===================================================== BUG: KMSAN: uninit-value in hfsplus_lookup+0x674/0xf70 fs/hfsplus/dir.c:83 hfsplus_lookup+0x674/0xf70 fs/hfsplus/dir.c:83 lookup_one_qstr_excl_raw+0x207/0x5b0 fs/namei.c:1689 lookup_one_qstr_excl fs/namei.c:1711 [inline] filename_create+0x2e3/0x700 fs/namei.c:4149 do_mkdirat+0x66/0xf30 fs/namei.c:4400 __do_sys_mkdirat fs/namei.c:4425 [inline] __se_sys_mkdirat fs/namei.c:4423 [inline] __x64_sys_mkdirat+0xc1/0x140 fs/namei.c:4423 x64_sys_call+0x370b/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:259 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 Uninit was created at: __alloc_frozen_pages_noprof+0x689/0xf00 mm/page_alloc.c:4982 alloc_pages_mpol+0x328/0x860 mm/mempolicy.c:2419 alloc_frozen_pages_noprof+0xf7/0x200 mm/mempolicy.c:2490 alloc_slab_page mm/slub.c:2451 [inline] allocate_slab+0x24d/0x1220 mm/slub.c:2619 new_slab mm/slub.c:2673 [inline] ___slab_alloc+0xfec/0x3480 mm/slub.c:3859 __slab_alloc mm/slub.c:3949 [inline] __slab_alloc_node mm/slub.c:4024 [inline] slab_alloc_node mm/slub.c:4185 [inline] kmem_cache_alloc_lru_noprof+0x922/0xed0 mm/slub.c:4216 hfsplus_alloc_inode+0x5a/0xd0 fs/hfsplus/super.c:627 alloc_inode+0x87/0x4a0 fs/inode.c:346 iget_locked+0x239/0x12d0 fs/inode.c:1439 hfsplus_iget+0x5c/0xb80 fs/hfsplus/super.c:65 hfsplus_lookup+0xd5f/0xf70 fs/hfsplus/dir.c:118 __lookup_slow+0x563/0x760 fs/namei.c:1817 lookup_slow+0x6a/0xd0 fs/namei.c:1834 walk_component+0x444/0x650 fs/namei.c:2138 lookup_last fs/namei.c:2639 [inline] path_lookupat+0x251/0x6b0 fs/namei.c:2663 filename_lookup+0x2bd/0x800 fs/namei.c:2692 filename_setxattr+0x7e/0xcc0 fs/xattr.c:660 path_setxattrat+0x734/0x820 fs/xattr.c:713 __do_sys_lsetxattr fs/xattr.c:754 [inline] __se_sys_lsetxattr fs/xattr.c:750 [inline] __x64_sys_lsetxattr+0x103/0x1c0 fs/xattr.c:750 x64_sys_call+0x2464/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:190 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 CPU: 1 UID: 0 PID: 8854 Comm: syz.3.629 Tainted: G W 6.16.0-rc4-syzkaller-00308-ga79a588fc176 #0 PREEMPT(undef) Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 =====================================================