loop2: 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+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+0xae/0x240 fs/hfsplus/bfind.c:89
 __hfsplus_brec_find+0x271/0x840 fs/hfsplus/bfind.c:124
 hfsplus_brec_find+0x4df/0x9f0 fs/hfsplus/bfind.c:184
 hfsplus_delete_cat+0x3ff/0x13d0 fs/hfsplus/catalog.c:376
 hfsplus_rmdir+0x13c/0x310 fs/hfsplus/dir.c:425
 vfs_rmdir+0x5b6/0x800 fs/namei.c:4454
 do_rmdir+0x87b/0xf30 fs/namei.c:4509
 __do_sys_rmdir fs/namei.c:4528 [inline]
 __se_sys_rmdir fs/namei.c:4526 [inline]
 __ia32_sys_rmdir+0x70/0xa0 fs/namei.c:4526
 ia32_sys_call+0x31ce/0x42c0 arch/x86/include/generated/asm/syscalls_32.h:41
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xb0/0x110 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:
 __alloc_frozen_pages_noprof+0x689/0xf00 mm/page_alloc.c:4989
 alloc_slab_page mm/slub.c:2452 [inline]
 allocate_slab+0x19c/0x1210 mm/slub.c:2618
 new_slab mm/slub.c:2672 [inline]
 ___slab_alloc+0xfec/0x3480 mm/slub.c:3858
 __slab_alloc mm/slub.c:3948 [inline]
 __slab_alloc_node mm/slub.c:4023 [inline]
 slab_alloc_node mm/slub.c:4184 [inline]
 __do_kmalloc_node mm/slub.c:4326 [inline]
 __kmalloc_node_noprof+0xaaf/0x1300 mm/slub.c:4333
 kmalloc_array_node_noprof include/linux/slab.h:1020 [inline]
 alloc_slab_obj_exts+0xa2/0x2f0 mm/slub.c:1992
 __memcg_slab_post_alloc_hook+0xad0/0x12b0 mm/memcontrol.c:3074
 memcg_slab_post_alloc_hook mm/slub.c:2179 [inline]
 slab_post_alloc_hook mm/slub.c:4157 [inline]
 slab_alloc_node mm/slub.c:4196 [inline]
 __do_kmalloc_node mm/slub.c:4326 [inline]
 __kmalloc_node_track_caller_noprof+0xcd0/0x12f0 mm/slub.c:4346
 __kmemdup_nul mm/util.c:63 [inline]
 kstrdup+0x8a/0x2a0 mm/util.c:83
 kstrdup_const+0x5e/0x90 mm/util.c:103
 alloc_vfsmnt+0x206/0xc00 fs/namespace.c:359
 vfs_create_mount+0xb5/0x8d0 fs/namespace.c:1267
 do_new_mount_fc fs/namespace.c:3812 [inline]
 do_new_mount+0xa14/0x1610 fs/namespace.c:3883
 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
 __ia32_sys_mount+0xe2/0x150 fs/namespace.c:4409
 ia32_sys_call+0x2733/0x42c0 arch/x86/include/generated/asm/syscalls_32.h:22
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xb0/0x110 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: 1 UID: 0 PID: 5981 Comm: syz.2.3 Not tainted 6.15.0-rc7-syzkaller #0 PREEMPT(undef) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
=====================================================