loop2: detected capacity change from 0 to 64 hfs: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7128 at fs/hfs/bnode.c:428 hfs_bnode_create+0x461/0x4f0 fs/hfs/bnode.c:428 Modules linked in: CPU: 1 UID: 0 PID: 7128 Comm: syz.2.154 Not tainted 6.15.0-syzkaller-10402-g4cb6c8af8591 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:hfs_bnode_create+0x461/0x4f0 fs/hfs/bnode.c:428 Code: a1 8b 89 ee e8 d0 8a 90 fe e9 cf fc ff ff e8 b6 3f 29 ff 4c 89 ef e8 5e f8 c7 08 48 c7 c7 a0 a5 a1 8b 89 ee e8 b0 8a 90 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:ffffc9000b857740 EFLAGS: 00010246 RAX: 000000000000001f RBX: ffff888028f50000 RCX: 8d4845721dd24800 RDX: ffffc9000c6db000 RSI: 0000000000005b12 RDI: 0000000000005b13 RBP: 0000000000000000 R08: ffffc9000b857427 R09: 1ffff9200170ae84 R10: dffffc0000000000 R11: fffff5200170ae85 R12: 0000000000000000 R13: ffff888028f500e0 R14: ffff8880312cce00 R15: dffffc0000000000 FS: 00007f838ba2f6c0(0000) GS:ffff888125d99000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555591142608 CR3: 000000006852a000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hfs_bmap_alloc+0x5bb/0x640 fs/hfs/btree.c:291 hfs_bnode_split+0xcc/0xef0 fs/hfsplus/brec.c:245 hfs_brec_insert+0x377/0xbd0 fs/hfs/brec.c:102 hfs_cat_create+0x461/0x640 fs/hfs/catalog.c:131 hfs_create+0x66/0xe0 fs/hfs/dir.c:202 vfs_create+0x24e/0x400 fs/namei.c:3405 do_mknodat+0x3c6/0x4d0 fs/namei.c:4285 __do_sys_mknod fs/namei.c:4318 [inline] __se_sys_mknod fs/namei.c:4316 [inline] __x64_sys_mknod+0x8c/0xa0 fs/namei.c:4316 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: 0033:0x7f838ab8e969 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:00007f838ba2f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000085 RAX: ffffffffffffffda RBX: 00007f838adb5fa0 RCX: 00007f838ab8e969 RDX: 0000000000000705 RSI: 0000000000000000 RDI: 0000200000000000 RBP: 00007f838ac10ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f838adb5fa0 R15: 00007ffd4b12fae8