------------[ cut here ]------------ WARNING: CPU: 1 PID: 6537 at fs/hfsplus/extents.c:346 hfsplus_free_extents+0x6e9/0xac0 fs/hfsplus/extents.c:346 Modules linked in: CPU: 1 PID: 6537 Comm: syz.1.563 Not tainted 5.15.185-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:hfsplus_free_extents+0x6e9/0xac0 fs/hfsplus/extents.c:346 Code: 8b 1b 0f cb 89 ef 89 de e8 64 85 4d ff 39 dd 75 20 49 83 c7 28 e8 f7 83 4d ff 41 bc 05 00 00 00 e9 fa f9 ff ff e8 e7 83 4d ff <0f> 0b e9 9d f9 ff ff 89 ef 89 de e8 37 85 4d ff 29 dd 73 0a e8 ce RSP: 0018:ffffc9000155fad0 EFLAGS: 00010283 RAX: ffffffff822a3e39 RBX: ffff8880788bd820 RCX: 0000000000080000 RDX: ffffc9000e3bb000 RSI: 000000000000460f RDI: 0000000000004610 RBP: 0000000000000022 R08: dffffc0000000000 R09: ffffed1005397c0a R10: ffffed1005397c0a R11: 1ffff11005397c09 R12: ffff88807df60000 R13: 1ffff920002abf78 R14: 0000000000000022 R15: ffff888022a75e98 FS: 00007f5be16326c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000001000 CR3: 000000005a94d000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hfsplus_file_truncate+0x745/0xb40 fs/hfsplus/extents.c:592 hfsplus_setattr+0x1c0/0x280 fs/hfsplus/inode.c:267 notify_change+0xbcd/0xee0 fs/attr.c:505 do_truncate+0x197/0x220 fs/open.c:65 do_sys_ftruncate+0x31b/0x3d0 fs/open.c:193 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f5be37eb929 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:00007f5be1632038 EFLAGS: 00000246 ORIG_RAX: 000000000000004d RAX: ffffffffffffffda RBX: 00007f5be3a13080 RCX: 00007f5be37eb929 RDX: 0000000000000000 RSI: 00000000000081fd RDI: 0000000000000004 RBP: 00007f5be386db39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f5be3a13080 R15: 00007fff76feceb8