loop0: detected capacity change from 0 to 1024
hfsplus: new node 0 already hashed?
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6780 at fs/hfsplus/bnode.c:630 hfsplus_bnode_create+0x37a/0x400 fs/hfsplus/bnode.c:629
Modules linked in:
CPU: 1 PID: 6780 Comm: syz.0.432 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:hfsplus_bnode_create+0x37a/0x400 fs/hfsplus/bnode.c:630
Code: 83 82 8a 89 ee e8 16 a8 bf 07 e9 ab fd ff ff e8 cc 21 3b ff 48 89 df e8 a4 be d4 07 48 c7 c7 60 83 82 8a 89 ee e8 f6 a7 bf 07 <0f> 0b eb b7 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c b7 fc ff ff 4c
RSP: 0018:ffffc90003f770c0 EFLAGS: 00010246
RAX: 0000000000000023 RBX: ffff888072cc40e0 RCX: a0dca64e63253200
RDX: ffffc90006039000 RSI: 00000000000061d1 RDI: 00000000000061d2
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffff520007eedb9
R10: fffff520007eedb9 R11: 1ffff920007eedb8 R12: 0000000000000000
R13: ffff888072cc4000 R14: ffff88814d921400 R15: dffffc0000000000
FS:  00007f14ec5c06c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8300557000 CR3: 000000007ddee000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfsplus_bmap_alloc+0x609/0x9b0 fs/hfsplus/btree.c:421
 hfs_bnode_split+0xc9/0xee0 fs/hfsplus/brec.c:245
 hfsplus_brec_insert+0x38b/0xcc0 fs/hfsplus/brec.c:100
 hfsplus_create_cat+0x3b0/0x1020 fs/hfsplus/catalog.c:292
 hfsplus_fill_super+0x12f6/0x1b90 fs/hfsplus/super.c:573
 mount_bdev+0x287/0x3c0 fs/super.c:1443
 legacy_get_tree+0xe6/0x180 fs/fs_context.c:632
 vfs_get_tree+0x88/0x270 fs/super.c:1573
 do_new_mount+0x24a/0xa40 fs/namespace.c:3078
 do_mount fs/namespace.c:3421 [inline]
 __do_sys_mount fs/namespace.c:3629 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3606
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f14eb790eea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f14ec5bfe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f14ec5bfef0 RCX: 00007f14eb790eea
RDX: 0000200000000100 RSI: 0000200000002900 RDI: 00007f14ec5bfeb0
RBP: 0000200000000100 R08: 00007f14ec5bfef0 R09: 0000000002000000
R10: 0000000002000000 R11: 0000000000000246 R12: 0000200000002900
R13: 00007f14ec5bfeb0 R14: 00000000000006d6 R15: 00002000000022c0
 </TASK>