loop6: detected capacity change from 0 to 64 hfs: new node 4 already hashed? ------------[ cut here ]------------ 1 WARNING: fs/hfs/bnode.c:478 at hfs_bnode_create+0x45a/0x4e0 fs/hfs/bnode.c:478, CPU#0: syz.6.828/15909 Modules linked in: CPU: 0 UID: 0 PID: 15909 Comm: syz.6.828 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:hfs_bnode_create+0x45a/0x4e0 fs/hfs/bnode.c:478 Code: 89 8b 89 ee e8 c7 7c 77 fe e9 d6 fc ff ff e8 cd cb 16 ff 4c 89 ef e8 05 b3 aa 08 48 c7 c7 00 5f 89 8b 89 ee e8 a7 7c 77 fe 90 <0f> 0b 90 eb b0 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c dd fb ff ff RSP: 0018:ffffc90004a07448 EFLAGS: 00010246 RAX: 000000000000001f RBX: ffff888035c24000 RCX: 4969b33f26780700 RDX: ffffc9000f399000 RSI: 0000000000000d4d RDI: 0000000000000d4e RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52000940e39 R12: 0000000000000004 R13: ffff888035c240d0 R14: ffff88803dacfe00 R15: dffffc0000000000 FS: 00007f02f86666c0(0000) GS:ffff888125bc4000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f17db5e60a0 CR3: 000000002e0d6000 CR4: 00000000003526f0 Call Trace: hfs_bnode_split+0xd4/0x1070 fs/hfsplus/brec.c:-1 hfs_brec_insert+0x3a4/0xc80 fs/hfs/brec.c:102 hfs_cat_create+0x537/0x870 fs/hfs/catalog.c:131 hfs_create+0x78/0xe0 fs/hfs/dir.c:196 lookup_open+0xc17/0x1a60 fs/namei.c:4567 open_last_lookups fs/namei.c:4767 [inline] path_openat+0x67c/0x1d60 fs/namei.c:4997 do_file_open+0x23e/0x4a0 fs/namei.c:5029 do_sys_openat2+0x115/0x200 fs/open.c:1417 do_sys_open fs/open.c:1423 [inline] __do_sys_openat fs/open.c:1439 [inline] __se_sys_openat fs/open.c:1434 [inline] __x64_sys_openat+0x138/0x170 fs/open.c:1434 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f02fa40e159 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:00007f02f8666028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f02fa695fa0 RCX: 00007f02fa40e159 RDX: 0000000000000042 RSI: 0000200000000080 RDI: ffffffffffffff9c RBP: 00007f02fa4a506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f02fa696038 R14: 00007f02fa695fa0 R15: 00007ffd122033f8