loop8: detected capacity change from 0 to 1024
=====================================================
BUG: KMSAN: uninit-value in case_fold fs/hfsplus/unicode.c:23 [inline]
BUG: KMSAN: uninit-value in hfsplus_strcasecmp+0x486/0x770 fs/hfsplus/unicode.c:52
 case_fold fs/hfsplus/unicode.c:23 [inline]
 hfsplus_strcasecmp+0x486/0x770 fs/hfsplus/unicode.c:52
 hfsplus_cat_case_cmp_key+0xde/0x190 fs/hfsplus/catalog.c:26
 hfs_find_rec_by_key+0xb1/0x240 fs/hfsplus/bfind.c:89
 __hfsplus_brec_find+0x26f/0x7b0 fs/hfsplus/bfind.c:124
 hfsplus_brec_find+0x445/0x970 fs/hfsplus/bfind.c:184
 hfsplus_find_cat+0x372/0x460 fs/hfsplus/catalog.c:220
 hfsplus_iget+0x729/0xae0 fs/hfsplus/super.c:83
 hfsplus_fill_super+0x1552/0x26e0 fs/hfsplus/super.c:504
 get_tree_bdev_flags+0x6ec/0x910 fs/super.c:1636
 get_tree_bdev+0x37/0x50 fs/super.c:1659
 hfsplus_get_tree+0x34/0x40 fs/hfsplus/super.c:640
 vfs_get_tree+0xb1/0x5a0 fs/super.c:1814
 do_new_mount+0x71f/0x15e0 fs/namespace.c:3507
 path_mount+0x742/0x1f10 fs/namespace.c:3834
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4057 [inline]
 __se_sys_mount+0x722/0x810 fs/namespace.c:4034
 __x64_sys_mount+0xe4/0x150 fs/namespace.c:4034
 x64_sys_call+0x39bf/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was stored to memory at:
 hfsplus_cat_build_key_uni fs/hfsplus/catalog.c:77 [inline]
 hfsplus_find_cat+0x324/0x460 fs/hfsplus/catalog.c:217
 hfsplus_iget+0x729/0xae0 fs/hfsplus/super.c:83
 hfsplus_fill_super+0x1552/0x26e0 fs/hfsplus/super.c:504
 get_tree_bdev_flags+0x6ec/0x910 fs/super.c:1636
 get_tree_bdev+0x37/0x50 fs/super.c:1659
 hfsplus_get_tree+0x34/0x40 fs/hfsplus/super.c:640
 vfs_get_tree+0xb1/0x5a0 fs/super.c:1814
 do_new_mount+0x71f/0x15e0 fs/namespace.c:3507
 path_mount+0x742/0x1f10 fs/namespace.c:3834
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4057 [inline]
 __se_sys_mount+0x722/0x810 fs/namespace.c:4034
 __x64_sys_mount+0xe4/0x150 fs/namespace.c:4034
 x64_sys_call+0x39bf/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Local variable tmp created at:
 hfsplus_find_cat+0x44/0x460 fs/hfsplus/catalog.c:197
 hfsplus_iget+0x729/0xae0 fs/hfsplus/super.c:83

CPU: 1 UID: 0 PID: 23768 Comm: syz.8.5353 Tainted: G        W          6.12.0-syzkaller-01782-gbf9aa14fc523 #0
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
=====================================================