=====================================================
BUG: KMSAN: uninit-value in memcpy_from_page include/linux/highmem.h:423 [inline]
BUG: KMSAN: uninit-value in hfsplus_bnode_read+0x328/0x360 fs/hfsplus/bnode.c:32
 memcpy_from_page include/linux/highmem.h:423 [inline]
 hfsplus_bnode_read+0x328/0x360 fs/hfsplus/bnode.c:32
 hfsplus_bnode_dump+0x43f/0x540 fs/hfsplus/bnode.c:-1
 hfsplus_brec_remove+0x8d6/0x9d0 fs/hfsplus/brec.c:229
 __hfsplus_delete_attr+0x24a/0x440 fs/hfsplus/attributes.c:299
 hfsplus_delete_attr+0x4a1/0x4f0 fs/hfsplus/attributes.c:345
 hfsplus_removexattr fs/hfsplus/xattr.c:792 [inline]
 __hfsplus_setxattr+0x759/0x3540 fs/hfsplus/xattr.c:275
 hfsplus_setxattr+0x243/0x380 fs/hfsplus/xattr.c:432
 hfsplus_user_setxattr+0x55/0x70 fs/hfsplus/xattr_user.c:30
 __vfs_removexattr+0x875/0x8f0 fs/xattr.c:518
 __vfs_removexattr_locked+0x268/0x850 fs/xattr.c:553
 vfs_removexattr+0xba/0x3c0 fs/xattr.c:575
 removexattr fs/xattr.c:1023 [inline]
 filename_removexattr fs/xattr.c:1052 [inline]
 path_removexattrat+0x6b8/0xdb0 fs/xattr.c:1088
 __do_sys_removexattr fs/xattr.c:1100 [inline]
 __se_sys_removexattr fs/xattr.c:1097 [inline]
 __x64_sys_removexattr+0x74/0xc0 fs/xattr.c:1097
 x64_sys_call+0x3325/0x3c80 arch/x86/include/generated/asm/syscalls_64.h:198
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x1e0 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:4157 [inline]
 slab_alloc_node mm/slub.c:4200 [inline]
 __do_kmalloc_node mm/slub.c:4330 [inline]
 __kmalloc_noprof+0x946/0x1260 mm/slub.c:4343
 kmalloc_noprof include/linux/slab.h:909 [inline]
 memcg_init_list_lru_one mm/list_lru.c:406 [inline]
 memcg_list_lru_alloc+0x973/0xee0 mm/list_lru.c:539
 __memcg_slab_post_alloc_hook+0x45e/0x12e0 mm/memcontrol.c:3061
 memcg_slab_post_alloc_hook mm/slub.c:2188 [inline]
 slab_post_alloc_hook mm/slub.c:4161 [inline]
 slab_alloc_node mm/slub.c:4200 [inline]
 kmem_cache_alloc_lru_noprof+0x9ec/0xe30 mm/slub.c:4219
 alloc_inode+0xd4/0x470 fs/inode.c:348
 new_inode+0x38/0x440 fs/inode.c:1145
 devpts_pty_new+0xa6/0x880 fs/devpts/inode.c:524
 ptmx_open+0x452/0x760 drivers/tty/pty.c:842
 chrdev_open+0xa24/0xb40 fs/char_dev.c:414
 do_dentry_open+0x1bdd/0x26b0 fs/open.c:956
 vfs_open+0x53/0x5b0 fs/open.c:1086
 do_open fs/namei.c:3845 [inline]
 path_openat+0x56d8/0x6280 fs/namei.c:4004
 do_filp_open+0x26b/0x610 fs/namei.c:4031
 do_sys_openat2+0x1ca/0x300 fs/open.c:1429
 do_sys_open fs/open.c:1444 [inline]
 __do_sys_openat fs/open.c:1460 [inline]
 __se_sys_openat fs/open.c:1455 [inline]
 __x64_sys_openat+0x2a1/0x310 fs/open.c:1455
 x64_sys_call+0x1fe/0x3c80 arch/x86/include/generated/asm/syscalls_64.h:258
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 1 UID: 0 PID: 8977 Comm: syz.9.810 Not tainted 6.14.0-syzkaller-13567-g0efdedb3358a #0 PREEMPT(undef) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
=====================================================