===================================================== BUG: KMSAN: uninit-value in hfsplus_lookup+0x674/0xf70 fs/hfsplus/dir.c:83 hfsplus_lookup+0x674/0xf70 fs/hfsplus/dir.c:83 __lookup_slow+0x560/0x760 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:2636 [inline] path_lookupat+0x251/0x6b0 fs/namei.c:2660 filename_lookup+0x2bd/0x800 fs/namei.c:2689 user_path_at+0x91/0x3d0 fs/namei.c:3120 ksys_umount fs/namespace.c:2164 [inline] __do_sys_umount fs/namespace.c:2172 [inline] __se_sys_umount fs/namespace.c:2170 [inline] __x64_sys_umount+0x143/0x250 fs/namespace.c:2170 x64_sys_call+0x320b/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:167 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd9/0x1b0 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:4993 alloc_pages_mpol+0x328/0x860 mm/mempolicy.c:2301 alloc_frozen_pages_noprof+0xf7/0x200 mm/mempolicy.c:2372 alloc_slab_page mm/slub.c:2468 [inline] allocate_slab+0x24d/0x1210 mm/slub.c:2632 new_slab mm/slub.c:2686 [inline] ___slab_alloc+0xfec/0x3480 mm/slub.c:3872 __slab_alloc mm/slub.c:3962 [inline] __slab_alloc_node mm/slub.c:4037 [inline] slab_alloc_node mm/slub.c:4198 [inline] kmem_cache_alloc_lru_noprof+0x922/0xed0 mm/slub.c:4229 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_btree_open+0x132/0x1c90 fs/hfsplus/btree.c:150 hfsplus_fill_super+0x1161/0x2740 fs/hfsplus/super.c:474 get_tree_bdev_flags+0x6e3/0x920 fs/super.c:1636 get_tree_bdev+0x38/0x50 fs/super.c:1659 hfsplus_get_tree+0x35/0x40 fs/hfsplus/super.c:640 vfs_get_tree+0xb0/0x5c0 fs/super.c:1759 do_new_mount+0x73c/0x1620 fs/namespace.c:3881 path_mount+0x6db/0x1e90 fs/namespace.c:4208 do_mount fs/namespace.c:4221 [inline] __do_sys_mount fs/namespace.c:4432 [inline] __se_sys_mount+0x6eb/0x7d0 fs/namespace.c:4409 __x64_sys_mount+0xe4/0x150 fs/namespace.c:4409 x64_sys_call+0xfa7/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:166 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd9/0x1b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 0 UID: 0 PID: 5791 Comm: syz-executor Not tainted 6.15.0-rc3-syzkaller-00094-g02ddfb981de8 #0 PREEMPT(undef) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025 =====================================================