R10: 0000000000105405 R11: 0000000000000246 R12: 0000000000000004
R13: 00007ffe63245ff0 R14: 00007ffe63246010 R15: 0000000000000003
 </TASK>
hfs: new node 0 already hashed?
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4999 at fs/hfs/bnode.c:422 hfs_bnode_create+0x14c/0x530 fs/hfs/bnode.c:421
Modules linked in:
CPU: 0 PID: 4999 Comm: syz-executor308 Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:hfs_bnode_create+0x14c/0x530 fs/hfs/bnode.c:422
Code: 89 ef 44 89 fe e8 f4 43 32 ff 44 39 fd 75 9b e8 4a 48 32 ff 4c 89 f7 e8 52 48 c2 07 89 ee 48 c7 c7 e0 fc 66 8a e8 34 2c 16 ff <0f> 0b e8 2d 48 32 ff 4c 89 e0 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e
RSP: 0018:ffffc90003aaefb8 EFLAGS: 00010282
RAX: 000000000000001f RBX: ffff88807de78000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8168bd1c RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000001 R12: ffff88801529af00
R13: dffffc0000000000 R14: ffff88807de780e0 R15: 0000000000000000
FS:  0000555555d05300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff7f369cc8 CR3: 000000007a610000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 hfs_bmap_alloc+0x6f4/0x800 fs/hfs/btree.c:291
 hfs_btree_inc_height.isra.0+0xe6/0x950 fs/hfs/brec.c:471
 hfs_brec_insert+0x851/0xbc0 fs/hfs/brec.c:148
 __hfs_ext_write_extent+0x3ec/0x510 fs/hfs/extent.c:124
 __hfs_ext_cache_extent fs/hfs/extent.c:174 [inline]
 hfs_ext_read_extent+0x81c/0xa20 fs/hfs/extent.c:202
 hfs_extend_file+0x4b5/0xae0 fs/hfs/extent.c:401
 hfs_get_block+0x17f/0x820 fs/hfs/extent.c:353
 __block_write_begin_int+0x3bd/0x14b0 fs/buffer.c:2064
 __block_write_begin fs/buffer.c:2114 [inline]
 block_write_begin+0xb9/0x4d0 fs/buffer.c:2175
 cont_write_begin+0x534/0x740 fs/buffer.c:2534
 hfs_write_begin+0x87/0x150 fs/hfs/inode.c:58
 cont_expand_zero fs/buffer.c:2461 [inline]
 cont_write_begin+0x334/0x740 fs/buffer.c:2524
 hfs_write_begin+0x87/0x150 fs/hfs/inode.c:58
 generic_perform_write+0x256/0x570 mm/filemap.c:3929
 __generic_file_write_iter+0x2ae/0x500 mm/filemap.c:4057
 generic_file_write_iter+0xe3/0x350 mm/filemap.c:4089
 call_write_iter include/linux/fs.h:1868 [inline]
 do_iter_readv_writev+0x20b/0x3b0 fs/read_write.c:735
 do_iter_write+0x185/0x7e0 fs/read_write.c:860
 vfs_writev+0x1aa/0x670 fs/read_write.c:933
 do_pwritev+0x1b6/0x270 fs/read_write.c:1030
 __do_sys_pwritev2 fs/read_write.c:1089 [inline]
 __se_sys_pwritev2 fs/read_write.c:1080 [inline]
 __x64_sys_pwritev2+0xef/0x150 fs/read_write.c:1080
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb5403cbf39
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 17 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:00007ffe63245fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb5403cbf39
RDX: 0000000000000001 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000105405 R11: 0000000000000246 R12: 0000000000000004
R13: 00007ffe63245ff0 R14: 00007ffe63246010 R15: 0000000000000003
 </TASK>