batman_adv: batadv0: adding TT local entry aa:aa:aa:aa:aa:2a to non-existent VLAN 1280
------------[ cut here ]------------
kernel BUG at fs/hfsplus/bnode.c:675!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 11847 Comm: syz.2.1047 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:hfsplus_bnode_put+0x532/0x5c0 fs/hfsplus/bnode.c:675
Code: de 81 e6 00 00 00 40 31 ff e8 ea 63 21 ff 81 e3 00 00 00 40 75 16 e8 9d 5f 21 ff 4c 8b 3c 24 e9 25 fb ff ff e8 8f 5f 21 ff 90 <0f> 0b e8 87 5f 21 ff e8 72 67 92 fe eb e3 44 89 f9 80 e1 07 80 c1
RSP: 0018:ffffc9000417ed30 EFLAGS: 00010287
RAX: ffffffff82a05011 RBX: 1ffff110065bd7e0 RCX: 0000000000080000
RDX: ffffc9000fb07000 RSI: 000000000000bcab RDI: 000000000000bcac
RBP: 0000000000000000 R08: ffff888032debf83 R09: 1ffff110065bd7f0
R10: dffffc0000000000 R11: ffffed10065bd7f1 R12: ffff888032debf80
R13: ffff888032debf00 R14: dffffc0000000000 R15: ffff888028676000
FS:  00007f7e07e726c0(0000) GS:ffff888125fb9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f589af0c000 CR3: 0000000020b62000 CR4: 00000000003526f0
DR0: ffffffffffffffff DR1: 08000000000001f8 DR2: 0000000000000003
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfsplus_bnode_find+0x678/0xd10 fs/hfsplus/bnode.c:605
 hfsplus_bmap_alloc+0xa8/0xaf0 fs/hfsplus/btree.c:390
 hfs_btree_inc_height+0xf6/0xb60 fs/hfsplus/brec.c:475
 hfsplus_brec_insert+0x12e/0xd70 fs/hfsplus/brec.c:75
 __hfsplus_ext_write_extent+0x353/0x5b0 fs/hfsplus/extents.c:107
 __hfsplus_ext_cache_extent+0x89/0xe30 fs/hfsplus/extents.c:186
 hfsplus_ext_read_extent fs/hfsplus/extents.c:218 [inline]
 hfsplus_file_extend+0x437/0x1c30 fs/hfsplus/extents.c:457
 hfsplus_get_block+0x40a/0x1600 fs/hfsplus/extents.c:245
 __block_write_begin_int+0x6b5/0x1900 fs/buffer.c:2145
 block_write_begin fs/buffer.c:2256 [inline]
 cont_write_begin+0x78c/0xb50 fs/buffer.c:2594
 hfsplus_write_begin+0x66/0xb0 fs/hfsplus/inode.c:48
 cont_expand_zero fs/buffer.c:2522 [inline]
 cont_write_begin+0x2fd/0xb50 fs/buffer.c:2584
 hfsplus_write_begin+0x66/0xb0 fs/hfsplus/inode.c:48
 generic_cont_expand_simple+0x13f/0x210 fs/buffer.c:2485
 hfsplus_setattr+0x169/0x270 fs/hfsplus/inode.c:260
 notify_change+0xc1a/0xf40 fs/attr.c:546
 do_truncate+0x1a4/0x220 fs/open.c:68
 do_ftruncate+0x4a5/0x560 fs/open.c:195
 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+0x92/0xf0 fs/open.c:210
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7e06f8f749
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:00007f7e07e72038 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 00007f7e071e6090 RCX: 00007f7e06f8f749
RDX: 0000000000000000 RSI: 0000000002007ffa RDI: 0000000000000004
RBP: 00007f7e07013f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7e071e6128 R14: 00007f7e071e6090 R15: 00007ffd84521a78
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfsplus_bnode_put+0x532/0x5c0 fs/hfsplus/bnode.c:675
Code: de 81 e6 00 00 00 40 31 ff e8 ea 63 21 ff 81 e3 00 00 00 40 75 16 e8 9d 5f 21 ff 4c 8b 3c 24 e9 25 fb ff ff e8 8f 5f 21 ff 90 <0f> 0b e8 87 5f 21 ff e8 72 67 92 fe eb e3 44 89 f9 80 e1 07 80 c1
RSP: 0018:ffffc9000417ed30 EFLAGS: 00010287
RAX: ffffffff82a05011 RBX: 1ffff110065bd7e0 RCX: 0000000000080000
RDX: ffffc9000fb07000 RSI: 000000000000bcab RDI: 000000000000bcac
RBP: 0000000000000000 R08: ffff888032debf83 R09: 1ffff110065bd7f0
R10: dffffc0000000000 R11: ffffed10065bd7f1 R12: ffff888032debf80
R13: ffff888032debf00 R14: dffffc0000000000 R15: ffff888028676000
FS:  00007f7e07e726c0(0000) GS:ffff888125eb9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe6825b6ad8 CR3: 0000000020b62000 CR4: 00000000003526f0
DR0: ffffffffffffffff DR1: 08000000000001f8 DR2: 0000000000000003
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400