loop0: detected capacity change from 0 to 1024
hfsplus: found bad thread record in catalog
hfsplus: new node 0 already hashed?
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5325 at fs/hfsplus/bnode.c:579 hfsplus_bnode_create+0x461/0x4f0 fs/hfsplus/bnode.c:579
Modules linked in:
CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted 6.15.0-syzkaller-13743-g8630c59e9936 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:hfsplus_bnode_create+0x461/0x4f0 fs/hfsplus/bnode.c:579
Code: a1 8b 89 ee e8 10 94 8f fe e9 cf fc ff ff e8 e6 63 28 ff 4c 89 ef e8 4e 80 d0 08 48 c7 c7 60 b0 a1 8b 89 ee e8 f0 93 8f fe 90 <0f> 0b 90 eb b0 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c d6 fb ff ff
RSP: 0018:ffffc9000d426e00 EFLAGS: 00010246
RAX: 0000000000000023 RBX: ffff8880433b4000 RCX: 476ebe319ae16000
RDX: ffffc9000e653000 RSI: 0000000000003881 RDI: 0000000000003882
RBP: 0000000000000000 R08: ffffc9000d426b27 R09: 1ffff92001a84d64
R10: dffffc0000000000 R11: fffff52001a84d65 R12: 0000000000000000
R13: ffff8880433b40e0 R14: ffff888032fb5900 R15: dffffc0000000000
FS:  00007faad879d6c0(0000) GS:ffff88808d252000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000000c000 CR3: 000000003f5c8000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfsplus_bmap_alloc+0x5af/0x640 fs/hfsplus/btree.c:415
 hfs_btree_inc_height+0xf6/0xb60 fs/hfsplus/brec.c:475
 hfsplus_brec_insert+0x12d/0xcc0 fs/hfsplus/brec.c:75
 __hfsplus_ext_write_extent+0x353/0x5b0 fs/hfsplus/extents.c:107
 __hfsplus_ext_cache_extent+0x89/0xe30 fs/hfsplus/extents.c:186
 hfsplus_ext_read_extent fs/hfsplus/extents.c:218 [inline]
 hfsplus_file_extend+0x444/0x1990 fs/hfsplus/extents.c:462
 hfsplus_get_block+0x411/0x1530 fs/hfsplus/extents.c:245
 __block_write_begin_int+0x6b5/0x1900 fs/buffer.c:2151
 block_write_begin fs/buffer.c:2262 [inline]
 cont_write_begin+0x789/0xb50 fs/buffer.c:2601
 hfsplus_write_begin+0x66/0xb0 fs/hfsplus/inode.c:46
 generic_perform_write+0x2c7/0x910 mm/filemap.c:4112
 generic_file_write_iter+0x10f/0x540 mm/filemap.c:4255
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x54b/0xa90 fs/read_write.c:686
 ksys_write+0x145/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7faad798e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007faad879d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007faad7bb6080 RCX: 00007faad798e929
RDX: 00000000ffffff6a RSI: 0000200000000000 RDI: 0000000000000006
RBP: 00007faad7a10b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007faad7bb6080 R15: 00007fff7428c348
 </TASK>