loop0: detected capacity change from 0 to 1024
hfsplus: invalid length 32517 has been corrected to 255
hfsplus: invalid length 32517 has been corrected to 255
hfsplus: new node 0 already hashed?
------------[ cut here ]------------
1
WARNING: fs/hfsplus/bnode.c:631 at hfsplus_bnode_create+0x461/0x4f0 fs/hfsplus/bnode.c:631, CPU#0: syz.0.0/5324
Modules linked in:
CPU: 0 UID: 0 PID: 5324 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 04/01/2014
RIP: 0010:hfsplus_bnode_create+0x461/0x4f0 fs/hfsplus/bnode.c:631
Code: c7 8b 89 ee e8 10 51 7e fe e9 cf fc ff ff e8 b6 26 1b ff 4c 89 ef e8 6e 49 f2 08 48 c7 c7 00 6e c7 8b 89 ee e8 f0 50 7e 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:ffffc9000d3fe880 EFLAGS: 00010246
RAX: 0000000000000023 RBX: ffff888042966000 RCX: 5d2123424480ba00
RDX: ffffc90020802000 RSI: 000000000000b28b RDI: 000000000000b28c
RBP: 0000000000000000 R08: ffffc9000d3fe607 R09: 1ffff92001a7fcc0
R10: dffffc0000000000 R11: fffff52001a7fcc1 R12: 0000000000000000
R13: ffff8880429660e0 R14: ffff88801a672100 R15: dffffc0000000000
FS:  00007fd1a71a36c0(0000) GS:ffff88808ccea000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd1a27f4ff8 CR3: 0000000041c06000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 hfsplus_bmap_alloc+0x747/0xb00 fs/hfsplus/btree.c:421
 hfs_btree_inc_height+0x10c/0xb80 fs/hfsplus/brec.c:475
 hfsplus_brec_insert+0x13f/0xd70 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+0x4af/0x1d70 fs/hfsplus/extents.c:457
 hfsplus_get_block+0x42c/0x1670 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+0x15d7/0x32f0 fs/direct-io.c:1243
 blockdev_direct_IO include/linux/fs.h:3077 [inline]
 hfsplus_direct_IO+0x119/0x220 fs/hfsplus/inode.c:131
 generic_file_direct_write+0x1db/0x3e0 mm/filemap.c:4248
 __generic_file_write_iter+0x11d/0x230 mm/filemap.c:4417
 generic_file_write_iter+0x14a/0x680 mm/filemap.c:4457
 iter_file_splice_write+0x99b/0x1100 fs/splice.c:738
 do_splice_from fs/splice.c:938 [inline]
 direct_splice_actor+0x101/0x160 fs/splice.c:1161
 splice_direct_to_actor+0x53a/0xc70 fs/splice.c:1105
 do_splice_direct_actor fs/splice.c:1204 [inline]
 do_splice_direct+0x195/0x290 fs/splice.c:1230
 do_sendfile+0x535/0x7d0 fs/read_write.c:1370
 __do_sys_sendfile64 fs/read_write.c:1431 [inline]
 __se_sys_sendfile64+0x144/0x1a0 fs/read_write.c:1417
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd1a639aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1a71a3028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fd1a6615fa0 RCX: 00007fd1a639aeb9
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000004
RBP: 00007fd1a6408c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000fffe82 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1a6616038 R14: 00007fd1a6615fa0 R15: 00007ffe05f47098
 </TASK>