R10: 0000000000105405 R11: 0000000000000246 R12: 0000000000000001
R13: 000000000000000b R14: 00007fda2c59bf80 R15: 00007ffcd2e59968
 </TASK>
hfs: new node 0 already hashed?
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5471 at fs/hfs/bnode.c:422 hfs_bnode_create+0x3b1/0x440 fs/hfs/bnode.c:421
Modules linked in:
CPU: 1 UID: 0 PID: 5471 Comm: syz-executor.0 Not tainted 6.11.0-rc3-syzkaller-00066-g1fb918967b56 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:hfs_bnode_create+0x3b1/0x440 fs/hfs/bnode.c:422
Code: 8b 44 89 e6 e8 a0 a2 b3 08 e9 78 fd ff ff e8 26 3a 11 ff 4c 89 ff e8 ee cb bf 08 48 c7 c7 20 ef a1 8b 44 89 e6 e8 7f a2 b3 08 <0f> 0b eb b1 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 85 fc ff ff 48 89
RSP: 0018:ffffc90003c56c98 EFLAGS: 00010246
RAX: 000000000000001f RBX: ffff88802d09c900 RCX: 2e5177653e3bec00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8173882c R09: 1ffff9200078ad34
R10: dffffc0000000000 R11: fffff5200078ad35 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff88807e516000 R15: ffff88807e5160e0
FS:  00007fda2d23c6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c371f70008 CR3: 0000000023186000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfs_bmap_alloc+0x5a2/0x640 fs/hfs/btree.c:291
 hfs_btree_inc_height+0x11a/0xd20 fs/hfs/brec.c:471
 hfs_brec_insert+0x71f/0xbd0 fs/hfs/brec.c:148
 __hfs_ext_write_extent+0x2f2/0x4f0 fs/hfs/extent.c:124
 __hfs_ext_cache_extent+0x6a/0x990 fs/hfs/extent.c:174
 hfs_ext_read_extent fs/hfs/extent.c:202 [inline]
 hfs_extend_file+0x340/0x1440 fs/hfs/extent.c:401
 hfs_get_block+0x3e0/0xb60 fs/hfs/extent.c:353
 __block_write_begin_int+0x6c5/0x1e70 fs/buffer.c:2125
 __block_write_begin fs/buffer.c:2174 [inline]
 block_write_begin+0x97/0x1e0 fs/buffer.c:2235
 cont_write_begin+0x641/0x890 fs/buffer.c:2587
 hfs_write_begin+0x86/0xd0 fs/hfs/inode.c:53
 cont_expand_zero fs/buffer.c:2514 [inline]
 cont_write_begin+0x315/0x890 fs/buffer.c:2577
 hfs_write_begin+0x86/0xd0 fs/hfs/inode.c:53
 generic_perform_write+0x399/0xe30 mm/filemap.c:4019
 generic_file_write_iter+0xab/0x310 mm/filemap.c:4147
 do_iter_readv_writev+0x5e8/0x880
 vfs_writev+0x378/0xbb0 fs/read_write.c:971
 do_pwritev fs/read_write.c:1072 [inline]
 __do_sys_pwritev2 fs/read_write.c:1131 [inline]
 __se_sys_pwritev2+0x1c6/0x2d0 fs/read_write.c:1122
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x7e/0x180 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fda2c47cb29
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fda2d23c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffda RBX: 00007fda2c59bf80 RCX: 00007fda2c47cb29
RDX: 0000000000000001 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 00007fda2d23c120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000105405 R11: 0000000000000246 R12: 0000000000000001
R13: 000000000000000b R14: 00007fda2c59bf80 R15: 00007ffcd2e59968
 </TASK>