------------[ cut here ]------------
WARNING: CPU: 0 PID: 10760 at fs/hfsplus/extents.c:346 hfsplus_free_extents+0x3db/0x520 fs/hfsplus/extents.c:346
Modules linked in:
CPU: 0 PID: 10760 Comm: syz-executor.3 Not tainted 6.9.0-rc7-syzkaller-00117-g448b3fe5a0ea #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:hfsplus_free_extents+0x3db/0x520 fs/hfsplus/extents.c:346
Code: 23 ff 8b 44 24 04 85 c0 0f 84 34 fe ff ff e8 9c 8b 23 ff 48 c7 c7 20 85 28 8b e8 70 5d 04 ff e9 1e fe ff ff e8 86 8b 23 ff 90 <0f> 0b 90 e9 b1 fc ff ff e8 78 8b 23 ff 8b 14 24 8b 74 24 04 48 8b
RSP: 0018:ffffc900205bf980 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff88805a4a0018 RCX: ffffc90007b61000
RDX: 0000000000040000 RSI: ffffffff826ae4aa RDI: 0000000000000001
RBP: 00000000000000f1 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 00000000212f8001
R13: 00000000000000f0 R14: ffff88805fc62000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff88802c200000(0063) knlGS:00000000f5eeab40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000002003d000 CR3: 0000000059602000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfsplus_file_truncate+0x836/0x9e0 fs/hfsplus/extents.c:591
 hfsplus_write_failed fs/hfsplus/inode.c:37 [inline]
 hfsplus_write_begin+0x117/0x150 fs/hfsplus/inode.c:51
 generic_perform_write+0x272/0x620 mm/filemap.c:3974
 __generic_file_write_iter+0x1fd/0x240 mm/filemap.c:4069
 generic_file_write_iter+0xe7/0x350 mm/filemap.c:4095
 call_write_iter include/linux/fs.h:2110 [inline]
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0x6db/0x1100 fs/read_write.c:590
 ksys_write+0x12f/0x260 fs/read_write.c:643
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0x75/0x120 arch/x86/entry/common.c:386
 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7319579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5eea5ac EFLAGS: 00000292 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 0000000020000180
RDX: 0000000000040010 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	10 06                	adc    %al,(%rsi)
   2:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
   6:	10 07                	adc    %al,(%rdi)
   8:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
   c:	10 08                	adc    %cl,(%rax)
   e:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  1e:	00 51 52             	add    %dl,0x52(%rcx)
  21:	55                   	push   %rbp
  22:	89 e5                	mov    %esp,%ebp
  24:	0f 34                	sysenter
  26:	cd 80                	int    $0x80
* 28:	5d                   	pop    %rbp <-- trapping instruction
  29:	5a                   	pop    %rdx
  2a:	59                   	pop    %rcx
  2b:	c3                   	ret
  2c:	90                   	nop
  2d:	90                   	nop
  2e:	90                   	nop
  2f:	90                   	nop
  30:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi
  37:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi