------------[ cut here ]------------
WARNING: CPU: 0 PID: 4811 at fs/hfsplus/extents.c:346 hfsplus_free_extents+0x703/0xae0
Modules linked in:
CPU: 0 PID: 4811 Comm: syz.3.130 Not tainted 6.1.131-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:hfsplus_free_extents+0x703/0xae0 fs/hfsplus/extents.c:346
Code: 0f cb 44 89 ef 89 de e8 bb cb 2b ff 41 39 dd 75 20 49 83 c7 28 e8 4d ca 2b ff 41 bc 05 00 00 00 e9 e2 f9 ff ff e8 3d ca 2b ff <0f> 0b e9 83 f9 ff ff 44 89 ef 89 de e8 8c cb 2b ff 41 29 dd 73 0a
RSP: 0018:ffffc900038a6cf0 EFLAGS: 00010293
RAX: ffffffff825edf83 RBX: ffff88801ca42820 RCX: ffff88802d5d8000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888021350048
RBP: ffff88805a6d8000 R08: dffffc0000000000 R09: ffffed100426a00a
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000015 R14: 0000000000000001 R15: ffff88805a6ca8d8
FS:  00007fb6a95de6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe1dee885bc CR3: 0000000020bc6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfsplus_file_truncate+0x5e0/0xc60 fs/hfsplus/extents.c:608
 hfsplus_write_begin+0xc2/0xd0 fs/hfsplus/inode.c:56
 generic_perform_write+0x2fc/0x5e0 mm/filemap.c:3845
 __generic_file_write_iter+0x176/0x400 mm/filemap.c:3973
 generic_file_write_iter+0xab/0x310 mm/filemap.c:4005
 __kernel_write_iter+0x2ff/0x710 fs/read_write.c:517
 dump_emit_page fs/coredump.c:881 [inline]
 dump_user_range+0x43d/0x8e0 fs/coredump.c:908
 elf_core_dump+0x3d48/0x45d0 fs/binfmt_elf.c:2313
 do_coredump+0x18b7/0x2700 fs/coredump.c:755
 get_signal+0x1428/0x17a0 kernel/signal.c:2857
 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:316
 exc_page_fault+0x1c0/0x620 arch/x86/mm/fault.c:1490
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:608
RIP: 0033:0x7fb6a978d169
Code: Unable to access opcode bytes at 0x7fb6a978d13f.
RSP: 002b:00007fb6a95ddfe8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007fb6a99a6160 RCX: 00007fb6a978d169
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fb6a980e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb6a99a6160 R15: 00007ffff861e1f8
 </TASK>