RAX: ffffffffffffffda RBX: 00007ffc77c5c040 RCX: 00007fc8ca0ec1e9
RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
RBP: 0000000000000001 R08: 00007ffc77c5bdb7 R09: 00007ffc77c5c060
R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc77c5c03c
R13: 0000000000000032 R14: 431bde82d7b634db R15: 00007ffc77c5c080
 </TASK>
hfs: new node 0 already hashed?
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5107 at fs/hfs/bnode.c:422 hfs_bnode_create+0x14c/0x530 fs/hfs/bnode.c:422
Modules linked in:
CPU: 0 PID: 5107 Comm: syz-executor291 Not tainted 6.7.0-rc4-syzkaller-00009-gbee0e7762ad2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:hfs_bnode_create+0x14c/0x530 fs/hfs/bnode.c:422
Code: d3 2c ff 45 39 fc 75 9e e8 21 d8 2c ff 4c 89 f7 e8 d9 13 29 08 e8 14 d8 2c ff 44 89 e6 48 c7 c7 c0 d7 e7 8a e8 45 b3 0f ff 90 <0f> 0b 90 e8 fc d7 2c ff 48 89 d8 48 83 c4 18 5b 5d 41 5c 41 5d 41
RSP: 0018:ffffc9000350f378 EFLAGS: 00010282
RAX: 000000000000001f RBX: ffff88823bd84f40 RCX: ffffffff81697239
RDX: 0000000000000000 RSI: ffffffff8169f6e2 RDI: 0000000000000005
RBP: ffff88801f4b0000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000001 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff88801f4b00e0 R15: 0000000000000000
FS:  000055555665b380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc8c1cb4c00 CR3: 000000001fb3b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfs_bmap_alloc+0x758/0x880 fs/hfs/btree.c:291
 hfs_btree_inc_height.isra.0+0x100/0x830 fs/hfs/brec.c:471
 hfs_brec_insert+0x81f/0xb80 fs/hfs/brec.c:148
 __hfs_ext_write_extent+0x3f6/0x520 fs/hfs/extent.c:124
 __hfs_ext_cache_extent fs/hfs/extent.c:174 [inline]
 hfs_ext_read_extent+0x805/0x9d0 fs/hfs/extent.c:202
 hfs_extend_file+0x4e0/0xb10 fs/hfs/extent.c:401
 hfs_get_block+0x17f/0x820 fs/hfs/extent.c:353
 __block_write_begin_int+0x3c0/0x1560 fs/buffer.c:2119
 __block_write_begin fs/buffer.c:2168 [inline]
 block_write_begin+0xb1/0x490 fs/buffer.c:2227
 cont_write_begin+0x530/0x730 fs/buffer.c:2582
 hfs_write_begin+0x87/0x140 fs/hfs/inode.c:58
 generic_perform_write+0x278/0x600 mm/filemap.c:3918
 __generic_file_write_iter+0x1f9/0x240 mm/filemap.c:4013
 generic_file_write_iter+0xe3/0x350 mm/filemap.c:4039
 call_write_iter include/linux/fs.h:2020 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x64f/0xdf0 fs/read_write.c:584
 ksys_write+0x12f/0x250 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fc8ca0ec1e9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc77c5c018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ffc77c5c040 RCX: 00007fc8ca0ec1e9
RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
RBP: 0000000000000001 R08: 00007ffc77c5bdb7 R09: 00007ffc77c5c060
R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc77c5c03c
R13: 0000000000000032 R14: 431bde82d7b634db R15: 00007ffc77c5c080
 </TASK>