===================================================== BUG: KMSAN: uninit-value in case_fold fs/hfsplus/unicode.c:23 [inline] BUG: KMSAN: uninit-value in hfsplus_strcasecmp+0x27e/0x730 fs/hfsplus/unicode.c:47 case_fold fs/hfsplus/unicode.c:23 [inline] hfsplus_strcasecmp+0x27e/0x730 fs/hfsplus/unicode.c:47 hfsplus_cat_case_cmp_key+0xb9/0x190 fs/hfsplus/catalog.c:26 hfs_find_rec_by_key+0xab/0x240 fs/hfsplus/bfind.c:89 __hfsplus_brec_find+0x274/0x840 fs/hfsplus/bfind.c:124 hfsplus_brec_find+0x4df/0x9f0 fs/hfsplus/bfind.c:184 hfsplus_rename_cat+0x423/0x17e0 fs/hfsplus/catalog.c:466 hfsplus_rename+0x1fc/0x2f0 fs/hfsplus/dir.c:552 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] __ia32_sys_rename+0xd7/0x140 fs/namei.c:5331 ia32_sys_call+0x3d36/0x42c0 arch/x86/include/generated/asm/syscalls_32.h:39 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xb0/0x150 arch/x86/entry/syscall_32.c:306 do_fast_syscall_32+0x38/0x80 arch/x86/entry/syscall_32.c:331 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/syscall_32.c:369 entry_SYSENTER_compat_after_hwframe+0x84/0x8e Uninit was created at: slab_post_alloc_hook mm/slub.c:4154 [inline] slab_alloc_node mm/slub.c:4197 [inline] __do_kmalloc_node mm/slub.c:4327 [inline] __kmalloc_noprof+0x95f/0x1310 mm/slub.c:4340 kmalloc_noprof include/linux/slab.h:909 [inline] hfsplus_find_init+0x90/0x1d0 fs/hfsplus/bfind.c:21 hfsplus_create_cat+0xe4/0x1910 fs/hfsplus/catalog.c:264 hfsplus_mknod+0x208/0x560 fs/hfsplus/dir.c:494 hfsplus_create+0x54/0x70 fs/hfsplus/dir.c:523 lookup_open fs/namei.c:3717 [inline] open_last_lookups fs/namei.c:3816 [inline] path_openat+0x2d47/0x6760 fs/namei.c:4052 do_filp_open+0x280/0x660 fs/namei.c:4082 do_sys_openat2+0x1bb/0x2f0 fs/open.c:1437 do_sys_open fs/open.c:1452 [inline] __do_sys_creat fs/open.c:1530 [inline] __se_sys_creat fs/open.c:1524 [inline] __ia32_sys_creat+0xe1/0x150 fs/open.c:1524 ia32_sys_call+0x40e2/0x42c0 arch/x86/include/generated/asm/syscalls_32.h:9 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xb0/0x150 arch/x86/entry/syscall_32.c:306 do_fast_syscall_32+0x38/0x80 arch/x86/entry/syscall_32.c:331 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/syscall_32.c:369 entry_SYSENTER_compat_after_hwframe+0x84/0x8e CPU: 0 UID: 0 PID: 13413 Comm: syz.3.2051 Not tainted 6.16.0-rc2-syzkaller-00269-g11313e2f7812 #0 PREEMPT(undef) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 =====================================================