------------[ cut here ]------------ WARNING: CPU: 0 PID: 6470 at fs/hfsplus/extents.c:346 hfsplus_free_extents+0x6e9/0xac0 fs/hfsplus/extents.c:346 Modules linked in: CPU: 0 PID: 6470 Comm: syz.5.532 Not tainted 5.15.186-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 34 81 4d ff 39 dd 75 20 49 83 c7 28 e8 c7 7f 4d ff 41 bc 05 00 00 00 e9 fa f9 ff ff e8 b7 7f 4d ff <0f> 0b e9 9d f9 ff ff 89 ef 89 de e8 07 81 4d ff 29 dd 73 0a e8 9e RSP: 0018:ffffc90003c4f890 EFLAGS: 00010283 RAX: ffffffff822a4359 RBX: ffff888062720020 RCX: 0000000000080000 RDX: ffffc90014315000 RSI: 0000000000026866 RDI: 0000000000026867 RBP: 000000000000014e R08: dffffc0000000000 R09: ffffed1004ade00a R10: ffffed1004ade00a R11: 1ffff11004ade009 R12: ffff888078bdc000 R13: 1ffff92000789f30 R14: 000000000000014e R15: ffff88807b78bcd8 FS: 00007fa1bec6c6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3051bff8 CR3: 000000001d148000 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_write_begin+0xd4/0xe0 fs/hfsplus/inode.c:57 generic_perform_write+0x2aa/0x530 mm/filemap.c:3785 __generic_file_write_iter+0x25f/0x4e0 mm/filemap.c:3912 generic_file_write_iter+0xa6/0x1b0 mm/filemap.c:3944 call_write_iter include/linux/fs.h:2172 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0x712/0xd00 fs/read_write.c:594 ksys_write+0x14d/0x250 fs/read_write.c:647 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: 0033:0x7fa1c0e46929 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:00007fa1bec6c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fa1c106e160 RCX: 00007fa1c0e46929 RDX: 000000000208e24b RSI: 0000200000000000 RDI: 0000000000000005 RBP: 00007fa1c0ec8b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fa1c106e160 R15: 00007ffcf9990ab8