=====================================================
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+0x1f4e/0x2530 fs/namei.c:5129
 do_renameat2+0x1484/0x1a50 fs/namei.c:5278
 __do_sys_rename fs/namei.c:5325 [inline]
 __se_sys_rename fs/namei.c:5323 [inline]
 __x64_sys_rename+0xd7/0x140 fs/namei.c:5323
 x64_sys_call+0x269/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:83
 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 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+0x1f4e/0x2530 fs/namei.c:5129
 do_renameat2+0x1484/0x1a50 fs/namei.c:5278
 __do_sys_rename fs/namei.c:5325 [inline]
 __se_sys_rename fs/namei.c:5323 [inline]
 __x64_sys_rename+0xd7/0x140 fs/namei.c:5323
 x64_sys_call+0x269/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:83
 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 stored to memory at:
 hfsplus_subfolders_inc fs/hfsplus/catalog.c:232 [inline]
 hfsplus_create_cat+0x18fb/0x1910 fs/hfsplus/catalog.c:314
 hfsplus_mknod+0x208/0x560 fs/hfsplus/dir.c:494
 hfsplus_mkdir+0x5a/0x80 fs/hfsplus/dir.c:529
 vfs_mkdir+0x4e7/0x850 fs/namei.c:4366
 do_mkdirat+0x41a/0xf30 fs/namei.c:4399
 __do_sys_mkdirat fs/namei.c:4416 [inline]
 __se_sys_mkdirat fs/namei.c:4414 [inline]
 __x64_sys_mkdirat+0xc1/0x140 fs/namei.c:4414
 x64_sys_call+0x338/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:259
 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 stored to memory at:
 hfsplus_subfolders_inc fs/hfsplus/catalog.c:232 [inline]
 hfsplus_create_cat+0x18fb/0x1910 fs/hfsplus/catalog.c:314
 hfsplus_fill_super+0x211d/0x2730 fs/hfsplus/super.c:559
 get_tree_bdev_flags+0x6e6/0x920 fs/super.c:1692
 get_tree_bdev+0x38/0x50 fs/super.c:1715
 hfsplus_get_tree+0x35/0x40 fs/hfsplus/super.c:638
 vfs_get_tree+0xb3/0x5c0 fs/super.c:1815
 do_new_mount+0x733/0x1420 fs/namespace.c:3805
 path_mount+0x6db/0x1e90 fs/namespace.c:4120
 do_mount fs/namespace.c:4133 [inline]
 __do_sys_mount fs/namespace.c:4344 [inline]
 __se_sys_mount+0x6eb/0x7d0 fs/namespace.c:4321
 __x64_sys_mount+0xe4/0x150 fs/namespace.c:4321
 x64_sys_call+0x3604/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:166
 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:
 __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:2487 [inline]
 allocate_slab+0x24d/0x1220 mm/slub.c:2655
 new_slab mm/slub.c:2709 [inline]
 ___slab_alloc+0x1024/0x34e0 mm/slub.c:3891
 __slab_alloc mm/slub.c:3981 [inline]
 __slab_alloc_node mm/slub.c:4056 [inline]
 slab_alloc_node mm/slub.c:4217 [inline]
 kmem_cache_alloc_lru_noprof+0x922/0xed0 mm/slub.c:4248
 hfsplus_alloc_inode+0x5a/0xd0 fs/hfsplus/super.c:625
 alloc_inode+0x87/0x4a0 fs/inode.c:346
 new_inode+0x39/0x460 fs/inode.c:1145
 hfsplus_new_inode+0x5e/0xb70 fs/hfsplus/inode.c:384
 hfsplus_fill_super+0x2084/0x2730 fs/hfsplus/super.c:553
 get_tree_bdev_flags+0x6e6/0x920 fs/super.c:1692
 get_tree_bdev+0x38/0x50 fs/super.c:1715
 hfsplus_get_tree+0x35/0x40 fs/hfsplus/super.c:638
 vfs_get_tree+0xb3/0x5c0 fs/super.c:1815
 do_new_mount+0x733/0x1420 fs/namespace.c:3805
 path_mount+0x6db/0x1e90 fs/namespace.c:4120
 do_mount fs/namespace.c:4133 [inline]
 __do_sys_mount fs/namespace.c:4344 [inline]
 __se_sys_mount+0x6eb/0x7d0 fs/namespace.c:4321
 __x64_sys_mount+0xe4/0x150 fs/namespace.c:4321
 x64_sys_call+0x3604/0x3e20 arch/x86/include/generated/asm/syscalls_64.h:166
 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: 14944 Comm: syz.0.2415 Tainted: G        W           6.17.0-rc1-syzkaller #0 PREEMPT(none) 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
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