hfs: new node 4 already hashed?
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1
WARNING: fs/hfs/bnode.c:520 at hfs_bnode_create+0x45a/0x4e0 fs/hfs/bnode.c:520, CPU#1: syz.4.329/7204
Modules linked in:
CPU: 1 UID: 0 PID: 7204 Comm: syz.4.329 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:hfs_bnode_create+0x45a/0x4e0 fs/hfs/bnode.c:520
Code: e8 8b 89 ee e8 67 77 73 fe e9 d6 fc ff ff e8 4d 39 12 ff 4c 89 ef e8 f5 13 02 09 48 c7 c7 a0 ae e8 8b 89 ee e8 47 77 73 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:ffffc9000447f4e8 EFLAGS: 00010246
RAX: 000000000000001f RBX: ffff888022316000 RCX: 5310d57f6a1d6b00
RDX: ffffc9000f41a000 RSI: 00000000000037b8 RDI: 00000000000037b9
RBP: 0000000000000004 R08: ffffc9000447f267 R09: 1ffff9200088fe4c
R10: dffffc0000000000 R11: fffff5200088fe4d R12: 0000000000000004
R13: ffff8880223160d8 R14: ffff8880320db600 R15: dffffc0000000000
FS:  00007fc78d9b86c0(0000) GS:ffff888125326000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000052087000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 hfs_bmap_alloc+0x5bd/0x650 fs/hfs/btree.c:326
 hfs_bnode_split+0xd4/0x1070 fs/hfsplus/brec.c:-1
 hfs_brec_insert+0x3a4/0xc80 fs/hfs/brec.c:102
 hfs_cat_move+0x59f/0xbc0 fs/hfs/catalog.c:450
 hfs_rename+0x117/0x1f0 fs/hfs/dir.c:300
 vfs_rename+0xbd9/0xef0 fs/namei.c:6070
 filename_renameat2+0x533/0x9a0 fs/namei.c:6188
 __do_sys_rename fs/namei.c:6232 [inline]
 __se_sys_rename+0x55/0x2c0 fs/namei.c:6228
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc78cb9ce59
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:00007fc78d9b8028 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007fc78ce16090 RCX: 00007fc78cb9ce59
RDX: 0000000000000000 RSI: 0000200000001900 RDI: 0000200000000140
RBP: 00007fc78cc32e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc78ce16128 R14: 00007fc78ce16090 R15: 00007fffc95e2e78
 </TASK>