===================================================== BUG: KMSAN: uninit-value in case_fold fs/hfsplus/unicode.c:23 [inline] BUG: KMSAN: uninit-value in hfsplus_strcasecmp+0x1ca/0x770 fs/hfsplus/unicode.c:47 case_fold fs/hfsplus/unicode.c:23 [inline] hfsplus_strcasecmp+0x1ca/0x770 fs/hfsplus/unicode.c:47 hfsplus_cat_case_cmp_key+0xde/0x190 fs/hfsplus/catalog.c:26 hfs_find_rec_by_key+0xb1/0x240 fs/hfsplus/bfind.c:100 __hfsplus_brec_find+0x26f/0x7b0 fs/hfsplus/bfind.c:135 hfsplus_brec_find+0x445/0x970 fs/hfsplus/bfind.c:195 hfsplus_brec_read+0x46/0x1a0 fs/hfsplus/bfind.c:222 hfsplus_find_cat+0xdb/0x460 fs/hfsplus/catalog.c:202 hfsplus_iget+0x740/0xaf0 fs/hfsplus/super.c:82 hfsplus_lookup+0xce4/0xf00 fs/hfsplus/dir.c:118 lookup_one_qstr_excl+0x238/0x530 fs/namei.c:1607 filename_create+0x2fc/0x6e0 fs/namei.c:3901 do_mknodat+0x129/0xb90 fs/namei.c:4046 __do_sys_mknodat fs/namei.c:4087 [inline] __se_sys_mknodat fs/namei.c:4084 [inline] __x64_sys_mknodat+0xe9/0x150 fs/namei.c:4084 x64_sys_call+0x315e/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:260 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: slab_post_alloc_hook mm/slub.c:3877 [inline] slab_alloc_node mm/slub.c:3918 [inline] __do_kmalloc_node mm/slub.c:4038 [inline] __kmalloc+0x6e4/0x1060 mm/slub.c:4052 kmalloc include/linux/slab.h:632 [inline] hfsplus_find_init+0x91/0x250 fs/hfsplus/bfind.c:21 hfsplus_iget+0x3e1/0xaf0 fs/hfsplus/super.c:80 hfsplus_lookup+0xce4/0xf00 fs/hfsplus/dir.c:118 lookup_one_qstr_excl+0x238/0x530 fs/namei.c:1607 filename_create+0x2fc/0x6e0 fs/namei.c:3901 do_mknodat+0x129/0xb90 fs/namei.c:4046 __do_sys_mknodat fs/namei.c:4087 [inline] __se_sys_mknodat fs/namei.c:4084 [inline] __x64_sys_mknodat+0xe9/0x150 fs/namei.c:4084 x64_sys_call+0x315e/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:260 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 1 PID: 5528 Comm: syz-executor.2 Not tainted 6.9.0-syzkaller-02707-g614da38e2f7a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 =====================================================