------------[ cut here ]------------ WARNING: CPU: 1 PID: 6537 at fs/hfsplus/extents.c:346 hfsplus_free_extents+0x71c/0xb00 fs/hfsplus/extents.c:346 Modules linked in: CPU: 1 UID: 0 PID: 6537 Comm: syz.5.88 Not tainted 6.15.0-rc3-syzkaller-00019-gbc3372351d0c #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:hfsplus_free_extents+0x71c/0xb00 fs/hfsplus/extents.c:346 Code: cb 44 89 ef 89 de e8 d3 8a 1b ff 41 39 dd 75 22 49 83 c7 28 e8 05 89 1b ff 41 bc 05 00 00 00 e9 ca f9 ff ff e8 f5 88 1b ff 90 <0f> 0b 90 e9 69 f9 ff ff 44 89 ef 89 de e8 a2 8a 1b ff 41 29 dd 73 RSP: 0018:ffffc900015a79f0 EFLAGS: 00010283 RAX: ffffffff82a7336b RBX: ffff8880247ce820 RCX: 0000000000080000 RDX: ffffc9001b6f6000 RSI: 00000000000004fa RDI: 00000000000004fb RBP: ffff88802783c000 R08: ffff88805e73e04f R09: 1ffff1100bce7c09 R10: dffffc0000000000 R11: ffffed100bce7c0a R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000001 R15: ffff88805a693618 FS: 00007f1496a646c0(0000) GS:ffff8881250cf000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1496a63f98 CR3: 000000005b460000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hfsplus_file_truncate+0x86a/0xc70 fs/hfsplus/extents.c:592 hfsplus_setattr+0x1bd/0x270 fs/hfsplus/inode.c:264 notify_change+0xbca/0xe90 fs/attr.c:552 do_truncate+0x222/0x310 fs/open.c:65 do_ftruncate+0x4b8/0x5a0 fs/open.c:192 do_sys_ftruncate fs/open.c:207 [inline] __do_sys_ftruncate fs/open.c:212 [inline] __se_sys_ftruncate fs/open.c:210 [inline] __x64_sys_ftruncate+0x93/0xf0 fs/open.c:210 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1495b8e969 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:00007f1496a64038 EFLAGS: 00000246 ORIG_RAX: 000000000000004d RAX: ffffffffffffffda RBX: 00007f1495db6080 RCX: 00007f1495b8e969 RDX: 0000000000000000 RSI: 0000000002007ffc RDI: 0000000000000004 RBP: 00007f1495c10ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f1495db6080 R15: 00007ffe1e79a618