hfsplus: trying to free free bnode 0(1)
hfsplus: b-tree write err: -5, ino 2
hfsplus: new node 0 already hashed?
------------[ cut here ]------------
1
WARNING: fs/hfsplus/bnode.c:631 at hfsplus_bnode_create+0x45d/0x4f0 fs/hfsplus/bnode.c:631, CPU#0: syz.3.4/5966
Modules linked in:
CPU: 0 UID: 0 PID: 5966 Comm: syz.3.4 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:hfsplus_bnode_create+0x45d/0x4f0 fs/hfsplus/bnode.c:631
Code: e7 8b 89 ee e8 b4 ed 7a fe e9 cf fc ff ff e8 6a bf 18 ff 4c 89 f7 e8 a2 f3 02 09 48 c7 c7 e0 95 e7 8b 89 ee e8 94 ed 7a fe 90 <0f> 0b 90 49 c7 c5 ef ff ff ff eb a9 44 89 f9 80 e1 07 80 c1 03 38
RSP: 0018:ffffc900048aef80 EFLAGS: 00010246
RAX: 0000000000000023 RBX: dffffc0000000000 RCX: 3cf3379c51c12400
RDX: ffffc9000f032000 RSI: 0000000000002be7 RDI: 0000000000002be8
RBP: 0000000000000000 R08: ffff8880b86247d3 R09: 1ffff110170c48fa
R10: dffffc0000000000 R11: ffffed10170c48fb R12: 0000000000000000
R13: ffff888030796000 R14: ffff8880307960e0 R15: ffff888029b61600
FS:  00007fbb1191d6c0(0000) GS:ffff888125464000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c386cb0 CR3: 000000007731e000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 hfsplus_bmap_alloc+0x747/0xb00 fs/hfsplus/btree.c:421
 hfs_btree_inc_height+0x10c/0xb80 fs/hfsplus/brec.c:475
 hfsplus_brec_insert+0x13f/0xd70 fs/hfsplus/brec.c:75
 hfsplus_create_attr_nolock+0x1cb/0x5e0 fs/hfsplus/attributes.c:238
 hfsplus_create_attr+0x213/0x3a0 fs/hfsplus/attributes.c:279
 __hfsplus_setxattr+0x681/0x2610 fs/hfsplus/xattr.c:366
 __vfs_setxattr+0x43c/0x480 fs/xattr.c:200
 __vfs_setxattr_noperm+0x12d/0x660 fs/xattr.c:234
 vfs_setxattr+0x163/0x360 fs/xattr.c:321
 do_setxattr fs/xattr.c:636 [inline]
 filename_setxattr+0x296/0x630 fs/xattr.c:664
 path_setxattrat+0x3eb/0x440 fs/xattr.c:708
 __do_sys_setxattr fs/xattr.c:742 [inline]
 __se_sys_setxattr fs/xattr.c:738 [inline]
 __x64_sys_setxattr+0xbc/0xe0 fs/xattr.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbb1099c629
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbb1191d028 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007fbb10c15fa0 RCX: 00007fbb1099c629
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000200000000040
RBP: 00007fbb10a32b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbb10c16038 R14: 00007fbb10c15fa0 R15: 00007ffffbd5a728
 </TASK>