syzbot

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BUG: KMSAN: uninit-value in hfs_bnode_read_u8 fs/hfs/bnode.c:54 [inline]
BUG: KMSAN: uninit-value in hfs_bnode_dump+0x421/0x4c0 fs/hfs/bnode.c:178
 hfs_bnode_read_u8 fs/hfs/bnode.c:54 [inline]
 hfs_bnode_dump+0x421/0x4c0 fs/hfs/bnode.c:178
 hfs_brec_remove+0x8d9/0xa60 fs/hfs/brec.c:225
 hfs_cat_move+0x1068/0x1390 fs/hfs/catalog.c:364
 hfs_rename+0x313/0x550 fs/hfs/dir.c:299
 vfs_rename+0x1e87/0x2460 fs/namei.c:5137
 do_renameat2+0x175e/0x1d70 fs/namei.c:5286
 __do_sys_rename fs/namei.c:5333 [inline]
 __se_sys_rename fs/namei.c:5331 [inline]
 __x64_sys_rename+0xd7/0x140 fs/namei.c:5331
 x64_sys_call+0x3553/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:83
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Local variable data.i created at:
 hfs_bnode_read_u16 fs/hfs/bnode.c:44 [inline]
 hfs_bnode_dump+0x393/0x4c0 fs/hfs/bnode.c:162
 hfs_brec_remove+0x8d9/0xa60 fs/hfs/brec.c:225

CPU: 0 UID: 0 PID: 8404 Comm: syz.2.550 Not tainted 6.16.0-rc5-syzkaller-00224-g379f604cc3dc #0 PREEMPT(none) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
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