loop4: detected capacity change from 0 to 1024
=====================================================
BUG: KMSAN: uninit-value in hfsplus_cat_case_cmp_key+0xd9/0x190 fs/hfsplus/catalog.c:23
 hfsplus_cat_case_cmp_key+0xd9/0x190 fs/hfsplus/catalog.c:23
 hfs_find_rec_by_key+0xab/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+0x5b3/0x800 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]
 __x64_sys_rmdir+0x71/0xb0 fs/namei.c:4526
 x64_sys_call+0x353f/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:85
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0x1b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:4167 [inline]
 slab_alloc_node mm/slub.c:4210 [inline]
 __do_kmalloc_node mm/slub.c:4340 [inline]
 __kmalloc_noprof+0x95f/0x1310 mm/slub.c:4353
 kmalloc_noprof include/linux/slab.h:909 [inline]
 hfsplus_find_init+0x90/0x1d0 fs/hfsplus/bfind.c:21
 hfsplus_delete_cat+0xed/0x13d0 fs/hfsplus/catalog.c:340
 hfsplus_rmdir+0x13c/0x310 fs/hfsplus/dir.c:425
 vfs_rmdir+0x5b3/0x800 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]
 __x64_sys_rmdir+0x71/0xb0 fs/namei.c:4526
 x64_sys_call+0x353f/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:85
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0x1b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 1 UID: 0 PID: 8550 Comm: syz.4.628 Not tainted 6.15.0-rc3-syzkaller-00094-g02ddfb981de8 #0 PREEMPT(undef) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
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