loop0: detected capacity change from 0 to 64
hfs: new node 0 already hashed?
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3629 at fs/hfs/bnode.c:421 hfs_bnode_create+0x3d4/0x460 fs/hfs/bnode.c:420
Modules linked in:
CPU: 1 PID: 3629 Comm: syz-executor423 Not tainted 6.1.0-rc8-syzkaller-00152-g3ecc37918c80 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:hfs_bnode_create+0x3d4/0x460 fs/hfs/bnode.c:421
Code: 31 c0 e8 4b 2e 32 08 e9 5f fd ff ff e8 35 53 2c ff 4c 89 ff e8 3d 9a 3d 08 48 c7 c7 60 e2 07 8b 44 89 e6 31 c0 e8 28 2e 32 08 <0f> 0b eb b1 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 61 fc ff ff 48 89
RSP: 0018:ffffc90003a6ef90 EFLAGS: 00010246
RAX: 000000000000001f RBX: ffff888017a03b00 RCX: 3705689a48634200
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff816e5c7d R09: fffff5200074dda9
R10: fffff5200074dda9 R11: 1ffff9200074dda8 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff88807e100000 R15: ffff88807e1000e0
FS:  0000555556168300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005621d99a5628 CR3: 00000000284fb000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfs_bmap_alloc+0x598/0x620 fs/hfs/btree.c:291
 hfs_btree_inc_height+0xec/0xca0 fs/hfs/brec.c:471
 hfs_brec_insert+0x12f/0xc00 fs/hfs/brec.c:77
 __hfs_ext_write_extent+0x2a6/0x460 fs/hfs/extent.c:124
 __hfs_ext_cache_extent+0x67/0x980 fs/hfs/extent.c:174
 hfs_ext_read_extent fs/hfs/extent.c:202 [inline]
 hfs_extend_file+0x323/0x1420 fs/hfs/extent.c:401
 hfs_get_block+0x3fc/0xbb0 fs/hfs/extent.c:353
 __block_write_begin_int+0x54c/0x1a80 fs/buffer.c:1991
 __block_write_begin fs/buffer.c:2041 [inline]
 block_write_begin+0x93/0x1e0 fs/buffer.c:2102
 cont_write_begin+0x606/0x860 fs/buffer.c:2456
 hfs_write_begin+0x86/0xd0 fs/hfs/inode.c:58
 generic_perform_write+0x2e4/0x5e0 mm/filemap.c:3753
 __generic_file_write_iter+0x176/0x400 mm/filemap.c:3881
 generic_file_write_iter+0xab/0x310 mm/filemap.c:3913
 call_write_iter include/linux/fs.h:2199 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x7dc/0xc50 fs/read_write.c:584
 ksys_write+0x177/0x2a0 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f93b0a8d799
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffea7a2c418 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f93b0a8d799
RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
RBP: 00007f93b0a4d030 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000024c R11: 0000000000000246 R12: 00007f93b0a4d0c0
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>