syzbot

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BUG: KMSAN: uninit-value in hfsplus_subfolders_dec fs/hfsplus/catalog.c:248 [inline]
BUG: KMSAN: uninit-value in hfsplus_rename_cat+0x10e5/0x16f0 fs/hfsplus/catalog.c:513
 hfsplus_subfolders_dec fs/hfsplus/catalog.c:248 [inline]
 hfsplus_rename_cat+0x10e5/0x16f0 fs/hfsplus/catalog.c:513
 hfsplus_rename+0x209/0x2e0 fs/hfsplus/dir.c:552
 vfs_rename+0x1d9d/0x2280 fs/namei.c:5069
 do_renameat2+0x18d0/0x1d50 fs/namei.c:5226
 __do_sys_renameat2 fs/namei.c:5260 [inline]
 __se_sys_renameat2 fs/namei.c:5257 [inline]
 __x64_sys_renameat2+0x154/0x1f0 fs/namei.c:5257
 x64_sys_call+0x204b/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:317
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
 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+0x17f6/0x1800 fs/hfsplus/catalog.c:314
 hfsplus_mknod+0x201/0x560 fs/hfsplus/dir.c:494
 hfsplus_mkdir+0x58/0x70 fs/hfsplus/dir.c:529
 vfs_mkdir+0x4a0/0x780 fs/namei.c:4313
 do_mkdirat+0x529/0x820 fs/namei.c:4336
 __do_sys_mkdirat fs/namei.c:4351 [inline]
 __se_sys_mkdirat fs/namei.c:4349 [inline]
 __x64_sys_mkdirat+0xc6/0x120 fs/namei.c:4349
 x64_sys_call+0x1fad/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:259
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
 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+0x17f6/0x1800 fs/hfsplus/catalog.c:314
 hfsplus_fill_super+0x2236/0x26e0 fs/hfsplus/super.c:561
 get_tree_bdev_flags+0x6ec/0x910 fs/super.c:1636
 get_tree_bdev+0x37/0x50 fs/super.c:1659
 hfsplus_get_tree+0x34/0x40 fs/hfsplus/super.c:640
 vfs_get_tree+0xb1/0x5a0 fs/super.c:1814
 do_new_mount+0x71f/0x15e0 fs/namespace.c:3560
 path_mount+0x742/0x1f10 fs/namespace.c:3887
 do_mount fs/namespace.c:3900 [inline]
 __do_sys_mount fs/namespace.c:4111 [inline]
 __se_sys_mount+0x71f/0x800 fs/namespace.c:4088
 __x64_sys_mount+0xe4/0x150 fs/namespace.c:4088
 x64_sys_call+0x39bf/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was created at:
 __alloc_frozen_pages_noprof+0x9a7/0xe00 mm/page_alloc.c:4763
 alloc_pages_mpol+0x4cd/0x890 mm/mempolicy.c:2270
 alloc_frozen_pages_noprof+0x1bf/0x1e0 mm/mempolicy.c:2341
 alloc_slab_page mm/slub.c:2423 [inline]
 allocate_slab+0x23a/0x1110 mm/slub.c:2587
 new_slab mm/slub.c:2640 [inline]
 ___slab_alloc+0x1287/0x3540 mm/slub.c:3826
 __slab_alloc mm/slub.c:3916 [inline]
 __slab_alloc_node mm/slub.c:3991 [inline]
 slab_alloc_node mm/slub.c:4152 [inline]
 kmem_cache_alloc_lru_noprof+0x855/0xe20 mm/slub.c:4183
 hfsplus_alloc_inode+0x5a/0xd0 fs/hfsplus/super.c:627
 alloc_inode+0x86/0x460 fs/inode.c:336
 iget_locked+0x250/0x1290 fs/inode.c:1487
 hfsplus_iget+0x59/0xae0 fs/hfsplus/super.c:65
 hfsplus_btree_open+0x13e/0x1ed0 fs/hfsplus/btree.c:150
 hfsplus_fill_super+0x1113/0x26e0 fs/hfsplus/super.c:474
 get_tree_bdev_flags+0x6ec/0x910 fs/super.c:1636
 get_tree_bdev+0x37/0x50 fs/super.c:1659
 hfsplus_get_tree+0x34/0x40 fs/hfsplus/super.c:640
 vfs_get_tree+0xb1/0x5a0 fs/super.c:1814
 do_new_mount+0x71f/0x15e0 fs/namespace.c:3560
 path_mount+0x742/0x1f10 fs/namespace.c:3887
 do_mount fs/namespace.c:3900 [inline]
 __do_sys_mount fs/namespace.c:4111 [inline]
 __se_sys_mount+0x71f/0x800 fs/namespace.c:4088
 __x64_sys_mount+0xe4/0x150 fs/namespace.c:4088
 x64_sys_call+0x39bf/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 1 UID: 0 PID: 5779 Comm: syz-executor256 Not tainted 6.14.0-rc7-syzkaller-00205-g586de92313fc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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