loop6: detected capacity change from 0 to 1024
hfsplus: b-tree write err: -5, ino 3
=====================================================
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+0x274/0x840 fs/hfsplus/bfind.c:124
 hfsplus_brec_find+0x4df/0x9f0 fs/hfsplus/bfind.c:184
 hfsplus_rename_cat+0x423/0x17e0 fs/hfsplus/catalog.c:466
 hfsplus_unlink+0x361/0xd70 fs/hfsplus/dir.c:376
 vfs_unlink+0x613/0xab0 fs/namei.c:4586
 do_unlinkat+0x694/0xd80 fs/namei.c:4650
 __do_sys_unlink fs/namei.c:4696 [inline]
 __se_sys_unlink fs/namei.c:4694 [inline]
 __ia32_sys_unlink+0x70/0xa0 fs/namei.c:4694
 ia32_sys_call+0x1d40/0x4310 arch/x86/include/generated/asm/syscalls_32.h:11
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xb0/0x150 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:
 slab_post_alloc_hook mm/slub.c:4186 [inline]
 slab_alloc_node mm/slub.c:4229 [inline]
 __do_kmalloc_node mm/slub.c:4364 [inline]
 __kmalloc_noprof+0x95f/0x1310 mm/slub.c:4377
 kmalloc_noprof include/linux/slab.h:909 [inline]
 hfsplus_find_init+0x90/0x1d0 fs/hfsplus/bfind.c:21
 hfsplus_rename_cat+0x10d/0x17e0 fs/hfsplus/catalog.c:447
 hfsplus_unlink+0x361/0xd70 fs/hfsplus/dir.c:376
 vfs_unlink+0x613/0xab0 fs/namei.c:4586
 do_unlinkat+0x694/0xd80 fs/namei.c:4650
 __do_sys_unlink fs/namei.c:4696 [inline]
 __se_sys_unlink fs/namei.c:4694 [inline]
 __ia32_sys_unlink+0x70/0xa0 fs/namei.c:4694
 ia32_sys_call+0x1d40/0x4310 arch/x86/include/generated/asm/syscalls_32.h:11
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xb0/0x150 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: 0 UID: 0 PID: 14612 Comm: syz.6.3064 Not tainted 6.17.0-rc2-syzkaller #0 PREEMPT(none) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
=====================================================