loop4: detected capacity change from 0 to 1024
=====================================================
BUG: KMSAN: uninit-value in hfsplus_compose_lookup fs/hfsplus/unicode.c:108 [inline]
BUG: KMSAN: uninit-value in hfsplus_uni2asc+0x818/0x2320 fs/hfsplus/unicode.c:181
 hfsplus_compose_lookup fs/hfsplus/unicode.c:108 [inline]
 hfsplus_uni2asc+0x818/0x2320 fs/hfsplus/unicode.c:181
 hfsplus_readdir+0xcd2/0x1a70 fs/hfsplus/dir.c:207
 iterate_dir+0x2b4/0x820 fs/readdir.c:106
 __do_compat_sys_getdents fs/readdir.c:573 [inline]
 __se_compat_sys_getdents+0x16c/0x520 fs/readdir.c:558
 __ia32_compat_sys_getdents+0x93/0xd0 fs/readdir.c:558
 do_syscall_32_irqs_on arch/x86/entry/common.c:164 [inline]
 __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:230
 do_fast_syscall_32+0x37/0x70 arch/x86/entry/common.c:255
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:293
 entry_SYSENTER_compat_after_hwframe+0x70/0x7a

Uninit was created at:
 slab_post_alloc_hook+0x129/0xa70 mm/slab.h:768
 slab_alloc_node mm/slub.c:3478 [inline]
 __kmem_cache_alloc_node+0x5c9/0x970 mm/slub.c:3517
 __do_kmalloc_node mm/slab_common.c:1006 [inline]
 __kmalloc+0x121/0x3c0 mm/slab_common.c:1020
 kmalloc include/linux/slab.h:604 [inline]
 hfsplus_find_init+0x91/0x250 fs/hfsplus/bfind.c:21
 hfsplus_readdir+0x1d9/0x1a70 fs/hfsplus/dir.c:144
 iterate_dir+0x2b4/0x820 fs/readdir.c:106
 __do_compat_sys_getdents fs/readdir.c:573 [inline]
 __se_compat_sys_getdents+0x16c/0x520 fs/readdir.c:558
 __ia32_compat_sys_getdents+0x93/0xd0 fs/readdir.c:558
 do_syscall_32_irqs_on arch/x86/entry/common.c:164 [inline]
 __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:230
 do_fast_syscall_32+0x37/0x70 arch/x86/entry/common.c:255
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:293
 entry_SYSENTER_compat_after_hwframe+0x70/0x7a

CPU: 1 PID: 7905 Comm: syz-executor.4 Not tainted 6.7.0-rc4-syzkaller-00009-gbee0e7762ad2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
=====================================================