78 fd ff ff e8 92 15 19 ff 4c 89 ff e8 3a 53 05 09 48 c7 c7 80 37 e1 8b 44 89 e6 e8 7b 86 f7 08 90 <0f> 0b 90 eb af 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 83 fc ff ff 48
RSP: 0018:ffffc900035e7658 EFLAGS: 00010246
RAX: 0000000000000023 RBX: ffff88802efaa400 RCX: 25d0f5ec2a9b5900
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8176adac R09: 1ffff920006bce6c
R10: dffffc0000000000 R11: fffff520006bce6d R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888024212000 R15: ffff8880242120e0
FS:  000055555f599380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000066c7e0 CR3: 00000000235a4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfsplus_bmap_alloc+0x59a/0x640 fs/hfsplus/btree.c:415
 hfs_btree_inc_height+0x11e/0xdc0 fs/hfsplus/brec.c:475
 hfsplus_brec_insert+0x166/0xde0 fs/hfsplus/brec.c:75
 __hfsplus_ext_write_extent+0x36b/0x5c0 fs/hfsplus/extents.c:107
 __hfsplus_ext_cache_extent+0x84/0xe10 fs/hfsplus/extents.c:186
 hfsplus_file_truncate+0x4cd/0xb50 fs/hfsplus/extents.c:598
 hfsplus_setattr+0x1ce/0x280 fs/hfsplus/inode.c:265
 notify_change+0xb9d/0xe70 fs/attr.c:497
 do_truncate fs/open.c:65 [inline]
 do_ftruncate+0x46b/0x590 fs/open.c:181
 do_sys_ftruncate fs/open.c:199 [inline]
 __do_sys_ftruncate fs/open.c:207 [inline]
 __se_sys_ftruncate fs/open.c:205 [inline]
 __x64_sys_ftruncate+0x95/0xf0 fs/open.c:205
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1b7510b639
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:00007ffedeb9f098 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 00007ffedeb9f268 RCX: 00007f1b7510b639
RDX: 00007f1b751469f3 RSI: 000000000000c17a RDI: 0000000000000004
RBP: 00007f1b7517f610 R08: 0000000000000000 R09: 00007ffedeb9f268
R10: 00000000000006e8 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffedeb9f258 R14: 0000000000000001 R15: 0000000000000001
 </TASK>