WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5068 at fs/hfsplus/bnode.c:682 hfsplus_bnode_create+0x3d1/0x450 fs/hfsplus/bnode.c:681 Modules linked in: CPU: 1 PID: 5068 Comm: syz.0.16 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:hfsplus_bnode_create+0x3d1/0x450 fs/hfsplus/bnode.c:682 Code: 4d 1f 8a 89 ee e8 df 04 74 07 e9 57 fd ff ff e8 85 60 4d ff 4c 89 ef e8 7d f0 87 07 48 c7 c7 c0 4d 1f 8a 89 ee e8 bf 04 74 07 <0f> 0b eb b7 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 63 fc ff ff 4c RSP: 0018:ffffc9000328ed50 EFLAGS: 00010246 RAX: 0000000000000023 RBX: ffff88807c6c8000 RCX: a9444dad3d406500 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed10172267a8 R10: ffffed10172267a8 R11: 1ffff110172267a7 R12: 0000000000000000 R13: ffff88807c6c80e0 R14: ffff888020b88c00 R15: dffffc0000000000 FS: 00007f95c649c6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000040000000c000 CR3: 000000007baff000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hfsplus_bmap_alloc+0x594/0x640 fs/hfsplus/btree.c:414 hfs_btree_inc_height+0xf3/0xb60 fs/hfsplus/brec.c:475 hfsplus_brec_insert+0x12a/0xcc0 fs/hfsplus/brec.c:75 __hfsplus_ext_write_extent+0x353/0x5b0 fs/hfsplus/extents.c:107 __hfsplus_ext_cache_extent+0x89/0xe20 fs/hfsplus/extents.c:186 hfsplus_ext_read_extent fs/hfsplus/extents.c:218 [inline] hfsplus_file_extend+0x445/0x1950 fs/hfsplus/extents.c:459 hfsplus_get_block+0x40e/0x1530 fs/hfsplus/extents.c:245 __block_write_begin_int+0x54e/0x15a0 fs/buffer.c:2012 __block_write_begin fs/buffer.c:2062 [inline] block_write_begin fs/buffer.c:2122 [inline] cont_write_begin+0x58a/0x7b0 fs/buffer.c:2471 hfsplus_write_begin+0x92/0xe0 fs/hfsplus/inode.c:53 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] aio_write+0x513/0x720 fs/aio.c:1594 __io_submit_one fs/aio.c:-1 [inline] io_submit_one+0x6ac/0x1330 fs/aio.c:2013 __do_sys_io_submit fs/aio.c:2072 [inline] __se_sys_io_submit+0x190/0x300 fs/aio.c:2042 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: 0033:0x7f95c722b169 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:00007f95c649c038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007f95c7443fa0 RCX: 00007f95c722b169 RDX: 0000400000000540 RSI: 0000000000000008 RDI: 00007f95c741d000 RBP: 00007f95c72ac2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f95c7443fa0 R15: 00007ffea34ae9a8