loop0: detected capacity change from 0 to 1024
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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_link+0x409/0xc30 fs/hfsplus/dir.c:323
 vfs_link+0x8e8/0xb30 fs/namei.c:4863
 do_linkat+0x4af/0x1040 fs/namei.c:4933
 __do_sys_link fs/namei.c:4967 [inline]
 __se_sys_link fs/namei.c:4965 [inline]
 __x64_sys_link+0xd7/0x140 fs/namei.c:4965
 x64_sys_call+0x3567/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:87
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0x210 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:4154 [inline]
 slab_alloc_node mm/slub.c:4197 [inline]
 __do_kmalloc_node mm/slub.c:4327 [inline]
 __kmalloc_noprof+0x95f/0x1310 mm/slub.c:4340
 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_link+0x409/0xc30 fs/hfsplus/dir.c:323
 vfs_link+0x8e8/0xb30 fs/namei.c:4863
 do_linkat+0x4af/0x1040 fs/namei.c:4933
 __do_sys_link fs/namei.c:4967 [inline]
 __se_sys_link fs/namei.c:4965 [inline]
 __x64_sys_link+0xd7/0x140 fs/namei.c:4965
 x64_sys_call+0x3567/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:87
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 1 UID: 0 PID: 6839 Comm: syz.0.190 Not tainted 6.16.0-rc4-syzkaller-00308-ga79a588fc176 #0 PREEMPT(undef) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
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