loop7: detected capacity change from 0 to 1024
hfsplus: new node 0 already hashed?
------------[ cut here ]------------
WARNING: fs/hfsplus/bnode.c:631 at hfsplus_bnode_create+0x461/0x4f0 fs/hfsplus/bnode.c:631, CPU#0: syz.7.221/7453
Modules linked in:
CPU: 0 UID: 0 PID: 7453 Comm: syz.7.221 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:hfsplus_bnode_create+0x461/0x4f0 fs/hfsplus/bnode.c:631
Code: 22 8b 89 ee e8 80 6a 8e fe e9 cf fc ff ff e8 06 51 28 ff 4c 89 ef e8 0e 2e 56 08 48 c7 c7 00 14 22 8b 89 ee e8 60 6a 8e 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:ffffc900045dec60 EFLAGS: 00010246
RAX: 0000000000000023 RBX: ffff88801efd4000 RCX: f9544c436c76f000
RDX: ffffc9001279e000 RSI: 00000000000065bc RDI: 00000000000065bd
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff520008bbd3d R12: 0000000000000000
R13: ffff88801efd40d0 R14: ffff888038224a00 R15: dffffc0000000000
FS:  00007fe8d90266c0(0000) GS:ffff8881268d9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fed8b462000 CR3: 00000000530fe000 CR4: 00000000003526f0
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+0x338/0x490 fs/hfsplus/attributes.c:252
 __hfsplus_setxattr+0x717/0x25a0 fs/hfsplus/xattr.c:356
 hfsplus_initxattrs+0x1ae/0x280 fs/hfsplus/xattr_security.c:59
 security_inode_init_security+0x296/0x3d0 security/security.c:1344
 hfsplus_fill_super+0x140f/0x1ab0 fs/hfsplus/super.c:608
 get_tree_bdev_flags+0x431/0x4f0 fs/super.c:1691
 vfs_get_tree+0x92/0x2a0 fs/super.c:1751
 fc_mount fs/namespace.c:1199 [inline]
 do_new_mount_fc fs/namespace.c:3636 [inline]
 do_new_mount+0x329/0xa50 fs/namespace.c:3712
 do_mount fs/namespace.c:4035 [inline]
 __do_sys_mount fs/namespace.c:4224 [inline]
 __se_sys_mount+0x31d/0x420 fs/namespace.c:4201
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe8dadcbf4a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe8d9025e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fe8d9025ee0 RCX: 00007fe8dadcbf4a
RDX: 0000200000000340 RSI: 0000200000000380 RDI: 00007fe8d9025ea0
RBP: 0000200000000340 R08: 00007fe8d9025ee0 R09: 0000000000000004
R10: 0000000000000004 R11: 0000000000000246 R12: 0000200000000380
R13: 00007fe8d9025ea0 R14: 00000000000006fe R15: 0000200000000000
 </TASK>