loop4: rw=2049, sector=295, nr_sectors = 7 limit=64
hfs: new node 4 already hashed?
------------[ cut here ]------------
1
WARNING: fs/hfs/bnode.c:520 at hfs_bnode_create+0x45a/0x4e0, CPU#1: syz.4.399/8926
Modules linked in:
CPU: 1 UID: 0 PID: 8926 Comm: syz.4.399 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:hfs_bnode_create+0x45a/0x4e0
Code: e8 8b 89 ee e8 47 cd 73 fe e9 d6 fc ff ff e8 dd 4e 12 ff 4c 89 ef e8 c5 5a 01 09 48 c7 c7 60 9c e8 8b 89 ee e8 27 cd 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:ffffc9000673f408 EFLAGS: 00010246
RAX: 000000000000001f RBX: ffff8881bdcde000 RCX: 9a7576016b9db200
RDX: ffffc900213bb000 RSI: 0000000000000c89 RDI: 0000000000000c8a
RBP: 0000000000000004 R08: ffff88823c624713 R09: 1ffff110478c48e2
R10: dffffc0000000000 R11: ffffed10478c48e3 R12: 0000000000000004
R13: ffff8881bdcde0d8 R14: ffff8881b4c47c00 R15: dffffc0000000000
FS:  00007fdd7eef96c0(0000) GS:ffff8882a922d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa511b86a00 CR3: 00000001bd318000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 hfs_bmap_alloc+0x5bd/0x650
 hfs_bnode_split+0xd4/0x1070
 hfs_brec_insert+0x3a4/0xc80
 hfs_cat_create+0x50c/0x810
 hfs_create+0x78/0xe0
 path_openat+0x133a/0x3830
 do_file_open+0x23e/0x4a0
 do_sys_openat2+0x115/0x200
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdd7df9ce59
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:00007fdd7eef9028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fdd7e215fa0 RCX: 00007fdd7df9ce59
RDX: 000000000000275a RSI: 0000200000000040 RDI: ffffffffffffff9c
RBP: 00007fdd7e032e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdd7e216038 R14: 00007fdd7e215fa0 R15: 00007ffe133c65c8
 </TASK>
