------------[ cut here ]------------
WARNING: CPU: 0 PID: 5975 at fs/hfsplus/extents.c:346 hfsplus_free_extents+0x708/0xae0 fs/hfsplus/extents.c:346
Modules linked in:
CPU: 0 UID: 0 PID: 5975 Comm: syz.0.6 Not tainted 6.13.0-rc5-syzkaller-00012-g0bc21e701a6f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:hfsplus_free_extents+0x708/0xae0 fs/hfsplus/extents.c:346
Code: cb 44 89 ef 89 de e8 c7 cb 22 ff 41 39 dd 75 22 49 83 c7 28 e8 f9 c9 22 ff 41 bc 05 00 00 00 e9 de f9 ff ff e8 e9 c9 22 ff 90 <0f> 0b 90 e9 7d f9 ff ff 44 89 ef 89 de e8 96 cb 22 ff 41 29 dd 73
RSP: 0018:ffffc900048c7730 EFLAGS: 00010287
RAX: ffffffff827ca9a7 RBX: ffff888034c35020 RCX: 0000000000080000
RDX: ffffc9000de59000 RSI: 000000000000e6bd RDI: 000000000000e6be
RBP: ffff888035440000 R08: ffff888055e9c04f R09: 1ffff1100abd3809
R10: dffffc0000000000 R11: ffffed100abd380a R12: dffffc0000000000
R13: 000000000000014e R14: 000000000000014e R15: ffff8880351e1b18
FS:  00007f00396f56c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f404ff8 CR3: 0000000033d1a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfsplus_file_truncate+0x86c/0xc70 fs/hfsplus/extents.c:592
 hfsplus_write_begin+0xa4/0xb0 fs/hfsplus/inode.c:50
 cont_expand_zero fs/buffer.c:2504 [inline]
 cont_write_begin+0x32b/0xb40 fs/buffer.c:2567
 hfsplus_write_begin+0x68/0xb0 fs/hfsplus/inode.c:46
 generic_cont_expand_simple+0x18f/0x2b0 fs/buffer.c:2468
 hfsplus_setattr+0x16d/0x270 fs/hfsplus/inode.c:258
 notify_change+0xbca/0xe90 fs/attr.c:552
 do_truncate+0x220/0x310 fs/open.c:65
 vfs_truncate+0x2e1/0x3b0 fs/open.c:111
 do_sys_truncate+0xdb/0x190 fs/open.c:134
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0038985d29
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:00007f00396f5038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007f0038b76160 RCX: 00007f0038985d29
RDX: 0000000000000000 RSI: 000000000408fff4 RDI: 0000000020000180
RBP: 00007f0038a01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f0038b76160 R15: 00007ffcec5688f8
 </TASK>