loop3: detected capacity change from 0 to 1024
=====================================================
BUG: KMSAN: uninit-value in hfsplus_subfolders_dec fs/hfsplus/catalog.c:248 [inline]
BUG: KMSAN: uninit-value in hfsplus_rename_cat+0x1173/0x17e0 fs/hfsplus/catalog.c:513
 hfsplus_subfolders_dec fs/hfsplus/catalog.c:248 [inline]
 hfsplus_rename_cat+0x1173/0x17e0 fs/hfsplus/catalog.c:513
 hfsplus_rename+0x1fc/0x2f0 fs/hfsplus/dir.c:552
 vfs_rename+0x1e87/0x2460 fs/namei.c:5121
 do_renameat2+0x175e/0x1d70 fs/namei.c:5270
 __do_sys_rename fs/namei.c:5317 [inline]
 __se_sys_rename fs/namei.c:5315 [inline]
 __ia32_sys_rename+0xd7/0x140 fs/namei.c:5315
 ia32_sys_call+0x3d36/0x42c0 arch/x86/include/generated/asm/syscalls_32.h:39
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xb0/0x110 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 stored to memory at:
 hfsplus_subfolders_inc fs/hfsplus/catalog.c:232 [inline]
 hfsplus_rename_cat+0x10a9/0x17e0 fs/hfsplus/catalog.c:496
 hfsplus_rename+0x1fc/0x2f0 fs/hfsplus/dir.c:552
 vfs_rename+0x1e87/0x2460 fs/namei.c:5121
 do_renameat2+0x175e/0x1d70 fs/namei.c:5270
 __do_sys_rename fs/namei.c:5317 [inline]
 __se_sys_rename fs/namei.c:5315 [inline]
 __ia32_sys_rename+0xd7/0x140 fs/namei.c:5315
 ia32_sys_call+0x3d36/0x42c0 arch/x86/include/generated/asm/syscalls_32.h:39
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xb0/0x110 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:4993
 alloc_pages_mpol+0x328/0x860 mm/mempolicy.c:2301
 alloc_frozen_pages_noprof+0xf7/0x200 mm/mempolicy.c:2372
 alloc_slab_page mm/slub.c:2468 [inline]
 allocate_slab+0x24d/0x1210 mm/slub.c:2632
 new_slab mm/slub.c:2686 [inline]
 ___slab_alloc+0xfec/0x3480 mm/slub.c:3872
 __slab_alloc mm/slub.c:3962 [inline]
 __slab_alloc_node mm/slub.c:4037 [inline]
 slab_alloc_node mm/slub.c:4198 [inline]
 kmem_cache_alloc_lru_noprof+0x922/0xed0 mm/slub.c:4229
 hfsplus_alloc_inode+0x5a/0xd0 fs/hfsplus/super.c:627
 alloc_inode+0x87/0x4a0 fs/inode.c:346
 iget_locked+0x239/0x12d0 fs/inode.c:1439
 hfsplus_iget+0x5c/0xb80 fs/hfsplus/super.c:65
 hfsplus_btree_open+0x132/0x1c90 fs/hfsplus/btree.c:150
 hfsplus_fill_super+0x1161/0x2740 fs/hfsplus/super.c:474
 get_tree_bdev_flags+0x6e3/0x920 fs/super.c:1636
 get_tree_bdev+0x38/0x50 fs/super.c:1659
 hfsplus_get_tree+0x35/0x40 fs/hfsplus/super.c:640
 vfs_get_tree+0xb0/0x5c0 fs/super.c:1759
 do_new_mount+0x73c/0x1620 fs/namespace.c:3881
 path_mount+0x6db/0x1e90 fs/namespace.c:4208
 do_mount fs/namespace.c:4221 [inline]
 __do_sys_mount fs/namespace.c:4432 [inline]
 __se_sys_mount+0x6eb/0x7d0 fs/namespace.c:4409
 __ia32_sys_mount+0xe2/0x150 fs/namespace.c:4409
 ia32_sys_call+0x2733/0x42c0 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+0xb0/0x110 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: 23661 Comm: syz.3.8198 Tainted: G        W           6.15.0-rc3-syzkaller-00094-g02ddfb981de8 #0 PREEMPT(undef) 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025
=====================================================