loop3: detected capacity change from 0 to 1024
=====================================================
BUG: KMSAN: uninit-value in hfsplus_lookup+0x674/0xf70 fs/hfsplus/dir.c:83
 hfsplus_lookup+0x674/0xf70 fs/hfsplus/dir.c:83
 lookup_one_qstr_excl+0x23c/0x7a0 fs/namei.c:1697
 do_renameat2+0x8ea/0x1a50 fs/namei.c:5235
 __do_sys_renameat2 fs/namei.c:5312 [inline]
 __se_sys_renameat2 fs/namei.c:5309 [inline]
 __ia32_sys_renameat2+0x15d/0x210 fs/namei.c:5309
 ia32_sys_call+0x3490/0x4310 arch/x86/include/generated/asm/syscalls_32.h:354
 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:
 __alloc_frozen_pages_noprof+0x689/0xf00 mm/page_alloc.c:5171
 alloc_pages_mpol+0x328/0x860 mm/mempolicy.c:2416
 alloc_frozen_pages_noprof+0xf7/0x200 mm/mempolicy.c:2487
 alloc_slab_page mm/slub.c:2492 [inline]
 allocate_slab+0x24d/0x1220 mm/slub.c:2660
 new_slab mm/slub.c:2714 [inline]
 ___slab_alloc+0xff3/0x3470 mm/slub.c:3901
 __slab_alloc mm/slub.c:3992 [inline]
 __slab_alloc_node mm/slub.c:4067 [inline]
 slab_alloc_node mm/slub.c:4228 [inline]
 kmem_cache_alloc_lru_noprof+0x922/0xed0 mm/slub.c:4259
 hfsplus_alloc_inode+0x5a/0xd0 fs/hfsplus/super.c:625
 alloc_inode+0x8a/0x4a0 fs/inode.c:346
 iget_locked+0x239/0x12d0 fs/inode.c:1438
 hfsplus_iget+0x5c/0xb80 fs/hfsplus/super.c:65
 hfsplus_lookup+0xd5f/0xf70 fs/hfsplus/dir.c:118
 __lookup_slow+0x563/0x760 fs/namei.c:1808
 lookup_slow+0x6a/0xd0 fs/namei.c:1825
 walk_component+0x444/0x650 fs/namei.c:2129
 lookup_last fs/namei.c:2630 [inline]
 path_lookupat+0x251/0x6b0 fs/namei.c:2654
 filename_lookup+0x2bd/0x800 fs/namei.c:2683
 user_path_at+0x91/0x3d0 fs/namei.c:3127
 do_mount fs/namespace.c:4133 [inline]
 __do_sys_mount fs/namespace.c:4347 [inline]
 __se_sys_mount+0x645/0x7d0 fs/namespace.c:4324
 __ia32_sys_mount+0xe2/0x150 fs/namespace.c:4324
 ia32_sys_call+0x2c16/0x4310 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+0xb0/0x150 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: 1 UID: 0 PID: 11649 Comm: syz.3.2682 Not tainted syzkaller #0 PREEMPT(none) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
=====================================================