loop0: detected capacity change from 0 to 1024
=======================================================
WARNING: The mand mount option has been deprecated and
         and is ignored by this kernel. Remove the mand
         option from the mount to silence this warning.
=======================================================
hfsplus: new node 0 already hashed?
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5343 at fs/hfsplus/bnode.c:630 hfsplus_bnode_create+0x461/0x4f0 fs/hfsplus/bnode.c:630
Modules linked in:
CPU: 0 UID: 0 PID: 5343 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:hfsplus_bnode_create+0x461/0x4f0 fs/hfsplus/bnode.c:630
Code: 61 8b 89 ee e8 80 8c 8b fe e9 cf fc ff ff e8 f6 75 22 ff 4c 89 ef e8 ee b8 a0 08 48 c7 c7 80 fe 61 8b 89 ee e8 60 8c 8b fe 90 <0f> 0b 90 eb b0 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c d6 fb ff ff
RSP: 0018:ffffc9000d2bed00 EFLAGS: 00010246
RAX: 0000000000000023 RBX: ffff888010dce000 RCX: 0545c2af18581100
RDX: ffffc9000ddea000 RSI: 0000000000004f37 RDI: 0000000000004f38
RBP: 0000000000000000 R08: ffffc9000d2bea27 R09: 1ffff92001a57d44
R10: dffffc0000000000 R11: fffff52001a57d45 R12: 0000000000000000
R13: ffff888010dce0e0 R14: ffff88801fd7f800 R15: dffffc0000000000
FS:  00007f96cea1e6c0(0000) GS:ffff88808d96d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fae33144000 CR3: 000000003f6d1000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 hfsplus_bmap_alloc+0x71a/0xad0 fs/hfsplus/btree.c:421
 hfs_btree_inc_height+0xf6/0xb60 fs/hfsplus/brec.c:475
 hfsplus_brec_insert+0x12e/0xd30 fs/hfsplus/brec.c:75
 __hfsplus_ext_write_extent+0x353/0x5b0 fs/hfsplus/extents.c:107
 __hfsplus_ext_cache_extent+0x89/0xe30 fs/hfsplus/extents.c:186
 hfsplus_ext_read_extent fs/hfsplus/extents.c:218 [inline]
 hfsplus_file_extend+0x437/0x1ba0 fs/hfsplus/extents.c:457
 hfsplus_get_block+0x40a/0x15d0 fs/hfsplus/extents.c:245
 get_more_blocks fs/direct-io.c:648 [inline]
 do_direct_IO fs/direct-io.c:936 [inline]
 __blockdev_direct_IO+0x16fc/0x3490 fs/direct-io.c:1243
 blockdev_direct_IO include/linux/fs.h:3508 [inline]
 hfsplus_direct_IO+0x119/0x220 fs/hfsplus/inode.c:131
 generic_file_direct_write+0x1d8/0x3e0 mm/filemap.c:4176
 __generic_file_write_iter+0x11d/0x230 mm/filemap.c:4345
 generic_file_write_iter+0x117/0x550 mm/filemap.c:4385
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x5c6/0xb30 fs/read_write.c:686
 ksys_write+0x145/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f96cdb8eec9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f96cea1e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f96cdde5fa0 RCX: 00007f96cdb8eec9
RDX: 0000000000043400 RSI: 0000200000000200 RDI: 0000000000000007
RBP: 00007f96cdc11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f96cdde6038 R14: 00007f96cdde5fa0 R15: 00007ffc06c5fcf8
 </TASK>